Chat creation feature (#138)

app/build.gradle.kts

@@ -77,6 +77,7 @@ dependencies {
     implementation(projects.feature.friends)
     implementation(projects.feature.profile)
     implementation(projects.feature.photoviewer)
+    implementation(projects.feature.createchat)
 
     implementation(projects.core.common)
     implementation(projects.core.ui)

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

@@ -16,6 +16,7 @@ import dev.meloda.fast.common.provider.Provider
 import dev.meloda.fast.common.provider.ResourceProvider
 import dev.meloda.fast.common.provider.ResourceProviderImpl
 import dev.meloda.fast.conversations.di.conversationsModule
+import dev.meloda.fast.conversations.di.createChatModule
 import dev.meloda.fast.domain.di.domainModule
 import dev.meloda.fast.friends.di.friendsModule
 import dev.meloda.fast.languagepicker.di.languagePickerModule
@@ -46,7 +47,8 @@ val applicationModule = module {
         longPollModule,
         friendsModule,
         profileModule,
-        chatMaterialsModule
+        chatMaterialsModule,
+        createChatModule
     )
 
     // TODO: 14/05/2024, Danil Nikolaev: research on memory leaks and potentials errors

app/src/main/kotlin/dev/meloda/fast/navigation/MainGraph.kt

@@ -25,6 +25,7 @@ fun NavGraphBuilder.mainScreen(
     onConversationClicked: (conversationId: Int) -> Unit,
     onPhotoClicked: (url: String) -> Unit,
     onMessageClicked: (userId: Int) -> Unit,
+    onCreateChatClicked: () -> Unit,
     viewModel: MainViewModel
 ) {
     val navigationItems = ImmutableList.of(
@@ -56,6 +57,7 @@ fun NavGraphBuilder.mainScreen(
             onConversationItemClicked = onConversationClicked,
             onPhotoClicked = onPhotoClicked,
             onMessageClicked = onMessageClicked,
+            onCreateChatClicked = onCreateChatClicked,
             viewModel = viewModel
         )
     }

app/src/main/kotlin/dev/meloda/fast/presentation/MainScreen.kt

@@ -57,6 +57,7 @@ fun MainScreen(
     onConversationItemClicked: (conversationId: Int) -> Unit = {},
     onPhotoClicked: (url: String) -> Unit = {},
     onMessageClicked: (userId: Int) -> Unit = {},
+    onCreateChatClicked: () -> Unit = {},
     viewModel: MainViewModel
 ) {
     val currentTheme = LocalThemeConfig.current
@@ -172,6 +173,7 @@ fun MainScreen(
                             onError = onError,
                             onConversationItemClicked = onConversationItemClicked,
                             onPhotoClicked = onPhotoClicked,
+                            onCreateChatClicked = onCreateChatClicked,
                             navController = navController,
                         )
                         profileScreen(

app/src/main/kotlin/dev/meloda/fast/presentation/RootScreen.kt

@@ -25,6 +25,8 @@ import dev.meloda.fast.auth.authNavGraph
 import dev.meloda.fast.auth.navigateToAuth
 import dev.meloda.fast.chatmaterials.navigation.chatMaterialsScreen
 import dev.meloda.fast.chatmaterials.navigation.navigateToChatMaterials
+import dev.meloda.fast.conversations.navigation.createChatScreen
+import dev.meloda.fast.conversations.navigation.navigateToCreateChat
 import dev.meloda.fast.languagepicker.navigation.languagePickerScreen
 import dev.meloda.fast.languagepicker.navigation.navigateToLanguagePicker
 import dev.meloda.fast.messageshistory.navigation.messagesHistoryScreen
@@ -125,6 +127,7 @@ fun RootScreen(
                 onConversationClicked = navController::navigateToMessagesHistory,
                 onPhotoClicked = { url -> navController.navigateToPhotoView(listOf(url)) },
                 onMessageClicked = navController::navigateToMessagesHistory,
+                onCreateChatClicked = navController::navigateToCreateChat,
                 viewModel = viewModel
             )
 
@@ -137,6 +140,13 @@ fun RootScreen(
                 onBack = navController::navigateUp,
                 onPhotoClicked = { url -> navController.navigateToPhotoView(listOf(url)) }
             )
+            createChatScreen(
+                onChatCreated = { conversationId ->
+                    navController.popBackStack()
+                    navController.navigateToMessagesHistory(conversationId)
+                },
+                navController = navController
+            )
 
             settingsScreen(
                 onBack = navController::navigateUp,

core/data/src/main/kotlin/dev/meloda/fast/data/api/messages/MessagesRepository.kt

@@ -1,10 +1,10 @@
 package dev.meloda.fast.data.api.messages
 
+import com.slack.eithernet.ApiResult
 import dev.meloda.fast.model.api.domain.VkAttachment
 import dev.meloda.fast.model.api.domain.VkAttachmentHistoryMessage
 import dev.meloda.fast.model.api.domain.VkMessage
 import dev.meloda.fast.network.RestApiErrorDomain
-import com.slack.eithernet.ApiResult
 
 interface MessagesRepository {
 
@@ -41,6 +41,11 @@ interface MessagesRepository {
         conversationMessageId: Int
     ): ApiResult<List<VkAttachmentHistoryMessage>, RestApiErrorDomain>
 
+    suspend fun createChat(
+        userIds: List<Int>?,
+        title: String?
+    ): ApiResult<Int, RestApiErrorDomain>
+
     suspend fun storeMessages(messages: List<VkMessage>)
 
 //    suspend fun markAsImportant(

core/data/src/main/kotlin/dev/meloda/fast/data/api/messages/MessagesRepositoryImpl.kt

@@ -1,5 +1,6 @@
 package dev.meloda.fast.data.api.messages
 
+import com.slack.eithernet.ApiResult
 import dev.meloda.fast.common.VkConstants
 import dev.meloda.fast.data.VkGroupsMap
 import dev.meloda.fast.data.VkMemoryCache
@@ -14,6 +15,7 @@ import dev.meloda.fast.model.api.domain.VkAttachment
 import dev.meloda.fast.model.api.domain.VkAttachmentHistoryMessage
 import dev.meloda.fast.model.api.domain.VkMessage
 import dev.meloda.fast.model.api.domain.asEntity
+import dev.meloda.fast.model.api.requests.MessagesCreateChatRequest
 import dev.meloda.fast.model.api.requests.MessagesGetByIdRequest
 import dev.meloda.fast.model.api.requests.MessagesGetHistoryAttachmentsRequest
 import dev.meloda.fast.model.api.requests.MessagesGetHistoryRequest
@@ -23,7 +25,6 @@ import dev.meloda.fast.network.RestApiErrorDomain
 import dev.meloda.fast.network.mapApiDefault
 import dev.meloda.fast.network.mapApiResult
 import dev.meloda.fast.network.service.messages.MessagesService
-import com.slack.eithernet.ApiResult
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 
@@ -198,6 +199,23 @@ class MessagesRepositoryImpl(
             )
         }
 
+    override suspend fun createChat(
+        userIds: List<Int>?,
+        title: String?
+    ): ApiResult<Int, RestApiErrorDomain> = withContext(Dispatchers.IO) {
+        val requestModel = MessagesCreateChatRequest(
+            userIds = userIds,
+            title = title
+        )
+
+        messagesService.createChat(requestModel.map).mapApiResult(
+            successMapper = { apiResponse ->
+                apiResponse.requireResponse().chatId
+            },
+            errorMapper = { error -> error?.toDomain() }
+        )
+    }
+
     override suspend fun storeMessages(messages: List<VkMessage>) {
         messageDao.insertAll(messages.map(VkMessage::asEntity))
     }

core/domain/src/main/kotlin/dev/meloda/fast/domain/GetLocalUserByIdUseCase.kt

@@ -20,4 +20,8 @@ class GetLocalUserByIdUseCase(private val repository: UsersRepository) {
 
         emit(newState)
     }
+
+    suspend fun proceed(userId: Int): VkUser? {
+        return repository.getLocalUsers(userIds = listOf(userId)).singleOrNull()
+    }
 }

core/domain/src/main/kotlin/dev/meloda/fast/domain/MessagesUseCase.kt

@@ -42,6 +42,11 @@ interface MessagesUseCase {
         conversationMessageId: Int
     ): Flow<State<List<VkAttachmentHistoryMessage>>>
 
