Upstream changes (#23)

.github/workflows/android_dev.yml

@@ -0,0 +1,48 @@
+name: Android CI
+
+on:
+  pull_request:
+    branches: [ "dev" ]
+  push:
+    branches: [ "dev" ]
+
+env:
+  KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
+  RELEASE_SIGN_KEY_ALIAS: ${{ secrets.RELEASE_SIGN_KEY_ALIAS }}
+  RELEASE_SIGN_KEY_PASSWORD: ${{ secrets.RELEASE_SIGN_KEY_PASSWORD }}
+
+jobs:
+  build_apk_aab:
+    runs-on: ubuntu-latest
+    name: Build dev artifacts
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: gradle
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build and sign debug APKs
+        run: ./gradlew assembleDebug
+
+      - name: Build and sign release APKs
+        run: ./gradlew assembleRelease
+
+      - name: Upload dev-debug APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-dev-debug.apk
+          path: app/build/outputs/apk/amethyst/debug/app-amethyst-debug.apk
+
+      - name: Upload dev-release APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-dev-release.apk
+          path: app/build/outputs/apk/amethyst/release/app-amethyst-release.apk

.github/workflows/android_master.yml

@@ -0,0 +1,47 @@
+name: Android CI
+
+on:
+  push:
+    branches: [ "master" ]
+
+env:
+  KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
+  RELEASE_SIGN_KEY_ALIAS: ${{ secrets.RELEASE_SIGN_KEY_ALIAS }}
+  RELEASE_SIGN_KEY_PASSWORD: ${{ secrets.RELEASE_SIGN_KEY_PASSWORD }}
+
+jobs:
+  build_apk_aab:
+    runs-on: ubuntu-latest
+    name: Build full artifacts
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+          cache: gradle
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Build and sign debug APKs
+        run: ./gradlew assembleDebug
+
+      - name: Build and sign release APKs
+        run: ./gradlew assembleRelease
+
+      - name: Upload full-debug APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-full-debug.apk
+          path: app/build/outputs/apk/full/debug/app-full-debug.apk
+
+      - name: Upload full-release APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-full-release.apk
+          path: app/build/outputs/apk/full/release/app-full-release.apk

.gitignore

@@ -8,9 +8,10 @@
 /.idea/navEditor.xml
 /.idea/assetWizardSettings.xml
 .DS_Store
-/build
+build/
 /captures
 .externalNativeBuild
 .cxx
 local.properties
 .idea
+/.kotlin

README.md

@@ -1,3 +1,82 @@
+### Module Graph
+
+```mermaid
+%%{
+  init: {
+    'theme': 'base',
+    'themeVariables': {"primaryTextColor":"#fff","primaryColor":"#5a4f7c","primaryBorderColor":"#5a4f7c","lineColor":"#f5a623","tertiaryColor":"#40375c","fontSize":"12px"}
+  }
+}%%
+
+graph LR
+  subgraph :core
+    :core:database["database"]
+    :core:model["model"]
+    :core:data["data"]
+    :core:ui["ui"]
+    :core:common["common"]
+    :core:designsystem["designsystem"]
+    :core:datastore["datastore"]
+    :core:network["network"]
+  end
+  subgraph :feature
+    :feature:chatmaterials["chatmaterials"]
+    :feature:messageshistory["messageshistory"]
+    :feature:settings["settings"]
+    :feature:languagepicker["languagepicker"]
+    :feature:userbanned["userbanned"]
+    :feature:auth["auth"]
+    :feature:conversations["conversations"]
+    :feature:photoviewer["photoviewer"]
+  end
+  :core:database --> :core:model
+  :feature:chatmaterials --> :core:data
+  :feature:chatmaterials --> :core:model
+  :feature:chatmaterials --> :core:ui
+  :feature:messageshistory --> :core:data
+  :feature:messageshistory --> :core:model
+  :feature:messageshistory --> :core:ui
+  :feature:settings --> :core:data
+  :feature:settings --> :core:model
+  :feature:settings --> :core:ui
+  :feature:languagepicker --> :core:data
+  :feature:languagepicker --> :core:model
+  :feature:languagepicker --> :core:ui
+  :feature:userbanned --> :core:data
+  :feature:userbanned --> :core:model
+  :feature:userbanned --> :core:ui
+  :app --> :feature:auth
+  :app --> :feature:chatmaterials
+  :app --> :feature:conversations
+  :app --> :feature:languagepicker
+  :app --> :feature:messageshistory
+  :app --> :feature:photoviewer
+  :app --> :feature:settings
+  :app --> :feature:userbanned
+  :app --> :core:common
+  :app --> :core:ui
+  :app --> :core:designsystem
+  :app --> :core:data
+  :app --> :core:model
+  :app --> :core:datastore
+  :core:data --> :core:common
+  :core:data --> :core:model
+  :core:data --> :core:network
+  :core:data --> :core:database
+  :core:network --> :core:common
+  :core:network --> :core:model
+  :feature:auth --> :core:data
+  :feature:auth --> :core:ui
+  :core:ui --> :core:designsystem
+  :core:ui --> :core:model
+  :feature:photoviewer --> :core:data
+  :feature:photoviewer --> :core:model
+  :feature:photoviewer --> :core:ui
+  :feature:conversations --> :core:data
+  :feature:conversations --> :core:model
+  :feature:conversations --> :core:ui
+  :core:datastore --> :core:common
+```
 # fast-messenger
  
 Unofficial messenger for russian social network VKontakte

app/.gitignore

@@ -1 +1,3 @@
 /build
+/keystore/keystore.properties
+/full

app/build.gradle.kts

@@ -1,226 +1,184 @@
-@file:Suppress("UnstableApiUsage")
+import java.util.Properties
-
-import com.android.build.gradle.internal.api.BaseVariantOutputImpl
-import com.android.build.gradle.internal.cxx.configure.gradleLocalProperties
-
-val sdkPackage: String = gradleLocalProperties(rootDir).getProperty("sdkPackage", "\"\"")
-val sdkFingerprint: String = gradleLocalProperties(rootDir).getProperty("sdkFingerprint", "\"\"")
-
-val msAppCenterToken: String =
-    gradleLocalProperties(rootDir).getProperty("msAppCenterAppToken", "\"\"")
-val otaSecretCode: String = gradleLocalProperties(rootDir).getProperty("otaSecretCode", "\"\"")
-
-val majorVersion = 1
-val minorVersion = 6
-val patchVersion = 4
 
 plugins {
-    id("com.android.application")
+    alias(libs.plugins.com.android.application)
-    id("kotlin-android")
+    alias(libs.plugins.org.jetbrains.kotlin.android)
-    id("kotlin-kapt")
+    alias(libs.plugins.org.jetbrains.kotlin.plugin.parcelize)
-    id("kotlin-parcelize")
+    alias(libs.plugins.com.google.devtools.ksp)
-    id("org.jetbrains.kotlin.android")
+    alias(libs.plugins.kotlin.compose.compiler)
-    id("com.google.devtools.ksp")
+    alias(libs.plugins.kotlin.serialization)
 }
 
 android {
-    namespace = "com.meloda.fast"
+    namespace = "com.meloda.app.fast"
-
+    compileSdk = Configs.compileSdk
-    compileSdk = 34
-
-    applicationVariants.all {
-        outputs.all {
-            (this as BaseVariantOutputImpl).outputFileName =
-                "${name}-${versionName}-${versionCode}.apk"
-        }
-    }
 
     defaultConfig {
-        applicationId = "com.meloda.fast"
+        applicationId = "com.meloda.app.fast"
-        minSdk = 24
+        minSdk = Configs.minSdk
-        targetSdk = 34
+        targetSdk = Configs.targetSdk
-        versionCode = 1
+        versionCode = Configs.appCode
-        versionName = "alpha"
+        versionName = Configs.appName
 
-        javaCompileOptions {
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
-            annotationProcessorOptions {
-//                arguments += mapOf("room.schemaLocation" to "$projectDir/schemas")
     }
+
+    // TODO: 06/05/2024, Danil Nikolaev: придумать, как совместить с github actions
+//    applicationVariants.all {
+//        val variant = this
+//        variant.outputs
+//            .map { it as com.android.build.gradle.internal.api.BaseVariantOutputImpl }
+//            .forEach { output ->
+//                if (variant.buildType.name == "release") {
+//                    val outputFileName = "fastvk-v${variant.versionName}-${variant.flavorName}.apk"
+//                    output.outputFileName = outputFileName
+//                }
+//            }
+//    }
+
+    signingConfigs {
+        create("release") {
+            val keystoreProperties = Properties()
+            val keystorePropertiesFile = file("keystore/keystore.properties")
+
+            storeFile = file("keystore/keystore.jks")
+
+            if (keystorePropertiesFile.exists()) {
+                keystorePropertiesFile.inputStream().let(keystoreProperties::load)
+                storePassword = keystoreProperties.getProperty("storePassword")
+                keyAlias = keystoreProperties.getProperty("keyAlias")
+                keyPassword = keystoreProperties.getProperty("keyPassword")
+            } else {
+                storePassword = System.getenv("KEYSTORE_PASSWORD")
+                keyAlias = System.getenv("RELEASE_SIGN_KEY_ALIAS")
+                keyPassword = System.getenv("RELEASE_SIGN_KEY_PASSWORD")
+            }
+        }
+
+        create("debugSigning") {
+            initWith(getByName("release"))
         }
     }
 
     buildTypes {
-        getByName("debug") {
+        named("debug") {
-            buildConfigField("String", "sdkPackage", sdkPackage)
+            signingConfig = signingConfigs.getByName("debugSigning")
-            buildConfigField("String", "sdkFingerprint", sdkFingerprint)
+            applicationIdSuffix = ".debug"
-
-            buildConfigField("String", "msAppCenterAppToken", msAppCenterToken)
-
-            buildConfigField("String", "otaSecretCode", otaSecretCode)
-
-            versionNameSuffix = "_${getVersionName()}"
         }
-        getByName("release") {
+        named("release") {
-            isMinifyEnabled = false
+            signingConfig = signingConfigs.getByName("release")
 
-            buildConfigField("String", "sdkPackage", sdkPackage)
+            isMinifyEnabled = true
-            buildConfigField("String", "sdkFingerprint", sdkFingerprint)
+            isShrinkResources = true
-
-            buildConfigField("String", "msAppCenterAppToken", msAppCenterToken)
-
-            buildConfigField("String", "otaSecretCode", otaSecretCode)
 
             proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
             )
         }
+
+        // TODO: 15/05/2024, Danil Nikolaev: add to other modules with build convention
+        register("staging") {
+            initWith(getByName("release"))
+            applicationIdSuffix = ".staging"
+        }
     }
 
-    val flavorDimension = "version"
+    val flavorDimension = "variant"
-
     flavorDimensions += flavorDimension
 
     productFlavors {
-        create("dev") {
+        register("amethyst") {
-            resourceConfigurations += listOf("en", "xxhdpi")
-
-            dimension = flavorDimension
-            applicationIdSuffix = ".dev"
-            versionNameSuffix = "-dev"
-        }
-        create("full") {
             dimension = flavorDimension
+            isDefault = true
         }
     }
 
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_17
+        sourceCompatibility = Configs.java
-        targetCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = Configs.java
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_17.toString()
+        jvmTarget = Configs.java.toString()
         freeCompilerArgs = listOf("-opt-in=kotlin.RequiresOptIn", "-Xcontext-receivers")
     }
 
     buildFeatures {
-        viewBinding = true
         compose = true
     }
 
     composeOptions {
-        kotlinCompilerExtensionVersion = "1.4.5"
         useLiveLiterals = true
     }
-    packagingOptions {
-        jniLibs {
-            useLegacyPackaging = false
-        }
-    }
-}
 
-kapt {
+//    packaging {
-    correctErrorTypes = true
+//        resources {
+//            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+//        }
+//    }
 }
 
-fun getVersionName() = "$majorVersion.$minorVersion.$patchVersion"
-
-val currentTime get() = (System.currentTimeMillis() / 1000).toInt()
-
 dependencies {
+    implementation(projects.feature.auth)
+    implementation(projects.feature.chatmaterials)
+    implementation(projects.feature.conversations)
+    implementation(projects.feature.languagepicker)
+    implementation(projects.feature.messageshistory)
+    implementation(projects.feature.photoviewer)
+    implementation(projects.feature.settings)
+    implementation(projects.feature.friends)
+    implementation(projects.feature.profile)
 
+    implementation(projects.core.common)
+    implementation(projects.core.ui)
+    implementation(projects.core.designsystem)
+    implementation(projects.core.data)
+    implementation(projects.core.model)
+    implementation(projects.core.datastore)
 
-    // DI zone
+    // Tests zone
-    implementation("io.insert-koin:koin-android:3.4.0")
+    testImplementation(libs.junit)
-    // end of DI zone
+    // end of Tests zone
 
-    implementation("com.github.skydoves:cloudy:0.1.2")
+    // Compose-Bom zone
+    implementation(platform(libs.compose.bom))
+    implementation(libs.bundles.compose)
+    // end of Compose-Bom zone
 
-    implementation("io.coil-kt:coil-compose:2.3.0")
+    implementation(libs.accompanist.permissions)
-    implementation("io.coil-kt:coil:2.3.0")
 
-    implementation("com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2")
+    // Coil for Compose
-    implementation("com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2")
+    implementation(libs.coil.compose)
 
-    implementation("org.jetbrains.kotlin:kotlin-reflect:1.8.21")
+    androidTestImplementation(libs.compose.ui.test.junit4)
+    debugImplementation(libs.compose.ui.test.manifest)
+    debugImplementation(libs.compose.ui.tooling)
 
-    implementation("androidx.core:core-ktx:1.10.1")
+    implementation(libs.koin.android)
+    implementation(libs.koin.androidx.compose)
+    implementation(libs.koin.androidx.compose.navigation)
 
-    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1")
+    implementation(libs.coil)
-    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.1")
 
-    implementation("androidx.core:core-splashscreen:1.0.1")
+    implementation(libs.core.ktx)
 
-    implementation("androidx.appcompat:appcompat:1.6.1")
+    implementation(libs.lifecycle.viewmodel.ktx)
+    implementation(libs.lifecycle.runtime.ktx)
 
-    implementation("androidx.activity:activity-ktx:1.7.2")
+    implementation(libs.preference.ktx)
+    implementation(libs.material)
 
-    implementation("androidx.fragment:fragment-ktx:1.6.1")
+    implementation(libs.haze)
+    implementation(libs.haze.materials)
 
-    implementation("androidx.preference:preference-ktx:1.2.0")
+    implementation(libs.kotlinx.coroutines.core)
+    implementation(libs.kotlinx.coroutines.android)
 
-    implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.1.0")
+    implementation(libs.nanokt)
+    implementation(libs.nanokt.android)
+    implementation(libs.nanokt.jvm)
 
-    implementation("androidx.recyclerview:recyclerview:1.3.1")
+    implementation(libs.androidx.navigation.compose)
-
+    implementation(libs.kotlin.serialization)
-    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
-
-    implementation("com.google.accompanist:accompanist-systemuicontroller:0.27.0")
-
-    implementation("androidx.room:room-ktx:2.5.2")
-    implementation("androidx.room:room-runtime:2.5.2")
-    ksp("androidx.room:room-compiler:2.5.2")
-
-    implementation("com.github.terrakok:cicerone:7.1")
-
-    implementation("com.github.massoudss:waveformSeekBar:5.0.0")
-
-    implementation("com.github.bumptech.glide:glide:4.15.1")
-    ksp("com.github.bumptech.glide:compiler:4.15.1")
-
-    implementation("com.github.fondesa:kpermissions:3.4.0")
-    implementation("com.github.fondesa:kpermissions-coroutines:3.4.0")
-
-    implementation("com.microsoft.appcenter:appcenter-analytics:5.0.1")
-    implementation("com.microsoft.appcenter:appcenter-crashes:5.0.1")
-
-    implementation("com.squareup.retrofit2:retrofit:2.9.0")
-    implementation("com.squareup.retrofit2:converter-gson:2.9.0")
-
-    implementation("com.squareup.okhttp3:logging-interceptor:5.0.0-alpha.11")
-
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.1")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.1")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-jdk9:1.7.1")
-
-    implementation("com.github.kirich1409:viewbindingpropertydelegate-noreflection:1.5.9")
-
-    implementation("com.google.code.gson:gson:2.10.1")
-
-    implementation("com.google.guava:guava:31.1-jre")
-
-    implementation("com.google.android.material:material:1.9.0")
-
-    implementation("com.github.chuckerteam.chucker:library:3.5.2")
-
-    implementation("dev.chrisbanes.insetter:insetter:0.6.1")
-
-    // Compose zone
-    implementation(platform("androidx.compose:compose-bom:2023.04.01"))
-
-    implementation("androidx.compose.material3:material3:1.1.1")
-//    implementation("androidx.compose.material:material:1.4.3")
-    implementation("androidx.compose.ui:ui:1.4.3")
-
-    implementation("androidx.compose.ui:ui-tooling-preview:1.4.3")
-    debugImplementation("androidx.compose.ui:ui-tooling:1.4.3")
-
-    implementation("androidx.compose.material3:material3-window-size-class:1.1.1")
-
-    implementation("androidx.activity:activity-compose:1.7.2")
-    implementation("androidx.lifecycle:lifecycle-viewmodel-compose:2.6.1")
-    implementation("androidx.lifecycle:lifecycle-runtime-compose:2.6.1")
-
-    implementation("androidx.compose.runtime:runtime-saveable:1.6.0-alpha02")
-    // end of Compose zone
 }

app/schemas/com.meloda.fast.database.AccountsDatabase/2.json

@@ -0,0 +1,52 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 2,
+    "identityHash": "3ebd234270e36902d3d461af38664869",
+    "entities": [
+      {
+        "tableName": "accounts",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`userId` INTEGER NOT NULL, `accessToken` TEXT NOT NULL, `fastToken` TEXT, `trustedHash` TEXT, PRIMARY KEY(`userId`))",
+        "fields": [
+          {
+            "fieldPath": "userId",
+            "columnName": "userId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "accessToken",
+            "columnName": "accessToken",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "fastToken",
+            "columnName": "fastToken",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "trustedHash",
+            "columnName": "trustedHash",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "userId"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '3ebd234270e36902d3d461af38664869')"
+    ]
+  }
+}

