Ensure that room where is user is invited are not listed when forwarding a message.

libraries/roomselect/impl/src/main/kotlin/io/element/android/libraries/roomselect/impl/RoomSelectPresenter.kt

@@ -19,6 +19,7 @@ package io.element.android.libraries.roomselect.impl
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -28,17 +29,14 @@ import dagger.assisted.AssistedFactory
 import dagger.assisted.AssistedInject
 import io.element.android.libraries.architecture.Presenter
 import io.element.android.libraries.designsystem.theme.components.SearchBarResultState
-import io.element.android.libraries.matrix.api.MatrixClient
-import io.element.android.libraries.matrix.api.roomlist.RoomSummary
 import io.element.android.libraries.matrix.api.roomlist.RoomSummaryDetails
 import io.element.android.libraries.roomselect.api.RoomSelectMode
-import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
-import kotlinx.collections.immutable.toPersistentList
+import kotlinx.collections.immutable.toImmutableList
 
 class RoomSelectPresenter @AssistedInject constructor(
     @Assisted private val mode: RoomSelectMode,
-    private val client: MatrixClient,
+    private val dataSource: RoomSelectSearchDataSource,
 ) : Presenter<RoomSelectState> {
     @AssistedFactory
     interface Factory {
@@ -48,22 +46,26 @@ class RoomSelectPresenter @AssistedInject constructor(
     @Composable
     override fun present(): RoomSelectState {
         var selectedRooms by remember { mutableStateOf(persistentListOf<RoomSummaryDetails>()) }
-        var query by remember { mutableStateOf("") }
+        var searchQuery by remember { mutableStateOf("") }
         var isSearchActive by remember { mutableStateOf(false) }
-        var results: SearchBarResultState<ImmutableList<RoomSummaryDetails>> by remember { mutableStateOf(SearchBarResultState.Initial()) }
 
-        val summaries by client.roomListService.allRooms.summaries.collectAsState(initial = emptyList())
+        LaunchedEffect(Unit) {
+            dataSource.load()
+        }
 
-        LaunchedEffect(query, summaries) {
-            val filteredSummaries = summaries.filterIsInstance<RoomSummary.Filled>()
-                .map { it.details }
-                .filter { it.name.orEmpty().contains(query, ignoreCase = true) }
-                .distinctBy { it.roomId } // This should be removed once we're sure no duplicate Rooms can be received
-                .toPersistentList()
-            results = if (filteredSummaries.isNotEmpty()) {
-                SearchBarResultState.Results(filteredSummaries)
-            } else {
-                SearchBarResultState.NoResultsFound()
+        LaunchedEffect(searchQuery) {
+            dataSource.setSearchQuery(searchQuery)
+        }
+
+        val roomSummaryDetailsList by dataSource.roomSummaries.collectAsState(initial = persistentListOf())
+
+        val searchResults by remember {
+            derivedStateOf {
+                when {
+                    roomSummaryDetailsList.isNotEmpty() -> SearchBarResultState.Results(roomSummaryDetailsList.toImmutableList())
+                    isSearchActive -> SearchBarResultState.NoResultsFound()
+                    else -> SearchBarResultState.Initial()
+                }
             }
         }
 
@@ -80,15 +82,15 @@ class RoomSelectPresenter @AssistedInject constructor(
 //                    }
                 }
                 RoomSelectEvents.RemoveSelectedRoom -> selectedRooms = persistentListOf()
-                is RoomSelectEvents.UpdateQuery -> query = event.query
+                is RoomSelectEvents.UpdateQuery -> searchQuery = event.query
                 RoomSelectEvents.ToggleSearchActive -> isSearchActive = !isSearchActive
             }
         }
 
         return RoomSelectState(
             mode = mode,
-            resultState = results,
-            query = query,
+            resultState = searchResults,
+            query = searchQuery,
             isSearchActive = isSearchActive,
             selectedRooms = selectedRooms,
             eventSink = { handleEvents(it) }

libraries/roomselect/impl/src/main/kotlin/io/element/android/libraries/roomselect/impl/RoomSelectSearchDataSource.kt

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.roomselect.impl
+
+import io.element.android.libraries.core.coroutine.CoroutineDispatchers
+import io.element.android.libraries.matrix.api.room.CurrentUserMembership
+import io.element.android.libraries.matrix.api.roomlist.RoomList
+import io.element.android.libraries.matrix.api.roomlist.RoomListFilter
+import io.element.android.libraries.matrix.api.roomlist.RoomListService
+import io.element.android.libraries.matrix.api.roomlist.RoomSummary
+import io.element.android.libraries.matrix.api.roomlist.RoomSummaryDetails
+import io.element.android.libraries.matrix.api.roomlist.loadAllIncrementally
+import kotlinx.collections.immutable.PersistentList
+import kotlinx.collections.immutable.toPersistentList
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+private const val PAGE_SIZE = 30
+
+class RoomSelectSearchDataSource @Inject constructor(
+    roomListService: RoomListService,
+    coroutineDispatchers: CoroutineDispatchers,
+) {
+    private val roomList = roomListService.createRoomList(
+        pageSize = PAGE_SIZE,
+        initialFilter = RoomListFilter.all(),
+        source = RoomList.Source.All,
+    )
+
+    val roomSummaries: Flow<PersistentList<RoomSummaryDetails>> = roomList.filteredSummaries
+        .map { roomSummaries ->
+            roomSummaries
+                .filterIsInstance<RoomSummary.Filled>()
+                .map { it.details }
+                .filter { it.currentUserMembership == CurrentUserMembership.JOINED }
+                .distinctBy { it.roomId } // This should be removed once we're sure no duplicate Rooms can be received
+                .toPersistentList()
+        }
+        .flowOn(coroutineDispatchers.computation)
+
+    suspend fun load() = coroutineScope {
+        roomList.loadAllIncrementally(this)
+    }
+
+    suspend fun setSearchQuery(searchQuery: String) = coroutineScope {
+        val filter = if (searchQuery.isBlank()) {
+            RoomListFilter.all()
+        } else {
+            RoomListFilter.NormalizedMatchRoomName(searchQuery)
+        }
+        roomList.updateFilter(filter)
+    }
+}

libraries/roomselect/impl/src/test/kotlin/io/element/android/libraries/roomselect/impl/RoomSelectPresenterTest.kt