+    fun createChat(
+        userIds: List<Int>?,
+        title: String?
+    ): Flow<State<Int>>
+
     suspend fun storeMessage(message: VkMessage)
     suspend fun storeMessages(messages: List<VkMessage>)
 }

core/domain/src/main/kotlin/dev/meloda/fast/domain/MessagesUseCaseImpl.kt

@@ -100,6 +100,14 @@ class MessagesUseCaseImpl(
         emit(newState)
     }
 
+    override fun createChat(userIds: List<Int>?, title: String?): Flow<State<Int>> = flow {
+        emit(State.Loading)
+
+        val newState = repository.createChat(userIds, title).mapToState()
+
+        emit(newState)
+    }
+
     override suspend fun storeMessage(message: VkMessage) {
         repository.storeMessages(listOf(message))
     }

core/domain/src/main/kotlin/dev/meloda/fast/domain/util/FriendMapper.kt

@@ -1,9 +1,9 @@
-package dev.meloda.fast.friends.util
+package dev.meloda.fast.domain.util
 
 import dev.meloda.fast.common.model.UiImage
 import dev.meloda.fast.data.VkMemoryCache
-import dev.meloda.fast.friends.model.UiFriend
 import dev.meloda.fast.model.api.domain.VkUser
+import dev.meloda.fast.ui.model.api.UiFriend
 
 fun VkUser.asPresentation(
     useContactNames: Boolean = false
@@ -16,5 +16,7 @@ fun VkUser.asPresentation(
         fullName
     },
     onlineStatus = onlineStatus,
-    photo400Orig = photo400Orig?.let(UiImage::Url)
+    photo400Orig = photo400Orig?.let(UiImage::Url),
+    firstName = firstName,
+    lastName = lastName
 )

core/model/src/main/kotlin/dev/meloda/fast/model/api/requests/MessagesRequest.kt

@@ -267,3 +267,14 @@ data class MessagesGetHistoryAttachmentsRequest(
         fields?.let { this["fields"] = it }
     }
 }
+
+data class MessagesCreateChatRequest(
+    val userIds: List<Int>?,
+    val title: String?
+) {
+
+    val map = mutableMapOf<String, String>().apply {
+        userIds?.let { this["user_ids"] = it.joinToString(",") }
+        title?.let { this["title"] = it }
+    }
+}

core/model/src/main/kotlin/dev/meloda/fast/model/api/responses/MessagesResponse.kt

@@ -1,5 +1,7 @@
 package dev.meloda.fast.model.api.responses
 
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
 import dev.meloda.fast.model.api.data.VkAttachmentHistoryMessageData
 import dev.meloda.fast.model.api.data.VkChatMemberData
 import dev.meloda.fast.model.api.data.VkContactData
@@ -7,8 +9,6 @@ import dev.meloda.fast.model.api.data.VkConversationData
 import dev.meloda.fast.model.api.data.VkGroupData
 import dev.meloda.fast.model.api.data.VkMessageData
 import dev.meloda.fast.model.api.data.VkUserData
-import com.squareup.moshi.Json
-import com.squareup.moshi.JsonClass
 
 @JsonClass(generateAdapter = true)
 data class MessagesGetHistoryResponse(
@@ -44,3 +44,9 @@ data class MessagesGetHistoryAttachmentsResponse(
     @Json(name = "groups") val groups: List<VkGroupData>?,
     @Json(name = "contacts") val contacts: List<VkContactData>?
 )
+
+@JsonClass(generateAdapter = true)
+data class MessagesCreateChatResponse(
+    @Json(name = "chat_id") val chatId: Int,
+    @Json(name = "peer_ids") val peerIds: List<Int>
+)

core/network/src/main/kotlin/dev/meloda/fast/network/service/messages/MessagesService.kt

@@ -1,12 +1,13 @@
 package dev.meloda.fast.network.service.messages
 
+import com.slack.eithernet.ApiResult
 import dev.meloda.fast.model.api.data.VkLongPollData
+import dev.meloda.fast.model.api.responses.MessagesCreateChatResponse
 import dev.meloda.fast.model.api.responses.MessagesGetByIdResponse
 import dev.meloda.fast.model.api.responses.MessagesGetHistoryAttachmentsResponse
 import dev.meloda.fast.model.api.responses.MessagesGetHistoryResponse
 import dev.meloda.fast.network.ApiResponse
 import dev.meloda.fast.network.RestApiError
-import com.slack.eithernet.ApiResult
 import retrofit2.http.FieldMap
 import retrofit2.http.FormUrlEncoded
 import retrofit2.http.POST
@@ -49,6 +50,12 @@ interface MessagesService {
         @FieldMap params: Map<String, String>
     ): ApiResult<ApiResponse<MessagesGetHistoryAttachmentsResponse>, RestApiError>
 
+    @FormUrlEncoded
+    @POST(MessagesUrls.CREATE_CHAT)
+    suspend fun createChat(
+        @FieldMap params: Map<String, String>
+    ): ApiResult<ApiResponse<MessagesCreateChatResponse>, RestApiError>
+
 //    @FormUrlEncoded
 //    @POST(MessagesUrls.MarkAsImportant)
 //    suspend fun markAsImportant(

core/network/src/main/kotlin/dev/meloda/fast/network/service/messages/MessagesUrls.kt

@@ -19,4 +19,5 @@ object MessagesUrls {
     const val GET_CONVERSATIONS_MEMBERS = "${AppConstants.URL_API}/messages.getConversationMembers"
     const val REMOVE_CHAT_USER = "${AppConstants.URL_API}/messages.removeChatUser"
     const val GET_HISTORY_ATTACHMENTS = "${AppConstants.URL_API}/messages.getHistoryAttachments"
+    const val CREATE_CHAT = "${AppConstants.URL_API}/messages.createChat"
 }

core/presentation/.gitignore

@@ -0,0 +1 @@
+/build

core/presentation/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+    alias(libs.plugins.fast.android.library)
+    alias(libs.plugins.fast.android.library.compose)
+    alias(libs.plugins.kotlin.serialization)
+}
+
+android {
+    namespace = "dev.meloda.fast.presentation"
+}
+
+dependencies {
+}

core/presentation/src/main/AndroidManifest.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+
+</manifest>

core/ui/build.gradle.kts

@@ -11,6 +11,7 @@ android {
 dependencies {
     api(projects.core.common)
     api(projects.core.model)
+    implementation(projects.core.presentation)
 
     implementation(libs.haze)
     implementation(libs.haze.materials)

core/ui/src/main/kotlin/dev/meloda/fast/ui/model/api/ActionState.kt

@@ -1,4 +1,4 @@
-package dev.meloda.fast.conversations.model
+package dev.meloda.fast.ui.model.api
 
 enum class ActionState {
     PHANTOM, CALL_IN_PROGRESS, NONE;

core/ui/src/main/kotlin/dev/meloda/fast/ui/model/api/ConversationOption.kt

@@ -0,0 +1,31 @@
+package dev.meloda.fast.ui.model.api
+
+import dev.meloda.fast.common.model.UiImage
+import dev.meloda.fast.common.model.UiText
+import dev.meloda.fast.ui.R
+
+sealed class ConversationOption(
+    val title: UiText,
+    val icon: UiImage
+) {
+
+    data object MarkAsRead : ConversationOption(
+        title = UiText.Resource(R.string.action_mark_as_read),
+        icon = UiImage.Resource(R.drawable.round_done_all_24)
+    )
+
+    data object Pin : ConversationOption(
+        title = UiText.Resource(R.string.action_pin),
+        icon = UiImage.Resource(R.drawable.pin_outline_24)
+    )
+
+    data object Unpin : ConversationOption(
+        title = UiText.Resource(R.string.action_unpin),
+        icon = UiImage.Resource(R.drawable.pin_off_outline_24)
+    )
+
+    data object Delete : ConversationOption(
+        title = UiText.Resource(R.string.action_delete),
+        icon = UiImage.Resource(R.drawable.round_delete_outline_24)
+    )
+}

core/ui/src/main/kotlin/dev/meloda/fast/ui/model/api/ConversationsShowOptions.kt

@@ -1,4 +1,4 @@
-package dev.meloda.fast.conversations.model
+package dev.meloda.fast.ui.model.api
 
 data class ConversationsShowOptions(
     val showDeleteDialog: Int?,

core/ui/src/main/kotlin/dev/meloda/fast/ui/model/api/UiConversation.kt

@@ -1,4 +1,4 @@
-package dev.meloda.fast.conversations.model
+package dev.meloda.fast.ui.model.api
 
 import androidx.compose.runtime.Immutable
 import androidx.compose.ui.text.AnnotatedString

core/ui/src/main/kotlin/dev/meloda/fast/ui/model/api/UiFriend.kt

@@ -1,11 +1,15 @@
-package dev.meloda.fast.friends.model
+package dev.meloda.fast.ui.model.api
 
