messages pin & unpin feature

fix avatars and titles
visual improvements
other bugfixes & minor changes

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

@@ -10,27 +10,28 @@ import kotlinx.parcelize.Parcelize
 @Parcelize
 data class VkConversation(
     @PrimaryKey(autoGenerate = false)
-    val id: Int,
+    var id: Int,
-    val ownerId: Int?,
+    var ownerId: Int?,
-    val title: String?,
+    var title: String?,
-    val photo200: String?,
+    var photo200: String?,
-    val type: String,
+    var type: String,
-    val callInProgress: Boolean,
+    var callInProgress: Boolean,
-    val isPhantom: Boolean,
+    var isPhantom: Boolean,
-    val lastConversationMessageId: Int,
+    var lastConversationMessageId: Int,
-    val inRead: Int,
+    var inRead: Int,
-    val outRead: Int,
+    var outRead: Int,
-    val isMarkedUnread: Boolean,
+    var isMarkedUnread: Boolean,
-    val lastMessageId: Int,
+    var lastMessageId: Int,
-    val unreadCount: Int?,
+    var unreadCount: Int?,
-    val membersCount: Int?,
+    var membersCount: Int?,
-    val isPinned: Boolean,
+    var isPinned: Boolean,
+    var canChangePin: Boolean,
 
     @Embedded(prefix = "pinnedMessage_")
     var pinnedMessage: VkMessage? = null,
 
     @Embedded(prefix = "lastMessage_")
-    var lastMessage: VkMessage? = null
+    var lastMessage: VkMessage? = null,
 ) : Parcelable {
 
     fun isChat() = type == "chat"

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

@@ -4,8 +4,10 @@ import androidx.lifecycle.MutableLiveData
 import androidx.room.Entity
 import androidx.room.Ignore
 import androidx.room.PrimaryKey
+import com.meloda.fast.api.UserConfig
 import com.meloda.fast.api.model.attachments.VkAttachment
 import com.meloda.fast.base.adapter.SelectableItem
+import com.meloda.fast.util.TimeUtils
 import kotlinx.parcelize.IgnoredOnParcel
 import kotlinx.parcelize.Parcelize
 
@@ -58,6 +60,10 @@ data class VkMessage(
         return Action.parse(action)
     }
 
+    fun canEdit() =
+        fromId == UserConfig.userId &&
+                (System.currentTimeMillis() / 1000 - date.toLong() < TimeUtils.ONE_DAY_IN_SECONDS)
+
     fun copyMessage(
         id: Int = this.id,
         text: String? = this.text,

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

@@ -40,7 +40,8 @@ data class BaseVkConversation(
         unreadCount = unread_count,
         membersCount = chat_settings?.members_count,
         ownerId = chat_settings?.owner_id,
-        isPinned = sort_id.major_id > 0
+        isPinned = sort_id.major_id > 0,
+        canChangePin = chat_settings?.acl?.can_change_pin == true
     ).apply {
         this.lastMessage = lastMessage
         this.pinnedMessage = chat_settings?.pinned_message?.asVkMessage()

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

@@ -70,6 +70,28 @@ data class MessagesMarkAsImportantRequest(
 
 }
 
+@Parcelize
+data class MessagesPinMessageRequest(
+    val peerId: Int,
+    val messageId: Int? = null,
+    val conversationMessageId: Int? = null
+) : Parcelable {
+
+    val map
+        get() = mutableMapOf(
+            "peer_id" to peerId.toString()
+        ).apply {
+            messageId?.let { this["message_id"] = it.toString() }
+            conversationMessageId?.let { this["conversation_message_id"] = it.toString() }
+        }
+
+}
+
+@Parcelize
+data class MessagesUnPinMessageRequest(val peerId: Int) : Parcelable {
+    val map get() = mutableMapOf("peer_id" to peerId.toString())
+}
+
 @Parcelize
 data class MessagesGetLongPollServerRequest(
     val needPts: Boolean,

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

@@ -1,6 +1,6 @@
 package com.meloda.fast.api.network
 
-object VKUrls {
+object VkUrls {
 
     const val OAUTH = "https://oauth.vk.com"
     const val API = "https://api.vk.com/method"
@@ -22,6 +22,8 @@ object VKUrls {
         const val GetHistory = "$API/messages.getHistory"
         const val Send = "$API/messages.send"
         const val MarkAsImportant = "$API/messages.markAsImportant"
+        const val Pin = "$API/messages.pin"
+        const val Unpin = "$API/messages.unpin"
         const val GetLongPollServer = "$API/messages.getLongPollServer"
         const val GetLongPollHistory = "$API/messages.getLongPollHistory"
     }

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

@@ -1,10 +1,7 @@
 package com.meloda.fast.api.network.datasource
 
 import com.meloda.fast.api.model.VkMessage
-import com.meloda.fast.api.model.request.MessagesGetHistoryRequest
+import com.meloda.fast.api.model.request.*
-import com.meloda.fast.api.model.request.MessagesGetLongPollServerRequest
-import com.meloda.fast.api.model.request.MessagesMarkAsImportantRequest
-import com.meloda.fast.api.model.request.MessagesSendRequest
 import com.meloda.fast.api.network.repo.MessagesRepo
 import com.meloda.fast.database.dao.MessagesDao
 import javax.inject.Inject
@@ -26,8 +23,14 @@ class MessagesDataSource @Inject constructor(
     suspend fun getLongPollServer(params: MessagesGetLongPollServerRequest) =
         repo.getLongPollServer(params.map)
 
-    suspend fun storeMessages(messages: List<VkMessage>) = dao.insert(messages)
+    suspend fun pin(params: MessagesPinMessageRequest) =
+        repo.pin(params.map)
 
-    suspend fun getCachedMessages(peerId: Int) = dao.getByPeerId(peerId)
+    suspend fun unpin(params: MessagesUnPinMessageRequest) =
+        repo.unpin(params.map)
+
+    suspend fun store(messages: List<VkMessage>) = dao.insert(messages)
+
+    suspend fun getCached(peerId: Int) = dao.getByPeerId(peerId)
 
 }

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

@@ -1,6 +1,6 @@
 package com.meloda.fast.api.network.repo
 
-import com.meloda.fast.api.network.VKUrls
+import com.meloda.fast.api.network.VkUrls
 import com.meloda.fast.api.model.response.ResponseAuthDirect
 import com.meloda.fast.api.network.Answer
 import com.meloda.fast.api.model.response.ResponseSendSms
@@ -8,10 +8,10 @@ import retrofit2.http.*
 
 interface AuthRepo {
 
-    @GET(VKUrls.Auth.DirectAuth)
+    @GET(VkUrls.Auth.DirectAuth)
     suspend fun auth(@QueryMap param: Map<String, String?>): Answer<ResponseAuthDirect>
 
