Create an Operation queue for DB write operations

app/src/main/java/chat/rocket/android/chatroom/presentation/ChatRoomPresenter.kt

@@ -174,7 +174,9 @@ class ChatRoomPresenter @Inject constructor(
             view.showLoading()
             try {
                 if (offset == 0L) {
-                    val localMessages = messagesRepository.getByRoomId(chatRoomId)
+                    // FIXME - load just 50 messages from DB to speed up. We will reload from Network after that
+                    // FIXME - We need to handle the pagination, first fetch from DB, then from network
+                    val localMessages = messagesRepository.getRecentMessages(chatRoomId, 50)
                     val oldMessages = mapper.map(
                         localMessages, RoomUiModel(
                         roles = chatRoles,

app/src/main/java/chat/rocket/android/chatrooms/adapter/RoomUiModelMapper.kt

@@ -24,6 +24,7 @@ import chat.rocket.common.model.roomTypeOf
 import chat.rocket.common.model.userStatusOf
 import chat.rocket.core.model.Room
 import chat.rocket.core.model.SpotlightResult
+import ru.noties.markwon.Markwon
 
 class RoomUiModelMapper(
     private val context: Application,
@@ -119,6 +120,8 @@ class RoomUiModelMapper(
                     type is RoomType.DirectMessage) } else { null }
             val open = open
 
+            val lastMessageMarkdown = lastMessage?.let { Markwon.markdown(context, it.toString()).toString() }
+
             RoomUiModel(
                 id = id,
                 name = roomName,
@@ -128,7 +131,7 @@ class RoomUiModelMapper(
                 date = timestamp,
                 unread = unread,
                 alert = isUnread,
-                lastMessage = lastMessage,
+                lastMessage = lastMessageMarkdown,
                 status = status,
                 username = if (type is RoomType.DirectMessage) name else null
             )

app/src/main/java/chat/rocket/android/chatrooms/adapter/RoomViewHolder.kt

@@ -33,7 +33,7 @@ class RoomViewHolder(itemView: View, private val listener: (RoomUiModel) -> Unit
 
             if (room.lastMessage != null) {
                 text_last_message.isVisible = true
-                text_last_message.text = Markwon.markdown(context, room.lastMessage.toString()).toString()
+                text_last_message.text = room.lastMessage
             } else {
                 text_last_message.isGone = true
             }

app/src/main/java/chat/rocket/android/chatrooms/adapter/RoomsAdapter.kt

@@ -19,17 +19,21 @@ class RoomsAdapter(private val listener: (RoomUiModel) -> Unit) : RecyclerView.A
         }
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder<*> {
-        if (viewType == VIEW_TYPE_ROOM) {
-            val view = parent.inflate(R.layout.item_chat)
-            return RoomViewHolder(view, listener)
-        } else if (viewType == VIEW_TYPE_HEADER) {
-            val view = parent.inflate(R.layout.item_chatroom_header)
-            return HeaderViewHolder(view)
-        } else if (viewType == VIEW_TYPE_LOADING) {
-            val view = parent.inflate(R.layout.item_loading)
-            return LoadingViewHolder(view)
+        return when (viewType) {
+            VIEW_TYPE_ROOM -> {
+                val view = parent.inflate(R.layout.item_chat)
+                RoomViewHolder(view, listener)
+            }
+            VIEW_TYPE_HEADER -> {
+                val view = parent.inflate(R.layout.item_chatroom_header)
+                HeaderViewHolder(view)
+            }
+            VIEW_TYPE_LOADING -> {
+                val view = parent.inflate(R.layout.item_loading)
+                LoadingViewHolder(view)
+            }
+            else -> throw IllegalStateException("View type must be either Room, Header or Loading")
         }
-        throw IllegalStateException("View type must be either Room, Header or Loading")
     }
 
     override fun getItemCount() = values.size

app/src/main/java/chat/rocket/android/server/infraestructure/DatabaseMessagesRepository.kt

 package chat.rocket.android.server.infraestructure
 
 import chat.rocket.android.db.DatabaseManager
+import chat.rocket.android.db.Operation
 import chat.rocket.android.db.model.MessagesSync
 import chat.rocket.android.server.domain.MessagesRepository
 import chat.rocket.core.model.Message
@@ -61,9 +62,7 @@ class DatabaseMessagesRepository(
     }
 
     override suspend fun saveLastSyncDate(roomId: String, timeMillis: Long) {
-        withContext(dbManager.dbContext) {
-            dbManager.messageDao().saveLastSync(MessagesSync(roomId, timeMillis))
-        }
+        dbManager.sendOperation(Operation.SaveLastSync(MessagesSync(roomId, timeMillis)))
     }
 
     override suspend fun getLastSyncDate(roomId: String): Long? = withContext(CommonPool) {

app/src/main/java/chat/rocket/android/util/extensions/T.kt

+package chat.rocket.android.util.extensions
+
+val <T> T.exhaustive: T
+    get() = this
\ No newline at end of file