RoomListFilters : branch the logic

features/roomlist/impl/src/main/kotlin/io/element/android/features/roomlist/impl/filters/RoomListFilter.kt

@@ -26,15 +26,13 @@ enum class RoomListFilter(val stringResource: Int){
     Rooms(R.string.screen_roomlist_filter_rooms),
     People(R.string.screen_roomlist_filter_people),
     Unread(R.string.screen_roomlist_filter_unreads),
-    Favourites(R.string.screen_roomlist_filter_favourites),
+    Favourites(R.string.screen_roomlist_filter_favourites);
-    LowPriority(R.string.screen_roomlist_filter_low_priority);
 
     val oppositeFilter: RoomListFilter?
         get() = when (this) {
             Rooms -> People
             People -> Rooms
             Unread -> null
-            Favourites -> LowPriority
+            Favourites -> null
-            LowPriority -> Favourites
         }
 }

features/roomlist/impl/src/main/kotlin/io/element/android/features/roomlist/impl/filters/RoomListFiltersPresenter.kt

@@ -17,15 +17,20 @@
 package io.element.android.features.roomlist.impl.filters
 
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import io.element.android.libraries.architecture.Presenter
+import io.element.android.libraries.matrix.api.roomlist.RoomListService
 import kotlinx.collections.immutable.toPersistentList
 import javax.inject.Inject
+import io.element.android.libraries.matrix.api.roomlist.RoomListFilter as MatrixRoomListFilter
 
-class RoomListFiltersPresenter @Inject constructor() : Presenter<RoomListFiltersState> {
+class RoomListFiltersPresenter @Inject constructor(
+    private val roomListService: RoomListService,
+) : Presenter<RoomListFiltersState> {
 
     @Composable
     override fun present(): RoomListFiltersState {
@@ -59,6 +64,20 @@ class RoomListFiltersPresenter @Inject constructor() : Presenter<RoomListFilters
             }
         }
 
+        LaunchedEffect(selectedFilters) {
+            val allRoomsFilter = MatrixRoomListFilter.All(
+                selectedFilters.map { roomListFilter ->
+                    when (roomListFilter) {
+                        RoomListFilter.Rooms -> MatrixRoomListFilter.Category.Group
+                        RoomListFilter.People -> MatrixRoomListFilter.Category.People
+                        RoomListFilter.Unread -> MatrixRoomListFilter.Unread
+                        RoomListFilter.Favourites -> MatrixRoomListFilter.Favorite
+                    }
+                }.plus(MatrixRoomListFilter.NonLeft)
+            )
+            roomListService.allRooms.updateFilter(allRoomsFilter)
+        }
+
         return RoomListFiltersState(
             unselectedFilters = unselectedFilters.toPersistentList(),
             selectedFilters = selectedFilters.toPersistentList(),

libraries/matrix/api/src/main/kotlin/io/element/android/libraries/matrix/api/roomlist/RoomListFilter.kt

@@ -57,6 +57,11 @@ sealed interface RoomListFilter {
      */
     data object Unread : RoomListFilter
 
+    /**
+     * A filter that matches rooms that are marked as favorite.
+     */
+    data object Favorite : RoomListFilter
+
     /**
      * A filter that matches either Group or People rooms.
      */

libraries/matrix/impl/src/main/kotlin/io/element/android/libraries/matrix/impl/roomlist/RoomListFilter.kt

@@ -31,5 +31,6 @@ fun RoomListFilter.toRustFilter(): RoomListEntriesDynamicFilterKind {
         RoomListFilter.None -> RoomListEntriesDynamicFilterKind.None
         is RoomListFilter.NormalizedMatchRoomName -> RoomListEntriesDynamicFilterKind.NormalizedMatchRoomName(pattern)
         RoomListFilter.Unread -> RoomListEntriesDynamicFilterKind.Unread
+        RoomListFilter.Favorite -> RoomListEntriesDynamicFilterKind.Favourite
     }
 }