+import androidx.compose.runtime.Immutable
 import dev.meloda.fast.common.model.UiImage
 import dev.meloda.fast.model.api.domain.OnlineStatus
 
+@Immutable
 data class UiFriend(
     val userId: Int,
     val avatar: UiImage?,
+    val firstName: String,
+    val lastName: String,
     val title: String,
     val onlineStatus: OnlineStatus,
     val photo400Orig: UiImage?

core/ui/src/main/res/values-ru/strings.xml

@@ -215,4 +215,7 @@
     <string name="no_online_friends">Никого в сети</string>
     <string name="try_again">Попробовать ещё раз</string>
     <string name="session_expired">Срок действия сессии истёк</string>
+    <string name="title_create_chat">Создать чат</string>
+    <string name="action_create">Создать</string>
+    <string name="create_chat_title">Название</string>
 </resources>

core/ui/src/main/res/values/strings.xml

@@ -280,4 +280,7 @@
     <string name="no_online_friends">No one is online</string>
     <string name="try_again">Try again</string>
     <string name="session_expired">Session expired</string>
+    <string name="title_create_chat">Create chat</string>
+    <string name="action_create">Create</string>
+    <string name="create_chat_title">Title</string>
 </resources>

feature/conversations/src/main/kotlin/dev/meloda/fast/conversations/ConversationsViewModel.kt

@@ -11,10 +11,7 @@ import dev.meloda.fast.common.extensions.createTimerFlow
 import dev.meloda.fast.common.extensions.findWithIndex
 import dev.meloda.fast.common.extensions.listenValue
 import dev.meloda.fast.common.extensions.setValue
-import dev.meloda.fast.conversations.model.ConversationOption
 import dev.meloda.fast.conversations.model.ConversationsScreenState
-import dev.meloda.fast.conversations.model.ConversationsShowOptions
-import dev.meloda.fast.conversations.model.UiConversation
 import dev.meloda.fast.conversations.util.asPresentation
 import dev.meloda.fast.conversations.util.extractAvatar
 import dev.meloda.fast.data.State
@@ -29,6 +26,9 @@ import dev.meloda.fast.model.InteractionType
 import dev.meloda.fast.model.LongPollEvent
 import dev.meloda.fast.model.api.domain.VkConversation
 import dev.meloda.fast.network.VkErrorCode
+import dev.meloda.fast.ui.model.api.ConversationOption
+import dev.meloda.fast.ui.model.api.ConversationsShowOptions
+import dev.meloda.fast.ui.model.api.UiConversation
 import dev.meloda.fast.ui.util.ImmutableList
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -84,10 +84,7 @@ class ConversationsViewModelImpl(
     override val currentOffset = MutableStateFlow(0)
     override val canPaginate = MutableStateFlow(false)
 
-    // TODO: 22-Dec-24, Danil Nikolaev: rewrite
+    private val useContactNames: Boolean get() = userSettings.useContactNames.value
-    private val useContactNames = {
-        userSettings.useContactNames.value
-    }
 
     override fun onPaginationConditionsMet() {
         currentOffset.update { screenState.value.conversations.size }
@@ -168,11 +165,11 @@ class ConversationsViewModelImpl(
                 conversations = old.conversations.map { item ->
                     item.copy(
                         isExpanded =
-                        if (item.id == conversation.id) {
+                            if (item.id == conversation.id) {
-                            !item.isExpanded
+                                !item.isExpanded
-                        } else {
+                            } else {
-                            false
+                                false
-                        },
+                            },
                         options = ImmutableList.copyOf(options)
                     )
                 }
@@ -191,7 +188,10 @@ class ConversationsViewModelImpl(
         onPinDialogDismissed()
     }
 
-    override fun onOptionClicked(conversation: UiConversation, option: ConversationOption) {
+    override fun onOptionClicked(
+        conversation: UiConversation,
+        option: ConversationOption
+    ) {
         when (option) {
             ConversationOption.Delete -> {
                 emitShowOptions { old ->
@@ -322,21 +322,25 @@ class ConversationsViewModelImpl(
                     }
                 }
             }
+
             State.Error.ConnectionError -> {
                 baseError.setValue {
                     BaseError.SimpleError(message = "Connection error")
                 }
             }
+
             State.Error.InternalError -> {
                 baseError.setValue {
                     BaseError.SimpleError(message = "Internal error")
                 }
             }
+
             State.Error.UnknownError -> {
                 baseError.setValue {
                     BaseError.SimpleError(message = "Unknown error")
                 }
             }
+
             else -> Unit
         }
     }
@@ -360,7 +364,7 @@ class ConversationsViewModelImpl(
                             conversations = newConversations.map {
                                 it.asPresentation(
                                     resources = resources,
-                                    useContactName = useContactNames()
+                                    useContactName = useContactNames
                                 )
                             }
                         )
@@ -424,7 +428,7 @@ class ConversationsViewModelImpl(
                                     conversations = newConversations.map {
                                         it.asPresentation(
                                             resources = resources,
-                                            useContactName = useContactNames()
+                                            useContactName = useContactNames
                                         )
                                     }
                                 )
@@ -475,7 +479,7 @@ class ConversationsViewModelImpl(
                     conversations = newConversations.map {
                         it.asPresentation(
                             resources = resources,
-                            useContactName = useContactNames()
+                            useContactName = useContactNames
                         )
                     }
                 )
@@ -504,7 +508,7 @@ class ConversationsViewModelImpl(
                     conversations = newConversations.map {
                         it.asPresentation(
                             resources = resources,
-                            useContactName = useContactNames()
+                            useContactName = useContactNames
                         )
                     }
                 )
@@ -534,7 +538,7 @@ class ConversationsViewModelImpl(
                     conversations = newConversations.map {
                         it.asPresentation(
                             resources = resources,
-                            useContactName = useContactNames()
+                            useContactName = useContactNames
                         )
                     }
                 )
@@ -563,7 +567,7 @@ class ConversationsViewModelImpl(
                     conversations = newConversations.map {
                         it.asPresentation(
                             resources = resources,
-                            useContactName = useContactNames()
+                            useContactName = useContactNames
                         )
                     }
                 )
@@ -609,7 +613,7 @@ class ConversationsViewModelImpl(
                 old.copy(conversations = newConversations.map {
                     it.asPresentation(
                         resources = resources,
-                        useContactName = useContactNames()
+                        useContactName = useContactNames
                     )
                 })
             }
@@ -650,7 +654,7 @@ class ConversationsViewModelImpl(
                     conversations = newConversations.map {
                         it.asPresentation(
                             resources = resources,
-                            useContactName = useContactNames()
+                            useContactName = useContactNames
                         )
                     }
                 )
@@ -701,7 +705,7 @@ class ConversationsViewModelImpl(
                 conversations = newConversations.map {
                     it.asPresentation(
                         resources = resources,
-                        useContactName = useContactNames()
+                        useContactName = useContactNames
                     )
                 }
             )
@@ -735,7 +739,7 @@ class ConversationsViewModelImpl(
                             conversations = newConversations.map {
                                 it.asPresentation(
                                     resources = resources,
-                                    useContactName = useContactNames()
+                                    useContactName = useContactNames
                                 )
                             }
                         )

feature/conversations/src/main/kotlin/dev/meloda/fast/conversations/model/ConversationOption.kt

@@ -1,31 +0,0 @@
-package dev.meloda.fast.conversations.model
-
-import dev.meloda.fast.common.model.UiImage
-import dev.meloda.fast.common.model.UiText
-import dev.meloda.fast.ui.R as UiR
-
-sealed class ConversationOption(
-    val title: UiText,
-    val icon: UiImage
-) {
-
-    data object MarkAsRead : ConversationOption(
-        title = UiText.Resource(UiR.string.action_mark_as_read),
-        icon = UiImage.Resource(UiR.drawable.round_done_all_24)
-    )
-
-    data object Pin : ConversationOption(
-        title = UiText.Resource(UiR.string.action_pin),
-        icon = UiImage.Resource(UiR.drawable.pin_outline_24)
-    )
-
-    data object Unpin : ConversationOption(
-        title = UiText.Resource(UiR.string.action_unpin),
-        icon = UiImage.Resource(UiR.drawable.pin_off_outline_24)
-    )
-
-    data object Delete : ConversationOption(
-        title = UiText.Resource(UiR.string.action_delete),
-        icon = UiImage.Resource(UiR.drawable.round_delete_outline_24)
-    )
-}

feature/conversations/src/main/kotlin/dev/meloda/fast/conversations/model/ConversationsScreenState.kt