app/schemas/com.meloda.fast.database.CacheDatabase/3.json

@@ -0,0 +1,424 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 3,
+    "identityHash": "6a940f719e8dd56ea5c196c152f1e536",
+    "entities": [
+      {
+        "tableName": "users",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER NOT NULL, `firstName` TEXT NOT NULL, `lastName` TEXT NOT NULL, `isOnline` INTEGER NOT NULL, `isOnlineMobile` INTEGER NOT NULL, `onlineAppId` INTEGER, `lastSeen` INTEGER, `lastSeenStatus` TEXT, `birthday` TEXT, `photo50` TEXT, `photo100` TEXT, `photo200` TEXT, PRIMARY KEY(`id`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "firstName",
+            "columnName": "firstName",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lastName",
+            "columnName": "lastName",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isOnline",
+            "columnName": "isOnline",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "isOnlineMobile",
+            "columnName": "isOnlineMobile",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "onlineAppId",
+            "columnName": "onlineAppId",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "lastSeen",
+            "columnName": "lastSeen",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "lastSeenStatus",
+            "columnName": "lastSeenStatus",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "birthday",
+            "columnName": "birthday",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "photo50",
+            "columnName": "photo50",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "photo100",
+            "columnName": "photo100",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "photo200",
+            "columnName": "photo200",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "groups",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER NOT NULL, `name` TEXT NOT NULL, `screenName` TEXT NOT NULL, `photo50` TEXT, `photo100` TEXT, `photo200` TEXT, `membersCount` INTEGER, PRIMARY KEY(`id`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "screenName",
+            "columnName": "screenName",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "photo50",
+            "columnName": "photo50",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "photo100",
+            "columnName": "photo100",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "photo200",
+            "columnName": "photo200",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "membersCount",
+            "columnName": "membersCount",
+            "affinity": "INTEGER",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "messages",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER NOT NULL, `text` TEXT, `isOut` INTEGER NOT NULL, `peerId` INTEGER NOT NULL, `fromId` INTEGER NOT NULL, `date` INTEGER NOT NULL, `randomId` INTEGER NOT NULL, `action` TEXT, `actionMemberId` INTEGER, `actionText` TEXT, `actionConversationMessageId` INTEGER, `actionMessage` TEXT, `updateTime` INTEGER, `important` INTEGER NOT NULL, `forwardIds` TEXT, `attachments` TEXT, `replyMessageId` INTEGER, `geoType` TEXT, PRIMARY KEY(`id`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "text",
+            "columnName": "text",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "isOut",
+            "columnName": "isOut",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "peerId",
+            "columnName": "peerId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "fromId",
+            "columnName": "fromId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "date",
+            "columnName": "date",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "randomId",
+            "columnName": "randomId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "action",
+            "columnName": "action",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "actionMemberId",
+            "columnName": "actionMemberId",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "actionText",
+            "columnName": "actionText",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "actionConversationMessageId",
+            "columnName": "actionConversationMessageId",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "actionMessage",
+            "columnName": "actionMessage",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "updateTime",
+            "columnName": "updateTime",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "important",
+            "columnName": "important",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "forwardIds",
+            "columnName": "forwardIds",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "attachments",
+            "columnName": "attachments",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "replyMessageId",
+            "columnName": "replyMessageId",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "geoType",
+            "columnName": "geoType",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "conversations",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER NOT NULL, `localId` INTEGER NOT NULL, `ownerId` INTEGER, `title` TEXT, `photo50` TEXT, `photo100` TEXT, `photo200` TEXT, `isPhantom` INTEGER NOT NULL, `lastConversationMessageId` INTEGER NOT NULL, `inReadCmId` INTEGER NOT NULL, `outReadCmId` INTEGER NOT NULL, `inRead` INTEGER NOT NULL, `outRead` INTEGER NOT NULL, `lastMessageId` INTEGER, `unreadCount` INTEGER NOT NULL, `membersCount` INTEGER, `canChangePin` INTEGER NOT NULL, `canChangeInfo` INTEGER NOT NULL, `majorId` INTEGER NOT NULL, `minorId` INTEGER NOT NULL, `pinnedMessageId` INTEGER, `peerType` TEXT NOT NULL, PRIMARY KEY(`id`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "localId",
+            "columnName": "localId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "ownerId",
+            "columnName": "ownerId",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "photo50",
+            "columnName": "photo50",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "photo100",
+            "columnName": "photo100",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "photo200",
+            "columnName": "photo200",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "isPhantom",
+            "columnName": "isPhantom",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lastConversationMessageId",
+            "columnName": "lastConversationMessageId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "inReadCmId",
+            "columnName": "inReadCmId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "outReadCmId",
+            "columnName": "outReadCmId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "inRead",
+            "columnName": "inRead",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "outRead",
+            "columnName": "outRead",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "lastMessageId",
+            "columnName": "lastMessageId",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "unreadCount",
+            "columnName": "unreadCount",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "membersCount",
+            "columnName": "membersCount",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "canChangePin",
+            "columnName": "canChangePin",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "canChangeInfo",
+            "columnName": "canChangeInfo",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "majorId",
+            "columnName": "majorId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "minorId",
+            "columnName": "minorId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "pinnedMessageId",
+            "columnName": "pinnedMessageId",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "peerType",
+            "columnName": "peerType",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '6a940f719e8dd56ea5c196c152f1e536')"
+    ]
+  }
+}

app/src/androidTest/kotlin/com/meloda/fast/tests/LoginSignInTest.kt

@@ -0,0 +1,46 @@
+package com.meloda.app.fast.tests
+
+import androidx.compose.ui.test.assertHasClickAction
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onNodeWithTag
+import androidx.compose.ui.test.performClick
+import org.junit.Rule
+import org.junit.Test
+
+class LoginSignInTest {
+
+    @get:Rule
+    val composeTestRule = createComposeRule()
+
+    @Test
+    fun signInButtonIsClickable() {
+        composeTestRule.setContent {
+//            LogoScreen(onAction = {})
+        }
+
+        composeTestRule.onNodeWithTag(testTag = "Sign in button").assertHasClickAction()
+    }
+
+    @Test
+    fun signInButtonTriggersSignInAction() {
+        var signInClicked = true
+
+        composeTestRule.setContent {
+//            com.meloda.fast.auth.login.presentation.LogoScreen(
+//                onAction = { action ->
+//                    when (action) {
+//                        UiAction.NextClicked -> {
+//                            signInClicked = true
+//                        }
+//
+//                        else -> Unit
+//                    }
+//                }
+//            )
+        }
+
+        composeTestRule.onNodeWithTag("Sign in button").performClick()
+
+        assert(signInClicked)
+    }
+}

app/src/debug/res/values/ic_launcher_background.xml

@@ -1,6 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
+    <color name="ic_launcher_background">#F44336</color>
-    <string name="app_name">Fast Dev</string>
-
 </resources>

app/src/debug/res/values/strings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name" translatable="false">Fast Debug</string>
+</resources>

app/src/main/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
-    xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
@@ -9,29 +8,22 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
 
     <application
-        android:name=".common.AppGlobal"
+        android:name="com.meloda.app.fast.common.AppGlobal"
-        android:allowBackup="false"
+        android:allowBackup="true"
         android:enableOnBackInvokedCallback="true"
+        android:fullBackupOnly="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:localeConfig="@xml/locales_config"
-        android:supportsRtl="false"
+        android:networkSecurityConfig="@xml/network_security_config"
-        android:testOnly="false"
+        android:supportsRtl="true"
-        android:theme="@style/AppTheme"
+        android:theme="@style/AppTheme">
-        android:usesCleartextTraffic="true"
-        tools:ignore="DataExtractionRules"
-        tools:replace="android:allowBackup"
-        tools:targetApi="tiramisu">
 
         <activity
-            android:name=".screens.main.activity.MainActivity"
+            android:name=".MainActivity"
             android:exported="true"
             android:windowSoftInputMode="adjustResize">
 
-            <meta-data
-                android:name="android.app.shortcuts"
-                android:resource="@xml/shortcuts" />
-
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -39,10 +31,8 @@
             </intent-filter>
         </activity>
 
-        <activity android:name=".screens.testing.TestActivity" />
-
         <service
-            android:name=".service.LongPollService"
+            android:name=".service.longpolling.LongPollingService"
             android:enabled="true"
             android:exported="false"
             android:foregroundServiceType="dataSync" />
@@ -53,33 +43,6 @@
             android:exported="false"
             android:foregroundServiceType="dataSync" />
 
-        <service
-            android:name=".service.LongPollQSTileService"
-            android:enabled="true"
-            android:exported="true"
-            android:icon="@drawable/ic_round_settings_24"
-            android:label="Open settings"
-            android:permission="android.permission.BIND_QUICK_SETTINGS_TILE">
-
-            <meta-data
-                android:name="android.service.quicksettings.ACTIVE_TILE"
-                android:value="true" />
-
-            <intent-filter>
-                <action android:name="android.service.quicksettings.action.QS_TILE" />
-            </intent-filter>
-        </service>
-
-        <service
-            android:name=".service.MyCustomControlService"
-            android:exported="true"
-            android:label="Fast"
-            android:permission="android.permission.BIND_CONTROLS">
-            <intent-filter>
-                <action android:name="android.service.controls.ControlsProviderService" />
-            </intent-filter>
-        </service>
-
         <service
             android:name="androidx.appcompat.app.AppLocalesMetadataHolderService"
             android:enabled="false"
@@ -89,15 +52,6 @@
                 android:value="true" />
         </service>
 
-        <receiver
-            android:name=".receiver.StopLongPollServiceReceiver"
-            android:enabled="true"
-            android:exported="false">
-            <intent-filter>
-                <action android:name="com.meloda.fast.receiver.ACTION_STOP" />
-            </intent-filter>
-        </receiver>
-
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.provider"

app/src/main/kotlin/com/meloda/app/fast/MainActivity.kt

@@ -0,0 +1,254 @@
+package com.meloda.app.fast
+
+import android.Manifest
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Build
+import android.os.Bundle
+import android.provider.Settings
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.app.AppCompatDelegate
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import androidx.compose.ui.platform.LocalContext
+import androidx.core.content.ContextCompat
+import androidx.core.os.LocaleListCompat
+import androidx.lifecycle.compose.LifecycleResumeEffect
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import com.google.accompanist.permissions.ExperimentalPermissionsApi
+import com.google.accompanist.permissions.rememberPermissionState
+import com.meloda.app.fast.common.UiText
+import com.meloda.app.fast.common.extensions.isSdkAtLeast
+import com.meloda.app.fast.datastore.SettingsController
+import com.meloda.app.fast.datastore.SettingsKeys
+import com.meloda.app.fast.datastore.UserSettings
+import com.meloda.app.fast.datastore.model.ThemeConfig
+import com.meloda.app.fast.designsystem.AppTheme
+import com.meloda.app.fast.designsystem.CheckPermission
+import com.meloda.app.fast.designsystem.LocalTheme
+import com.meloda.app.fast.designsystem.MaterialDialog
+import com.meloda.app.fast.designsystem.RequestPermission
+import com.meloda.app.fast.model.MainScreenState
+import com.meloda.app.fast.service.OnlineService
+import com.meloda.app.fast.service.longpolling.LongPollingService
+import org.koin.compose.KoinContext
+import org.koin.compose.koinInject
+import com.meloda.app.fast.designsystem.R as UiR
+
+class MainActivity : AppCompatActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+
+        createNotificationChannels()
+
+        setContent {
+            KoinContext {
+                val userSettings: UserSettings = koinInject()
+                LaunchedEffect(true) {
+                    userSettings.updateUsingDarkTheme()
+                }
+
+                val isLongPollInBackground by userSettings.longPollBackground.collectAsStateWithLifecycle()
+                toggleLongPollService(true, isLongPollInBackground)
+
+                val isOnline by userSettings.online.collectAsStateWithLifecycle()
+                LifecycleResumeEffect(isOnline) {
+                    toggleOnlineService(isOnline)
+
+                    onPauseOrDispose {
+                        toggleOnlineService(false)
+                    }
+                }
+
+                val theme by userSettings.theme.collectAsStateWithLifecycle()
+                CompositionLocalProvider(
+                    LocalTheme provides ThemeConfig(
+                        usingDarkStyle = theme.usingDarkStyle,
+                        usingDynamicColors = theme.usingDynamicColors,
+                        selectedColorScheme = theme.selectedColorScheme,
+                        usingAmoledBackground = theme.usingAmoledBackground,
+                        usingBlur = theme.usingBlur,
+                        multiline = theme.multiline
+                    )
+                ) {
+                    AppTheme(
+                        useDarkTheme = LocalTheme.current.usingDarkStyle,
+                        useDynamicColors = LocalTheme.current.usingDynamicColors,
+                        selectedColorScheme = LocalTheme.current.selectedColorScheme,
+                        useAmoledBackground = LocalTheme.current.usingAmoledBackground,
+                    ) {
+                        RootGraph()
+                    }
+                }
+            }
+        }
+    }
+
+    private fun createNotificationChannels() {
+        isSdkAtLeast(Build.VERSION_CODES.O) {
+            val dialogsName = "Dialogs"
+            val dialogsDescriptionText = "Channel for dialogs notifications"
+            val dialogsImportance = NotificationManager.IMPORTANCE_HIGH
+            val dialogsChannel =
+                NotificationChannel("simple_notifications", dialogsName, dialogsImportance).apply {
+                    description = dialogsDescriptionText
+                }
+
+            val longPollName = "Long Polling"
+            val longPollDescriptionText = "Channel for long polling service"
+            val longPollImportance = NotificationManager.IMPORTANCE_NONE
+            val longPollChannel =
+                NotificationChannel("long_polling", longPollName, longPollImportance).apply {
+                    description = longPollDescriptionText
+                }
+
+            val notificationManager: NotificationManager =
+                getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
+
+            notificationManager.createNotificationChannels(listOf(dialogsChannel, longPollChannel))
+        }
+    }
+
+    private fun toggleLongPollService(
+        enable: Boolean,
+        asForeground: Boolean = SettingsController.getBoolean(
+            SettingsKeys.KEY_FEATURES_LONG_POLL_IN_BACKGROUND,
+            SettingsKeys.DEFAULT_VALUE_FEATURES_LONG_POLL_IN_BACKGROUND
+        )
+    ) {
+        if (enable) {
+            val longPollIntent = Intent(this, LongPollingService::class.java)
+
+            if (asForeground) {
+                ContextCompat.startForegroundService(this, longPollIntent)
+            } else {
+                startService(longPollIntent)
+            }
+        } else {
+            stopService(Intent(this, LongPollingService::class.java))
+        }
+    }
+
+    private fun toggleOnlineService(enable: Boolean) {
+        if (enable) {
+            startService(Intent(this, OnlineService::class.java))
+        } else {
+            stopService(Intent(this, OnlineService::class.java))
+        }
+    }
+
+    private fun stopServices() {
+        toggleOnlineService(enable = false)
+
+        val asForeground = SettingsController.getBoolean(
+            SettingsKeys.KEY_FEATURES_LONG_POLL_IN_BACKGROUND,
+            SettingsKeys.DEFAULT_VALUE_FEATURES_LONG_POLL_IN_BACKGROUND
+        )
+
+        if (!asForeground) {
+            toggleLongPollService(enable = false)
+        }
+    }
+
+    private fun setNewLanguage(newLanguage: String) {
+        val appLocales = AppCompatDelegate.getApplicationLocales()
+        if (newLanguage.isEmpty()) {
+            if (!appLocales.isEmpty) {
+                AppCompatDelegate.setApplicationLocales(LocaleListCompat.getEmptyLocaleList())
+            }
+        } else {
+            if (!appLocales.toLanguageTags().startsWith(newLanguage)) {
+                val newLocale = LocaleListCompat.forLanguageTags(newLanguage)
+                AppCompatDelegate.setApplicationLocales(newLocale)
+            }
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        stopServices()
+    }
+}
+
+@OptIn(ExperimentalPermissionsApi::class)
+@Composable
+fun NotificationsPermissionChecker(
+    screenState: MainScreenState,
+    viewModel: MainViewModel
+) {
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) return
+
+    val permission =
+        rememberPermissionState(permission = Manifest.permission.POST_NOTIFICATIONS)
+
+    if (screenState.isNeedToOpenAppPermissions) {
+        viewModel.onAppPermissionsOpened()
+
+        LocalContext.current.apply {
+            startActivity(
+                Intent(
+                    Settings.ACTION_APPLICATION_DETAILS_SETTINGS,
+                    Uri.fromParts("package", this.packageName, null)
+                )
+            )
+        }
+    }
+
+    if (screenState.isNeedToRequestNotifications) {
+        RequestPermission(permission = permission)
+    }
+
+    val isNeedToCheckNotificationsPermission by remember {
+        derivedStateOf {
+            (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU &&
+                    SettingsController.getBoolean(
+                        SettingsKeys.KEY_FEATURES_LONG_POLL_IN_BACKGROUND,
+                        SettingsKeys.DEFAULT_VALUE_FEATURES_LONG_POLL_IN_BACKGROUND
+                    ))
+        }
+    }
+
+    if (isNeedToCheckNotificationsPermission) {
+        CheckPermission(
+            showRationale = {
+                MaterialDialog(
+                    title = UiText.Resource(UiR.string.warning),
+                    text = UiText.Simple("The application will not be able to work properly without permission to send notifications."),
+                    confirmText = UiText.Simple("Grant"),
+                    confirmAction = {
+                        viewModel.onRequestNotificationsPermissionClicked(true)
+                    },
+                    cancelText = UiText.Resource(UiR.string.cancel),
+                    cancelAction = viewModel::onNotificationsAlertNegativeClicked,
+                    onDismissAction = viewModel::onNotificationsAlertNegativeClicked,
+                    buttonsInvokeDismiss = false
+                )
+            },
+            onDenied = {
+                MaterialDialog(
+                    title = UiText.Resource(UiR.string.warning),
+                    text = UiText.Simple("The application needs permission to send notifications to update messages and other information."),
+                    confirmText = UiText.Simple("Grant"),
+                    confirmAction = {
+                        viewModel.onRequestNotificationsPermissionClicked(false)
+                    },
+                    cancelText = UiText.Resource(UiR.string.cancel),
+                    onDismissAction = {},
+                    buttonsInvokeDismiss = false
+                )
+            },
+            permission = permission
+        )
+    }
+}