-    @GET(VKUrls.Auth.SendSms)
+    @GET(VkUrls.Auth.SendSms)
     suspend fun sendSms(@Query("sid") validationSid: String): Answer<ResponseSendSms>
 
 }

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

@@ -2,7 +2,7 @@ package com.meloda.fast.api.network.repo
 
 import com.meloda.fast.api.base.ApiResponse
 import com.meloda.fast.api.network.Answer
-import com.meloda.fast.api.network.VKUrls
+import com.meloda.fast.api.network.VkUrls
 import com.meloda.fast.api.model.response.ConversationsGetResponse
 import retrofit2.http.FieldMap
 import retrofit2.http.FormUrlEncoded
@@ -11,7 +11,7 @@ import retrofit2.http.POST
 interface ConversationsRepo {
 
     @FormUrlEncoded
-    @POST(VKUrls.Conversations.Get)
+    @POST(VkUrls.Conversations.Get)
     suspend fun getAllChats(@FieldMap params: Map<String, String>): Answer<ApiResponse<ConversationsGetResponse>>
 
 }

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

@@ -2,9 +2,10 @@ package com.meloda.fast.api.network.repo
 
 import com.meloda.fast.api.base.ApiResponse
 import com.meloda.fast.api.model.base.BaseVkLongPoll
+import com.meloda.fast.api.model.base.BaseVkMessage
 import com.meloda.fast.api.model.response.MessagesGetHistoryResponse
 import com.meloda.fast.api.network.Answer
-import com.meloda.fast.api.network.VKUrls
+import com.meloda.fast.api.network.VkUrls
 import retrofit2.http.FieldMap
 import retrofit2.http.FormUrlEncoded
 import retrofit2.http.POST
@@ -12,19 +13,27 @@ import retrofit2.http.POST
 interface MessagesRepo {
 
     @FormUrlEncoded
-    @POST(VKUrls.Messages.GetHistory)
+    @POST(VkUrls.Messages.GetHistory)
     suspend fun getHistory(@FieldMap params: Map<String, String>): Answer<ApiResponse<MessagesGetHistoryResponse>>
 
     @FormUrlEncoded
-    @POST(VKUrls.Messages.Send)
+    @POST(VkUrls.Messages.Send)
     suspend fun send(@FieldMap params: Map<String, String>): Answer<ApiResponse<Int>>
 
     @FormUrlEncoded
-    @POST(VKUrls.Messages.MarkAsImportant)
+    @POST(VkUrls.Messages.MarkAsImportant)
     suspend fun markAsImportant(@FieldMap params: Map<String, String>): Answer<ApiResponse<List<Int>>>
 
     @FormUrlEncoded
-    @POST(VKUrls.Messages.GetLongPollServer)
+    @POST(VkUrls.Messages.GetLongPollServer)
     suspend fun getLongPollServer(@FieldMap params: Map<String, String>): Answer<ApiResponse<BaseVkLongPoll>>
 
+    @FormUrlEncoded
+    @POST(VkUrls.Messages.Pin)
+    suspend fun pin(@FieldMap params: Map<String, String>): Answer<ApiResponse<BaseVkMessage>>
+
+    @FormUrlEncoded
+    @POST(VkUrls.Messages.Unpin)
+    suspend fun unpin(@FieldMap params: Map<String, String>): Answer<ApiResponse<Any>>
+
 }

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

@@ -3,7 +3,7 @@ package com.meloda.fast.api.network.repo
 import com.meloda.fast.api.base.ApiResponse
 import com.meloda.fast.api.model.base.BaseVkUser
 import com.meloda.fast.api.network.Answer
-import com.meloda.fast.api.network.VKUrls
+import com.meloda.fast.api.network.VkUrls
 import retrofit2.http.FieldMap
 import retrofit2.http.FormUrlEncoded
 import retrofit2.http.POST
@@ -11,7 +11,7 @@ import retrofit2.http.POST
 interface UsersRepo {
 
     @FormUrlEncoded
-    @POST(VKUrls.Users.GetById)
+    @POST(VkUrls.Users.GetById)
     suspend fun getById(
         @FieldMap params: Map<String, String>?
     ): Answer<ApiResponse<List<BaseVkUser>>>

app/src/main/kotlin/com/meloda/fast/base/BaseViewModelFragment.kt

@@ -11,7 +11,7 @@ import com.meloda.fast.activity.MainActivity
 import com.meloda.fast.api.UserConfig
 import com.meloda.fast.base.viewmodel.BaseViewModel
 import com.meloda.fast.base.viewmodel.IllegalTokenEvent
-import com.meloda.fast.base.viewmodel.VKEvent
+import com.meloda.fast.base.viewmodel.VkEvent
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.flow.onEach
 
@@ -30,7 +30,7 @@ abstract class BaseViewModelFragment<VM : BaseViewModel> : BaseFragment {
         }
     }
 
-    protected open fun onEvent(event: VKEvent) {
+    protected open fun onEvent(event: VkEvent) {
         if (event is IllegalTokenEvent) {
             Toast.makeText(
                 requireContext(), R.string.authorization_failed, Toast.LENGTH_LONG

app/src/main/kotlin/com/meloda/fast/base/viewmodel/BaseViewModel.kt

@@ -15,7 +15,7 @@ abstract class BaseViewModel : ViewModel() {
 
     var unknownErrorDefaultText: String = ""
 
-    protected val tasksEventChannel = Channel<VKEvent>()
+    protected val tasksEventChannel = Channel<VkEvent>()
     val tasksEvent = tasksEventChannel.receiveAsFlow()
 
     protected fun <T> makeJob(
@@ -25,22 +25,35 @@ abstract class BaseViewModel : ViewModel() {
         onEnd: (suspend () -> Unit)? = null,
         onError: (suspend (Throwable) -> Unit)? = null
     ) = viewModelScope.launch {
-        onStart?.invoke()
+        onStart?.invoke() ?: onStart()
         when (val response = job()) {
             is Answer.Success -> onAnswer(response.data)
             is Answer.Error -> {
                 checkErrors(response.throwable)
-                onError?.invoke(response.throwable) ?: sendEvent(
+                onError?.invoke(response.throwable) ?: onError(response.throwable)
-                    ErrorEvent(
+            }
-                        response.throwable.message
+        }
-                            ?: unknownErrorDefaultText
+    }.also {
-                    )
+        it.invokeOnCompletion {
-                )
+            viewModelScope.launch {
+                onEnd?.invoke() ?: onStop()
+            }
         }
     }
-    }.also { it.invokeOnCompletion { viewModelScope.launch { onEnd?.invoke() } } }
 