@@ -1,6 +1,8 @@
 package dev.meloda.fast.conversations.model
 
 import androidx.compose.runtime.Immutable
+import dev.meloda.fast.ui.model.api.ConversationsShowOptions
+import dev.meloda.fast.ui.model.api.UiConversation
 
 @Immutable
 data class ConversationsScreenState(

feature/conversations/src/main/kotlin/dev/meloda/fast/conversations/navigation/ConversationsNavigation.kt

@@ -17,6 +17,7 @@ fun NavGraphBuilder.conversationsScreen(
     onError: (BaseError) -> Unit,
     onConversationItemClicked: (id: Int) -> Unit,
     onPhotoClicked: (url: String) -> Unit,
+    onCreateChatClicked: () -> Unit,
     navController: NavController,
 ) {
     composable<Conversations> {
@@ -27,6 +28,7 @@ fun NavGraphBuilder.conversationsScreen(
             onError = onError,
             onConversationItemClicked = onConversationItemClicked,
             onConversationPhotoClicked = onPhotoClicked,
+            onCreateChatButtonClicked = onCreateChatClicked,
             viewModel = viewModel
         )
     }

feature/conversations/src/main/kotlin/dev/meloda/fast/conversations/presentation/ConversationItem.kt

@@ -48,11 +48,11 @@ import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import coil.compose.AsyncImage
-import dev.meloda.fast.conversations.model.ConversationOption
-import dev.meloda.fast.conversations.model.UiConversation
 import dev.meloda.fast.ui.basic.ContentAlpha
 import dev.meloda.fast.ui.basic.LocalContentAlpha
 import dev.meloda.fast.ui.components.DotsFlashing
+import dev.meloda.fast.ui.model.api.ConversationOption
+import dev.meloda.fast.ui.model.api.UiConversation
 import dev.meloda.fast.ui.util.getImage
 import dev.meloda.fast.ui.util.getResourcePainter
 import dev.meloda.fast.ui.util.getString
@@ -256,7 +256,7 @@ fun ConversationItem(
                     Row {
                         if (conversation.interactionText != null) {
                             Text(
-                                text = conversation.interactionText,
+                                text = conversation.interactionText.orEmpty(),
                                 color = MaterialTheme.colorScheme.primary
                             )
                             Spacer(modifier = Modifier.width(4.dp))

feature/conversations/src/main/kotlin/dev/meloda/fast/conversations/presentation/ConversationsList.kt

@@ -22,10 +22,10 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
-import dev.meloda.fast.conversations.model.ConversationOption
 import dev.meloda.fast.conversations.model.ConversationsScreenState
-import dev.meloda.fast.conversations.model.UiConversation
 import dev.meloda.fast.data.UserConfig
+import dev.meloda.fast.ui.model.api.ConversationOption
+import dev.meloda.fast.ui.model.api.UiConversation
 import dev.meloda.fast.ui.theme.LocalBottomPadding
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch

feature/conversations/src/main/kotlin/dev/meloda/fast/conversations/presentation/ConversationsScreen.kt

@@ -2,7 +2,6 @@ package dev.meloda.fast.conversations.presentation
 
 import androidx.compose.animation.AnimatedVisibility
 import androidx.compose.animation.animateColorAsState
-import androidx.compose.animation.core.Animatable
 import androidx.compose.animation.core.animateFloatAsState
 import androidx.compose.animation.core.tween
 import androidx.compose.animation.fadeIn
@@ -48,12 +47,10 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.runtime.snapshotFlow
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.rotate
 import androidx.compose.ui.platform.LocalView
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
@@ -62,29 +59,26 @@ import androidx.compose.ui.unit.DpOffset
 import androidx.compose.ui.unit.IntOffset
 import androidx.compose.ui.unit.LayoutDirection
 import androidx.compose.ui.unit.dp
-import androidx.core.view.HapticFeedbackConstantsCompat
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import dev.chrisbanes.haze.hazeEffect
 import dev.chrisbanes.haze.hazeSource
 import dev.chrisbanes.haze.materials.ExperimentalHazeMaterialsApi
 import dev.chrisbanes.haze.materials.HazeMaterials
 import dev.meloda.fast.conversations.ConversationsViewModel
-import dev.meloda.fast.conversations.model.ConversationOption
 import dev.meloda.fast.conversations.model.ConversationsScreenState
-import dev.meloda.fast.conversations.model.UiConversation
-import dev.meloda.fast.datastore.AppSettings
 import dev.meloda.fast.model.BaseError
 import dev.meloda.fast.ui.components.ErrorView
 import dev.meloda.fast.ui.components.FullScreenLoader
 import dev.meloda.fast.ui.components.MaterialDialog
 import dev.meloda.fast.ui.components.NoItemsView
+import dev.meloda.fast.ui.model.api.ConversationOption
+import dev.meloda.fast.ui.model.api.UiConversation
 import dev.meloda.fast.ui.theme.LocalBottomPadding
 import dev.meloda.fast.ui.theme.LocalHazeState
 import dev.meloda.fast.ui.theme.LocalThemeConfig
 import dev.meloda.fast.ui.util.isScrollingUp
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.debounce
-import kotlinx.coroutines.launch
 import dev.meloda.fast.ui.R as UiR
 
 @Composable
@@ -92,6 +86,7 @@ fun ConversationsRoute(
     onError: (BaseError) -> Unit,
     onConversationItemClicked: (conversationId: Int) -> Unit,
     onConversationPhotoClicked: (url: String) -> Unit,
+    onCreateChatButtonClicked: () -> Unit,
     viewModel: ConversationsViewModel
 ) {
     val screenState by viewModel.screenState.collectAsStateWithLifecycle()
@@ -113,6 +108,7 @@ fun ConversationsRoute(
         onRefreshDropdownItemClicked = viewModel::onRefresh,
         onRefresh = viewModel::onRefresh,
         onConversationPhotoClicked = onConversationPhotoClicked,
+        onCreateChatButtonClicked = onCreateChatButtonClicked,
         setScrollIndex = viewModel::setScrollIndex,
         setScrollOffset = viewModel::setScrollOffset
     )
@@ -132,7 +128,7 @@ fun ConversationsScreen(
     screenState: ConversationsScreenState = ConversationsScreenState.EMPTY,
     baseError: BaseError? = null,
     canPaginate: Boolean = false,
-    onSessionExpiredLogOutButtonClicked: () -> Unit,
+    onSessionExpiredLogOutButtonClicked: () -> Unit = {},
     onConversationItemClicked: (conversationId: Int) -> Unit = {},
     onConversationItemLongClicked: (conversation: UiConversation) -> Unit = {},
     onOptionClicked: (UiConversation, ConversationOption) -> Unit = { _, _ -> },
@@ -140,6 +136,7 @@ fun ConversationsScreen(
     onRefreshDropdownItemClicked: () -> Unit = {},
     onRefresh: () -> Unit = {},
     onConversationPhotoClicked: (url: String) -> Unit = {},
+    onCreateChatButtonClicked: () -> Unit = {},
     setScrollIndex: (Int) -> Unit = {},
     setScrollOffset: (Int) -> Unit = {}
 ) {
@@ -284,37 +281,13 @@ fun ConversationsScreen(
             }
         },
         floatingActionButton = {
-            val scope = rememberCoroutineScope()
-            val rotation = remember { Animatable(0f) }
-
             Column {
                 AnimatedVisibility(
                     visible = listState.isScrollingUp(),
                     enter = slideIn { IntOffset(0, 600) } + fadeIn(tween(200)),
                     exit = slideOut { IntOffset(0, 600) } + fadeOut(tween(200))
                 ) {
-                    FloatingActionButton(
+                    FloatingActionButton(onClick = onCreateChatButtonClicked) {
-                        onClick = {
-                            if (AppSettings.General.enableHaptic) {
-                                view.performHapticFeedback(HapticFeedbackConstantsCompat.REJECT)
-                            }
-                            scope.launch {
-                                for (i in 20 downTo 0 step 4) {
-                                    rotation.animateTo(
-                                        targetValue = i.toFloat(),
-                                        animationSpec = tween(50)
-                                    )
-                                    if (i > 0) {
-                                        rotation.animateTo(
-                                            targetValue = -i.toFloat(),
-                                            animationSpec = tween(50)
-                                        )
-                                    }
-                                }
-                            }
-                        },
-                        modifier = Modifier.rotate(rotation.value)
-                    ) {
                         Icon(
                             painter = painterResource(id = UiR.drawable.ic_baseline_create_24),
                             contentDescription = "Add chat button"
@@ -417,9 +390,7 @@ fun HandleDialogs(
         )
     }
 