app/src/main/kotlin/com/meloda/app/fast/MainGraph.kt

@@ -0,0 +1,196 @@
+package com.meloda.app.fast
+
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.animation.slideIn
+import androidx.compose.animation.slideOut
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.rounded.Settings
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.IntOffset
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.navigation
+import androidx.navigation.compose.rememberNavController
+import com.meloda.app.fast.conversations.navigation.Conversations
+import com.meloda.app.fast.conversations.navigation.conversationsRoute
+import com.meloda.app.fast.friends.navigation.Friends
+import com.meloda.app.fast.friends.navigation.friendsRoute
+import com.meloda.app.fast.model.BaseError
+import kotlinx.serialization.Serializable
+import com.meloda.app.fast.designsystem.R as UiR
+
+@Serializable
+object MainGraph
+
+@Serializable
+object Main
+
+@Serializable
+object Profile
+
+data class BottomNavigationItem(
+    val titleResId: Int,
+    val selectedIconResId: Int,
+    val unselectedIconResId: Int,
+    val route: Any,
+)
+
+@OptIn(ExperimentalMaterial3Api::class)
+fun NavGraphBuilder.mainScreen(
+    onError: (BaseError) -> Unit,
+    onNavigateToSettings: () -> Unit,
+    onNavigateToMessagesHistory: (conversationId: Int) -> Unit,
+) {
+    val items = listOf(
+        BottomNavigationItem(
+            titleResId = UiR.string.title_friends,
+            selectedIconResId = UiR.drawable.baseline_people_alt_24,
+            unselectedIconResId = UiR.drawable.outline_people_alt_24,
+            route = Friends,
+        ),
+        BottomNavigationItem(
+            titleResId = UiR.string.title_conversations,
+            selectedIconResId = UiR.drawable.baseline_chat_24,
+            unselectedIconResId = UiR.drawable.outline_chat_24,
+            route = Conversations
+        ),
+        BottomNavigationItem(
+            titleResId = UiR.string.title_profile,
+            selectedIconResId = UiR.drawable.baseline_account_circle_24,
+            unselectedIconResId = UiR.drawable.outline_account_circle_24,
+            route = Profile
+        )
+    )
+    val routes = items.map(BottomNavigationItem::route)
+
+    composable<Main> {
+        val navController = rememberNavController()
+
+        var selectedItemIndex by rememberSaveable {
+            mutableIntStateOf(1)
+        }
+
+        var isBottomBarVisible by rememberSaveable {
+            mutableStateOf(true)
+        }
+
+        Scaffold(
+            bottomBar = {
+                AnimatedVisibility(
+                    visible = isBottomBarVisible,
+                    enter = slideIn { IntOffset(0, 400) },
+                    exit = slideOut { IntOffset(0, 400) }
+                ) {
+                    NavigationBar {
+                        items.forEachIndexed { index, item ->
+                            NavigationBarItem(
+                                selected = selectedItemIndex == index,
+                                onClick = {
+                                    if (selectedItemIndex != index) {
+                                        val currentRoute = routes[selectedItemIndex]
+
+                                        selectedItemIndex = index
+                                        navController.navigate(item.route) {
+                                            popUpTo(route = currentRoute) {
+                                                inclusive = true
+                                            }
+                                        }
+                                    }
+                                },
+                                icon = {
+                                    Icon(
+                                        painter = painterResource(
+                                            id = if (selectedItemIndex == index) item.selectedIconResId
+                                            else item.unselectedIconResId
+                                        ),
+                                        contentDescription = null
+                                    )
+                                },
+                                alwaysShowLabel = false
+                            )
+                        }
+                    }
+                }
+            }
+        ) { padding ->
+            Box(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .padding(bottom = padding.calculateBottomPadding())
+            ) {
+                NavHost(
+                    navController = navController,
+                    startDestination = MainGraph,
+                    enterTransition = { fadeIn(animationSpec = tween(200)) },
+                    exitTransition = { fadeOut(animationSpec = tween(200)) }
+                ) {
+                    navigation<MainGraph>(startDestination = Conversations) {
+                        friendsRoute(
+                            onError = onError,
+                            navController = navController
+                        )
+                        conversationsRoute(
+                            onError = onError,
+                            onNavigateToMessagesHistory = onNavigateToMessagesHistory,
+                            navController = navController,
+                            onListScrollingUp = { isScrolling ->
+//                                isBottomBarVisible = isScrolling
+                            }
+                        )
+
+                        composable<Profile> {
+                            Scaffold(
+                                topBar = {
+                                    TopAppBar(
+                                        title = {
+                                            Text(text = stringResource(id = UiR.string.title_profile))
+                                        },
+                                        actions = {
+                                            IconButton(onClick = onNavigateToSettings) {
+                                                Icon(
+                                                    imageVector = Icons.Rounded.Settings,
+                                                    contentDescription = null
+                                                )
+                                            }
+                                        }
+                                    )
+                                }
+                            ) { padding ->
+                                Column(
+                                    modifier = Modifier
+                                        .fillMaxSize()
+                                        .padding(padding)
+                                ) {
+
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/src/main/kotlin/com/meloda/app/fast/MainViewModel.kt

@@ -0,0 +1,147 @@
+package com.meloda.app.fast
+
+import android.util.Log
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.meloda.app.fast.common.UserConfig
+import com.meloda.app.fast.common.extensions.setValue
+import com.meloda.app.fast.common.extensions.updateValue
+import com.meloda.app.fast.data.db.AccountsRepository
+import com.meloda.app.fast.datastore.SettingsController
+import com.meloda.app.fast.datastore.SettingsKeys
+import com.meloda.app.fast.datastore.UserSettings
+import com.meloda.app.fast.model.BaseError
+import com.meloda.app.fast.model.LongPollState
+import com.meloda.app.fast.model.MainScreenState
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+
+interface MainViewModel {
+
+    val screenState: StateFlow<MainScreenState>
+
+    val longPollState: StateFlow<LongPollState>
+    val startOnlineService: StateFlow<Boolean>
+
+    fun useDynamicColorsChanged(use: Boolean)
+
+    fun useDarkThemeChanged(use: Boolean)
+
+    fun onRequestNotificationsPermissionClicked(fromRationale: Boolean)
+    fun onNotificationsAlertNegativeClicked()
+
+    fun onNotificationsRequested()
+
+    fun onAppPermissionsOpened()
+
+    fun onError(error: BaseError)
+
+    fun onAuthOpened()
+}
+
+class MainViewModelImpl(
+    private val accountsRepository: AccountsRepository,
+    private val userSettings: UserSettings
+) : MainViewModel, ViewModel() {
+
+    init {
+        loadAccounts()
+    }
+
+    override val screenState = MutableStateFlow(MainScreenState.EMPTY)
+
+    override val longPollState = MutableStateFlow(
+        if (SettingsController.getBoolean(
+                SettingsKeys.KEY_FEATURES_LONG_POLL_IN_BACKGROUND,
+                SettingsKeys.DEFAULT_VALUE_FEATURES_LONG_POLL_IN_BACKGROUND
+            )
+        ) {
+            LongPollState.ForegroundService
+        } else {
+            LongPollState.DefaultService
+        }
+    )
+    override val startOnlineService = MutableStateFlow(
+        SettingsController.getBoolean(
+            SettingsKeys.KEY_VISIBILITY_SEND_ONLINE_STATUS,
+            SettingsKeys.DEFAULT_VALUE_KEY_VISIBILITY_SEND_ONLINE_STATUS
+        )
+    )
+
+    override fun useDynamicColorsChanged(use: Boolean) {
+        screenState.updateValue(screenState.value.copy(useDynamicColors = use))
+    }
+
+    override fun useDarkThemeChanged(use: Boolean) {
+        screenState.updateValue(screenState.value.copy(useDarkTheme = use))
+    }
+
+    override fun onRequestNotificationsPermissionClicked(fromRationale: Boolean) {
+        screenState.setValue { old ->
+            if (fromRationale) {
+                old.copy(isNeedToOpenAppPermissions = true)
+            } else {
+                old.copy(isNeedToRequestNotifications = true)
+            }
+        }
+    }
+
+    override fun onNotificationsAlertNegativeClicked() {
+        SettingsController.edit {
+            putBoolean(
+                SettingsKeys.KEY_FEATURES_LONG_POLL_IN_BACKGROUND,
+                false
+            )
+        }
+        userSettings.setLongPollBackground(false)
+    }
+
+    override fun onNotificationsRequested() {
+        screenState.setValue { old -> old.copy(isNeedToRequestNotifications = false) }
+    }
+
+    override fun onAppPermissionsOpened() {
+        screenState.setValue { old -> old.copy(isNeedToOpenAppPermissions = false) }
+    }
+
+    override fun onError(error: BaseError) {
+        when (error) {
+            BaseError.SessionExpired -> {
+                screenState.setValue { old -> old.copy(isNeedToOpenAuth = true) }
+            }
+        }
+    }
+
+    override fun onAuthOpened() {
+        screenState.setValue { old -> old.copy(isNeedToOpenAuth = false) }
+    }
+
+    private fun loadAccounts() {
+        viewModelScope.launch(Dispatchers.IO) {
+            val accounts = accountsRepository.getAccounts()
+
+            Log.d("MainViewModel", "initUserConfig: accounts: $accounts")
+
+            if (accounts.isNotEmpty()) {
+                val currentAccount = accounts.find { it.userId == UserConfig.currentUserId }
+                if (currentAccount != null) {
+                    UserConfig.apply {
+                        this.userId = currentAccount.userId
+                        this.accessToken = currentAccount.accessToken
+                        this.fastToken = currentAccount.fastToken
+                        this.trustedHash = currentAccount.trustedHash
+                    }
+                }
+            }
+
+            screenState.setValue { old ->
+                old.copy(
+                    accounts = accounts,
+                    accountsLoaded = true
+                )
+            }
+        }
+    }
+}

app/src/main/kotlin/com/meloda/app/fast/RootGraph.kt

@@ -0,0 +1,92 @@
+package com.meloda.app.fast
+
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import androidx.navigation.NavController
+import androidx.navigation.NavHostController
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.rememberNavController
+import com.meloda.app.fast.auth.AuthGraph
+import com.meloda.app.fast.auth.authNavGraph
+import com.meloda.app.fast.auth.navigateToAuth
+import com.meloda.app.fast.chatmaterials.navigation.chatMaterialsRoute
+import com.meloda.app.fast.chatmaterials.navigation.navigateToChatMaterials
+import com.meloda.app.fast.common.UserConfig
+import com.meloda.app.fast.languagepicker.navigation.languagePickerRoute
+import com.meloda.app.fast.languagepicker.navigation.navigateToLanguagePicker
+import com.meloda.app.fast.messageshistory.navigation.messagesHistoryRoute
+import com.meloda.app.fast.messageshistory.navigation.navigateToMessagesHistory
+import com.meloda.app.fast.settings.presentation.navigateToSettings
+import com.meloda.app.fast.settings.presentation.settingsRoute
+import org.koin.androidx.compose.koinViewModel
+
+@Composable
+fun RootGraph(navController: NavHostController = rememberNavController()) {
+    val viewModel: MainViewModel = koinViewModel<MainViewModelImpl>()
+    val screenState by viewModel.screenState.collectAsStateWithLifecycle()
+
+    if (screenState.isNeedToOpenAuth) {
+        viewModel.onAuthOpened()
+        navController.navigateToAuth(clearBackStack = true)
+    }
+
+    if (screenState.accountsLoaded) {
+        val isNeedToShowConversations by remember {
+            derivedStateOf { screenState.accounts.isNotEmpty() && UserConfig.isLoggedIn() }
+        }
+
+        NavHost(
+            navController = navController,
+            startDestination = if (isNeedToShowConversations) Main else AuthGraph,
+            enterTransition = { fadeIn(animationSpec = tween(200)) },
+            exitTransition = { fadeOut(animationSpec = tween(200)) }
+        ) {
+            authNavGraph(
+                onError = viewModel::onError,
+                onNavigateToMain = navController::navigateToMain,
+                navController = navController
+            )
+            mainScreen(
+                onError = viewModel::onError,
+                onNavigateToSettings = navController::navigateToSettings,
+                onNavigateToMessagesHistory = navController::navigateToMessagesHistory
+            )
+
+            messagesHistoryRoute(
+                onError = viewModel::onError,
+                onBack = navController::navigateUp,
+                onNavigateToChatAttachments = navController::navigateToChatMaterials
+            )
+            chatMaterialsRoute(
+                onBack = navController::navigateUp
+            )
+
+            settingsRoute(
+                onError = viewModel::onError,
+                onBack = navController::navigateUp,
+                onNavigateToAuth = { navController.navigateToAuth(true) },
+                onNavigateToLanguagePicker = navController::navigateToLanguagePicker
+            )
+            languagePickerRoute(onBack = navController::navigateUp)
+        }
+    }
+
+    NotificationsPermissionChecker(
+        screenState = screenState,
+        viewModel = viewModel
+    )
+}
+
+fun NavController.navigateToMain() {
+    this.navigate(Main) {
+        popUpTo(0) {
+            inclusive = true
+        }
+    }
+}

app/src/main/kotlin/com/meloda/app/fast/common/AppGlobal.kt

@@ -0,0 +1,35 @@
+package com.meloda.app.fast.common
+
+import android.app.Application
+import androidx.preference.PreferenceManager
+import coil.ImageLoader
+import coil.ImageLoaderFactory
+import com.meloda.app.fast.common.di.applicationModule
+import com.meloda.app.fast.datastore.SettingsController
+import org.koin.android.ext.android.get
+import org.koin.android.ext.koin.androidContext
+import org.koin.android.ext.koin.androidLogger
+import org.koin.core.context.GlobalContext.startKoin
+
+class AppGlobal : Application(), ImageLoaderFactory {
+
+    override fun onCreate() {
+        super.onCreate()
+
+        val preferences = PreferenceManager.getDefaultSharedPreferences(this)
+        SettingsController.init(preferences)
+        UserConfig.init(preferences)
+
+        initKoin()
+    }
+
+    private fun initKoin() {
+        startKoin {
+            androidLogger()
+            androidContext(this@AppGlobal)
+            modules(applicationModule)
+        }
+    }
+
+    override fun newImageLoader(): ImageLoader = get()
+}

app/src/main/kotlin/com/meloda/app/fast/common/di/ApplicationModule.kt

@@ -0,0 +1,47 @@
+package com.meloda.app.fast.common.di
+
+import android.content.Context
+import android.content.res.Resources
+import android.os.PowerManager
+import androidx.preference.PreferenceManager
+import com.meloda.app.fast.MainViewModelImpl
+import com.meloda.app.fast.auth.authModule
+import com.meloda.app.fast.conversations.di.conversationsModule
+import com.meloda.app.fast.data.di.dataModule
+import com.meloda.app.fast.friends.di.friendsModule
+import com.meloda.app.fast.languagepicker.di.languagePickerModule
+import com.meloda.app.fast.messageshistory.di.messagesHistoryModule
+import com.meloda.app.fast.photoviewer.di.photoViewModule
+import com.meloda.app.fast.profile.di.profileModule
+import com.meloda.app.fast.service.longpolling.di.longPollModule
+import com.meloda.app.fast.settings.di.settingsModule
+import org.koin.android.ext.koin.androidContext
+import org.koin.androidx.viewmodel.dsl.viewModelOf
+import org.koin.core.module.dsl.singleOf
+import org.koin.core.qualifier.qualifier
+import org.koin.dsl.module
+
+val applicationModule = module {
+    includes(dataModule)
+    includes(
+        authModule,
+        conversationsModule,
+        settingsModule,
+        messagesHistoryModule,
+        photoViewModule,
+        languagePickerModule,
+        longPollModule,
+        friendsModule,
+        profileModule
+    )
+
+    // TODO: 14/05/2024, Danil Nikolaev: research on memory leaks and potentials errors
+    // TODO: 14/05/2024, Danil Nikolaev: extract all operations with preferences to standalone class
+    singleOf(PreferenceManager::getDefaultSharedPreferences)
+    single<Resources> { androidContext().resources }
+    factory<PowerManager> { androidContext().getSystemService(Context.POWER_SERVICE) as PowerManager }
+
+    viewModelOf(::MainViewModelImpl) {
+        qualifier = qualifier("main")
+    }
+}

app/src/main/kotlin/com/meloda/app/fast/model/LongPollState.kt

@@ -0,0 +1,7 @@
+package com.meloda.app.fast.model
+
+sealed class LongPollState {
+    data object ForegroundService : LongPollState()
+    data object DefaultService : LongPollState()
+    data object Stop : LongPollState()
+}

app/src/main/kotlin/com/meloda/app/fast/model/MainScreenState.kt

@@ -0,0 +1,30 @@
+package com.meloda.app.fast.model
+
+import androidx.compose.runtime.Immutable
+import com.meloda.app.fast.model.database.AccountEntity
+
+@Immutable
+data class MainScreenState(
+    val accounts: List<AccountEntity>,
+    val accountsLoaded: Boolean,
+    val useDarkTheme: Boolean,
+    val useDynamicColors: Boolean,
+    val isNeedToRequestNotifications: Boolean,
+    val isNeedToOpenAppPermissions: Boolean,
+    val isNeedToOpenAuth: Boolean,
+) {
+
+    companion object {
+        val EMPTY: MainScreenState = MainScreenState(
+            accounts = emptyList(),
+            accountsLoaded = false,
+
+            // TODO: 05/05/2024, Danil Nikolaev: implement
+            useDarkTheme = false,
+            useDynamicColors = false,
+            isNeedToRequestNotifications = false,
+            isNeedToOpenAppPermissions = false,
+            isNeedToOpenAuth = false,
+        )
+    }
+}

app/src/main/kotlin/com/meloda/app/fast/model/ServicesState.kt

@@ -0,0 +1,7 @@
+package com.meloda.app.fast.model
+
+sealed class ServicesState {
+    data object Started : ServicesState()
+    data object Stopped : ServicesState()
+    data object Unknown : ServicesState()
+}

app/src/main/kotlin/com/meloda/app/fast/receiver/DownloadManagerReceiver.kt

@@ -1,4 +1,4 @@
-package com.meloda.fast.receiver
+package com.meloda.app.fast.receiver
 