-    protected suspend fun <T : VKEvent> sendEvent(event: T) = tasksEventChannel.send(event)
+    protected suspend fun onStart() {
+        sendEvent(StartProgressEvent)
+    }
+
+    protected suspend fun onStop() {
+        sendEvent(StopProgressEvent)
+    }
+
+    protected suspend fun onError(throwable: Throwable) {
+        sendEvent(ErrorEvent(throwable.message ?: unknownErrorDefaultText))
+    }
+
+    protected suspend fun <T : VkEvent> sendEvent(event: T) = tasksEventChannel.send(event)
 
     private suspend fun checkErrors(throwable: Throwable) {
         when (throwable) {

app/src/main/kotlin/com/meloda/fast/base/viewmodel/Events.kt

@@ -5,15 +5,15 @@ data class ShowDialogInfoEvent(
     val message: String,
     val positiveBtn: String? = null,
     val negativeBtn: String? = null
-) : VKEvent()
+) : VkEvent()
 
-data class ErrorEvent(val errorText: String) : VKEvent()
+data class ErrorEvent(val errorText: String) : VkEvent()
 
-object IllegalTokenEvent : VKEvent()
+object IllegalTokenEvent : VkEvent()
-data class CaptchaEvent(val sid: String, val image: String) : VKEvent()
+data class CaptchaEvent(val sid: String, val image: String) : VkEvent()
-data class ValidationEvent(val sid: String) : VKEvent()
+data class ValidationEvent(val sid: String) : VkEvent()
 
-object StartProgressEvent : VKEvent()
+object StartProgressEvent : VkEvent()
-object StopProgressEvent : VKEvent()
+object StopProgressEvent : VkEvent()
 
-abstract class VKEvent
+abstract class VkEvent

app/src/main/kotlin/com/meloda/fast/database/AppDatabase.kt

@@ -19,7 +19,7 @@ import com.meloda.fast.database.dao.UsersDao
         VkUser::class,
         VkGroup::class
     ],
-    version = 25,
+    version = 26,
     exportSchema = false,
 )
 @TypeConverters(Converters::class)

app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsFragment.kt

@@ -24,7 +24,7 @@ import com.meloda.fast.api.model.VkConversation
 import com.meloda.fast.base.BaseViewModelFragment
 import com.meloda.fast.base.viewmodel.StartProgressEvent
 import com.meloda.fast.base.viewmodel.StopProgressEvent
-import com.meloda.fast.base.viewmodel.VKEvent
+import com.meloda.fast.base.viewmodel.VkEvent
 import com.meloda.fast.common.AppGlobal
 import com.meloda.fast.common.AppSettings
 import com.meloda.fast.common.dataStore
@@ -185,7 +185,7 @@ class ConversationsFragment :
             .show()
     }
 
-    override fun onEvent(event: VKEvent) {
+    override fun onEvent(event: VkEvent) {
         super.onEvent(event)
         when (event) {
             is ConversationsLoaded -> refreshConversations(event)

app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsViewModel.kt

@@ -11,9 +11,7 @@ import com.meloda.fast.api.model.request.UsersGetRequest
 import com.meloda.fast.api.network.datasource.ConversationsDataSource
 import com.meloda.fast.api.network.datasource.UsersDataSource
 import com.meloda.fast.base.viewmodel.BaseViewModel
-import com.meloda.fast.base.viewmodel.StartProgressEvent
+import com.meloda.fast.base.viewmodel.VkEvent
-import com.meloda.fast.base.viewmodel.StopProgressEvent
-import com.meloda.fast.base.viewmodel.VKEvent
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -66,13 +64,8 @@ class ConversationsViewModel @Inject constructor(
                         )
                     )
                 }
-            },
+            }
-            onError = {
+        )
-                val er = it
-                throw it
-            },
-            onStart = { sendEvent(StartProgressEvent) },
-            onEnd = { sendEvent(StopProgressEvent) })
     }
 
     fun loadProfileUser() = viewModelScope.launch {
@@ -95,4 +88,4 @@ data class ConversationsLoaded(
     val conversations: List<VkConversation>,
     val profiles: HashMap<Int, VkUser>,
     val groups: HashMap<Int, VkGroup>
-) : VKEvent()
+) : VkEvent()

app/src/main/kotlin/com/meloda/fast/screens/login/LoginFragment.kt

@@ -70,7 +70,7 @@ class LoginFragment : BaseViewModelFragment<LoginViewModel>(R.layout.fragment_lo
         binding.loginInput.clearFocus()
     }
 
-    override fun onEvent(event: VKEvent) {
+    override fun onEvent(event: VkEvent) {
         super.onEvent(event)
 
         when (event) {

app/src/main/kotlin/com/meloda/fast/screens/login/LoginViewModel.kt

@@ -51,26 +51,25 @@ class LoginViewModel @Inject constructor(
                 sendEvent(SuccessAuth())
             },
             onError = {
-                if (it !is VKException) return@makeJob
+                if (it !is VKException) {
+                    onError(it)
+                    return@makeJob
+                }
 
                 // TODO: 9/27/2021 use `delay` parameter
                 twoFaCode?.let { sendEvent(CodeSent) }
-            },
+            }
-            onStart = { sendEvent(StartProgressEvent) },
-            onEnd = { sendEvent(StopProgressEvent) }
         )
     }
 
     fun sendSms(validationSid: String) = viewModelScope.launch {
         makeJob({ dataSource.sendSms(validationSid) },
-            onAnswer = { sendEvent(CodeSent) },
+            onAnswer = { sendEvent(CodeSent) }
-            onError = {},
+        )
-            onStart = {},
-            onEnd = {})
     }
 
 }
 
-object CodeSent : VKEvent()
+object CodeSent : VkEvent()
 
-data class SuccessAuth(val haveAuthorized: Boolean = true) : VKEvent()
+data class SuccessAuth(val haveAuthorized: Boolean = true) : VkEvent()

app/src/main/kotlin/com/meloda/fast/screens/messages/AttachmentInflater.kt

@@ -45,6 +45,13 @@ class AttachmentInflater constructor(
     private val playColor = ContextCompat.getColor(context, R.color.a3_700)
     private val playBackgroundColor = ContextCompat.getColor(context, R.color.a3_200)
 
