Implemented UnreadOnTop

Implemented sorting option unread on top to work with different combinations of sorting options.

app/src/main/java/chat/rocket/android/chatrooms/infrastructure/ChatRoomsRepository.kt

@@ -15,6 +15,10 @@ class ChatRoomsRepository @Inject constructor(private val dao: ChatRoomDao) {
             Order.GROUPED_ACTIVITY -> dao.getAllGrouped()
             Order.NAME -> dao.getAllAlphabetically()
             Order.GROUPED_NAME -> dao.getAllAlphabeticallyGrouped()
+            Order.UNREADONTOP_ACTIVITY -> dao.getAllUnread();
+            Order.UNREADONTOP_NAME -> dao.getAllAlphabeticallyUnread();
+            Order.UNREADONTOP_GROUPED_ACTIVITY -> dao.getAllGroupedUnread();
+            Order.UNREADONTOP_GROUPED_NAME -> dao.getAllAlphabeticallyGroupedUnread();
         }
     }
 
@@ -28,8 +32,16 @@ class ChatRoomsRepository @Inject constructor(private val dao: ChatRoomDao) {
         GROUPED_ACTIVITY,
         NAME,
         GROUPED_NAME,
+        UNREADONTOP_ACTIVITY,
+        UNREADONTOP_NAME,
+        UNREADONTOP_GROUPED_ACTIVITY,
+        UNREADONTOP_GROUPED_NAME
     }
 }
 
 fun ChatRoomsRepository.Order.isGrouped(): Boolean = this == ChatRoomsRepository.Order.GROUPED_ACTIVITY
-        || this == ChatRoomsRepository.Order.GROUPED_NAME
\ No newline at end of file
+        || this == ChatRoomsRepository.Order.GROUPED_NAME
+
+fun ChatRoomsRepository.Order.isUnreadOnTop(): Boolean = this == ChatRoomsRepository.Order.UNREADONTOP_ACTIVITY
+        || this == ChatRoomsRepository.Order.UNREADONTOP_NAME
+

app/src/main/java/chat/rocket/android/chatrooms/ui/ChatRoomsFragment.kt

@@ -301,10 +301,10 @@ class ChatRoomsFragment : Fragment(), ChatRoomsView {
         this.isGroupByFavorites = isGroupByFavorites
 
         if (isSortByName) {
-            viewModel.setQuery(Query.ByName(isGroupByType))
+            viewModel.setQuery(Query.ByName(isGroupByType,isUnreadOnTop))
             changeSortByTitle(getString(R.string.msg_sort_by_name))
         } else {
-            viewModel.setQuery(Query.ByActivity(isGroupByType))
+            viewModel.setQuery(Query.ByActivity(isGroupByType,isUnreadOnTop))
             changeSortByTitle(getString(R.string.msg_sort_by_activity))
         }
     }
@@ -324,9 +324,9 @@ class ChatRoomsFragment : Fragment(), ChatRoomsView {
 
     private fun showAllChats() {
         if (isSortByName) {
-            viewModel.setQuery(Query.ByName(isGroupByType))
+            viewModel.setQuery(Query.ByName(isGroupByType,isUnreadOnTop))
         } else {
-            viewModel.setQuery(Query.ByActivity(isGroupByType))
+            viewModel.setQuery(Query.ByActivity(isGroupByType, isUnreadOnTop))
         }
     }
 

app/src/main/java/chat/rocket/android/chatrooms/viewmodel/ChatRoomsViewModel.kt

@@ -140,8 +140,10 @@ sealed class LoadingState {
 }
 
 sealed class Query {
-    data class ByActivity(val grouped: Boolean = false) : Query()
-    data class ByName(val grouped: Boolean = false) : Query()
+
+    data class ByActivity(val grouped: Boolean = false, val unreadOnTop: Boolean = false) : Query()
+    data class ByName(val grouped: Boolean = false,val unreadOnTop: Boolean = false ) : Query()
+
     data class Search(val query: String) : Query()
 }
 