 import android.content.BroadcastReceiver
 import android.content.Context

app/src/main/kotlin/com/meloda/app/fast/service/OnlineService.kt

@@ -0,0 +1,129 @@
+package com.meloda.app.fast.service
+
+import android.app.Service
+import android.content.Intent
+import android.os.IBinder
+import android.util.Log
+import com.meloda.app.fast.common.UserConfig
+import com.meloda.app.fast.common.extensions.createTimerFlow
+import com.meloda.app.fast.data.api.account.AccountUseCase
+import kotlinx.coroutines.CoroutineExceptionHandler
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.launch
+import org.koin.android.ext.android.inject
+import kotlin.coroutines.CoroutineContext
+import kotlin.time.Duration.Companion.minutes
+
+class OnlineService : Service() {
+
+    private val job = SupervisorJob()
+
+    private val exceptionHandler = CoroutineExceptionHandler { _, throwable ->
+        Log.d(TAG, "error: $throwable")
+        throwable.printStackTrace()
+    }
+
+    private val coroutineContext: CoroutineContext
+        get() = Dispatchers.Default + job + exceptionHandler
+
+    private val coroutineScope = CoroutineScope(coroutineContext)
+
+    private val useCase: AccountUseCase by inject()
+
+    private var timerJob: Job? = null
+    private var onlineJob: Job? = null
+
+    override fun onBind(intent: Intent?): IBinder? {
+        Log.d(STATE_TAG, "onBind: intent: $intent")
+        return null
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (startId > 1) return START_STICKY
+
+        Log.d(STATE_TAG, "onStartCommand: flags: $flags; startId: $startId\ninstance: $this")
+
+        // TODO: 05/05/2024, Danil Nikolaev: implement
+//        if (AppGlobal.preferences.getBoolean(
+//                SettingsKeys.KEY_VISIBILITY_SEND_ONLINE_STATUS,
+//                SettingsKeys.DEFAULT_VALUE_KEY_VISIBILITY_SEND_ONLINE_STATUS
+//            )
+//        ) {
+//            createTimer()
+//        }
+
+        return START_STICKY
+    }
+
+    private fun createTimer() {
+        timerJob = createTimerFlow(
+            isNeedToEndCondition = { false },
+            onStartAction = ::setOnline,
+            onTickAction = ::setOnline,
+            interval = 5.minutes
+        ).launchIn(coroutineScope)
+    }
+
+    private fun setOnline() {
+        if (onlineJob != null) return
+
+
+        // TODO: 05/05/2024, Danil Nikolaev: implement
+//        if (!AppGlobal.preferences.getBoolean(
+//                SettingsKeys.KEY_VISIBILITY_SEND_ONLINE_STATUS,
+//                SettingsKeys.DEFAULT_VALUE_KEY_VISIBILITY_SEND_ONLINE_STATUS
+//            )
+//        ) return
+
+        Log.d(TAG, "setOnline()")
+
+        onlineJob = coroutineScope.launch {
+            val token = UserConfig.fastToken ?: UserConfig.accessToken
+
+            if (token.isBlank()) {
+                Log.d(TAG, "setOnline: token is empty")
+                return@launch
+            }
+
+            val response = useCase.setOnline(
+                voip = false,
+                accessToken = token
+            )
+            Log.d(TAG, "setOnline: response: $response")
+        }.also { coroutine -> coroutine.invokeOnCompletion { onlineJob = null } }
+    }
+
+    private suspend fun setOffline() {
+        Log.d(TAG, "setOffline()")
+
+        val response = useCase.setOffline(
+            accessToken = UserConfig.accessToken
+        )
+
+        Log.d(TAG, "setOffline: response: $response")
+    }
+
+    override fun onLowMemory() {
+        Log.d(STATE_TAG, "onLowMemory")
+        super.onLowMemory()
+    }
+
+    override fun onDestroy() {
+        Log.d(STATE_TAG, "onDestroy")
+
+        timerJob?.cancel("OnlineService destroyed")
+        onlineJob?.cancel("OnlineService destroyed")
+
+        super.onDestroy()
+    }
+
+    companion object {
+        private const val TAG = "OnlineService"
+        private const val STATE_TAG = "OnlineServiceState"
+    }
+}

app/src/main/kotlin/com/meloda/app/fast/service/longpolling/LongPollingService.kt

@@ -0,0 +1,271 @@
+package com.meloda.app.fast.service.longpolling
+
+import android.app.PendingIntent
+import android.app.Service
+import android.content.Intent
+import android.content.SharedPreferences
+import android.net.Uri
+import android.os.Build
+import android.os.IBinder
+import android.provider.Settings
+import android.util.Log
+import androidx.core.app.NotificationCompat
+import androidx.core.app.ServiceCompat
+import com.conena.nanokt.android.app.stopForegroundCompat
+import com.meloda.app.fast.common.UserConfig
+import com.meloda.app.fast.common.VkConstants
+import com.meloda.app.fast.common.extensions.listenValue
+import com.meloda.app.fast.data.LongPollUpdatesParser
+import com.meloda.app.fast.data.LongPollUseCase
+import com.meloda.app.fast.data.processState
+import com.meloda.app.fast.datastore.SettingsController
+import com.meloda.app.fast.datastore.SettingsKeys
+import com.meloda.app.fast.model.api.data.LongPollUpdates
+import com.meloda.app.fast.model.api.data.VkLongPollData
+import com.meloda.app.fast.util.NotificationsUtils
+import kotlinx.coroutines.CoroutineExceptionHandler
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.launch
+import org.koin.android.ext.android.inject
+import kotlin.coroutines.CoroutineContext
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
+
+class LongPollingService : Service() {
+
+    private val job = SupervisorJob()
+
+    private val exceptionHandler = CoroutineExceptionHandler { _, throwable ->
+        Log.e(TAG, "error: $throwable")
+
+        if (throwable !is NoAccessTokenException) {
+            throwable.printStackTrace()
+        }
+    }
+
+    private val coroutineContext: CoroutineContext
+        get() = Dispatchers.IO + job + exceptionHandler
+
+    private val coroutineScope = CoroutineScope(coroutineContext)
+
+    private val longPollUseCase: LongPollUseCase by inject()
+    private val updatesParser: LongPollUpdatesParser by inject()
+    private val preferences: SharedPreferences by inject()
+
+    private var currentJob: Job? = null
+
+    override fun onCreate() {
+        super.onCreate()
+        Log.d(STATE_TAG, "onCreate()")
+    }
+
+    override fun onBind(intent: Intent?): IBinder? {
+        Log.d(STATE_TAG, "onBind: intent: $intent")
+        return null
+    }
+
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (startId > 1) return START_STICKY
+
+        val asForeground = preferences.getBoolean(
+            SettingsKeys.KEY_FEATURES_LONG_POLL_IN_BACKGROUND,
+            SettingsKeys.DEFAULT_VALUE_FEATURES_LONG_POLL_IN_BACKGROUND
+        )
+
+        Log.d(
+            STATE_TAG,
+            "onStartCommand: asForeground: $asForeground; flags: $flags; startId: $startId;\ninstance: $this"
+        )
+
+        if (currentJob != null) {
+            currentJob?.cancel()
+            currentJob = null
+        }
+
+        coroutineScope.launch {
+            currentJob = startPolling().also { it.join() }
+        }
+
+        val openCategorySettingsIntent = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            Intent(Settings.ACTION_CHANNEL_NOTIFICATION_SETTINGS)
+                .putExtra(Settings.EXTRA_APP_PACKAGE, packageName)
+                .putExtra(Settings.EXTRA_CHANNEL_ID, "long_polling")
+        } else {
+            Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS)
+                .setData(Uri.fromParts("package", packageName, null))
+                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
+        }
+        val openCategorySettingsPendingIntent = PendingIntent.getActivity(
+            this,
+            1,
+            openCategorySettingsIntent,
+            PendingIntent.FLAG_IMMUTABLE
+        )
+
+        if (asForeground) {
+            val notification =
+                NotificationsUtils.createNotification(
+                    context = this,
+                    title = "LongPoll",
+                    contentText = "нажмите, чтобы убрать уведомление",
+                    notRemovable = false,
+                    channelId = "long_polling",
+                    priority = NotificationsUtils.NotificationPriority.Low,
+                    category = NotificationCompat.CATEGORY_SERVICE,
+                    customNotificationId = NOTIFICATION_ID,
+                    contentIntent = openCategorySettingsPendingIntent
+                ).build()
+
+            startForeground(NOTIFICATION_ID, notification)
+        } else {
+            stopForegroundCompat(ServiceCompat.STOP_FOREGROUND_REMOVE)
+        }
+        return START_STICKY
+    }
+
+    private fun startPolling(): Job {
+        if (job.isCompleted || job.isCancelled) {
+            Log.d(STATE_TAG, "job is completed or cancelled")
+            throw Exception("Job is over")
+        }
+
+        Log.d(STATE_TAG, "job started")
+
+        return coroutineScope.launch {
+            if (UserConfig.accessToken.isEmpty()) {
+                throw NoAccessTokenException
+            }
+
+            var serverInfo = getServerInfo()
+                ?: throw LongPollException(message = "bad VK response (server info)")
+
+            var lastUpdatesResponse: LongPollUpdates? = getUpdatesResponse(serverInfo)
+                ?: throw LongPollException(message = "initiation error: bad VK response (last updates)")
+
+            var failCount = 0
+
+            while (job.isActive) {
+                if (lastUpdatesResponse == null) {
+                    failCount++
+                    serverInfo = getServerInfo()
+                        ?: throw LongPollException(message = "failed retrieving server info after error: bad VK response (server info #2)")
+                    lastUpdatesResponse = getUpdatesResponse(serverInfo)
+                    continue
+                }
+
+                when (lastUpdatesResponse.failed) {
+                    1 -> {
+                        val newTs = lastUpdatesResponse.ts ?: kotlin.run {
+                            failCount++
+                            serverInfo.ts
+                        }
+
+                        lastUpdatesResponse = getUpdatesResponse(serverInfo.copy(ts = newTs))
+                    }
+
+                    2, 3 -> {
+                        serverInfo = getServerInfo()
+                            ?: throw LongPollException(
+                                message = "failed retrieving server info after error: bad VK response (server info #3)"
+                            )
+                        lastUpdatesResponse = getUpdatesResponse(serverInfo)
+                    }
+
+                    else -> {
+                        val newTs = lastUpdatesResponse.ts
+
+                        if (newTs == null) {
+                            failCount++
+                        } else {
+                            val updates = lastUpdatesResponse.updates
+
+                            if (updates == null) {
+                                failCount++
+                            } else {
+                                updates.forEach(updatesParser::parseNextUpdate)
+                            }
+
+                            lastUpdatesResponse = getUpdatesResponse(serverInfo.copy(ts = newTs))
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private suspend fun getServerInfo(): VkLongPollData? = suspendCoroutine {
+        longPollUseCase.getLongPollServer(
+            needPts = true,
+            version = VkConstants.LP_VERSION
+        ).listenValue(coroutineScope) { state ->
+            state.processState(
+                success = { response ->
+                    Log.d(TAG, "getServerInfo: serverInfoResponse: $response")
+                    it.resume(response)
+                },
+                error = { error ->
+                    Log.e(TAG, "getServerInfo: $error")
+                    it.resume(null)
+                }
+            )
+        }
+    }
+
+    private suspend fun getUpdatesResponse(
+        server: VkLongPollData
+    ): LongPollUpdates? = suspendCoroutine {
+        longPollUseCase.getLongPollUpdates(
+            serverUrl = "https://${server.server}",
+            key = server.key,
+            ts = server.ts,
+            wait = 25,
+            mode = 2 or 8 or 32 or 64 or 128,
+            version = VkConstants.LP_VERSION
+        ).listenValue(coroutineScope) { state ->
+            state.processState(
+                success = { response ->
+                    Log.d(TAG, "lastUpdateResponse: $response")
+                    it.resume(response)
+                },
+                error = { error ->
+                    Log.d(TAG, "getUpdatesResponse: error: $error")
+                    it.resume(null)
+                }
+            )
+        }
+    }
+
+    override fun onDestroy() {
+        Log.d(STATE_TAG, "onDestroy")
+        try {
+            SettingsController.edit {
+                putBoolean(KEY_LONG_POLL_WAS_DESTROYED, true)
+            }
+            job.cancel()
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+        super.onDestroy()
+    }
+
+    override fun onLowMemory() {
+        Log.d(STATE_TAG, "onLowMemory")
+        super.onLowMemory()
+    }
+
+    companion object {
+        const val TAG = "LongPollTask"
+
+        private const val STATE_TAG = "LongPollServiceState"
+
+        const val KEY_LONG_POLL_WAS_DESTROYED = "long_poll_was_destroyed"
+
+        private const val NOTIFICATION_ID = 1001
+    }
+}
+
+private data class LongPollException(override val message: String) : Throwable()
+private data object NoAccessTokenException : Throwable()

app/src/main/kotlin/com/meloda/app/fast/service/longpolling/di/LongPollModule.kt

@@ -0,0 +1,13 @@
+package com.meloda.app.fast.service.longpolling.di
+
+import com.meloda.app.fast.data.LongPollUpdatesParser
+import com.meloda.app.fast.data.LongPollUseCase
+import com.meloda.app.fast.data.LongPollUseCaseImpl
+import org.koin.core.module.dsl.singleOf
+import org.koin.dsl.bind
+import org.koin.dsl.module
+
+val longPollModule = module {
+    singleOf(::LongPollUseCaseImpl) bind LongPollUseCase::class
+    singleOf(::LongPollUpdatesParser)
+}

app/src/main/kotlin/com/meloda/app/fast/util/NotificationsUtils.kt

@@ -1,11 +1,11 @@
-package com.meloda.fast.util
+package com.meloda.app.fast.util
 
 import android.annotation.SuppressLint
 import android.app.PendingIntent
 import android.content.Context
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
-import com.meloda.fast.R
+import com.meloda.app.fast.designsystem.R as UiR
 
 object NotificationsUtils {
 
@@ -27,7 +27,7 @@ object NotificationsUtils {
         actions: List<NotificationCompat.Action> = emptyList(),
     ): NotificationCompat.Builder {
         val builder = NotificationCompat.Builder(context, channelId)
-            .setSmallIcon(R.drawable.ic_fast_logo)
+            .setSmallIcon(UiR.drawable.ic_fast_logo)
             .setContentTitle(title)
             .setPriority(priority.value)
             .setContentIntent(contentIntent)
@@ -69,5 +69,4 @@ object NotificationsUtils {
     enum class NotificationPriority(val value: Int) {
         Default(0), Low(-1), Min(-2), High(1), Max(2)
     }
-
 }

app/src/main/kotlin/com/meloda/fast/api/ApiEvent.kt

@@ -1,26 +0,0 @@
-package com.meloda.fast.api
-
-enum class ApiEvent(val value: Int) {
-    MessageSetFlags(2),
-    MessageClearFlags(3),
-    MessageNew(4),
-    MessageEdit(5),
-    MessageReadIncoming(6),
-    MessageReadOutgoing(7),
-    MessagesDeleted(13),
-    PinUnpinConversation(20),
-    PrivateTyping(61),
-    ChatTyping(62),
-    OneMoreTyping(63),
-    VoiceRecording(64),
-    PhotoUploading(65),
-    VideoUploading(66),
-    FileUploading(67),
-    UnreadCountUpdate(80)
-    ;
-
-    companion object {
-        fun parse(value: Int) = values().firstOrNull { it.value == value }
-    }
-
-}

app/src/main/kotlin/com/meloda/fast/api/ApiExtensions.kt

@@ -1,7 +0,0 @@
-package com.meloda.fast.api
-
-object ApiExtensions {
-
-    val Boolean.intString get() = (if (this) 1 else 0).toString()
-
-}

app/src/main/kotlin/com/meloda/fast/api/base/ApiError.kt

@@ -1,20 +0,0 @@
-package com.meloda.fast.api.base
-
-import com.google.gson.Gson
-import com.google.gson.annotations.SerializedName
-import okio.IOException
-
-open class ApiError(
-    @SerializedName("error", alternate = ["error_code"])
-    val error: String? = null,
-    @SerializedName("error_msg", alternate = ["error_description"])
-    open val errorMessage: String? = null,
-    @SerializedName("error_type")
-    val errorType: String? = null,
-    val throwable: Throwable? = null
-) : IOException() {
-
-    override fun toString(): String {
-        return Gson().toJson(this)
-    }
-}

app/src/main/kotlin/com/meloda/fast/api/base/ApiResponse.kt

@@ -1,8 +0,0 @@
-package com.meloda.fast.api.base
-
-data class ApiResponse<T>(
-    val error: ApiError? = null,
-    val response: T? = null
-) {
-    val isSuccessful get() = error == null && response != null
-}

app/src/main/kotlin/com/meloda/fast/api/base/AttachmentClassNameIsEmptyException.kt