+    var photoClickListener: ((url: String) -> Unit)? = null
+
+    fun setPhotoClickListener(unit: ((url: String) -> Unit)?): AttachmentInflater {
+        this.photoClickListener = unit
+        return this
+    }
+
     fun inflate() {
         if (message.attachments.isNullOrEmpty()) return
         attachments = message.attachments!!
@@ -114,6 +121,12 @@ class AttachmentInflater constructor(
             scaleType = ImageView.ScaleType.CENTER_CROP
         }
 
+        if (photoClickListener != null) {
+            newPhoto.setOnClickListener { photoClickListener?.invoke(size.url) }
+        } else {
+            newPhoto.setOnClickListener(null)
+        }
+
         val spacer = Space(context).also {
             it.layoutParams = LinearLayoutCompat.LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT,

app/src/main/kotlin/com/meloda/fast/screens/messages/MessagesHistoryAdapter.kt

@@ -6,6 +6,7 @@ import android.graphics.drawable.ColorDrawable
 import android.view.View
 import android.view.ViewGroup
 import android.widget.AdapterView
+import android.widget.Toast
 import androidx.appcompat.widget.LinearLayoutCompat
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.DiffUtil
@@ -16,6 +17,7 @@ import com.meloda.fast.api.model.VkConversation
 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.attachments.VkAttachment
 import com.meloda.fast.api.model.attachments.VkPhoto
 import com.meloda.fast.base.adapter.BaseAdapter
 import com.meloda.fast.base.adapter.BaseHolder
@@ -36,6 +38,8 @@ class MessagesHistoryAdapter constructor(
 
     var onItemClickListener: ((position: Int, view: View) -> Unit)? = null
 
+    var attachmentClickListener: ((attachment: VkAttachment) -> Unit)? = null
+
     override fun getItemViewType(position: Int): Int {
         when {
             isPositionHeader(position) -> return HEADER
@@ -123,6 +127,8 @@ class MessagesHistoryAdapter constructor(
                 prevMessage = prevMessage,
                 nextMessage = nextMessage,
 
+                title = binding.title,
+
                 avatar = binding.avatar,
                 bubble = binding.bubble,
                 text = binding.text,
@@ -133,7 +139,9 @@ class MessagesHistoryAdapter constructor(
 
                 profiles = profiles,
                 groups = groups
-            ).prepare()
+            ).setPhotoClickListener {
+                Toast.makeText(context, "Photo url: $it", Toast.LENGTH_LONG).show()
+            }.prepare()
         }
     }
 

app/src/main/kotlin/com/meloda/fast/screens/messages/MessagesHistoryFragment.kt

@@ -27,10 +27,9 @@ import com.meloda.fast.api.model.VkUser
 import com.meloda.fast.base.BaseViewModelFragment
 import com.meloda.fast.base.viewmodel.StartProgressEvent
 import com.meloda.fast.base.viewmodel.StopProgressEvent
-import com.meloda.fast.base.viewmodel.VKEvent
+import com.meloda.fast.base.viewmodel.VkEvent
 import com.meloda.fast.databinding.FragmentMessagesHistoryBinding
 import com.meloda.fast.extensions.TextViewExtensions.clear
-import com.meloda.fast.extensions.isNotVisible
 import com.meloda.fast.util.AndroidUtils
 import com.meloda.fast.util.TimeUtils
 import dagger.hilt.android.AndroidEntryPoint
@@ -49,7 +48,7 @@ class MessagesHistoryFragment :
     private val action = MutableLiveData<Action>()
 
     private enum class Action {
-        RECORD, SEND
+        RECORD, SEND, EDIT
     }
 
     private val user: VkUser? by lazy {
@@ -71,14 +70,15 @@ class MessagesHistoryFragment :
         }
     }
 
-    private val replyMessage = MutableLiveData<VkMessage?>()
-    private val isAttachmentPanelVisible = MutableLiveData(false)
-
     private var timestampTimer: Timer? = null
 
+    private lateinit var attachmentController: AttachmentPanelController
+
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
+        attachmentController = AttachmentPanelController().init()
+
         val title = when {
             conversation.isChat() -> conversation.title
             conversation.isUser() -> user?.toString()
@@ -167,8 +167,11 @@ class MessagesHistoryFragment :
                 it.toString().isNotBlank()
 
             val newValue =
-                if (canSend) Action.SEND
+                when {
-                else Action.RECORD
+                    attachmentController.isEditing -> Action.EDIT
+                    canSend -> Action.SEND
+                    else -> Action.RECORD
+                }
 
             if (action.value != newValue) action.value = newValue
         }
@@ -193,30 +196,21 @@ class MessagesHistoryFragment :
                 Action.SEND -> {
                     binding.action.setImageResource(R.drawable.ic_round_send_24)
                 }
+                Action.EDIT -> {
+                    binding.action.setImageResource(R.drawable.ic_round_done_24)
+                }
                 else -> return@observe
             }
         }
 
-        isAttachmentPanelVisible.observe(viewLifecycleOwner) {
+        attachmentController.isPanelVisible.observe(viewLifecycleOwner) {
             val layoutParams = binding.refreshLayout.layoutParams as CoordinatorLayout.LayoutParams
             layoutParams.bottomMargin =
                 if (it) (binding.attachmentPanel.height / 1.5).roundToInt() else 0
         }
 
-        hideAttachmentPanel(duration = 1)
-
-        binding.avatar.setOnClickListener {
-            val isShown = binding.attachmentPanel.isVisible
-
-            if (isShown) {
-                hideAttachmentPanel()
-            } else {
-                showAttachmentPanel()
-            }
-        }
-
         binding.attachmentPanel.setOnClickListener c@{
-            val message = replyMessage.value ?: return@c
+            val message = attachmentController.message.value ?: return@c
 
             val index = adapter.values.indexOf(message)
             if (index == -1) return@c
@@ -225,9 +219,8 @@ class MessagesHistoryFragment :
         }
 
         binding.dismissReply.setOnClickListener {
-            if (replyMessage.value != null) replyMessage.value = null
+            if (attachmentController.message.value != null)
-
+                attachmentController.message.value = null
-            hideAttachmentPanel()
         }
     }
 
@@ -282,28 +275,6 @@ class MessagesHistoryFragment :
         binding.pin.isVisible = conversation.isPinned
     }
 