@@ -155,22 +157,44 @@ fun Query.isGrouped(): Boolean {
     }
 }
 
+fun Query.isUnreadOnTop(): Boolean {
+    return when(this) {
+        is Query.Search -> false
+        is Query.ByName -> unreadOnTop
+        is Query.ByActivity -> unreadOnTop
+    }
+}
+
 fun Query.asSortingOrder(): ChatRoomsRepository.Order {
     return when(this) {
         is Query.ByName -> {
-            if (grouped) {
+            if (grouped  && !unreadOnTop) {
                 ChatRoomsRepository.Order.GROUPED_NAME
-            } else {
+            }
+            else if(unreadOnTop && !grouped){
+                ChatRoomsRepository.Order.UNREADONTOP_NAME
+            }
+            else if(unreadOnTop && grouped){
+                ChatRoomsRepository.Order.UNREADONTOP_GROUPED_NAME
+            }
+            else {
                 ChatRoomsRepository.Order.NAME
             }
         }
         is Query.ByActivity -> {
-            if (grouped) {
+            if (grouped && !unreadOnTop) {
                 ChatRoomsRepository.Order.GROUPED_ACTIVITY
-            } else {
+            }
+            else if(unreadOnTop && !grouped){
+                ChatRoomsRepository.Order.UNREADONTOP_ACTIVITY
+            }
+            else if(unreadOnTop && grouped){
+                ChatRoomsRepository.Order.UNREADONTOP_GROUPED_ACTIVITY
+            }
+            else {
                 ChatRoomsRepository.Order.ACTIVITY
             }
         }
         else -> throw IllegalArgumentException("Should be ByName or ByActivity")
     }
-}
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/db/ChatRoomDao.kt

@@ -65,11 +65,59 @@ abstract class ChatRoomDao : BaseDao<ChatRoomEntity> {
         """)
     abstract fun getAllGrouped(): LiveData<List<ChatRoom>>
 
+        @Transaction
+        @Query("""
+        $BASE_QUERY
+        $FILTER_NOT_OPENED
+        ORDER BY
+            $UNREAD,
+	        CASE
+		        WHEN lastMessageTimeStamp IS NOT NULL THEN lastMessageTimeStamp
+		        ELSE updatedAt
+	        END DESC
+        """)
+    abstract fun getAllUnread(): LiveData<List<ChatRoom>>
+
+    @Transaction
+    @Query("""
+        $BASE_QUERY
+        $FILTER_NOT_OPENED
+        ORDER BY
+            $UNREAD,
+            name COLLATE NOCASE
+        """)
+    abstract fun getAllAlphabeticallyUnread(): LiveData<List<ChatRoom>>
+
     @Transaction
     @Query("""
         $BASE_QUERY
         $FILTER_NOT_OPENED
-        ORDER BY name
+        ORDER BY
+            $TYPE_ORDER,
+            $UNREAD,
+            name COLLATE NOCASE
+        """)
+    abstract fun getAllAlphabeticallyGroupedUnread(): LiveData<List<ChatRoom>>
+
+    @Transaction
+    @Query("""
+        $BASE_QUERY
+        $FILTER_NOT_OPENED
+        ORDER BY
+            $TYPE_ORDER,
+            $UNREAD,
+	        CASE
+		        WHEN lastMessageTimeStamp IS NOT NULL THEN lastMessageTimeStamp
+		        ELSE updatedAt
+	        END DESC
+        """)
+    abstract fun getAllGroupedUnread(): LiveData<List<ChatRoom>>
+
+    @Transaction
+    @Query("""
+        $BASE_QUERY
+        $FILTER_NOT_OPENED
+        ORDER BY name COLLATE NOCASE
         """)
     abstract fun getAllAlphabetically(): LiveData<List<ChatRoom>>
 
@@ -79,7 +127,7 @@ abstract class ChatRoomDao : BaseDao<ChatRoomEntity> {
         $FILTER_NOT_OPENED
         ORDER BY
             $TYPE_ORDER,
-            name
+            name COLLATE NOCASE
         """)
     abstract fun getAllAlphabeticallyGrouped(): LiveData<List<ChatRoom>>
 
@@ -139,5 +187,11 @@ abstract class ChatRoomDao : BaseDao<ChatRoomEntity> {
 		        ELSE 5
 	        END
         """
+        const val UNREAD = """
+            CASE
+		        WHEN alert OR unread > 0 THEN 1
+		        ELSE 2
+	        END
+        """
     }
 }
\ No newline at end of file