@@ -1,9 +0,0 @@
-package com.meloda.fast.api.base
-
-import com.meloda.fast.api.model.attachments.VkAttachment
-import okio.IOException
-
-class AttachmentClassNameIsEmptyException(attachment: VkAttachment) :
-    IOException(
-        "attachment ${attachment.javaClass.name} does not have declared field \"className\""
-    )

app/src/main/kotlin/com/meloda/fast/api/longpoll/LongPollEvent.kt

@@ -1,34 +0,0 @@
-package com.meloda.fast.api.longpoll
-
-import com.meloda.fast.api.model.VkGroup
-import com.meloda.fast.api.model.VkMessage
-import com.meloda.fast.api.model.VkUser
-
-sealed class LongPollEvent {
-
-    data class VkMessageNewEvent(
-        val message: VkMessage,
-        val profiles: HashMap<Int, VkUser>,
-        val groups: HashMap<Int, VkGroup>,
-    ) : LongPollEvent()
-
-    data class VkMessageEditEvent(val message: VkMessage) : LongPollEvent()
-
-    data class VkMessageReadIncomingEvent(
-        val peerId: Int,
-        val messageId: Int,
-        val unreadCount: Int,
-    ) : LongPollEvent()
-
-    data class VkMessageReadOutgoingEvent(
-        val peerId: Int,
-        val messageId: Int,
-        val unreadCount: Int,
-    ) : LongPollEvent()
-
-    data class VkConversationPinStateChangedEvent(
-        val peerId: Int,
-        val majorId: Int,
-    ) : LongPollEvent()
-
-}

app/src/main/kotlin/com/meloda/fast/api/longpoll/LongPollUpdatesParser.kt

@@ -1,300 +0,0 @@
-package com.meloda.fast.api.longpoll
-
-import android.util.Log
-import com.google.gson.JsonArray
-import com.meloda.fast.api.ApiEvent
-import com.meloda.fast.api.VKConstants
-import com.meloda.fast.api.model.VkGroup
-import com.meloda.fast.api.model.VkUser
-import com.meloda.fast.api.network.ApiAnswer
-import com.meloda.fast.api.network.messages.MessagesGetByIdRequest
-import com.meloda.fast.base.viewmodel.VkEventCallback
-import com.meloda.fast.data.messages.MessagesRepository
-import kotlinx.coroutines.CoroutineExceptionHandler
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.SupervisorJob
-import kotlinx.coroutines.coroutineScope
-import kotlinx.coroutines.launch
-import kotlin.coroutines.CoroutineContext
-import kotlin.coroutines.resume
-import kotlin.coroutines.suspendCoroutine
-
-@Suppress("UNCHECKED_CAST", "MemberVisibilityCanBePrivate")
-class LongPollUpdatesParser(private val messagesRepository: MessagesRepository) : CoroutineScope {
-
-    private val job = SupervisorJob()
-
-    private val exceptionHandler = CoroutineExceptionHandler { _, throwable ->
-        Log.d("LongPollUpdatesParser", "error: $throwable")
-        throwable.printStackTrace()
-    }
-
-    override val coroutineContext: CoroutineContext
-        get() = Dispatchers.Default + job + exceptionHandler
-
-    private val listenersMap: MutableMap<ApiEvent, MutableCollection<VkEventCallback<*>>> =
-        mutableMapOf()
-
-    fun parseNextUpdate(event: JsonArray) {
-        val eventId = event[0].asInt
-        val eventType: ApiEvent? = ApiEvent.parse(eventId)
-
-        if (eventType == null) {
-            Log.d("LongPollUpdatesParser", "parseNextUpdate: unknownEvent: $event")
-            return
-        }
-
-        when (eventType) {
-            ApiEvent.MessageSetFlags -> parseMessageSetFlags(eventType, event)
-            ApiEvent.MessageClearFlags -> parseMessageClearFlags(eventType, event)
-            ApiEvent.MessageNew -> parseMessageNew(eventType, event)
-            ApiEvent.MessageEdit -> parseMessageEdit(eventType, event)
-            ApiEvent.MessageReadIncoming -> parseMessageReadIncoming(eventType, event)
-            ApiEvent.MessageReadOutgoing -> parseMessageReadOutgoing(eventType, event)
-            ApiEvent.MessagesDeleted -> parseMessagesDeleted(eventType, event)
-            ApiEvent.PinUnpinConversation -> parseConversationPinStateChanged(eventType, event)
-            ApiEvent.PrivateTyping -> onNewEvent(eventType, event)
-            ApiEvent.ChatTyping -> onNewEvent(eventType, event)
-            ApiEvent.OneMoreTyping -> onNewEvent(eventType, event)
-            ApiEvent.VoiceRecording -> onNewEvent(eventType, event)
-            ApiEvent.PhotoUploading -> onNewEvent(eventType, event)
-            ApiEvent.VideoUploading -> onNewEvent(eventType, event)
-            ApiEvent.FileUploading -> onNewEvent(eventType, event)
-            ApiEvent.UnreadCountUpdate -> onNewEvent(eventType, event)
-        }
-
-    }
-
-    private fun onNewEvent(eventType: ApiEvent, event: JsonArray) {
-        Log.d("LongPollUpdatesParser", "newEvent: $eventType: $event")
-    }
-
-    private fun parseConversationPinStateChanged(eventType: ApiEvent, event: JsonArray) {
-        Log.d("LongPollUpdatesParser", "$eventType: $event")
-
-        val peerId = event[1].asInt
-        val majorId = event[2].asInt
-
-        launch {
-            listenersMap[ApiEvent.PinUnpinConversation]?.let { listeners ->
-                listeners.forEach { vkEventCallback ->
-                    (vkEventCallback as VkEventCallback<LongPollEvent.VkConversationPinStateChangedEvent>)
-                        .onEvent(
-                            LongPollEvent.VkConversationPinStateChangedEvent(
-                                peerId = peerId,
-                                majorId = majorId
-                            )
-                        )
-                }
-            }
-        }
-    }
-
-    private fun parseMessageSetFlags(eventType: ApiEvent, event: JsonArray) {
-        Log.d("LongPollUpdatesParser", "$eventType: $event")
-    }
-
-    private fun parseMessageClearFlags(eventType: ApiEvent, event: JsonArray) {
-        Log.d("LongPollUpdatesParser", "$eventType: $event")
-    }
-
-    private fun parseMessageNew(eventType: ApiEvent, event: JsonArray) {
-        Log.d("LongPollUpdatesParser", "$eventType: $event")
-        val messageId = event[1].asInt
-
-        launch {
-            val newMessageEvent: LongPollEvent.VkMessageNewEvent =
-                loadNormalMessage(
-                    eventType,
-                    messageId
-                )
-
-            listenersMap[ApiEvent.MessageNew]?.let {
-                it.map { vkEventCallback ->
-                    (vkEventCallback as VkEventCallback<LongPollEvent.VkMessageNewEvent>)
-                        .onEvent(newMessageEvent)
-                }
-            }
-        }
-    }
-
-    private fun parseMessageEdit(eventType: ApiEvent, event: JsonArray) {
-        Log.d("LongPollUpdatesParser", "$eventType: $event")
-        val messageId = event[1].asInt
-
-        launch {
-            val editedMessageEvent: LongPollEvent.VkMessageEditEvent =
-                loadNormalMessage(
-                    eventType,
-                    messageId
-                )
-
-            listenersMap[ApiEvent.MessageEdit]?.let {
-                it.map { vkEventCallback ->
-                    (vkEventCallback as VkEventCallback<LongPollEvent.VkMessageEditEvent>)
-                        .onEvent(editedMessageEvent)
-                }
-            }
-        }
-    }
-
-    private fun parseMessageReadIncoming(eventType: ApiEvent, event: JsonArray) {
-        Log.d("LongPollUpdatesParser", "$eventType: $event")
-        val peerId = event[1].asInt
-        val messageId = event[2].asInt
-        val unreadCount = event[3].asInt
-
-        launch {
-            listenersMap[ApiEvent.MessageReadIncoming]?.let { listeners ->
-                listeners.map { vkEventCallback ->
-                    (vkEventCallback as VkEventCallback<LongPollEvent.VkMessageReadIncomingEvent>)
-                        .onEvent(
-                            LongPollEvent.VkMessageReadIncomingEvent(
-                                peerId = peerId,
-                                messageId = messageId,
-                                unreadCount = unreadCount
-                            )
-                        )
-                }
-            }
-        }
-    }
-
-    private fun parseMessageReadOutgoing(eventType: ApiEvent, event: JsonArray) {
-        Log.d("LongPollUpdatesParser", "$eventType: $event")
-        val peerId = event[1].asInt
-        val messageId = event[2].asInt
-        val unreadCount = event[3].asInt
-
-        launch {
-            listenersMap[ApiEvent.MessageReadOutgoing]?.let { listeners ->
-                listeners.map { vkEventCallback ->
-                    (vkEventCallback as VkEventCallback<LongPollEvent.VkMessageReadOutgoingEvent>)
-                        .onEvent(
-                            LongPollEvent.VkMessageReadOutgoingEvent(
-                                peerId = peerId,
-                                messageId = messageId,
-                                unreadCount = unreadCount
-                            )
-                        )
-                }
-            }
-        }
-    }
-
-    private fun parseMessagesDeleted(eventType: ApiEvent, event: JsonArray) {
-        Log.d("LongPollUpdatesParser", "$eventType: $event")
-    }
-
-    private suspend fun <T : LongPollEvent> loadNormalMessage(eventType: ApiEvent, messageId: Int) =
-        coroutineScope {
-            suspendCoroutine {
-                launch {
-                    val normalMessageResponse = messagesRepository.getById(
-                        MessagesGetByIdRequest(
-                            messagesIds = listOf(messageId),
-                            extended = true,
-                            fields = VKConstants.ALL_FIELDS
-                        )
-                    )
-
-                    if (normalMessageResponse.isError()) {
-                        normalMessageResponse.error.throwable?.run { throw this }
-                    }
-
-                    val messagesResponse =
-                        (normalMessageResponse as? ApiAnswer.Success)?.data?.response
-                            ?: return@launch
-
-                    val messagesList = messagesResponse.items
-                    if (messagesList.isEmpty()) return@launch
-
-                    val normalMessage = messagesList[0].asVkMessage()
-                    messagesRepository.store(listOf(normalMessage))
-
-                    val profiles = hashMapOf<Int, VkUser>()
-                    messagesResponse.profiles?.forEach { baseUser ->
-                        baseUser.mapToDomain().let { user -> profiles[user.id] = user }
-                    }
-
-                    val groups = hashMapOf<Int, VkGroup>()
-                    messagesResponse.groups?.forEach { baseGroup ->
-                        baseGroup.mapToDomain().let { group -> groups[group.id] = group }
-                    }
-
-                    val resumeValue: LongPollEvent? = when (eventType) {
-                        ApiEvent.MessageNew ->
-                            LongPollEvent.VkMessageNewEvent(
-                                normalMessage,
-                                profiles,
-                                groups
-                            )
-                        ApiEvent.MessageEdit -> LongPollEvent.VkMessageEditEvent(normalMessage)
-                        else -> null
-                    }
-
-                    resumeValue?.let { value -> it.resume(value as T) }
-                }
-            }
-        }
-
-
-    private fun <T : Any> registerListener(eventType: ApiEvent, listener: VkEventCallback<T>) {
-        listenersMap.let { map ->
-            map[eventType] = (map[eventType] ?: mutableListOf()).also {
-                it.add(listener)
-            }
-        }
-    }
-
-    fun onConversationPinStateChanged(listener: VkEventCallback<LongPollEvent.VkConversationPinStateChangedEvent>) {
-        registerListener(ApiEvent.PinUnpinConversation, listener)
-    }
-
-    fun onConversationPinStateChanged(block: (LongPollEvent.VkConversationPinStateChangedEvent) -> Unit) {
-        onConversationPinStateChanged(assembleEventCallback(block))
-    }
-
-    fun onMessageIncomingRead(listener: VkEventCallback<LongPollEvent.VkMessageReadIncomingEvent>) {
-        registerListener(ApiEvent.MessageReadIncoming, listener)
-    }
-
-    fun onMessageIncomingRead(block: (LongPollEvent.VkMessageReadIncomingEvent) -> Unit) {
-        onMessageIncomingRead(assembleEventCallback(block))
-    }
-
-    fun onMessageOutgoingRead(listener: VkEventCallback<LongPollEvent.VkMessageReadOutgoingEvent>) {
-        registerListener(ApiEvent.MessageReadOutgoing, listener)
-    }
-
-    fun onMessageOutgoingRead(block: (LongPollEvent.VkMessageReadOutgoingEvent) -> Unit) {
-        onMessageOutgoingRead(assembleEventCallback(block))
-    }
-
-    fun onNewMessage(listener: VkEventCallback<LongPollEvent.VkMessageNewEvent>) {
-        registerListener(ApiEvent.MessageNew, listener)
-    }
-
-    fun onNewMessage(block: (LongPollEvent.VkMessageNewEvent) -> Unit) {
-        onNewMessage(assembleEventCallback(block))
-    }
-
-    fun onMessageEdited(listener: VkEventCallback<LongPollEvent.VkMessageEditEvent>) {
-        registerListener(ApiEvent.MessageEdit, listener)
-    }
-
-    fun onMessageEdited(block: (LongPollEvent.VkMessageEditEvent) -> Unit) {
-        onMessageEdited(assembleEventCallback(block))
-    }
-
-    fun clearListeners() {
-        listenersMap.clear()
-    }
-}
-
-internal inline fun <R : Any> assembleEventCallback(
-    crossinline block: (R) -> Unit,
-): VkEventCallback<R> {
-    return VkEventCallback { event -> block.invoke(event) }
-}

app/src/main/kotlin/com/meloda/fast/api/model/ActionState.kt

@@ -1,17 +0,0 @@
-package com.meloda.fast.api.model
-
-sealed class ActionState {
-    object Phantom : ActionState()
-    object CallInProgress : ActionState()
-    object None : ActionState()
-
-    companion object {
-        fun parse(isPhantom: Boolean, isCallInProgress: Boolean): ActionState {
-            return when {
-                isPhantom -> Phantom
-                isCallInProgress -> CallInProgress
-                else -> None
-            }
-        }
-    }
-}

app/src/main/kotlin/com/meloda/fast/api/model/ConversationPeerType.kt

@@ -1,25 +0,0 @@
-package com.meloda.fast.api.model
-
-import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-sealed class ConversationPeerType : Parcelable {
-    object User : ConversationPeerType()
-    object Group : ConversationPeerType()
-    object Chat : ConversationPeerType()
-
-    fun isUser() = this == User
-    fun isGroup() = this == Group
-    fun isChat() = this == Chat
-
-    companion object {
-        fun parse(type: String): ConversationPeerType {
-            return when (type) {
-                "user" -> User
-                "group" -> Group
-                else -> Chat
-            }
-        }
-    }
-}

app/src/main/kotlin/com/meloda/fast/api/model/VkChatMember.kt

@@ -1,14 +0,0 @@
-package com.meloda.fast.api.model
-
-import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkChatMember(
-    val memberId: Int,
-    val invitedBy: Int,
-    val joinDate: Int,
-    val isAdmin: Boolean,
-    val isOwner: Boolean,
-    val canKick: Boolean
-) : Parcelable

app/src/main/kotlin/com/meloda/fast/api/model/VkGroup.kt

@@ -1,21 +0,0 @@
-package com.meloda.fast.api.model
-
-import android.os.Parcelable
-import androidx.room.Entity
-import androidx.room.PrimaryKey
-import kotlinx.parcelize.Parcelize
-
-@Entity(tableName = "groups")
-@Parcelize
-data class VkGroup(
-    @PrimaryKey(autoGenerate = false)
-    val id: Int,
-    val name: String,
-    val screenName: String,
-    val photo200: String?,
-    val membersCount: Int?
-) : Parcelable {
-
-    override fun toString() = name.trim()
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/VkMessage.kt

@@ -1,132 +0,0 @@
-package com.meloda.fast.api.model
-
-import androidx.room.Entity
-import androidx.room.Ignore
-import androidx.room.PrimaryKey
-import com.meloda.fast.api.UserConfig
-import com.meloda.fast.api.VKConstants
-import com.meloda.fast.api.model.attachments.VkAttachment
-import com.meloda.fast.api.model.base.BaseVkMessage
-import com.meloda.fast.api.model.domain.VkConversationDomain
-import com.meloda.fast.model.SelectableItem
-import com.meloda.fast.util.TimeUtils
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-// TODO: 05.08.2023, Danil Nikolaev: create other class for storing in database
-@Entity(tableName = "messages")
-@Parcelize
-data class VkMessage constructor(
-    @PrimaryKey(autoGenerate = false)
-    var id: Int,
-    var text: String? = null,
-    val isOut: Boolean,
-    val peerId: Int,
-    val fromId: Int,
-    val date: Int,
-    val randomId: Int,
-    val action: String? = null,
-    val actionMemberId: Int? = null,
-    val actionText: String? = null,
-    val actionConversationMessageId: Int? = null,
-    val actionMessage: String? = null,
-
-    var updateTime: Int? = null,
-
-    var important: Boolean = false,
-
-    var forwards: List<VkMessage>? = null,
-    var attachments: List<VkAttachment>? = null,
-    var replyMessage: VkMessage? = null,
-
-    val geo: BaseVkMessage.Geo? = null,
-) : SelectableItem() {
-
-    @Ignore
-    @IgnoredOnParcel
-    var user: VkUser? = null
-
-    @Ignore
-    @IgnoredOnParcel
-    var group: VkGroup? = null
-
-    @Ignore
-    @IgnoredOnParcel
-    var actionUser: VkUser? = null
-
-    @Ignore
-    @IgnoredOnParcel
-    var actionGroup: VkGroup? = null
-
-    @Ignore
-    @IgnoredOnParcel
-    var state: State = State.Sent
-
-    fun isPeerChat() = peerId > 2_000_000_000
-
-    fun isUser() = fromId > 0
-
-    fun isGroup() = fromId < 0
-
-    fun isRead(conversation: VkConversationDomain) =
-        if (isOut) {
-            conversation.outRead - id >= 0
-        } else {
-            conversation.inRead - id >= 0
-        }
-
-    fun getPreparedAction(): Action? {
-        if (action == null) return null
-        return Action.parse(action)
-    }
-
-    fun canEdit() =
-        fromId == UserConfig.userId &&
-                (attachments == null ||
-                        !VKConstants.restrictedToEditAttachments.contains(
-                            requireNotNull(attachments).first().javaClass
-                        )) &&
-                (System.currentTimeMillis() / 1000 - date.toLong() < TimeUtils.OneDayInSeconds)
-
-    fun hasAttachments(): Boolean = !attachments.isNullOrEmpty()
-
-    fun hasReply(): Boolean = replyMessage != null
-
-    fun hasForwards(): Boolean = !forwards.isNullOrEmpty()
-
-    fun hasGeo(): Boolean = geo != null
-
-    fun isUpdated(): Boolean = updateTime != null && requireNotNull(updateTime) > 0
-
-    fun isSending(): Boolean = state == State.Sending
-
-    fun isError(): Boolean = state == State.Error
-
-    fun isSent(): Boolean = state == State.Sent
-
-    enum class Action(val value: String) {
-        CHAT_CREATE("chat_create"),
-        CHAT_PHOTO_UPDATE("chat_photo_update"),
-        CHAT_PHOTO_REMOVE("chat_photo_remove"),
-        CHAT_TITLE_UPDATE("chat_title_update"),
-        CHAT_PIN_MESSAGE("chat_pin_message"),
-        CHAT_UNPIN_MESSAGE("chat_unpin_message"),
-        CHAT_INVITE_USER("chat_invite_user"),
-        CHAT_INVITE_USER_BY_LINK("chat_invite_user_by_link"),
-        CHAT_KICK_USER("chat_kick_user"),
-        CHAT_SCREENSHOT("chat_screenshot"),
-
-        CHAT_INVITE_USER_BY_CALL("chat_invite_user_by_call"),
-        CHAT_INVITE_USER_BY_CALL_LINK("chat_invite_user_by_call_join_link"),
-        CHAT_STYLE_UPDATE("conversation_style_update");
-
-        companion object {
-            fun parse(value: String?): Action? = values().firstOrNull { it.value == value }
-        }
-    }
-
-    enum class State {
-        Sending, Sent, Error
-    }
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/VkUser.kt

@@ -1,26 +0,0 @@
-package com.meloda.fast.api.model
-
-import android.os.Parcelable
-import androidx.room.Entity
-import androidx.room.PrimaryKey
-import kotlinx.parcelize.Parcelize
-
-@Entity(tableName = "users")
-@Parcelize
-data class VkUser(
-    @PrimaryKey(autoGenerate = false)
-    val id: Int,
-    val firstName: String,
-    val lastName: String,
-    val online: Boolean,
-    val photo200: String?,
-    val lastSeen: Int?,
-    val lastSeenStatus: String?,
-    val birthday: String?
-) : Parcelable {
-
-    override fun toString() = fullName
-
-    val fullName get() = "$firstName $lastName".trim()
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkAttachment.kt

@@ -1,12 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import android.os.Parcelable
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-open class VkAttachment : Parcelable {
-
-    open fun asString(withAccessKey: Boolean = true) = ""
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkAudio.kt