-    private fun showAttachmentPanel(duration: Long = 250) {
-        if (isAttachmentPanelVisible.value == false) isAttachmentPanelVisible.value = true
-
-        binding.attachmentPanel.animate()
-            .translationY(0f)
-            .alpha(1f)
-            .setDuration(duration)
-            .withStartAction { binding.attachmentPanel.isVisible = true }
-            .start()
-    }
-
-    private fun hideAttachmentPanel(duration: Long = 250) {
-        if (isAttachmentPanelVisible.value == true) isAttachmentPanelVisible.value = false
-
-        binding.attachmentPanel.animate()
-            .alpha(0f)
-            .translationY(50f)
-            .setDuration(duration)
-            .withEndAction { binding.attachmentPanel.isVisible = false }
-            .start()
-    }
-
     private fun performAction() {
         if (action.value == Action.RECORD) {
             return
@@ -321,7 +292,7 @@ class MessagesHistoryFragment :
                 fromId = UserConfig.userId,
                 date = (date / 1000).toInt(),
                 randomId = 0,
-                replyMessage = replyMessage.value
+                replyMessage = attachmentController.message.value
             )
 
             adapter.add(message)
@@ -329,10 +300,8 @@ class MessagesHistoryFragment :
             binding.recyclerView.smoothScrollToPosition(adapter.lastPosition)
             binding.message.clear()
 
-            val replyMessage = replyMessage.value
+            val replyMessage = attachmentController.message.value
-
+            attachmentController.message.value = null
-            this.replyMessage.value = null
-            hideAttachmentPanel()
 
             viewModel.sendMessage(
                 peerId = conversation.id,
@@ -343,12 +312,13 @@ class MessagesHistoryFragment :
         }
     }
 
-    override fun onEvent(event: VKEvent) {
+    override fun onEvent(event: VkEvent) {
         super.onEvent(event)
 
         when (event) {
             is MessagesMarkAsImportant -> markMessagesAsImportant(event)
             is MessagesLoaded -> refreshMessages(event)
+            is MessagesPin -> conversation.pinnedMessage = event.message
             is StartProgressEvent -> onProgressStarted()
             is StopProgressEvent -> onProgressStopped()
         }
@@ -436,106 +406,67 @@ class MessagesHistoryFragment :
         val message = adapter.values[position]
         if (message.action != null) return
 
-//        val popupMenu = PopupMenu(requireContext(), view)
+        val time = getString(
-//
+            R.string.time_format,
-//        val reply = popupMenu.menu.add(
+            SimpleDateFormat(
-//            getString(R.string.message_context_action_reply)
+                "dd.MM.yyyy, HH:mm:ss",
-//        )
+                Locale.getDefault()
-//
+            ).format(message.date * 1000L)
-//        reply.icon =
+        )
-//            ContextCompat.getDrawable(
-//                requireContext(),
-//                R.drawable.ic_attachment_wall_reply
-//            )?.constantState?.newDrawable()?.also {
-//                it.setTint(
-//                    ContextCompat.getColor(
-//                        requireContext(),
-//                        R.color.textColorSecondaryVariant
-//                    )
-//                )
-//            }
-//
-//        val important = popupMenu.menu.add(
-//            getString(
-//                if (message.important) R.string.message_context_action_unmark_as_important
-//                else R.string.message_context_action_mark_as_important
-//            )
-//        )
-//
-//        important.icon =
-//            ContextCompat.getDrawable(
-//                requireContext(),
-//                R.drawable.ic_star_border
-//            )?.constantState?.newDrawable()?.also {
-//                it.setTint(
-//                    ContextCompat.getColor(
-//                        requireContext(),
-//                        R.color.textColorSecondaryVariant
-//                    )
-//                )
-//            }
-//
-//        popupMenu.setForceShowIcon(true)
-//        popupMenu.setOnMenuItemClickListener {
-//            when (it) {
-//                reply -> {
-//                    val title = when {
-//                        message.isGroup() && message.group.value != null -> message.group.value?.name
-//                        message.isUser() && message.user.value != null -> message.user.value?.fullName
-//                        else -> null
-//                    }
-//
-//                    if (replyMessage.value != message) replyMessage.value = message
-//
-//                    binding.replyMessageTitle.text = title
-//                    binding.replyMessageText.text = message.text ?: "[no_message]"
-//
-//                    if (binding.attachmentPanel.isNotVisible) binding.avatar.performClick()
-//                    true
-//                }
-//
-//                important -> {
-//                    viewModel.markAsImportant(
-//                        messagesIds = listOf(message.id),
-//                        important = !message.important
-//                    )
-//                    true
-//                }
-//
-//                else -> false
-//            }
-//        }
-//        popupMenu.show()
 
         val reply = getString(R.string.message_context_action_reply)
 
+        val isMessageAlreadyPinned = message.id == conversation.pinnedMessage?.id
+
+        val pin = getString(
+            if (isMessageAlreadyPinned) R.string.message_context_action_unpin
+            else R.string.message_context_action_pin
+        )
+
+        val edit = getString(R.string.message_context_action_edit)
+
         val important = getString(
             if (message.important) R.string.message_context_action_unmark_as_important
             else R.string.message_context_action_mark_as_important
         )
 
-        val params = arrayOf(reply, important)
+        val params = mutableListOf<String>()
+        params.add(reply)
+
+        if (conversation.canChangePin) {
+            params.add(pin)
+        }
+
+        if (message.canEdit()) {
+            params.add(edit)
+        }
+
+        params.add(important)
+
+        val arrayParams = params.toTypedArray()
 
         val dialog = MaterialAlertDialogBuilder(requireContext())
-            .setItems(params) { _, which ->
+            .setTitle(time)
+            .setItems(arrayParams) { _, which ->
                 when (params[which]) {
                     important -> viewModel.markAsImportant(
                         messagesIds = listOf(message.id),
                         important = !message.important
                     )
                     reply -> {
-                        val title = when {
+                        if (attachmentController.message.value != message)
-                            message.isGroup() && message.group.value != null -> message.group.value?.name
+                            attachmentController.message.value = message
-                            message.isUser() && message.user.value != null -> message.user.value?.fullName
-                            else -> null
                     }
+                    pin -> viewModel.pinMessage(
+                        peerId = conversation.id,
+                        messageId = message.id,
+                        pin = !isMessageAlreadyPinned
+                    )
+                    edit -> {
+                        attachmentController.isEditing = true
 