-    if (showOptions.showPinDialog != null) {
+    showOptions.showPinDialog?.let { conversation ->
-        val conversation = showOptions.showPinDialog
-
         MaterialDialog(
             onDismissRequest = viewModel::onPinDialogDismissed,
             title = stringResource(

feature/conversations/src/main/kotlin/dev/meloda/fast/conversations/util/ConversationDomainMapper.kt

@@ -14,8 +14,6 @@ import dev.meloda.fast.common.model.UiImage
 import dev.meloda.fast.common.model.UiText
 import dev.meloda.fast.common.model.parseString
 import dev.meloda.fast.common.util.TimeUtils
-import dev.meloda.fast.conversations.model.ActionState
-import dev.meloda.fast.conversations.model.UiConversation
 import dev.meloda.fast.data.UserConfig
 import dev.meloda.fast.data.VkMemoryCache
 import dev.meloda.fast.model.InteractionType
@@ -24,6 +22,8 @@ import dev.meloda.fast.model.api.data.AttachmentType
 import dev.meloda.fast.model.api.domain.VkAttachment
 import dev.meloda.fast.model.api.domain.VkConversation
 import dev.meloda.fast.model.api.domain.VkMessage
+import dev.meloda.fast.ui.model.api.ActionState
+import dev.meloda.fast.ui.model.api.UiConversation
 import dev.meloda.fast.ui.util.ImmutableList
 import java.util.Calendar
 import java.util.Locale

feature/createchat/.gitignore

@@ -0,0 +1 @@
+/build

feature/createchat/build.gradle.kts

@@ -0,0 +1,34 @@
+plugins {
+    alias(libs.plugins.fast.android.feature)
+    alias(libs.plugins.fast.android.library.compose)
+}
+
+android {
+    namespace = "dev.meloda.fast.createchat"
+}
+
+dependencies {
+    implementation(projects.core.common)
+    implementation(projects.core.domain)
+    implementation(projects.core.model)
+    implementation(projects.core.ui)
+
+    implementation(libs.bundles.nanokt)
+
+    implementation(libs.koin.android)
+    implementation(libs.koin.androidx.compose)
+
+    implementation(platform(libs.compose.bom))
+    implementation(libs.bundles.compose)
+
+    implementation(libs.coil.compose)
+
+    implementation(libs.haze)
+    implementation(libs.haze.materials)
+
+    implementation(libs.eithernet)
+
+    implementation(libs.androidx.navigation.compose)
+
+    implementation(libs.kotlin.serialization)
+}

feature/createchat/src/main/kotlin/dev/meloda/fast/conversations/CreateChatViewModel.kt

@@ -0,0 +1,243 @@
+package dev.meloda.fast.conversations
+
+import android.content.Context
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import coil.ImageLoader
+import coil.request.ImageRequest
+import dev.meloda.fast.common.extensions.listenValue
+import dev.meloda.fast.common.extensions.setValue
+import dev.meloda.fast.conversations.model.CreateChatScreenState
+import dev.meloda.fast.data.State
+import dev.meloda.fast.data.UserConfig
+import dev.meloda.fast.data.processState
+import dev.meloda.fast.datastore.UserSettings
+import dev.meloda.fast.domain.FriendsUseCase
+import dev.meloda.fast.domain.GetLocalUserByIdUseCase
+import dev.meloda.fast.domain.MessagesUseCase
+import dev.meloda.fast.domain.util.asPresentation
+import dev.meloda.fast.model.BaseError
+import dev.meloda.fast.network.VkErrorCode
+import dev.meloda.fast.ui.model.api.UiFriend
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.update
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+interface CreateChatViewModel {
+
+    val screenState: StateFlow<CreateChatScreenState>
+    val baseError: StateFlow<BaseError?>
+    val currentOffset: StateFlow<Int>
+    val canPaginate: StateFlow<Boolean>
+
+    val isChatCreated: StateFlow<Int?>
+
+    fun onPaginationConditionsMet()
+    fun onRefresh()
+    fun onErrorConsumed()
+
+    fun toggleFriendSelection(userId: Int)
+
+    fun onTitleTextInputChanged(newTitle: String)
+
+    fun onCreateChatButtonClicked()
+
+    fun onNavigatedBack()
+}
+
+class CreateChatViewModelImpl(
+    private val friendsUseCase: FriendsUseCase,
+    private val messagesUseCase: MessagesUseCase,
+    private val imageLoader: ImageLoader,
+    private val applicationContext: Context,
+    private val getLocalUserByIdUseCase: GetLocalUserByIdUseCase,
+    private val userSettings: UserSettings
+) : CreateChatViewModel, ViewModel() {
+
+    override val screenState = MutableStateFlow(CreateChatScreenState.EMPTY)
+    override val baseError = MutableStateFlow<BaseError?>(null)
+    override val currentOffset = MutableStateFlow(0)
+    override val canPaginate = MutableStateFlow(false)
+
+    override val isChatCreated = MutableStateFlow<Int?>(null)
+
+    private val useContactNames: Boolean = userSettings.useContactNames.value
+
+    init {
+        loadFriends()
+    }
+
+    override fun onPaginationConditionsMet() {
+        currentOffset.update { screenState.value.friends.size }
+        loadFriends()
+    }
+
+    override fun onRefresh() {
+        onErrorConsumed()
+        loadFriends(offset = 0)
+    }
+
+    override fun onErrorConsumed() {
+        baseError.setValue { null }
+    }
+
+    override fun toggleFriendSelection(userId: Int) {
+        val newSelectionList = screenState.value.selectedFriendsIds.toMutableList()
+
+        if (newSelectionList.contains(userId)) {
+            newSelectionList.remove(userId)
+        } else {
+            newSelectionList.add(userId)
+        }
+
+        screenState.setValue { old ->
+            old.copy(selectedFriendsIds = newSelectionList)
+        }
+    }
+
+    override fun onTitleTextInputChanged(newTitle: String) {
+        screenState.setValue { old -> old.copy(chatTitle = newTitle) }
+    }
+
+    override fun onCreateChatButtonClicked() {
+        createChat()
+    }
+
+    override fun onNavigatedBack() {
+        viewModelScope.launch(Dispatchers.Main) {
+            isChatCreated.emit(null)
+        }
+    }
+
+    private fun loadFriends(
+        offset: Int = currentOffset.value
+    ) {
+        friendsUseCase.getFriends(count = LOAD_COUNT, offset = offset)
+            .listenValue(viewModelScope) { state ->
+                state.processState(
+                    error = ::handleError,
+                    success = { response ->
+                        val itemsCountSufficient = response.size == LOAD_COUNT
+                        canPaginate.setValue { itemsCountSufficient }
+
+                        val paginationExhausted = !itemsCountSufficient &&
+                                screenState.value.friends.isNotEmpty()
+
+                        val imagesToPreload =
+                            response.mapNotNull { it.photo100.takeIf { !it.isNullOrEmpty() } }
+
+                        imagesToPreload.forEach { url ->
+                            imageLoader.enqueue(
+                                ImageRequest.Builder(applicationContext)
+                                    .data(url)
+                                    .build()
+                            )
+                        }
+
+                        friendsUseCase.storeUsers(response)
+
+                        val loadedFriends = response.map {
+                            it.asPresentation(useContactNames)
+                        }
+
+                        val newState = screenState.value.copy(
+                            isPaginationExhausted = paginationExhausted
+                        )
+                        if (offset == 0) {
+                            screenState.setValue {
+                                newState.copy(friends = loadedFriends)
+                            }
+                        } else {
+                            screenState.setValue {
+                                newState.copy(
+                                    friends = newState.friends.plus(loadedFriends)
+                                )
+                            }
+                        }
+                    }
+                )
+
+                screenState.setValue { old ->
+                    old.copy(
+                        isLoading = offset == 0 && state.isLoading(),
+                        isPaginating = offset > 0 && state.isLoading()
+                    )
+                }
+            }
+    }
+
+    private fun createChat() {
+        viewModelScope.launch {
+            val title = screenState.value.chatTitle.takeUnless(String::isBlank)
+
+            val accountAsFriend =
+                getLocalUserByIdUseCase.proceed(UserConfig.userId)?.asPresentation(useContactNames)
+
+            val accountList = accountAsFriend?.let(::listOf) ?: emptyList()
+
+            val selectedFriends = screenState.value.selectedFriendsIds
+                .takeIf { it.isNotEmpty() }
+                ?.mapNotNull { userId -> screenState.value.friends.find { it.userId == userId } }
+
+            messagesUseCase.createChat(
+                userIds = selectedFriends?.map { it.userId },
+                title = title
+                    ?: (accountList + selectedFriends.orEmpty()).joinToString(transform = UiFriend::firstName)
+            ).listenValue(viewModelScope) { state ->
+                state.processState(
+                    error = ::handleError,
+                    success = { response ->
+                        withContext(Dispatchers.Main) {
+                            isChatCreated.emit(2_000_000_000 + response)
+                        }
+                    }
+                )
+            }
+        }
+    }
+
+    private fun handleError(error: State.Error) {
+        when (error) {
+            is State.Error.ApiError -> {
+                when (error.errorCode) {
+                    VkErrorCode.USER_AUTHORIZATION_FAILED -> {
+                        baseError.setValue { BaseError.SessionExpired }
+                    }
+
+                    else -> {
+                        baseError.setValue {
+                            BaseError.SimpleError(message = error.errorMessage)
+                        }
+                    }
+                }
+            }
+
+            State.Error.ConnectionError -> {
+                baseError.setValue {
+                    BaseError.SimpleError(message = "Connection error")
+                }
+            }
+
+            State.Error.InternalError -> {
+                baseError.setValue {
+                    BaseError.SimpleError(message = "Internal error")
+                }
+            }
+
+            State.Error.UnknownError -> {
+                baseError.setValue {
+                    BaseError.SimpleError(message = "Unknown error")
+                }
+            }
+
+            else -> Unit
+        }
+    }
+
+    companion object {
+        const val LOAD_COUNT = 30
+    }
+}