@@ -1,28 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import com.meloda.fast.api.VkUtils
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkAudio(
-    val id: Int,
-    val ownerId: Int,
-    val title: String,
-    val artist: String,
-    val url: String,
-    val duration: Int,
-    val accessKey: String?
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-
-    override fun asString(withAccessKey: Boolean) = VkUtils.attachmentToString(
-        attachmentClass = this::class.java,
-        id = id,
-        ownerId = ownerId,
-        withAccessKey = withAccessKey,
-        accessKey = accessKey
-    )
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkCall.kt

@@ -1,19 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkCall(
-    val initiatorId: Int,
-    val receiverId: Int,
-    val state: String,
-    val time: Int,
-    val duration: Int,
-    val isVideo: Boolean
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkCurator.kt

@@ -1,13 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkCurator(
-    val id: Int,
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkEvent.kt

@@ -1,8 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkEvent(
-    val id: Int
-) : VkAttachment()

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkFile.kt

@@ -1,30 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import com.meloda.fast.api.VkUtils
-import com.meloda.fast.api.model.base.attachments.BaseVkFile
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkFile(
-    val id: Int,
-    val ownerId: Int,
-    val title: String,
-    val ext: String,
-    val size: Int,
-    val url: String,
-    val accessKey: String?,
-    val preview: BaseVkFile.Preview?
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-
-    override fun asString(withAccessKey: Boolean) = VkUtils.attachmentToString(
-        attachmentClass = this::class.java,
-        id = id,
-        ownerId = ownerId,
-        withAccessKey = withAccessKey,
-        accessKey = accessKey
-    )
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkGift.kt

@@ -1,16 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkGift(
-    val id: Int,
-    val thumb256: String?,
-    val thumb96: String?,
-    val thumb48: String
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkGraffiti.kt

@@ -1,18 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkGraffiti(
-    val id: Int,
-    val ownerId: Int,
-    val url: String,
-    val width: Int,
-    val height: Int,
-    val accessKey: String
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkGroupCall.kt

@@ -1,13 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkGroupCall(
-    val initiatorId: Int
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkLink.kt

@@ -1,18 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkLink(
-    val url: String,
-    val title: String?,
-    val caption: String?,
-    val photo: VkPhoto?,
-    val target: String?,
-    val isFavorite: Boolean
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkMiniApp.kt

@@ -1,13 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkMiniApp(
-    val link: String
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkPoll.kt

@@ -1,13 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkPoll(
-    val id: Int
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkSticker.kt

@@ -1,26 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import com.meloda.fast.api.model.base.attachments.BaseVkSticker
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkSticker(
-    val id: Int,
-    val productId: Int,
-    val images: List<BaseVkSticker.Image>,
-    val backgroundImages: List<BaseVkSticker.Image>
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-
-    fun urlForSize(size: Int): String? {
-        for (image in images) {
-            if (image.width == size) return image.url
-        }
-
-        return null
-    }
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkStory.kt

@@ -1,21 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkStory(
-    val id: Int,
-    val ownerId: Int,
-    val date: Int,
-    val photo: VkPhoto?
-) : VkAttachment() {
-
-    fun isFromUser() = ownerId > 0
-
-    fun isFromGroup() = ownerId < 0
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkVoiceMessage.kt

@@ -1,22 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkVoiceMessage(
-    val id: Int,
-    val ownerId: Int,
-    val duration: Int,
-    val waveform: List<Int>,
-    val linkOgg: String,
-    val linkMp3: String,
-    val accessKey: String,
-    val transcriptState: String?,
-    val transcript: String?
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkWall.kt

@@ -1,25 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import com.meloda.fast.api.model.base.attachments.BaseVkAttachmentItem
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkWall(
-    val id: Int,
-    val fromId: Int,
-    val toId: Int,
-    val date: Int,
-    val text: String,
-    val attachments: List<BaseVkAttachmentItem>?,
-    val comments: Int?,
-    val likes: Int?,
-    val reposts: Int?,
-    val views: Int?,
-    val isFavorite: Boolean,
-    val accessKey: String?
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkWallReply.kt

@@ -1,13 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkWallReply(
-    val id: Int
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/attachments/VkWidget.kt

@@ -1,13 +0,0 @@
-package com.meloda.fast.api.model.attachments
-
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class VkWidget(
-    val id: Int
-) : VkAttachment() {
-
-    @IgnoredOnParcel
-    val className: String = this::class.java.name
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/BaseVkChat.kt

@@ -1,38 +0,0 @@
-package com.meloda.fast.api.model.base
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.VkChat
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkChat(
-    val type: String,
-    val title: String,
-    val admin_id: Int,
-    val members_count: Int,
-    val id: Int,
-    val photo_50: String,
-    val photo_100: String,
-    val photo_200: String,
-    val is_default_photo: Boolean,
-    val push_settings: PushSettings
-) : Parcelable {
-
-    fun asVkChat() = VkChat(
-        type = type,
-        title = title,
-        adminId = admin_id,
-        membersCount = members_count,
-        id = id,
-        photo50 = photo_50,
-        photo100 = photo_100,
-        photo200 = photo_200,
-        isDefaultPhoto = is_default_photo
-    )
-
-    @Parcelize
-    data class PushSettings(
-        val sound: Int,
-        val disabled_until: Int
-    ) : Parcelable
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/BaseVkChatMember.kt

@@ -1,26 +0,0 @@
-package com.meloda.fast.api.model.base
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.VkChatMember
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkChatMember(
-    val member_id: Int,
-    val invited_by: Int,
-    val join_date: Int,
-    val is_admin: Boolean?,
-    val is_owner: Boolean?,
-    val can_kick: Boolean?
-) : Parcelable {
-
-    fun asVkChatMember() = VkChatMember(
-        memberId = member_id,
-        invitedBy = invited_by,
-        joinDate = join_date,
-        isAdmin = is_admin == true,
-        isOwner = is_owner == true,
-        canKick = can_kick == true
-    )
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/BaseVkGroup.kt

@@ -1,31 +0,0 @@
-package com.meloda.fast.api.model.base
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.VkGroup
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkGroup(
-    val id: Int,
-    val name: String,
-    val screen_name: String,
-    val is_closed: Int,
-    val type: String,
-    val is_admin: Int,
-    val is_member: Int,
-    val is_advertiser: Int,
-    val photo_50: String?,
-    val photo_100: String?,
-    val photo_200: String?,
-    val members_count: Int?
-) : Parcelable {
-
-    fun mapToDomain() = VkGroup(
-        id = -id,
-        name = name,
-        screenName = screen_name,
-        photo200 = photo_200,
-        membersCount = members_count
-    )
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/BaseVkLongPoll.kt

@@ -1,12 +0,0 @@
-package com.meloda.fast.api.model.base
-
-import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkLongPoll(
-    val server: String,
-    val key: String,
-    val ts: Int,
-    val pts: Int
-) : Parcelable

app/src/main/kotlin/com/meloda/fast/api/model/base/BaseVkMessage.kt

@@ -1,76 +0,0 @@
-package com.meloda.fast.api.model.base
-
-import android.os.Parcelable
-import com.meloda.fast.api.VkUtils
-import com.meloda.fast.api.model.VkMessage
-import com.meloda.fast.api.model.base.attachments.BaseVkAttachmentItem
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkMessage(
-    val id: Int,
-    val peer_id: Int,
-    val date: Int,
-    val from_id: Int,
-    val out: Int,
-    val text: String,
-    val conversation_message_id: Int,
-    val fwd_messages: List<BaseVkMessage>? = emptyList(),
-    val important: Boolean,
-    val random_id: Int,
-    val attachments: List<BaseVkAttachmentItem> = emptyList(),
-    val is_hidden: Boolean,
-    val payload: String,
-    val geo: Geo?,
-    val action: Action?,
-    val ttl: Int,
-    val reply_message: BaseVkMessage?,
-    val update_time: Int?
-) : Parcelable {
-
-    fun asVkMessage() = VkMessage(
-        id = id,
-        text = text.ifBlank { null },
-        isOut = out == 1,
-        peerId = peer_id,
-        fromId = from_id,
-        date = date,
-        randomId = random_id,
-        action = action?.type,
-        actionMemberId = action?.member_id,
-        actionText = action?.text,
-        actionConversationMessageId = action?.conversation_message_id,
-        actionMessage = action?.message,
-        geo = geo,
-        important = important,
-        updateTime = update_time
-    ).also {
-        it.attachments = VkUtils.parseAttachments(attachments)
-        it.forwards = VkUtils.parseForwards(fwd_messages)
-        it.replyMessage = VkUtils.parseReplyMessage(reply_message)
-    }
-
-    @Parcelize
-    data class Geo(
-        val type: String,
-        val coordinates: Coordinates,
-        val place: Place
-    ) : Parcelable {
-
-        @Parcelize
-        data class Coordinates(val latitude: Float, val longitude: Float) : Parcelable
-
-        @Parcelize
-        data class Place(val country: String, val city: String, val title: String) : Parcelable
-    }
-
-    @Parcelize
-    data class Action(
-        val type: String,
-        val member_id: Int?,
-        val text: String?,
-        val conversation_message_id: Int?,
-        val message: String?
-    ) : Parcelable
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/BaseVkUser.kt

@@ -1,47 +0,0 @@
-package com.meloda.fast.api.model.base
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.VkUser
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkUser(
-    val id: Int,
-    val first_name: String,
-    val last_name: String,
-    val can_access_closed: Boolean,
-    val is_closed: Boolean,
-    val can_invite_to_chats: Boolean,
-    val sex: Int?,
-    val photo_50: String?,
-    val photo_100: String?,
-    val photo_200: String?,
-    val online: Int?,
-    val online_info: OnlineInfo?,
-    val screen_name: String,
-    val bdate: String?
-    //...other fields
-) : Parcelable {
-
-    @Parcelize
-    data class OnlineInfo(
-        val visible: Boolean,
-        val status: String,
-        val last_seen: Int?,
-        val is_online: Boolean?,
-        val online_mobile: Boolean?,
-        val app_id: Int?
-    ) : Parcelable
-
-    fun mapToDomain() = VkUser(
-        id = id,
-        firstName = first_name,
-        lastName = last_name,
-        online = online == 1,
-        photo200 = photo_200,
-        lastSeen = online_info?.last_seen,
-        lastSeenStatus = online_info?.status,
-        birthday = bdate
-    )
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkAttachmentItem.kt

@@ -1,77 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import android.util.Log
-import com.google.gson.annotations.SerializedName
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkAttachmentItem(
-    val type: String,
-    val photo: BaseVkPhoto?,
-    val video: BaseVkVideo?,
-    val audio: BaseVkAudio?,
-    @SerializedName("doc")
-    val file: BaseVkFile?,
-    val link: BaseVkLink?,
-    @SerializedName("mini_app")
-    val miniApp: BaseVkMiniApp?,
-    @SerializedName("audio_message")
-    val voiceMessage: BaseVkVoiceMessage?,
-    val sticker: BaseVkSticker?,
-    val gift: BaseVkGift?,
-    val wall: BaseVkWall?,
-    val graffiti: BaseVkGraffiti?,
-    val poll: BaseVkPoll?,
-    @SerializedName("wall_reply")
-    val wallReply: BaseVkWallReply?,
-    val call: BaseVkCall?,
-    @SerializedName("group_call_in_progress")
-    val groupCall: BaseVkGroupCall?,
-    val curator: BaseVkCurator?,
-    val event: BaseVkEvent?,
-    val story: BaseVkStory?,
-    val widget: BaseVkWidget?
-) : Parcelable {
-
-    fun getPreparedType() = AttachmentType.parse(type)
-
-    enum class AttachmentType(var value: String) {
-        Unknown("unknown"),
-        Photo("photo"),
-        Video("video"),
-        Audio("audio"),
-        File("doc"),
-        Link("link"),
-        Voice("audio_message"),
-        MiniApp("mini_app"),
-        Sticker("sticker"),
-        Gift("gift"),
-        Wall("wall"),
-        Graffiti("graffiti"),
-        Poll("poll"),
-        WallReply("wall_reply"),
-        Call("call"),
-        GroupCallInProgress("group_call_in_progress"),
-        Curator("curator"),
-        Event("event"),
-        Story("story"),
-        Widget("widget")
-        ;
-
-        companion object {
-            fun parse(value: String): AttachmentType {
-                val parsedValue = values().firstOrNull { it.value == value } ?: Unknown
-
-                if (parsedValue == Unknown) {
-                    Log.e("AttachmentType", "Unknown attachment type: $value")
-                }
-
-                return parsedValue
-            }
-        }
-    }
-
-}
-
-abstract class BaseVkAttachment : Parcelable

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkAudio.kt

@@ -1,60 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkAudio
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkAudio(
-    val id: Int,
-    val title: String,
-    val artist: String,
-    val duration: Int,
-    val url: String,
-    val date: Int,
-    val owner_id: Int,
-    val access_key: String?,
-    val is_explicit: Boolean,
-    val is_focus_track: Boolean,
-    val is_licensed: Boolean,
-    val track_code: String,
-    val genre_id: Int,
-    val album: Album,
-    val short_videos_allowed: Boolean,
-    val stories_allowed: Boolean,
-    val stories_cover_allowed: Boolean
-) : BaseVkAttachment() {
-
-    fun asVkAudio() = VkAudio(
-        id = id,
-        ownerId = owner_id,
-        title = title,
-        artist = artist,
-        url = url,
-        duration = duration,
-        accessKey = access_key
-    )
-
-    @Parcelize
-    data class Album(
-        val id: Int,
-        val title: String,
-        val owner_id: Int,
-        val access_key: String,
-        val thumb: Thumb
-    ) : Parcelable {
-
-        @Parcelize
-        data class Thumb(
-            val width: Int,
-            val height: Int,
-            val photo_34: String,
-            val photo_68: String,
-            val photo_135: String,
-            val photo_270: String,
-            val photo_300: String,
-            val photo_600: String,
-            val photo_1200: String
-        ) : Parcelable
-    }
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkCall.kt

@@ -1,26 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkCall
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkCall(
-    val initiator_id: Int,
-    val receiver_id: Int,
-    val state: String,
-    val time: Int,
-    val duration: Int,
-    val video: Boolean
-) : Parcelable {
-
-    fun asVkCall() = VkCall(
-        initiatorId = initiator_id,
-        receiverId = receiver_id,
-        state = state,
-        time = time,
-        duration = duration,
-        isVideo = video
-    )
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkCurator.kt

@@ -1,27 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkCurator
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkCurator(
-    val id: Int,
-    val name: String,
-    val description: String,
-    val url: String,
-    val photo: List<Photo>
-) : BaseVkAttachment() {
-
-    fun asVkCurator() = VkCurator(
-        id = id
-    )
-
-    @Parcelize
-    data class Photo(
-        val height: Int,
-        val url: String,
-        val width: String
-    ) : Parcelable
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkEvent.kt

@@ -1,20 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import com.meloda.fast.api.model.attachments.VkEvent
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkEvent(
-    val button_text: String,
-    val id: Int,
-    val is_favorite: Boolean,
-    val text: String,
-    val address: String,
-    val friends: List<Int> = emptyList(),
-    val member_status: Int,
-    val time: Int
-) : BaseVkAttachment() {
-
-    fun asVkEvent() = VkEvent(id = id)
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkFile.kt

@@ -1,63 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkFile
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkFile(
-    val id: Int,
-    val owner_id: Int,
-    val title: String,
-    val size: Int,
-    val ext: String,
-    val date: Int,
-    val type: Int,
-    val url: String,
-    val preview: Preview?,
-    val ic_licensed: Int,
-    val access_key: String?,
-    val web_preview_url: String?
-) : BaseVkAttachment() {
-
-    fun asVkFile() = VkFile(
-        id = id,
-        ownerId = owner_id,
-        title = title,
-        ext = ext,
-        url = url,
-        size = size,
-        accessKey = access_key,
-        preview = preview
-    )
-
-    @Parcelize
-    data class Preview(
-        val photo: Photo?,
-        val video: Video?
-    ) : Parcelable {
-
-        @Parcelize
-        data class Photo(val sizes: List<Size>) : Parcelable {
-
-            @Parcelize
-            data class Size(
-                val height: Int,
-                val width: Int,
-                val type: String,
-                val src: String
-            ) : Parcelable
-
-        }
-
-        @Parcelize
-        data class Video(
-            val src: String,
-            val width: Int,
-            val height: Int,
-            val file_size: Int
-        ) : Parcelable
-
-    }
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkGift.kt

@@ -1,22 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkGift
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkGift(
-    val id: Int,
-    val thumb_256: String?,
-    val thumb_96: String?,
-    val thumb_48: String
-) : Parcelable {
-
-    fun asVkGift() = VkGift(
-        id = id,
-        thumb256 = thumb_256,
-        thumb96 = thumb_96,
-        thumb48 = thumb_48
-    )
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkGraffiti.kt

@@ -1,26 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkGraffiti
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkGraffiti(
-    val id: Int,
-    val owner_id: Int,
-    val url: String,
-    val width: Int,
-    val height: Int,
-    val access_key: String
-) : Parcelable {
-
-    fun asVkGraffiti() = VkGraffiti(
-        id = id,
-        ownerId = owner_id,
-        url = url,
-        width = width,
-        height = height,
-        accessKey = access_key
-    )
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkGroupCall.kt

@@ -1,22 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkGroupCall
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkGroupCall(
-    val initiator_id: Int,
-    val join_link: String,
-    val participants: Participants
-) : Parcelable {
-
-    @Parcelize
-    data class Participants(
-        val list: List<Int>,
-        val count: Int
-    ) : Parcelable
-
-    fun asVkGroupCall() = VkGroupCall(initiatorId = initiator_id)
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkLink.kt

@@ -1,25 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import com.meloda.fast.api.model.attachments.VkLink
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkLink(
-    val url: String,
-    val title: String?,
-    val caption: String?,
-    val photo: BaseVkPhoto?,
-    val target: String?,
-    val is_favorite: Boolean
-) : BaseVkAttachment() {
-
-    fun asVkLink() = VkLink(
-        url = url,
-        title = title,
-        caption = caption,
-        photo = photo?.asVkPhoto(),
-        target = target,
-        isFavorite = is_favorite
-    )
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkMiniApp.kt