-                        if (replyMessage.value != message) replyMessage.value = message
+                        if (attachmentController.message.value != message)
-
+                            attachmentController.message.value = message
-                        binding.replyMessageTitle.text = title
-                        binding.replyMessageText.text = message.text ?: "[no_message]"
-
-                        if (binding.attachmentPanel.isNotVisible) binding.avatar.performClick()
                     }
                 }
             }
@@ -549,4 +480,78 @@ class MessagesHistoryFragment :
         return true
     }
 
+    private inner class AttachmentPanelController {
+        val isPanelVisible = MutableLiveData(false)
+        val message = MutableLiveData<VkMessage?>()
+
+        var isEditing = false
+
+        fun init(): AttachmentPanelController {
+            message.observe(viewLifecycleOwner) { value ->
+                if (value != null) {
+                    applyMessage(value)
+                } else {
+                    clearMessage()
+                }
+            }
+
+            message.value = null
+            return this
+        }
+
+        private fun applyMessage(message: VkMessage) {
+            showPanel()
+
+            val title = when {
+                message.isGroup() && message.group.value != null -> message.group.value?.name
+                message.isUser() && message.user.value != null -> message.user.value?.fullName
+                else -> null
+            }
+
+            binding.replyMessageTitle.text = title
+            binding.replyMessageText.text = message.text ?: "[no_message]"
+
+            if (isEditing) {
+                binding.message.setText(message.text ?: "[no_message]")
+            }
+        }
+
+        private fun clearMessage() {
+            hidePanel()
+
+            binding.replyMessageTitle.clear()
+            binding.replyMessageText.clear()
+
+            if (isEditing) {
+                isEditing = false
+                binding.message.clear()
+            }
+        }
+
+        private fun showPanel(duration: Long = 250) {
+            if (attachmentController.isPanelVisible.value == false)
+                attachmentController.isPanelVisible.value = true
+
+            binding.attachmentPanel.animate()
+                .translationY(0f)
+                .alpha(1f)
+                .setDuration(duration)
+                .withStartAction { binding.attachmentPanel.isVisible = true }
+                .start()
+        }
+
+        private fun hidePanel(duration: Long = 250) {
+            if (attachmentController.isPanelVisible.value == true)
+                attachmentController.isPanelVisible.value = false
+
+            binding.attachmentPanel.animate()
+                .alpha(0f)
+                .translationY(50f)
+                .setDuration(duration)
+                .withEndAction { binding.attachmentPanel.isVisible = false }
+                .start()
+        }
+
+    }
+
 }

app/src/main/kotlin/com/meloda/fast/screens/messages/MessagesHistoryViewModel.kt

@@ -6,28 +6,24 @@ import com.meloda.fast.api.model.VkConversation
 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.request.MessagesGetHistoryRequest
+import com.meloda.fast.api.model.request.*
-import com.meloda.fast.api.model.request.MessagesMarkAsImportantRequest
-import com.meloda.fast.api.model.request.MessagesSendRequest
 import com.meloda.fast.api.network.datasource.MessagesDataSource
 import com.meloda.fast.base.viewmodel.BaseViewModel
-import com.meloda.fast.base.viewmodel.StartProgressEvent
+import com.meloda.fast.base.viewmodel.VkEvent
-import com.meloda.fast.base.viewmodel.StopProgressEvent
-import com.meloda.fast.base.viewmodel.VKEvent
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.launch
 import javax.inject.Inject
 
 @HiltViewModel
 class MessagesHistoryViewModel @Inject constructor(
-    private val dataSource: MessagesDataSource
+    private val messages: MessagesDataSource
 ) : BaseViewModel() {
 
     fun loadHistory(
         peerId: Int
     ) = viewModelScope.launch {
         makeJob({
-            dataSource.getHistory(
+            messages.getHistory(
                 MessagesGetHistoryRequest(
                     count = 30,
                     peerId = peerId,
@@ -53,18 +49,18 @@ class MessagesHistoryViewModel @Inject constructor(
                     }
                 }
 
-                val messages = hashMapOf<Int, VkMessage>()
+                val hashMessages = hashMapOf<Int, VkMessage>()
                 response.items.forEach { baseMessage ->
-                    baseMessage.asVkMessage().let { message -> messages[message.id] = message }
+                    baseMessage.asVkMessage().let { message -> hashMessages[message.id] = message }
                 }
 
-                dataSource.storeMessages(messages.values.toList())
+                messages.store(hashMessages.values.toList())
 
                 val conversations = hashMapOf<Int, VkConversation>()
                 response.conversations?.let { baseConversations ->
                     baseConversations.forEach { baseConversation ->
                         baseConversation.asVkConversation(
-                            messages[baseConversation.last_message_id]
+                            hashMessages[baseConversation.last_message_id]
                         ).let { conversation -> conversations[conversation.id] = conversation }
                     }
                 }
@@ -75,16 +71,10 @@ class MessagesHistoryViewModel @Inject constructor(
                         profiles = profiles,
                         groups = groups,
                         conversations = conversations,
-                        messages = messages.values.toList()
+                        messages = hashMessages.values.toList()
                     )
                 )
-            },
+            })
-            onError = {
-                val throwable = it
-                throw it
-            },
-            onStart = { sendEvent(StartProgressEvent) },
-            onEnd = { sendEvent(StopProgressEvent) })
     }
 
     fun sendMessage(
@@ -96,7 +86,7 @@ class MessagesHistoryViewModel @Inject constructor(
     ) = viewModelScope.launch {
         makeJob(
             {
-                dataSource.send(
+                messages.send(
                     MessagesSendRequest(
                         peerId = peerId,
                         randomId = randomId,
@@ -108,10 +98,6 @@ class MessagesHistoryViewModel @Inject constructor(
             onAnswer = {
                 val response = it.response ?: return@makeJob
                 setId?.invoke(response)
-            },
-            onError = {
-                val throwable = it
-                val i = 0
             })
     }
 
@@ -120,7 +106,7 @@ class MessagesHistoryViewModel @Inject constructor(
         important: Boolean
     ) = viewModelScope.launch {
         makeJob({
-            dataSource.markAsImportant(
+            messages.markAsImportant(
                 MessagesMarkAsImportantRequest(
                     messagesIds = messagesIds,
                     important = important
@@ -135,13 +121,39 @@ class MessagesHistoryViewModel @Inject constructor(
                         important = important
                     )
                 )
-            },
-            onError = {
-                val throwable = it
-                val i = 0
             })
     }
 