feature/createchat/src/main/kotlin/dev/meloda/fast/conversations/di/CreateChatModule.kt

@@ -0,0 +1,9 @@
+package dev.meloda.fast.conversations.di
+
+import dev.meloda.fast.conversations.CreateChatViewModelImpl
+import org.koin.core.module.dsl.viewModelOf
+import org.koin.dsl.module
+
+val createChatModule = module {
+    viewModelOf(::CreateChatViewModelImpl)
+}

feature/createchat/src/main/kotlin/dev/meloda/fast/conversations/model/CreateChatScreenState.kt

@@ -0,0 +1,25 @@
+package dev.meloda.fast.conversations.model
+
+import androidx.compose.runtime.Immutable
+import dev.meloda.fast.ui.model.api.UiFriend
+
+@Immutable
+data class CreateChatScreenState(
+    val isLoading: Boolean,
+    val isPaginating: Boolean,
+    val isPaginationExhausted: Boolean,
+    val friends: List<UiFriend>,
+    val selectedFriendsIds: List<Int>,
+    val chatTitle: String
+) {
+    companion object {
+        val EMPTY: CreateChatScreenState = CreateChatScreenState(
+            isLoading = true,
+            isPaginating = false,
+            isPaginationExhausted = false,
+            friends = emptyList(),
+            selectedFriendsIds = emptyList(),
+            chatTitle = ""
+        )
+    }
+}

feature/createchat/src/main/kotlin/dev/meloda/fast/conversations/navigation/CreateChatNavigation.kt

@@ -0,0 +1,36 @@
+package dev.meloda.fast.conversations.navigation
+
+import androidx.navigation.NavController
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.compose.composable
+import dev.meloda.fast.conversations.CreateChatViewModel
+import dev.meloda.fast.conversations.CreateChatViewModelImpl
+import dev.meloda.fast.conversations.presentation.CreateChatRoute
+import dev.meloda.fast.ui.extensions.sharedViewModel
+import kotlinx.serialization.Serializable
+
+@Serializable
+object CreateChat
+
+fun NavGraphBuilder.createChatScreen(
+    onChatCreated: (Int) -> Unit,
+    navController: NavController,
+) {
+    composable<CreateChat> {
+        val viewModel: CreateChatViewModel =
+            it.sharedViewModel<CreateChatViewModelImpl>(navController = navController)
+
+        CreateChatRoute(
+            onError = {
+
+            },
+            onBack = navController::popBackStack,
+            onChatCreated = onChatCreated,
+            viewModel = viewModel
+        )
+    }
+}
+
+fun NavController.navigateToCreateChat() {
+    this.navigate(CreateChat)
+}

feature/createchat/src/main/kotlin/dev/meloda/fast/conversations/presentation/CreateChatItem.kt

@@ -0,0 +1,110 @@
+package dev.meloda.fast.conversations.presentation
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.Checkbox
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.ColorFilter
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import coil.compose.AsyncImage
+import dev.meloda.fast.ui.R
+import dev.meloda.fast.ui.model.api.UiFriend
+
+
+@Composable
+fun CreateChatItem(
+    modifier: Modifier = Modifier,
+    friend: UiFriend,
+    maxLines: Int,
+    isSelected: Boolean,
+    onItemClicked: (Int) -> Unit
+) {
+    Row(
+        modifier = modifier
+            .fillMaxWidth()
+            .clickable { onItemClicked(friend.userId) }
+            .padding(vertical = 8.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Spacer(modifier = Modifier.width(16.dp))
+
+        val friendAvatar = friend.avatar?.extractUrl()
+
+        Box(modifier = Modifier.size(56.dp)) {
+            if (friendAvatar == null) {
+                Image(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .clip(CircleShape),
+                    painter = painterResource(id = R.drawable.ic_account_circle_cut),
+                    contentDescription = "Avatar",
+                    colorFilter = ColorFilter.tint(MaterialTheme.colorScheme.onBackground)
+                )
+            } else {
+                AsyncImage(
+                    model = friendAvatar,
+                    contentDescription = null,
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .clip(CircleShape),
+                    placeholder = painterResource(id = R.drawable.ic_account_circle_cut)
+                )
+            }
+
+            if (friend.onlineStatus.isOnline()) {
+                Box(
+                    modifier = Modifier
+                        .clip(CircleShape)
+                        .size(18.dp)
+                        .background(MaterialTheme.colorScheme.background)
+                        .padding(2.dp)
+                        .align(Alignment.BottomEnd)
+                ) {
+                    Box(
+                        modifier = Modifier
+                            .clip(CircleShape)
+                            .matchParentSize()
+                            .background(MaterialTheme.colorScheme.primary)
+                    )
+                }
+            }
+        }
+
+        Spacer(modifier = Modifier.width(16.dp))
+
+        Text(
+            text = friend.title,
+            minLines = 1,
+            maxLines = maxLines,
+            style = MaterialTheme.typography.headlineSmall.copy(fontSize = 20.sp),
+            modifier = Modifier.weight(1f)
+        )
+
+        Spacer(modifier = Modifier.width(16.dp))
+
+        Checkbox(
+            checked = isSelected,
+            onCheckedChange = { onItemClicked(friend.userId) },
+        )
+
+        Spacer(modifier = Modifier.width(16.dp))
+    }
+}
+

feature/createchat/src/main/kotlin/dev/meloda/fast/conversations/presentation/CreateChatList.kt

@@ -0,0 +1,101 @@
+package dev.meloda.fast.conversations.presentation
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.navigationBarsPadding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.LazyListState
+import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.rounded.KeyboardArrowUp
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.IconButtonDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.dp
+import dev.meloda.fast.conversations.model.CreateChatScreenState
+import dev.meloda.fast.ui.R
+import dev.meloda.fast.ui.model.api.UiFriend
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+
+@Composable
+fun CreateChatList(
+    screenState: CreateChatScreenState,
+    state: LazyListState,
+    maxLines: Int,
+    modifier: Modifier,
+    padding: PaddingValues,
+    onItemClicked: (Int) -> Unit,
+    onTitleTextInputChanged: (String) -> Unit
+) {
+    val coroutineScope = rememberCoroutineScope()
+
+    LazyColumn(
+        modifier = modifier,
+        state = state
+    ) {
+        item {
+            Spacer(modifier = Modifier.height(padding.calculateTopPadding()))
+
+        }
+        items(
+            items = screenState.friends,
+            key = UiFriend::userId,
+        ) { friend ->
+            CreateChatItem(
+                maxLines = maxLines,
+                modifier = Modifier.animateItem(fadeInSpec = null, fadeOutSpec = null),
+                friend = friend,
+                isSelected = screenState.selectedFriendsIds.contains(friend.userId),
+                onItemClicked = onItemClicked
+            )
+        }
+
+        item {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .animateItem(fadeInSpec = null, fadeOutSpec = null),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                if (screenState.isPaginating) {
+                    CircularProgressIndicator()
+                }
+
+                if (screenState.isPaginationExhausted) {
+                    IconButton(
+                        onClick = {
+                            coroutineScope.launch(Dispatchers.Main) {
+                                state.scrollToItem(14)
+                                state.animateScrollToItem(0)
+                            }
+                        },
+                        colors = IconButtonDefaults.filledIconButtonColors()
+                    ) {
+                        Icon(
+                            imageVector = Icons.Rounded.KeyboardArrowUp,
+                            contentDescription = null
+                        )
+                    }
+                }
+
+                Spacer(modifier = Modifier.height(8.dp))
+                Spacer(modifier = Modifier.navigationBarsPadding())
+            }
+        }
+    }
+}

feature/createchat/src/main/kotlin/dev/meloda/fast/conversations/presentation/CreateChatScreen.kt