@@ -1,69 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.google.gson.annotations.SerializedName
-import com.meloda.fast.api.model.attachments.VkMiniApp
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkMiniApp(
-    val title: String,
-    val description: String,
-    val app: App,
-    val images: List<Image>?,
-    val button_text: String
-) : Parcelable {
-
-    @Parcelize
-    data class App(
-        val type: String,
-        val id: Int,
-        val title: String,
-        @SerializedName("author_owner_id")
-        val authorOwnerId: Int,
-        @SerializedName("are_notifications_enabled")
-        val areNotificationsEnabled: Boolean,
-        @SerializedName("is_favorite")
-        val isFavorite: Boolean,
-        @SerializedName("is_installed")
-        val isInstalled: Boolean,
-        @SerializedName("track_code")
-        val trackCode: String,
-        @SerializedName("share_url")
-        val shareUrl: String,
-        @SerializedName("webview_url")
-        val webViewUrl: String,
-        @SerializedName("hide_tabbar")
-        val hideTabBar: Int,
-        @SerializedName("icon_75")
-        val icon75: String?,
-        @SerializedName("icon_139")
-        val icon139: String?,
-        @SerializedName("icon_150")
-        val icon150: String?,
-        @SerializedName("icon_278")
-        val icon278: String?,
-        @SerializedName("icon_576")
-        val icon576: String?,
-        @SerializedName("open_in_external_browser")
-        val openInExternalBrowser: Boolean,
-        @SerializedName("need_policy_confirmation")
-        val needPolicyConfirmation: Boolean,
-        @SerializedName("is_vkui_internal")
-        val isVkUiInternal: Boolean,
-        @SerializedName("has_vk_connect")
-        val hasVkConnect: Boolean,
-        @SerializedName("need_show_bottom_menu_tooltip_on_close")
-        val needShowBottomMenuTooltipOnClose: Boolean
-    ) : Parcelable
-
-    @Parcelize
-    data class Image(
-        val height: Int,
-        val width: Int,
-        val url: String
-    ) : Parcelable
-
-    fun asVkMiniApp() = VkMiniApp(link = app.shareUrl)
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkPhoto.kt

@@ -1,43 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkPhoto
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkPhoto(
-    val album_id: Int,
-    val date: Int,
-    val id: Int,
-    val owner_id: Int,
-    val has_tags: Boolean,
-    val access_key: String?,
-    val sizes: List<Size>,
-    val text: String?,
-    val user_id: Int?,
-    val lat: Double?,
-    val long: Double?,
-    val post_id: Int?
-) : BaseVkAttachment() {
-
-    fun asVkPhoto() = VkPhoto(
-        albumId = album_id,
-        date = date,
-        id = id,
-        ownerId = owner_id,
-        hasTags = has_tags,
-        accessKey = access_key,
-        sizes = sizes,
-        text = text,
-        userId = user_id
-    )
-
-    @Parcelize
-    data class Size(
-        val height: Int,
-        val width: Int,
-        val type: String,
-        val url: String
-    ) : Parcelable
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkPoll.kt

@@ -1,63 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkPoll
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkPoll(
-    val multiple: Boolean,
-    val id: Int,
-    val votes: Int,
-    val anonymous: Boolean,
-    val closed: Boolean,
-    val end_date: Int,
-    val is_board: Boolean,
-    val can_vote: Boolean,
-    val can_edit: Boolean,
-    val can_report: Boolean,
-    val can_share: Boolean,
-    val created: Int,
-    val owner_id: Int,
-    val question: String,
-    val disable_unvote: Boolean,
-    val friends: List<Friend>?,
-    val embed_hash: String,
-    val answers: List<Answer>,
-    val author_id: Int,
-    val background: Background?
-) : Parcelable {
-
-    @Parcelize
-    data class Friend(
-        val id: Int
-    ) : Parcelable
-
-    @Parcelize
-    data class Answer(
-        val id: Int,
-        val rate: Double,
-        val text: String,
-        val votes: Int
-    ) : Parcelable
-
-    @Parcelize
-    data class Background(
-        val angle: Int,
-        val color: String,
-        val id: Int,
-        val name: String,
-        val type: String,
-        val points: List<Point>
-    ) : Parcelable {
-
-        @Parcelize
-        data class Point(
-            val color: String,
-            val position: Double
-        ) : Parcelable
-    }
-
-    fun asVkPoll() = VkPoll(id = id)
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkSticker.kt

@@ -1,37 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkSticker
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkSticker(
-    val product_id: Int,
-    val sticker_id: Int,
-    val images: List<Image>,
-    val images_with_background: List<Image>,
-    val animation_url: String?,
-    val animations: List<Animation>?
-) : Parcelable {
-
-    fun asVkSticker() = VkSticker(
-        id = sticker_id,
-        productId = product_id,
-        images = images,
-        backgroundImages = images_with_background
-    )
-
-    @Parcelize
-    data class Image(
-        val width: Int,
-        val height: Int,
-        val url: String
-    ) : Parcelable
-
-    @Parcelize
-    data class Animation(
-        val type: String,
-        val url: String
-    ) : Parcelable
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkStory.kt

@@ -1,52 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkStory
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkStory(
-    val id: Int,
-    val owner_id: Int,
-    val access_key: String,
-    val can_comment: Int,
-    val can_reply: Int,
-    val can_like: Boolean,
-    val can_share: Int,
-    val can_hide: Int,
-    val date: Int,
-    val expires_at: Int,
-    val is_ads: Boolean,
-    val photo: BaseVkPhoto?,
-    val replies: Replies,
-    val is_one_time: Boolean,
-    val track_code: String,
-    val type: String,
-    val views: Int,
-    val likes_count: Int,
-    val reaction_set_id: String,
-    val is_restricted: Boolean,
-    val no_sound: Boolean,
-    val need_mute: Boolean,
-    val mute_reply: Boolean,
-    val can_ask: Int,
-    val can_ask_anonymous: Int,
-    val preloading_enabled: Boolean,
-    val narratives_count: Int,
-    val can_use_in_narrative: Boolean
-) : BaseVkAttachment() {
-
-    fun asVkStory() = VkStory(
-        id = id,
-        ownerId = owner_id,
-        date = date,
-        photo = photo?.asVkPhoto()
-    )
-
-    @Parcelize
-    data class Replies(
-        val count: Int,
-        val new: Int
-    ) : Parcelable
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkVideo.kt

@@ -1,140 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkVideo
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkVideo(
-    val id: Int,
-    val title: String,
-    val width: Int,
-    val height: Int,
-    val duration: Int,
-    val date: Int,
-    val comments: Int,
-    val description: String,
-    val player: String,
-    val added: Int,
-    val type: String,
-    val views: Int,
-    val can_comment: Int,
-    val can_edit: Int,
-    val can_like: Int,
-    val can_repost: Int,
-    val can_subscribe: Int,
-    val can_add_to_faves: Int,
-    val can_add: Int,
-    val can_attach_link: Int,
-    val access_key: String?,
-    val owner_id: Int,
-    val ov_id: String,
-    val is_favorite: Boolean,
-    val track_code: String,
-    val image: List<Image>,
-    val first_frame: List<FirstFrame>,
-    val files: File,
-    val timeline_thumbs: TimelineThumbs,
-    val ads: Ads
-) : BaseVkAttachment() {
-
-    fun asVkVideo() = VkVideo(
-        id = id,
-        ownerId = owner_id,
-        images = image.map { it.asVideoImage() },
-        firstFrames = first_frame,
-        accessKey = access_key,
-        title = title
-    )
-
-    @Parcelize
-    data class Image(
-        val width: Int,
-        val height: Int,
-        val url: String,
-        val with_padding: Int?
-    ) : Parcelable {
-
-        fun asVideoImage() = VkVideo.VideoImage(
-            width = width,
-            height = height,
-            url = url,
-            withPadding = with_padding == 1
-        )
-    }
-
-    @Parcelize
-    data class FirstFrame(
-        val height: Int,
-        val width: Int,
-        val url: String
-    ) : Parcelable
-
-    @Parcelize
-    data class File(
-        val mp4_240: String?,
-        val mp4_360: String?,
-        val mp4_480: String?,
-        val mp4_720: String?,
-        val mp4_1080: String?,
-        val mp4_1440: String?,
-        val hls: String,
-        val dash_uni: String,
-        val dash_sep: String,
-        val hls_ondemand: String,
-        val dash_ondemand: String,
-        val failover_host: String
-    ) : Parcelable
-
-    @Parcelize
-    data class TimelineThumbs(
-        val count_per_image: Int,
-        val count_per_row: Int,
-        val count_total: Int,
-        val frame_height: Int,
-        val frame_width: Float,
-        val links: List<String>,
-        val is_uv: Boolean,
-        val frequency: Int
-    ) : Parcelable
-
-    @Parcelize
-    data class Ads(
-        val slot_id: Int,
-        val timeout: Int,
-        val can_play: Int,
-        val params: Params,
-        val sections: List<String>,
-        val midroll_percents: List<Float>
-    ) : Parcelable {
-
-        @Parcelize
-        data class Params(
-            val vk_id: Int,
-            val duration: Int,
-            val video_id: String,
-            val pl: Int,
-            val content_id: String,
-            val lang: Int,
-            val puid1: String,
-            val puid2: Int,
-            val puid3: Int,
-            val puid5: Int,
-            val puid6: Int,
-            val puid7: Int,
-            val puid9: Int,
-            val puid10: Int,
-            val puid12: Int,
-            val puid13: Int,
-            val puid14: Int,
-            val puid15: Int,
-            val puid18: Int,
-            val puid21: Int,
-            val sign: String,
-            val groupId: Int,
-            val vk_catid: Int,
-            val is_xz_video: Int
-        ) : Parcelable
-    }
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkVoiceMessage.kt

@@ -1,32 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkVoiceMessage
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkVoiceMessage(
-    val id: Int,
-    val owner_id: Int,
-    val duration: Int,
-    val waveform: List<Int>,
-    val link_ogg: String,
-    val link_mp3: String,
-    val access_key: String,
-    val transcript_state: String?,
-    val transcript: String?
-) : Parcelable {
-
-    fun asVkVoiceMessage() = VkVoiceMessage(
-        id = id,
-        ownerId = owner_id,
-        duration = duration,
-        waveform = waveform,
-        linkOgg = link_ogg,
-        linkMp3 = link_mp3,
-        accessKey = access_key,
-        transcriptState = transcript_state,
-        transcript = transcript
-    )
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkWall.kt

@@ -1,78 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.attachments.VkWall
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkWall(
-    val id: Int,
-    val from_id: Int,
-    val to_id: Int,
-    val date: Int,
-    val text: String,
-    val attachments: List<BaseVkAttachmentItem>?,
-    val post_source: PostSource?,
-    val comments: Comments?,
-    val likes: Likes?,
-    val reposts: Reposts?,
-    val views: Views?,
-    val is_favorite: Boolean,
-    val donut: Donut?,
-    val access_key: String?,
-    val short_text_rate: Double
-) : Parcelable {
-
-    fun asVkWall() = VkWall(
-        id = id,
-        fromId = from_id,
-        toId = to_id,
-        date = date,
-        text = text,
-        attachments = attachments,
-        comments = comments?.count,
-        likes = likes?.count,
-        reposts = reposts?.count,
-        views = views?.count,
-        isFavorite = is_favorite,
-        accessKey = access_key
-    )
-
-    @Parcelize
-    data class PostSource(
-        val type: String,
-        val platform: String
-    ) : Parcelable
-
-    @Parcelize
-    data class Comments(
-        val count: Int,
-        val can_post: Int,
-        val groups_can_post: Boolean
-    ) : Parcelable
-
-    @Parcelize
-    data class Likes(
-        val count: Int,
-        val user_likes: Int,
-        val can_like: Int,
-        val can_publish: Int,
-    ) : Parcelable
-
-    @Parcelize
-    data class Reposts(
-        val count: Int,
-        val user_reposted: Int
-    ) : Parcelable
-
-    @Parcelize
-    data class Views(
-        val count: Int
-    ) : Parcelable
-
-    @Parcelize
-    data class Donut(
-        val is_donut: Boolean
-    ) : Parcelable
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/base/attachments/BaseVkWidget.kt

@@ -1,11 +0,0 @@
-package com.meloda.fast.api.model.base.attachments
-
-import com.meloda.fast.api.model.attachments.VkWidget
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkWidget(val id: Int) : BaseVkAttachment() {
-
-    fun asVkWidget() = VkWidget(id)
-
-}

app/src/main/kotlin/com/meloda/fast/api/model/data/BaseVkConversation.kt

@@ -1,147 +0,0 @@
-package com.meloda.fast.api.model.data
-
-import android.os.Parcelable
-import com.meloda.fast.api.model.VkGroup
-import com.meloda.fast.api.model.VkMessage
-import com.meloda.fast.api.model.VkUser
-import com.meloda.fast.api.model.base.BaseVkMessage
-import com.meloda.fast.api.model.base.attachments.BaseVkGroupCall
-import com.meloda.fast.api.model.domain.VkConversationDomain
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-data class BaseVkConversation(
-    val peer: Peer,
-    val last_message_id: Int,
-    val in_read: Int,
-    val out_read: Int,
-    val in_read_cmid: Int,
-    val out_read_cmid: Int,
-    val sort_id: SortId,
-    val last_conversation_message_id: Int,
-    val is_marked_unread: Boolean,
-    val important: Boolean,
-    val push_settings: PushSettings,
-    val can_write: CanWrite,
-    val can_send_money: Boolean,
-    val can_receive_money: Boolean,
-    val chat_settings: ChatSettings?,
-    val call_in_progress: CallInProgress?,
-    val unread_count: Int?,
-) : Parcelable {
-
-    @Parcelize
-    data class Peer(
-        val id: Int,
-        val type: String,
-        val local_id: Int,
-    ) : Parcelable
-
-    @Parcelize
-    data class SortId(
-        val major_id: Int,
-        val minor_id: Int,
-    ) : Parcelable
-
-    @Parcelize
-    data class PushSettings(
-        val disabled_forever: Boolean,
-        val no_sound: Boolean,
-        val disabled_mentions: Boolean,
-        val disabled_mass_mentions: Boolean,
-    ) : Parcelable
-
-    @Parcelize
-    data class CanWrite(
-        val allowed: Boolean,
-    ) : Parcelable
-
-    @Parcelize
-    data class ChatSettings(
-        val owner_id: Int,
-        val title: String,
-        val state: String,
-        val acl: Acl,
-        val members_count: Int,
-        val friends_count: Int,
-        val photo: Photo?,
-        val admin_ids: List<Int>,
-        val active_ids: List<Int>,
-        val is_group_channel: Boolean,
-        val is_disappearing: Boolean,
-        val is_service: Boolean,
-        val theme: String?,
-        val pinned_message: BaseVkMessage?,
-    ) : Parcelable {
-
-        @Parcelize
-        data class Acl(
-            val can_change_info: Boolean,
-            val can_change_invite_link: Boolean,
-            val can_change_pin: Boolean,
-            val can_invite: Boolean,
-            val can_promote_users: Boolean,
-            val can_see_invite_link: Boolean,
-            val can_moderate: Boolean,
-            val can_copy_chat: Boolean,
-            val can_call: Boolean,
-            val can_use_mass_mentions: Boolean,
-            val can_change_style: Boolean,
-        ) : Parcelable
-
-        @Parcelize
-        data class Photo(
-            val photo_50: String?,
-            val photo_100: String?,
-            val photo_200: String?,
-            val is_default_photo: Boolean,
-        ) : Parcelable
-    }
-
-    @Parcelize
-    data class CallInProgress(
-        val participants: BaseVkGroupCall.Participants,
-        val join_link: String,
-    ) : Parcelable {
-
-        @Parcelize
-        data class Participants(
-            val list: List<Int>,
-            val count: Int,
-        ) : Parcelable
-
-    }
-
-    fun mapToDomain(
-        lastMessage: VkMessage? = null,
-        conversationUser: VkUser? = null,
-        conversationGroup: VkGroup? = null,
-    ) = VkConversationDomain(
-        id = peer.id,
-        localId = peer.local_id,
-        conversationTitle = chat_settings?.title,
-        conversationPhoto = chat_settings?.photo?.photo_200,
-        type = peer.type,
-        isCallInProgress = call_in_progress != null,
-        isPhantom = chat_settings?.is_disappearing == true,
-        lastConversationMessageId = last_conversation_message_id,
-        inRead = in_read,
-        outRead = out_read,
-        lastMessageId = last_message_id,
-        unreadCount = unread_count ?: 0,
-        membersCount = chat_settings?.members_count,
-        ownerId = chat_settings?.owner_id,
-        majorId = sort_id.major_id,
-        minorId = sort_id.minor_id,
-        canChangePin = chat_settings?.acl?.can_change_pin == true,
-        canChangeInfo = chat_settings?.acl?.can_change_info == true,
-        pinnedMessageId = chat_settings?.pinned_message?.id,
-        inReadCmId = in_read_cmid,
-        outReadCmId = out_read_cmid,
-    ).also {
-        it.lastMessage = lastMessage
-        it.pinnedMessage = chat_settings?.pinned_message?.asVkMessage()
-        it.conversationUser = conversationUser
-        it.conversationGroup = conversationGroup
-    }
-}