+    fun pinMessage(
+        peerId: Int,
+        messageId: Int? = null,
+        conversationMessageId: Int? = null,
+        pin: Boolean
+    ) = viewModelScope.launch {
+        if (pin) {
+            makeJob({
+                messages.pin(
+                    MessagesPinMessageRequest(
+                        peerId = peerId,
+                        messageId = messageId,
+                        conversationMessageId = conversationMessageId
+                    )
+                )
+            },
+                onAnswer = {
+                    val response = it.response ?: return@makeJob
+                    sendEvent(MessagesPin(response.asVkMessage()))
+                }
+            )
+        } else {
+            makeJob({ messages.unpin(MessagesUnPinMessageRequest(peerId = peerId)) },
+                onAnswer = {
+                    println("Fast::MessagesHistoryViewModel::unPin::Response::${it.response}")
+                    sendEvent(MessagesUnpin)
+                }
+            )
+        }
+    }
 }
 
 data class MessagesLoaded(
@@ -150,9 +162,16 @@ data class MessagesLoaded(
     val messages: List<VkMessage>,
     val profiles: HashMap<Int, VkUser>,
     val groups: HashMap<Int, VkGroup>
-) : VKEvent()
+) : VkEvent()
 
 data class MessagesMarkAsImportant(
     val messagesIds: List<Int>,
     val important: Boolean
-) : VKEvent()
+) : VkEvent()
+
+data class MessagesPin(
+    val message: VkMessage
+) : VkEvent()
+
+object MessagesUnpin : VkEvent()
+

app/src/main/kotlin/com/meloda/fast/screens/messages/MessagesPreparator.kt

@@ -9,7 +9,6 @@ import android.widget.Space
 import android.widget.TextView
 import androidx.appcompat.widget.LinearLayoutCompat
 import androidx.core.content.ContextCompat
-import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
 import coil.load
 import com.meloda.fast.R
@@ -65,14 +64,17 @@ class MessagesPreparator constructor(
         ContextCompat.getDrawable(context, R.drawable.ic_message_out_background)
     private val backgroundMiddleOut =
         ContextCompat.getDrawable(context, R.drawable.ic_message_out_background_middle)
-//    private val backgroundStrokeOut =
-//        ContextCompat.getDrawable(context, R.drawable.ic_message_out_background_stroke)
-//    private val backgroundMiddleStrokeOut =
-//        ContextCompat.getDrawable(context, R.drawable.ic_message_out_background_middle_stroke)
 
     private val rootHighlightedColor =
         ContextCompat.getColor(context, R.color.n2_100)
 
+    private var photoClickListener: ((url: String) -> Unit)? = null
+
+    fun setPhotoClickListener(unit: ((url: String) -> Unit)?): MessagesPreparator {
+        this.photoClickListener = unit
+        return this
+    }
+
     fun prepare() {
         val messageUser: VkUser? = (if (message.isUser()) {
             profiles[message.fromId]
@@ -104,20 +106,24 @@ class MessagesPreparator constructor(
         )
 
         if (message.isPeerChat()) {
-
+            val prevSenderDiff = VkUtils.isPreviousMessageFromDifferentSender(prevMessage, message)
-            val fromDiffSender = VkUtils.isPreviousMessageFromDifferentSender(prevMessage, message)
+            val nextSenderDiff = VkUtils.isPreviousMessageFromDifferentSender(message, nextMessage)
             val fiveMinAgo = VkUtils.isPreviousMessageSentFiveMinutesAgo(prevMessage, message)
 
             val change = (prevMessage?.date ?: 0) - message.date
 
             Log.d(
                 "Fast::MessagesPreparator",
-                "text: ${message.text}; prevText: ${prevMessage?.text}; time change: $change; fromDiffSender: $fromDiffSender; fiveMinAgo: $fiveMinAgo; "
+                "text: ${message.text}; prevText: ${prevMessage?.text}; time change: $change; fromDiffSender: $prevSenderDiff; fiveMinAgo: $fiveMinAgo; "
             )
 
-            title?.isVisible = fromDiffSender || fiveMinAgo
+            title?.isVisible = prevSenderDiff || fiveMinAgo
 
-            avatar?.isInvisible = fromDiffSender && fiveMinAgo
+            avatar?.visibility =
+                if (nextSenderDiff
+                    || (fiveMinAgo && prevSenderDiff)
+                    || (!prevSenderDiff && nextMessage == null)
+                ) View.VISIBLE else View.INVISIBLE
         } else {
             title?.isVisible = false
             avatar?.isVisible = false
@@ -131,7 +137,6 @@ class MessagesPreparator constructor(
             }
 
             title.text = titleString
-            title.measure(0, 0)
         }
     }
 
@@ -164,13 +169,16 @@ class MessagesPreparator constructor(
                 attachmentContainer.removeAllViews()
             } else {
                 attachmentContainer.isVisible = true
+
                 AttachmentInflater(
                     context = context,
                     container = attachmentContainer,
                     message = message,
                     groups = groups,
                     profiles = profiles
-                ).inflate()
+                )
+                    .setPhotoClickListener(photoClickListener)
+                    .inflate()
             }
         }
     }

app/src/main/kotlin/com/meloda/fast/screens/photos/PhotoViewFragment.kt

@@ -0,0 +1,48 @@
+package com.meloda.fast.screens.photos
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageView
+import androidx.fragment.app.viewModels
+import com.meloda.fast.base.BaseViewModelFragment
+import dagger.hilt.android.AndroidEntryPoint
+
+@AndroidEntryPoint
+class PhotoViewFragment : BaseViewModelFragment<PhotoViewViewModel>() {
+
+    override val viewModel: PhotoViewViewModel by viewModels()
+
+//    private val photosList: MutableList<VkPhoto> = mutableListOf()
+
+    private var photoLink: String? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        photoLink = requireArguments().getString("photoLink")
+
+//        val list: List<*>? = Gson().fromJson(
+//            requireArguments().getString("photosList"),
+//            List::class.java
+//        )
+//
+//        list?.forEach { if (it is VkPhoto) photosList.add(it) }
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        return ImageView(requireContext())
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        photoLink?.let { viewModel.loadImageFromUrl(it, requireView() as ImageView) }
+    }
+
+}

app/src/main/kotlin/com/meloda/fast/screens/photos/PhotoViewViewModel.kt

@@ -0,0 +1,22 @@
+package com.meloda.fast.screens.photos
+
+import android.widget.ImageView
+import androidx.lifecycle.viewModelScope
+import coil.load
+import com.meloda.fast.base.viewmodel.BaseViewModel
+import kotlinx.coroutines.launch
+
+class PhotoViewViewModel : BaseViewModel() {
+
+    fun loadImageFromUrl(
+        url: String,
+        imageView: ImageView
+    ) = viewModelScope.launch {
+        imageView.load(url)
+    }
+
+    fun saveImageToLocalStorage(url: String) = viewModelScope.launch {
+        TODO("Not implemented")
+    }
+
+}