@@ -21,13 +21,16 @@ import app.cash.molecule.moleculeFlow
 import app.cash.turbine.test
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.designsystem.theme.components.SearchBarResultState
+import io.element.android.libraries.matrix.api.roomlist.RoomListFilter
+import io.element.android.libraries.matrix.api.roomlist.RoomListService
 import io.element.android.libraries.matrix.api.roomlist.RoomSummary
-import io.element.android.libraries.matrix.test.FakeMatrixClient
 import io.element.android.libraries.matrix.test.room.aRoomSummaryDetails
 import io.element.android.libraries.matrix.test.roomlist.FakeRoomListService
 import io.element.android.libraries.roomselect.api.RoomSelectMode
 import io.element.android.tests.testutils.WarmUpRule
+import io.element.android.tests.testutils.testCoroutineDispatchers
 import kotlinx.collections.immutable.persistentListOf
+import kotlinx.coroutines.test.TestScope
 import kotlinx.coroutines.test.runTest
 import org.junit.Rule
 import org.junit.Test
@@ -38,7 +41,7 @@ class RoomSelectPresenterTest {
 
     @Test
     fun `present - initial state`() = runTest {
-        val presenter = aPresenter()
+        val presenter = createRoomSelectPresenter()
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
@@ -46,24 +49,18 @@ class RoomSelectPresenterTest {
             assertThat(initialState.selectedRooms).isEmpty()
             assertThat(initialState.resultState).isInstanceOf(SearchBarResultState.Initial::class.java)
             assertThat(initialState.isSearchActive).isFalse()
-            // Search is run automatically
-            val searchState = awaitItem()
-            assertThat(searchState.resultState).isInstanceOf(SearchBarResultState.NoResultsFound::class.java)
         }
     }
 
     @Test
     fun `present - toggle search active`() = runTest {
-        val presenter = aPresenter()
+        val presenter = createRoomSelectPresenter()
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
             val initialState = awaitItem()
-            skipItems(1)
-
             initialState.eventSink(RoomSelectEvents.ToggleSearchActive)
             assertThat(awaitItem().isSearchActive).isTrue()
-
             initialState.eventSink(RoomSelectEvents.ToggleSearchActive)
             assertThat(awaitItem().isSearchActive).isFalse()
         }
@@ -74,43 +71,59 @@ class RoomSelectPresenterTest {
         val roomListService = FakeRoomListService().apply {
             postAllRooms(listOf(RoomSummary.Filled(aRoomSummaryDetails())))
         }
-        val client = FakeMatrixClient(roomListService = roomListService)
-        val presenter = aPresenter(client = client)
+        val presenter = createRoomSelectPresenter(
+            roomListService = roomListService
+        )
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
             val initialState = awaitItem()
             assertThat(awaitItem().resultState as? SearchBarResultState.Results).isEqualTo(SearchBarResultState.Results(listOf(aRoomSummaryDetails())))
-
+            initialState.eventSink(RoomSelectEvents.ToggleSearchActive)
+            skipItems(1)
             initialState.eventSink(RoomSelectEvents.UpdateQuery("string not contained"))
+            assertThat(
+                roomListService.allRooms.currentFilter.value
+            ).isEqualTo(
+                RoomListFilter.NormalizedMatchRoomName("string not contained")
+            )
             assertThat(awaitItem().query).isEqualTo("string not contained")
+            roomListService.postAllRooms(
+                emptyList()
+            )
             assertThat(awaitItem().resultState).isInstanceOf(SearchBarResultState.NoResultsFound::class.java)
         }
     }
 
     @Test
     fun `present - select and remove a room`() = runTest {
-        val presenter = aPresenter()
+        val roomListService = FakeRoomListService().apply {
+            postAllRooms(listOf(RoomSummary.Filled(aRoomSummaryDetails())))
+        }
+        val presenter = createRoomSelectPresenter(
+            roomListService = roomListService,
+        )
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
             val initialState = awaitItem()
-            skipItems(1)
             val summary = aRoomSummaryDetails()
-
             initialState.eventSink(RoomSelectEvents.SetSelectedRoom(summary))
             assertThat(awaitItem().selectedRooms).isEqualTo(persistentListOf(summary))
-
             initialState.eventSink(RoomSelectEvents.RemoveSelectedRoom)
             assertThat(awaitItem().selectedRooms).isEmpty()
+            cancel()
         }
     }
 
-    private fun aPresenter(
+    private fun TestScope.createRoomSelectPresenter(
         mode: RoomSelectMode = RoomSelectMode.Forward,
-        client: FakeMatrixClient = FakeMatrixClient(),
+        roomListService: RoomListService = FakeRoomListService(),
     ) = RoomSelectPresenter(
         mode = mode,
-        client = client,
+        dataSource = RoomSelectSearchDataSource(
+            roomListService = roomListService,
+            coroutineDispatchers = testCoroutineDispatchers(),
+        ),
     )
 }