@@ -0,0 +1,342 @@
+package dev.meloda.fast.conversations.presentation
+
+import androidx.compose.animation.animateColorAsState
+import androidx.compose.animation.core.animateDpAsState
+import androidx.compose.animation.core.animateFloatAsState
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.background
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.calculateEndPadding
+import androidx.compose.foundation.layout.calculateStartPadding
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.imePadding
+import androidx.compose.foundation.layout.navigationBarsPadding
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.statusBars
+import androidx.compose.foundation.lazy.rememberLazyListState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.rounded.ArrowBack
+import androidx.compose.material.icons.rounded.Done
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExtendedFloatingActionButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.material3.TopAppBar
+import androidx.compose.material3.TopAppBarDefaults
+import androidx.compose.material3.pulltorefresh.PullToRefreshBox
+import androidx.compose.material3.pulltorefresh.PullToRefreshDefaults
+import androidx.compose.material3.pulltorefresh.rememberPullToRefreshState
+import androidx.compose.material3.surfaceColorAtElevation
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.focus.onFocusChanged
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.LayoutDirection
+import androidx.compose.ui.unit.dp
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
+import dev.chrisbanes.haze.hazeEffect
+import dev.chrisbanes.haze.hazeSource
+import dev.chrisbanes.haze.materials.ExperimentalHazeMaterialsApi
+import dev.chrisbanes.haze.materials.HazeMaterials
+import dev.meloda.fast.conversations.CreateChatViewModel
+import dev.meloda.fast.conversations.model.CreateChatScreenState
+import dev.meloda.fast.model.BaseError
+import dev.meloda.fast.ui.components.ErrorView
+import dev.meloda.fast.ui.components.FullScreenLoader
+import dev.meloda.fast.ui.components.IconButton
+import dev.meloda.fast.ui.components.NoItemsView
+import dev.meloda.fast.ui.theme.LocalHazeState
+import dev.meloda.fast.ui.theme.LocalThemeConfig
+import dev.meloda.fast.ui.util.isScrollingUp
+import dev.meloda.fast.ui.R as UiR
+
+@Composable
+fun CreateChatRoute(
+    onError: (BaseError) -> Unit,
+    onBack: () -> Unit,
+    onChatCreated: (Int) -> Unit,
+    viewModel: CreateChatViewModel
+) {
+    val context = LocalContext.current
+
+    val screenState by viewModel.screenState.collectAsStateWithLifecycle()
+    val baseError by viewModel.baseError.collectAsStateWithLifecycle()
+    val canPaginate by viewModel.canPaginate.collectAsStateWithLifecycle()
+    val isChatCreated by viewModel.isChatCreated.collectAsStateWithLifecycle()
+
+    LaunchedEffect(isChatCreated) {
+        if (isChatCreated != null) {
+            onChatCreated(isChatCreated ?: -1)
+            viewModel.onNavigatedBack()
+        }
+    }
+
+    CreateChatScreen(
+        screenState = screenState,
+        baseError = baseError,
+        canPaginate = canPaginate,
+        onSessionExpiredLogOutButtonClicked = { onError(BaseError.SessionExpired) },
+        onPaginationConditionsMet = viewModel::onPaginationConditionsMet,
+        onBack = onBack,
+        onRefresh = viewModel::onRefresh,
+        onCreateChatButtonClicked = viewModel::onCreateChatButtonClicked,
+        onItemClicked = viewModel::toggleFriendSelection,
+        onTitleTextInputChanged = viewModel::onTitleTextInputChanged
+    )
+}
+
+@OptIn(
+    ExperimentalMaterial3Api::class,
+    ExperimentalHazeMaterialsApi::class,
+)
+@Composable
+fun CreateChatScreen(
+    screenState: CreateChatScreenState = CreateChatScreenState.EMPTY,
+    baseError: BaseError? = null,
+    canPaginate: Boolean = false,
+    onSessionExpiredLogOutButtonClicked: () -> Unit = {},
+    onPaginationConditionsMet: () -> Unit = {},
+    onBack: () -> Unit = {},
+    onRefresh: () -> Unit = {},
+    onCreateChatButtonClicked: () -> Unit = {},
+    onItemClicked: (Int) -> Unit = {},
+    onTitleTextInputChanged: (String) -> Unit = {}
+) {
+    val currentTheme = LocalThemeConfig.current
+
+    val maxLines by remember(currentTheme) {
+        mutableIntStateOf(if (currentTheme.enableMultiline) 2 else 1)
+    }
+
+    val listState = rememberLazyListState()
+
+    val paginationConditionMet by remember(canPaginate, listState) {
+        derivedStateOf {
+            canPaginate &&
+                    (listState.layoutInfo.visibleItemsInfo.lastOrNull()?.index
+                        ?: -9) >= (listState.layoutInfo.totalItemsCount - 6)
+        }
+    }
+
+    LaunchedEffect(paginationConditionMet) {
+        if (paginationConditionMet && !screenState.isPaginating) {
+            onPaginationConditionsMet()
+        }
+    }
+
+    val hazeState = LocalHazeState.current
+
+    val toolbarColorAlpha by animateFloatAsState(
+        targetValue = if (!listState.canScrollBackward) 1f else 0f,
+        label = "toolbarColorAlpha",
+        animationSpec = tween(durationMillis = 50)
+    )
+
+    val toolbarContainerColor by animateColorAsState(
+        targetValue =
+            if (currentTheme.enableBlur || !listState.canScrollBackward)
+                MaterialTheme.colorScheme.surface
+            else
+                MaterialTheme.colorScheme.surfaceColorAtElevation(3.dp),
+        label = "toolbarColorAlpha",
+        animationSpec = tween(durationMillis = 50)
+    )
+
+    Scaffold(
+        modifier = Modifier.fillMaxSize(),
+        contentWindowInsets = WindowInsets.statusBars,
+        topBar = {
+            Column(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .background(
+                        toolbarContainerColor.copy(
+                            alpha = if (currentTheme.enableBlur) toolbarColorAlpha else 1f
+                        )
+                    )
+                    .then(
+                        if (currentTheme.enableBlur) {
+                            Modifier.hazeEffect(
+                                state = hazeState,
+                                style = HazeMaterials.thick()
+                            )
+                        } else Modifier
+                    )
+            ) {
+                TopAppBar(
+                    navigationIcon = {
+                        IconButton(onClick = onBack) {
+                            Icon(
+                                imageVector = Icons.AutoMirrored.Rounded.ArrowBack,
+                                contentDescription = null
+                            )
+                        }
+                    },
+                    title = {
+                        Text(
+                            text = stringResource(
+                                id = if (screenState.isLoading) UiR.string.title_loading
+                                else UiR.string.title_create_chat
+                            ),
+                            maxLines = 1,
+                            overflow = TextOverflow.Ellipsis,
+                            style = MaterialTheme.typography.headlineSmall
+                        )
+                    },
+                    colors = TopAppBarDefaults.topAppBarColors(
+                        containerColor = toolbarContainerColor.copy(
+                            alpha = 0f
+                        )
+                    ),
+                    modifier = Modifier.fillMaxWidth(),
+                )
+
+                var isTextFieldFocused by remember {
+                    mutableStateOf(false)
+                }
+
+                val borderWidth by animateDpAsState(if (isTextFieldFocused) 1.5.dp else 0.dp)
+                val borderColor by animateColorAsState(
+                    if (isTextFieldFocused) MaterialTheme.colorScheme.primary
+                    else Color.Transparent
+                )
+
+                TextField(
+                    modifier = Modifier
+                        .height(58.dp)
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp)
+                        .border(
+                            borderWidth,
+                            borderColor,
+                            RoundedCornerShape(16.dp)
+                        )
+                        .clip(RoundedCornerShape(16.dp))
+                        .onFocusChanged { isTextFieldFocused = it.hasFocus },
+                    value = screenState.chatTitle,
+                    onValueChange = onTitleTextInputChanged,
+                    label = { Text(text = stringResource(UiR.string.create_chat_title)) },
+                    placeholder = { Text(text = stringResource(UiR.string.create_chat_title)) },
+                    singleLine = true,
+                    colors = TextFieldDefaults.colors(
+                        unfocusedIndicatorColor = Color.Transparent,
+                        focusedIndicatorColor = Color.Transparent,
+                    )
+                )
+                Spacer(Modifier.height(16.dp))
+            }
+        },
+        floatingActionButton = {
+            if (baseError == null) {
+                Column(
+                    modifier = Modifier
+                        .imePadding()
+                        .navigationBarsPadding()
+                ) {
+                    ExtendedFloatingActionButton(
+                        onClick = onCreateChatButtonClicked,
+                        expanded = listState.isScrollingUp(),
+                        text = { Text(text = stringResource(UiR.string.action_create)) },
+                        icon = {
+                            Icon(
+                                imageVector = Icons.Rounded.Done,
+                                contentDescription = null
+                            )
+                        }
+                    )
+                }
+            }
+        }
+    ) { padding ->
+        when {
+            baseError != null -> {
+                when (baseError) {
+                    is BaseError.SessionExpired -> {
+                        ErrorView(
+                            text = stringResource(UiR.string.session_expired),
+                            buttonText = stringResource(UiR.string.action_log_out),
+                            onButtonClick = onSessionExpiredLogOutButtonClicked
+                        )
+                    }
+
+                    is BaseError.SimpleError -> {
+                        ErrorView(
+                            text = baseError.message,
+                            buttonText = stringResource(UiR.string.try_again),
+                            onButtonClick = onRefresh
+                        )
+                    }
+                }
+            }
+
+            screenState.isLoading && screenState.friends.isEmpty() -> FullScreenLoader()
+
+            else -> {
+                val pullToRefreshState = rememberPullToRefreshState()
+
+                PullToRefreshBox(
+                    modifier = Modifier
+                        .fillMaxSize()
+                        .padding(start = padding.calculateStartPadding(LayoutDirection.Ltr))
+                        .padding(end = padding.calculateEndPadding(LayoutDirection.Ltr))
+                        .padding(bottom = padding.calculateBottomPadding()),
+                    state = pullToRefreshState,
+                    isRefreshing = screenState.isLoading,
+                    onRefresh = onRefresh,
+                    indicator = {
+                        PullToRefreshDefaults.Indicator(
+                            state = pullToRefreshState,
+                            isRefreshing = screenState.isLoading,
+                            modifier = Modifier
+                                .align(Alignment.TopCenter)
+                                .padding(top = padding.calculateTopPadding()),
+                        )
+                    }
+                ) {
+                    CreateChatList(
+                        screenState = screenState,
+                        state = listState,
+                        maxLines = maxLines,
+                        modifier = if (currentTheme.enableBlur) {
+                            Modifier.hazeSource(state = hazeState)
+                        } else {
+                            Modifier
+                        }.fillMaxSize(),
+                        padding = padding,
+                        onItemClicked = onItemClicked,
+                        onTitleTextInputChanged = onTitleTextInputChanged
+                    )
+
+                    if (screenState.friends.isEmpty()) {
+                        NoItemsView(
+                            buttonText = stringResource(UiR.string.action_refresh),
+                            onButtonClick = onRefresh
+                        )
+                    }
+                }
+            }
+        }
+    }
+}