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

@@ -7,6 +7,8 @@ import java.util.*
 
 object TimeUtils {
 
+    const val ONE_DAY_IN_SECONDS = 86400
+
     fun removeTime(date: Date): Long {
         return Calendar.getInstance().apply {
             time = date

app/src/main/res/drawable/ic_round_done_24.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M9,16.2l-3.5,-3.5c-0.39,-0.39 -1.01,-0.39 -1.4,0 -0.39,0.39 -0.39,1.01 0,1.4l4.19,4.19c0.39,0.39 1.02,0.39 1.41,0L20.3,7.7c0.39,-0.39 0.39,-1.01 0,-1.4 -0.39,-0.39 -1.01,-0.39 -1.4,0L9,16.2z" />
+</vector>

app/src/main/res/layout/fragment_messages_history.xml

@@ -219,8 +219,10 @@
             android:minHeight="105dp"
             android:orientation="vertical"
             android:padding="16dp"
+            android:visibility="gone"
             app:layout_anchor="@+id/messagePanel"
-            app:layout_anchorGravity="center_vertical|top">
+            app:layout_anchorGravity="center_vertical|top"
+            tools:visibility="visible">
 
             <androidx.appcompat.widget.LinearLayoutCompat
                 android:id="@+id/replyMessage"
@@ -249,10 +251,9 @@
                         android:id="@+id/dismissReply"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
-                        android:background="@drawable/ic_image_button_circle_background"
+                        android:background="?selectableItemBackgroundBorderless"
-                        android:backgroundTint="@color/n1_50"
                         android:src="@drawable/ic_round_close_20"
-                        android:tint="?colorSecondary3" />
+                        android:tint="@color/n1_800" />
 
                 </androidx.appcompat.widget.LinearLayoutCompat>
 

app/src/main/res/layout/item_message_in.xml

@@ -70,6 +70,20 @@
                             android:textColor="@color/n1_800"
                             tools:text="This" />
 
+                    </androidx.appcompat.widget.LinearLayoutCompat>
+
+                </com.meloda.fast.widget.BoundedLinearLayout>
+
+                <com.meloda.fast.widget.CircleImageView
+                    android:id="@+id/unread"
+                    android:layout_width="13dp"
+                    android:layout_height="13dp"
+                    android:layout_marginStart="12dp"
+                    android:layout_marginBottom="20dp"
+                    android:src="@color/a3_200" />
+
+            </androidx.appcompat.widget.LinearLayoutCompat>
+
             <Space
                 android:id="@+id/attachmentSpacer"
                 android:layout_width="wrap_content"
@@ -84,18 +98,5 @@
                 android:visibility="gone" />
 
         </androidx.appcompat.widget.LinearLayoutCompat>
-
-                </com.meloda.fast.widget.BoundedLinearLayout>
-
-                <com.meloda.fast.widget.CircleImageView
-                    android:id="@+id/unread"
-                    android:layout_width="13dp"
-                    android:layout_height="13dp"
-                    android:layout_marginStart="12dp"
-                    android:layout_marginBottom="20dp"
-                    android:src="@color/a3_200" />
-
-            </androidx.appcompat.widget.LinearLayoutCompat>
-        </androidx.appcompat.widget.LinearLayoutCompat>
     </androidx.appcompat.widget.LinearLayoutCompat>
 </layout>

app/src/main/res/layout/item_message_out.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <layout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools">
 
     <androidx.appcompat.widget.LinearLayoutCompat
@@ -35,16 +34,10 @@
                 android:id="@+id/bubble"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center"
+                android:layout_gravity="end"
                 android:background="@drawable/ic_message_out_background"
-                android:clipChildren="true"
-                android:clipToPadding="true"
                 android:orientation="vertical">
 
-                <RelativeLayout
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content">
-
                 <com.google.android.material.textview.MaterialTextView
                     android:id="@+id/text"
                     android:layout_width="wrap_content"
@@ -54,6 +47,8 @@
                     android:textColor="@color/n1_900"
                     tools:text="This is test" />
 
+            </com.meloda.fast.widget.BoundedLinearLayout>
+
             <Space
                 android:id="@+id/attachmentSpacer"
                 android:layout_width="wrap_content"
@@ -65,14 +60,10 @@
                 android:id="@+id/attachmentContainer"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                        android:layout_below="@+id/attachmentSpacer"
+                android:layout_gravity="end"
                 android:orientation="vertical"
-                        android:visibility="gone"
+                android:visibility="gone" />
-                        app:layout_anchor="@+id/text"
-                        app:layout_anchorGravity="bottom" />
 
-                </RelativeLayout>
-            </com.meloda.fast.widget.BoundedLinearLayout>
         </androidx.appcompat.widget.LinearLayoutCompat>
     </androidx.appcompat.widget.LinearLayoutCompat>
 </layout>

app/src/main/res/navigation/messages.xml

@@ -21,6 +21,17 @@
         android:id="@+id/messagesHistoryFragment"
         android:name="com.meloda.fast.screens.messages.MessagesHistoryFragment"
         android:label="MessagesHistoryFragment"
-        tools:layout="@layout/fragment_messages_history" />
+        tools:layout="@layout/fragment_messages_history">
+
+        <action
+            android:id="@+id/toPhotoView"
+            app:destination="@+id/photoViewFragment" />
+
+    </fragment>
+
+    <fragment
+        android:id="@+id/photoViewFragment"
+        android:name="com.meloda.fast.screens.photos.PhotoViewFragment"
+        android:label="PhotoViewFragment" />
 
 </navigation>

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

@@ -117,4 +117,8 @@
     <string name="message_context_action_reply">Reply</string>
     <string name="message_context_action_mark_as_important">Mark as important</string>
     <string name="message_context_action_unmark_as_important">Unmark as important</string>
+    <string name="time_format">Time: %s</string>
+    <string name="message_context_action_pin">Pin</string>
+    <string name="message_context_action_unpin">Unpin</string>
+    <string name="message_context_action_edit">Edit</string>
 </resources>