app/src/main/kotlin/com/meloda/fast/api/model/domain/VkConversationDomain.kt

@@ -1,245 +0,0 @@
-package com.meloda.fast.api.model.domain
-
-import android.os.Parcelable
-import androidx.room.Entity
-import androidx.room.Ignore
-import androidx.room.PrimaryKey
-import com.meloda.fast.R
-import com.meloda.fast.api.UserConfig
-import com.meloda.fast.api.VkUtils
-import com.meloda.fast.api.model.ActionState
-import com.meloda.fast.api.model.ConversationPeerType
-import com.meloda.fast.api.model.VkGroup
-import com.meloda.fast.api.model.VkMessage
-import com.meloda.fast.api.model.VkUser
-import com.meloda.fast.api.model.presentation.VkConversationUi
-import com.meloda.fast.common.AppGlobal
-import com.meloda.fast.ext.isFalse
-import com.meloda.fast.ext.isTrue
-import com.meloda.fast.ext.orDots
-import com.meloda.fast.model.base.UiImage
-import com.meloda.fast.model.base.UiText
-import com.meloda.fast.model.base.parseString
-import com.meloda.fast.util.TimeUtils
-import kotlinx.parcelize.IgnoredOnParcel
-import kotlinx.parcelize.Parcelize
-import java.util.Calendar
-
-@Suppress("MemberVisibilityCanBePrivate")
-@Entity(tableName = "conversations")
-@Parcelize
-data class VkConversationDomain(
-    @PrimaryKey(autoGenerate = false)
-    val id: Int,
-    val localId: Int,
-    val ownerId: Int?,
-    val conversationTitle: String?,
-    val conversationPhoto: String?,
-    val isCallInProgress: Boolean,
-    val isPhantom: Boolean,
-    val lastConversationMessageId: Int,
-    val inReadCmId: Int,
-    val outReadCmId: Int,
-    val inRead: Int,
-    val outRead: Int,
-    val lastMessageId: Int,
-    val unreadCount: Int,
-    val membersCount: Int?,
-    val canChangePin: Boolean,
-    val canChangeInfo: Boolean,
-    val majorId: Int,
-    val minorId: Int,
-    val pinnedMessageId: Int?,
-    val type: String,
-) : Parcelable {
-
-    @Ignore
-    @IgnoredOnParcel
-    var peerType: ConversationPeerType = ConversationPeerType.parse(type)
-
-    @Ignore
-    @IgnoredOnParcel
-    var lastMessage: VkMessage? = null
-
-    @Ignore
-    @IgnoredOnParcel
-    var pinnedMessage: VkMessage? = null
-
-    @Ignore
-    @IgnoredOnParcel
-    var conversationUser: VkUser? = null
-
-    @Ignore
-    @IgnoredOnParcel
-    var conversationGroup: VkGroup? = null
-
-    fun isChat() = peerType.isChat()
-    fun isUser() = peerType.isUser()
-    fun isGroup() = peerType.isGroup()
-
-    fun isInUnread() = inRead - lastMessageId < 0
-    fun isOutUnread() = outRead - lastMessageId < 0
-
-    fun isUnread() = isInUnread() || isOutUnread()
-
-    fun isAccount() = id == UserConfig.userId
-
-    fun isPinned() = majorId > 0
-
-    fun extractAvatar(): UiImage {
-        val placeholderImage = UiImage.Resource(R.drawable.ic_account_circle_cut)
-
-        val avatarLink = when {
-            peerType.isUser() -> {
-                if (id == UserConfig.userId) {
-                    null
-                } else {
-                    conversationUser?.photo200
-                }
-            }
-
-            peerType.isGroup() -> conversationGroup?.photo200
-            peerType.isChat() -> conversationPhoto
-            else -> null
-        }
-
-        return avatarLink?.let(UiImage::Url) ?: placeholderImage
-    }
-
-    fun extractTitle(): UiText {
-        return when {
-            isAccount() -> UiText.Resource(R.string.favorites)
-            peerType.isChat() -> UiText.Simple(conversationTitle ?: "...")
-            peerType.isUser() -> UiText.Simple(conversationUser?.fullName ?: "...")
-            peerType.isGroup() -> UiText.Simple(conversationGroup?.name ?: "...")
-            else -> UiText.Simple("...")
-        }
-    }
-
-    fun extractUnreadCounterText(): String? {
-        if (lastMessage?.isOut.isFalse && !isInUnread()) return null
-
-        return when (unreadCount) {
-            in 1..999 -> unreadCount.toString()
-            0 -> null
-            else -> "%dK".format(unreadCount / 1000)
-        }
-    }
-
-    // TODO: 07.01.2023, Danil Nikolaev: rewrite
-    fun extractMessage(): String {
-        val actionMessage = VkUtils.getActionConversationText(
-            message = lastMessage,
-            youPrefix = "You",
-            messageUser = lastMessage?.user,
-            messageGroup = lastMessage?.group,
-            action = lastMessage?.getPreparedAction(),
-            actionUser = lastMessage?.actionUser,
-            actionGroup = lastMessage?.actionGroup
-        )
-
-        val attachmentIcon: UiImage? = when {
-            lastMessage?.text == null -> null
-            !lastMessage?.forwards.isNullOrEmpty() -> {
-                if (lastMessage?.forwards?.size == 1) {
-                    UiImage.Resource(R.drawable.ic_attachment_forwarded_message)
-                } else {
-                    UiImage.Resource(R.drawable.ic_attachment_forwarded_messages)
-                }
-            }
-
-            else -> VkUtils.getAttachmentConversationIcon(lastMessage)
-        }
-
-        val attachmentText = (if (attachmentIcon == null) VkUtils.getAttachmentText(
-            message = lastMessage
-        ) else null)
-
-        val forwardsMessage = (if (lastMessage?.text == null) VkUtils.getForwardsText(
-            message = lastMessage
-        ) else null)
-
-        val messageText = lastMessage?.text?.let(UiText::Simple)
-
-        var prefix = when {
-            actionMessage != null -> ""
-            lastMessage?.isOut.isTrue -> "You: "
-            else ->
-                when {
-                    lastMessage?.user != null && lastMessage?.user?.firstName?.isNotBlank().isTrue -> {
-                        "${lastMessage?.user?.firstName}: "
-                    }
-
-                    lastMessage?.group != null && lastMessage?.group?.name?.isNotBlank().isTrue -> {
-                        "${lastMessage?.group?.name}: "
-                    }
-
-                    else -> ""
-                }
-        }
-
-        if ((!peerType.isChat() && lastMessage?.isOut.isFalse) || id == UserConfig.userId)
-            prefix = ""
-
-        val finalText =
-            (actionMessage ?: forwardsMessage ?: attachmentText ?: messageText)
-                ?.parseString(AppGlobal.Instance)
-                ?.let(VkUtils::prepareMessageText)
-                ?.let { text -> "$prefix$text" }
-
-
-        return finalText.orDots()
-    }
-
-    fun extractAttachmentImage(): UiImage? {
-        if (lastMessage?.text == null) return null
-        return VkUtils.getAttachmentConversationIcon(lastMessage)
-    }
-
-    fun extractReadCondition(): Boolean {
-        return (lastMessage?.isOut.isTrue && isOutUnread()) ||
-                (lastMessage?.isOut.isFalse && isInUnread())
-    }
-
-    fun extractDate(): String {
-        return TimeUtils.getLocalizedTime(AppGlobal.Instance, (lastMessage?.date ?: -1) * 1000L)
-    }
-
-    // TODO: 05.08.2023, Danil Nikolaev: rewrite
-    fun extractBirthday(): Boolean {
-        val birthday = conversationUser?.birthday ?: return false
-        val splitBirthday = birthday.split(".")
-
-        return if (splitBirthday.size > 1) {
-            val birthdayCalendar = Calendar.getInstance().apply {
-                this[Calendar.DAY_OF_MONTH] = splitBirthday.first().toIntOrNull() ?: -1
-                this[Calendar.MONTH] = (splitBirthday[1].toIntOrNull() ?: 0) - 1
-            }
-            val nowCalendar = Calendar.getInstance()
-
-            (nowCalendar[Calendar.DAY_OF_MONTH] == birthdayCalendar[Calendar.DAY_OF_MONTH]
-                    && nowCalendar[Calendar.MONTH] == birthdayCalendar[Calendar.MONTH])
-        } else false
-    }
-
-    fun mapToPresentation() = VkConversationUi(
-        conversationId = id,
-        lastMessageId = lastMessageId,
-        avatar = extractAvatar(),
-        title = extractTitle(),
-        unreadCount = extractUnreadCounterText(),
-        date = extractDate(),
-        message = extractMessage(),
-        attachmentImage = extractAttachmentImage(),
-        isPinned = majorId > 0,
-        actionState = ActionState.parse(isPhantom, isCallInProgress),
-        isBirthday = extractBirthday(),
-        isUnread = extractReadCondition(),
-        isAccount = isAccount(),
-        isOnline = !isAccount() && conversationUser?.online == true,
-        lastMessage = lastMessage,
-        conversationUser = conversationUser,
-        conversationGroup = conversationGroup,
-        peerType = peerType
-    )
-}

app/src/main/kotlin/com/meloda/fast/api/model/presentation/VkConversationUi.kt

@@ -1,33 +0,0 @@
-package com.meloda.fast.api.model.presentation
-
-import com.meloda.fast.api.model.ActionState
-import com.meloda.fast.api.model.ConversationPeerType
-import com.meloda.fast.api.model.VkGroup
-import com.meloda.fast.api.model.VkMessage
-import com.meloda.fast.api.model.VkUser
-import com.meloda.fast.model.base.AdapterDiffItem
-import com.meloda.fast.model.base.UiImage
-import com.meloda.fast.model.base.UiText
-
-data class VkConversationUi(
-    val conversationId: Int,
-    val lastMessageId: Int,
-    val avatar: UiImage,
-    val title: UiText,
-    val unreadCount: String?,
-    val date: String,
-    val message: String,
-    val attachmentImage: UiImage?,
-    val isPinned: Boolean,
-    val actionState: ActionState,
-    val isBirthday: Boolean,
-    val isUnread: Boolean,
-    val isAccount: Boolean,
-    val isOnline: Boolean,
-    val lastMessage: VkMessage?,
-    val conversationUser: VkUser?,
-    val conversationGroup: VkGroup?,
-    val peerType: ConversationPeerType,
-) : AdapterDiffItem {
-    override val id = conversationId
-}

app/src/main/kotlin/com/meloda/fast/api/network/ApiErrors.kt

@@ -1,110 +0,0 @@
-package com.meloda.fast.api.network
-
-import com.google.gson.annotations.SerializedName
-import com.meloda.fast.api.base.ApiError
-
-@Suppress("unused")
-object VkErrorCodes {
-    const val UnknownError = 1
-    const val AppDisabled = 2
-    const val UnknownMethod = 3
-    const val InvalidSignature = 4
-    const val UserAuthorizationFailed = 5
-    const val TooManyRequests = 6
-    const val NoRights = 7
-    const val BadRequest = 8
-    const val TooManySimilarActions = 9
-    const val InternalServerError = 10
-    const val InTestMode = 11
-    const val ExecuteCodeCompileError = 12
-    const val ExecuteCodeRuntimeError = 13
-    const val CaptchaNeeded = 14
-    const val AccessDenied = 15
-    const val RequiresRequestsOverHttps = 16
-    const val ValidationRequired = 17
-    const val UserBannedOrDeleted = 18
-    const val ActionProhibited = 20
-    const val ActionAllowedOnlyForStandalone = 21
-    const val MethodOff = 23
-    const val ConfirmationRequired = 24
-    const val ParameterIsNotSpecified = 100
-    const val IncorrectAppId = 101
-    const val OutOfLimits = 103
-    const val IncorrectUserId = 113
-    const val IncorrectTimestamp = 150
-    const val AccessToAlbumDenied = 200
-    const val AccessToAudioDenied = 201
-    const val AccessToGroupDenied = 203
-    const val AlbumIsFull = 300
-    const val ActionDenied = 500
-    const val PermissionDenied = 600
-    const val CannotSendMessageBlackList = 900
-    const val CannotSendMessageGroup = 901
-    const val InvalidDocId = 1150
-    const val InvalidDocTitle = 1152
-    const val AccessToDocDenied = 1153
-
-    const val AccessTokenExpired = 1117
-}
-
-object VkErrors {
-    const val Unknown = "unknown_error"
-
-    const val NeedValidation = "need_validation"
-    const val NeedCaptcha = "need_captcha"
-    const val InvalidRequest = "invalid_request"
-
-}
-
-object VkErrorTypes {
-    const val OtpFormatIncorrect = "otp_format_is_incorrect"
-    const val WrongOtp = "wrong_otp"
-}
-
-object VkErrorMessages {
-    const val UserBanned = "user has been banned"
-}
-
-open class AuthorizationError : ApiError()
-
-class TokenExpiredError : AuthorizationError()
-
-data class ValidationRequiredError(
-    @SerializedName("validation_type")
-    val validationType: String,
-    @SerializedName("validation_sid")
-    val validationSid: String,
-    @SerializedName("phone_mask")
-    val phoneMask: String,
-    @SerializedName("redirect_uri")
-    val redirectUri: String,
-    @SerializedName("validation_resend")
-    val validationResend: String
-) : ApiError()
-
-data class CaptchaRequiredError(
-    @SerializedName("captcha_sid")
-    val captchaSid: String,
-    @SerializedName("captcha_img")
-    val captchaImg: String
-) : ApiError()
-
-object WrongTwoFaCodeFormatError : ApiError()
-
-object WrongTwoFaCodeError : ApiError()
-
-data class UserBannedError(
-    @SerializedName("ban_info")
-    val banInfo: BanInfo
-) : ApiError() {
-
-    data class BanInfo(
-        @SerializedName("member_name")
-        val memberName: String,
-        val message: String,
-        @SerializedName("access_token")
-        val accessToken: String,
-        @SerializedName("restore_url")
-        val restoreUrl: String
-    )
-}

app/src/main/kotlin/com/meloda/fast/api/network/AuthInterceptor.kt

@@ -1,32 +0,0 @@
-package com.meloda.fast.api.network
-
-import com.meloda.fast.api.UserConfig
-import com.meloda.fast.api.VKConstants
-import com.meloda.fast.api.network.account.AccountUrls
-import com.meloda.fast.api.network.ota.OtaUrls
-import okhttp3.Interceptor
-import okhttp3.Response
-import java.net.URLEncoder
-
-class AuthInterceptor : Interceptor {
-
-    override fun intercept(chain: Interceptor.Chain): Response {
-        val builder = chain.request().url.newBuilder()
-
-        val url = builder.build().toUrl().toString()
-
-        if (!url.contains("upload.php") && !url.contains(OtaUrls.GetActualUrl)) {
-            builder.addQueryParameter("v", URLEncoder.encode(VKConstants.API_VERSION, "utf-8"))
-        }
-
-        if (!url.contains(AccountUrls.SetOnline) && !url.contains("upload.php")) {
-            UserConfig.accessToken.let {
-                if (it.isNotBlank())
-                    builder.addQueryParameter("access_token", URLEncoder.encode(it, "utf-8"))
-            }
-        }
-
-        return chain.proceed(chain.request().newBuilder().apply { url(builder.build()) }.build())
-
-    }
-}

app/src/main/kotlin/com/meloda/fast/api/network/ResultCallFactory.kt

@@ -1,155 +0,0 @@
-@file:Suppress("UNCHECKED_CAST")
-
-package com.meloda.fast.api.network
-
-import com.google.gson.Gson
-import com.meloda.fast.api.VkUtils
-import com.meloda.fast.api.base.ApiError
-import com.meloda.fast.api.base.ApiResponse
-import okhttp3.Request
-import okio.Timeout
-import retrofit2.*
-import java.lang.reflect.ParameterizedType
-import java.lang.reflect.Type
-import kotlin.contracts.ExperimentalContracts
-import kotlin.contracts.contract
-
-class ResultCallFactory(private val gson: Gson) : CallAdapter.Factory() {
-    override fun get(
-        returnType: Type,
-        annotations: Array<out Annotation>,
-        retrofit: Retrofit,
-    ): CallAdapter<*, *>? {
-        val rawReturnType: Class<*> = getRawType(returnType)
-        if (rawReturnType == Call::class.java) {
-            if (returnType is ParameterizedType) {
-                val callInnerType: Type = getParameterUpperBound(0, returnType)
-                if (getRawType(callInnerType) == ApiAnswer::class.java) {
-                    if (callInnerType is ParameterizedType) {
-                        val resultInnerType = getParameterUpperBound(0, callInnerType)
-                        return ResultCallAdapter<Any?>(resultInnerType, gson)
-                    }
-                    return ResultCallAdapter<Nothing>(Nothing::class.java, gson)
-                }
-            }
-        }
-        return null
-    }
-}
-
-internal abstract class CallDelegate<In, Out>(protected val proxy: Call<In>) : Call<Out> {
-
-    override fun execute(): Response<Out> = throw NotImplementedError()
-
-    final override fun enqueue(callback: Callback<Out>) = enqueueImpl(callback)
-
-    final override fun clone(): Call<Out> = cloneImpl()
-
-    override fun cancel() = proxy.cancel()
-
-    override fun request(): Request = proxy.request()
-
-    override fun isExecuted() = proxy.isExecuted
-
-    override fun isCanceled() = proxy.isCanceled
-
-    abstract fun enqueueImpl(callback: Callback<Out>)
-
-    abstract fun cloneImpl(): Call<Out>
-}
-
-private class ResultCallAdapter<R>(private val type: Type, private val gson: Gson) : CallAdapter<R, Call<ApiAnswer<R>>> {
-
-    override fun responseType() = type
-
-    override fun adapt(call: Call<R>): Call<ApiAnswer<R>> = ResultCall(call, gson)
-}
-
-internal class ResultCall<T>(proxy: Call<T>, private val gson: Gson) : CallDelegate<T, ApiAnswer<T>>(proxy) {
-
-    override fun enqueueImpl(callback: Callback<ApiAnswer<T>>) {
-        proxy.enqueue(ResultCallback(this, callback, gson))
-    }
-
-    override fun cloneImpl(): ResultCall<T> {
-        return ResultCall(proxy.clone(), gson)
-    }
-
-    private class ResultCallback<T>(
-        private val proxy: ResultCall<T>,
-        private val callback: Callback<ApiAnswer<T>>,
-        private val gson: Gson
-    ) : Callback<T> {
-
-        override fun onResponse(call: Call<T>, response: Response<T>) {
-            val result: ApiAnswer<T> =
-                if (response.isSuccessful) {
-                    val baseBody = response.body()
-                    if (baseBody !is ApiResponse<*>) {
-                        ApiAnswer.Success(baseBody as T)
-                    } else {
-                        val body = baseBody as? ApiResponse<*>
-                        if (body?.error != null) {
-                            VkUtils.getApiError(gson, gson.toJson(body.error))
-                        } else {
-                            ApiAnswer.Success(body as T)
-                        }
-                    }
-                } else {
-                    val errorBodyString = response.errorBody()?.string()
-
-                    VkUtils.getApiError(gson, errorBodyString)
-                }
-
-            if (checkErrors(call, result)) {
-                return
-            }
-
-            callback.onResponse(proxy, Response.success(result))
-        }
-
-        override fun onFailure(call: Call<T>, error: Throwable) {
-            callback.onResponse(
-                proxy,
-                Response.success(ApiAnswer.Error(ApiError(throwable = error)))
-            )
-        }
-
-        private fun checkErrors(call: Call<T>, result: ApiAnswer<*>): Boolean {
-            if (result.isError()) {
-                result.error.throwable?.run {
-                    onFailure(call, this)
-                    return true
-                }
-            }
-
-            return false
-        }
-    }
-
-    override fun timeout(): Timeout {
-        return proxy.timeout()
-    }
-}
-
-sealed class ApiAnswer<out R> {
-
-    data class Success<out T>(val data: T) : ApiAnswer<T>()
-    data class Error(val error: ApiError) : ApiAnswer<Nothing>()
-
-    @OptIn(ExperimentalContracts::class)
-    fun isSuccessful(): Boolean {
-        contract {
-            returns(true) implies (this@ApiAnswer is Success)
-        }
-        return this is Success
-    }
-
-    @OptIn(ExperimentalContracts::class)
-    fun isError(): Boolean {
-        contract {
-            returns(true) implies (this@ApiAnswer is Error)
-        }
-        return this is Error
-    }
-}