feature/friends/src/main/kotlin/dev/meloda/fast/friends/FriendsViewModel.kt

@@ -9,8 +9,8 @@ import dev.meloda.fast.data.processState
 import dev.meloda.fast.datastore.UserSettings
 import dev.meloda.fast.domain.FriendsUseCase
 import dev.meloda.fast.domain.LoadUsersByIdsUseCase
+import dev.meloda.fast.domain.util.asPresentation
 import dev.meloda.fast.friends.model.FriendsScreenState
-import dev.meloda.fast.friends.util.asPresentation
 import dev.meloda.fast.model.BaseError
 import dev.meloda.fast.model.api.domain.VkUser
 import dev.meloda.fast.network.VkErrorCode

feature/friends/src/main/kotlin/dev/meloda/fast/friends/model/FriendsScreenState.kt

@@ -1,6 +1,7 @@
 package dev.meloda.fast.friends.model
 
 import androidx.compose.runtime.Immutable
+import dev.meloda.fast.ui.model.api.UiFriend
 
 @Immutable
 data class FriendsScreenState(

feature/friends/src/main/kotlin/dev/meloda/fast/friends/presentation/FriendItem.kt

@@ -27,8 +27,8 @@ import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import coil.compose.AsyncImage
-import dev.meloda.fast.friends.model.UiFriend
 import dev.meloda.fast.ui.R
+import dev.meloda.fast.ui.model.api.UiFriend
 
 @Composable
 fun FriendItem(

feature/friends/src/main/kotlin/dev/meloda/fast/friends/presentation/FriendsList.kt

@@ -22,8 +22,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import dev.meloda.fast.friends.model.FriendsScreenState
-import dev.meloda.fast.friends.model.UiFriend
+import dev.meloda.fast.ui.model.api.UiFriend
-import dev.meloda.fast.ui.theme.LocalBottomPadding
 import dev.meloda.fast.ui.util.ImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -49,8 +48,6 @@ fun FriendsList(
 
     val friends = uiFriends.toList()
 
-    val bottomPadding = LocalBottomPadding.current
-
     LazyColumn(
         modifier = modifier,
         state = listState

feature/messageshistory/src/main/kotlin/dev/meloda/fast/messageshistory/MessagesHistoryViewModel.kt

@@ -29,6 +29,7 @@ import dev.meloda.fast.messageshistory.navigation.MessagesHistory
 import dev.meloda.fast.messageshistory.util.asPresentation
 import dev.meloda.fast.messageshistory.util.extractAvatar
 import dev.meloda.fast.messageshistory.util.extractTitle
+import dev.meloda.fast.messageshistory.util.findMessageById
 import dev.meloda.fast.model.BaseError
 import dev.meloda.fast.model.LongPollEvent
 import dev.meloda.fast.model.api.domain.VkAttachment
@@ -160,7 +161,9 @@ class MessagesHistoryViewModelImpl(
         val message = event.message
 
         Log.d("MessagesHistoryViewModel", "handleNewMessage: $message")
+
         if (message.peerId != screenState.value.conversationId) return
+        if (screenState.value.messages.findMessageById(message.id) != null) return
 
         val randomIds = messages.value.map(VkMessage::randomId)
         if (message.randomId != 0 && message.randomId in randomIds) return

feature/messageshistory/src/main/kotlin/dev/meloda/fast/messageshistory/presentation/MessagesHistoryScreen.kt

@@ -282,6 +282,7 @@ fun MessagesHistoryScreen(
 
                                     // TODO: 11/07/2024, Danil Nikolaev: to VM
 
+                                    // TODO: 23-Mar-25, Danil Nikolaev: crash if not messages (ex. new chat)
                                     onChatMaterialsDropdownItemClicked(
                                         screenState.conversationId,
                                         screenState.messages.firstMessage().conversationMessageId

feature/messageshistory/src/main/kotlin/dev/meloda/fast/messageshistory/util/Ext.kt

@@ -4,11 +4,13 @@ import dev.meloda.fast.messageshistory.model.UiItem
 
 fun List<UiItem>.firstMessage(): UiItem.Message = filterIsInstance<UiItem.Message>().first()
 
+fun List<UiItem>.firstMessageOrNull(): UiItem.Message? = filterIsInstance<UiItem.Message>().firstOrNull()
+
 fun List<UiItem>.indexOfMessageById(messageId: Int): Int =
     indexOfFirst { it.id == messageId }
 
-fun List<UiItem>.findMessageById(messageId: Int): UiItem.Message =
+fun List<UiItem>.findMessageById(messageId: Int): UiItem.Message? =
-    first { it.id == messageId } as UiItem.Message
+    firstOrNull { it.id == messageId } as UiItem.Message?
 
 fun List<UiItem>.indexOfMessageByCmId(cmId: Int): Int =
     indexOfFirst { it.cmId == cmId }

settings.gradle.kts

@@ -19,13 +19,16 @@ dependencyResolutionManagement {
 rootProject.name = "fast-messenger"
 
 include(":app")
+
 include(":core:network")
 include(":core:data")
 include(":core:database")
 include(":core:datastore")
 include(":core:ui")
 include(":core:common")
+include(":core:domain")
 include(":core:model")
+
 include(":feature:messageshistory")
 include(":feature:conversations")
 include(":feature:auth")
@@ -35,4 +38,5 @@ include(":feature:photoviewer")
 include(":feature:settings")
 include(":feature:friends")
 include(":feature:profile")
-include(":core:domain")
+include(":feature:createchat")
+include(":core:presentation")