Render mocked data get from use case

Author: mnaturel

vector/src/main/java/im/vector/app/features/roomprofile/polls/GetPollsUseCase.kt

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2022 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 im.vector.app.features.roomprofile.polls
+
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.emptyFlow
+import kotlinx.coroutines.flow.flowOf
+import kotlinx.coroutines.flow.map
+import javax.inject.Inject
+
+class GetPollsUseCase @Inject constructor() {
+
+    fun execute(filter: RoomPollsFilter): Flow<List<PollSummary>> {
+        // TODO unmock and add unit tests
+        return when (filter) {
+            RoomPollsFilter.ACTIVE -> getActivePolls()
+            RoomPollsFilter.ENDED -> emptyFlow()
+        }.map { it.sortedByDescending { poll -> poll.creationTimestamp } }
+    }
+
+    private fun getActivePolls(): Flow<List<PollSummary.ActivePoll>> {
+        return flowOf(
+                listOf(
+                        PollSummary.ActivePoll(
+                                id = "id1",
+                                // 2022/06/28 UTC+1
+                                creationTimestamp = 1656367200000,
+                                title = "Which charity would you like to support?"
+                        ),
+                        PollSummary.ActivePoll(
+                                id = "id2",
+                                // 2022/06/26 UTC+1
+                                creationTimestamp = 1656194400000,
+                                title = "Which sport should the pupils do this year?"
+                        ),
+                        PollSummary.ActivePoll(
+                                id = "id3",
+                                // 2022/06/24 UTC+1
+                                creationTimestamp = 1656021600000,
+                                title = "What type of food should we have at the party?"
+                        ),
+                        PollSummary.ActivePoll(
+                                id = "id4",
+                                // 2022/06/22 UTC+1
+                                creationTimestamp = 1655848800000,
+                                title = "What film should we show at the end of the year party?"
+                        ),
+                )
+        )
+    }
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/RoomPollsAction.kt

@@ -18,4 +18,6 @@ package im.vector.app.features.roomprofile.polls
 
 import im.vector.app.core.platform.VectorViewModelAction
 
-sealed class RoomPollsAction : VectorViewModelAction
+sealed interface RoomPollsAction : VectorViewModelAction {
+    data class SetFilter(val filter: RoomPollsFilter) : RoomPollsAction
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/RoomPollsFilter.kt

@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2022 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 im.vector.app.features.roomprofile.polls
+
+enum class RoomPollsFilter {
+    ACTIVE,
+    ENDED,
+}

vector/src/main/java/im/vector/app/features/roomprofile/polls/RoomPollsViewModel.kt

@@ -23,9 +23,13 @@ import dagger.assisted.AssistedInject
 import im.vector.app.core.di.MavericksAssistedViewModelFactory
 import im.vector.app.core.di.hiltMavericksViewModelFactory
 import im.vector.app.core.platform.VectorViewModel
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.onEach
 
 class RoomPollsViewModel @AssistedInject constructor(
         @Assisted initialState: RoomPollsViewState,
+        private val getPollsUseCase: GetPollsUseCase,
 ) : VectorViewModel<RoomPollsViewState, RoomPollsAction, RoomPollsViewEvent>(initialState) {
 
     @AssistedFactory
@@ -35,7 +39,24 @@ class RoomPollsViewModel @AssistedInject constructor(
 
     companion object : MavericksViewModelFactory<RoomPollsViewModel, RoomPollsViewState> by hiltMavericksViewModelFactory()
 
+    private var pollsCollectionJob: Job? = null
+
+    // TODO add unit tests
     override fun handle(action: RoomPollsAction) {
-        // do nothing for now
+        when (action) {
+            is RoomPollsAction.SetFilter -> handleSetFilter(action.filter)
+        }
+    }
+
+    override fun onCleared() {
+        pollsCollectionJob = null
+        super.onCleared()
+    }
+
+    private fun handleSetFilter(filter: RoomPollsFilter) {
+        pollsCollectionJob?.cancel()
+        pollsCollectionJob = getPollsUseCase.execute(filter)
+                .onEach { setState { copy(polls = it) } }
+                .launchIn(viewModelScope)
     }
 }

vector/src/main/java/im/vector/app/features/roomprofile/polls/active/RoomActivePollsFragment.kt

@@ -24,9 +24,12 @@ import com.airbnb.mvrx.parentFragmentViewModel
 import com.airbnb.mvrx.withState
 import dagger.hilt.android.AndroidEntryPoint
 import im.vector.app.core.extensions.cleanup
+import im.vector.app.core.extensions.configureWith
 import im.vector.app.core.platform.VectorBaseFragment
 import im.vector.app.databinding.FragmentRoomPollsListBinding
 import im.vector.app.features.roomprofile.polls.PollSummary
+import im.vector.app.features.roomprofile.polls.RoomPollsAction
+import im.vector.app.features.roomprofile.polls.RoomPollsFilter
 import im.vector.app.features.roomprofile.polls.RoomPollsViewModel
 import javax.inject.Inject
 
@@ -51,7 +54,7 @@ class RoomActivePollsFragment :
 
     private fun setupList() {
         roomActivePollsController.listener = this
-        views.activePollsList.adapter = roomActivePollsController.adapter
+        views.activePollsList.configureWith(roomActivePollsController)
     }
 
     override fun onDestroyView() {
@@ -64,6 +67,11 @@ class RoomActivePollsFragment :
         roomActivePollsController.listener = null
     }
 
+    override fun onResume() {
+        super.onResume()
+        viewModel.handle(RoomPollsAction.SetFilter(RoomPollsFilter.ACTIVE))
+    }
+
     override fun invalidate() = withState(viewModel) { viewState ->
         renderList(viewState.polls.filterIsInstance(PollSummary.ActivePoll::class.java))
     }

vector/src/main/res/layout/fragment_room_polls_list.xml

@@ -8,8 +8,9 @@
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/activePollsList"
         android:layout_width="0dp"
-        android:layout_height="wrap_content"
+        android:layout_height="0dp"
         android:layout_marginHorizontal="@dimen/layout_horizontal_margin"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"