Observe ignoredUsersFlow to have live data about blocked user.

This will also ensure that blocking a user will work even if the user is not a member of the room (preparatory work for user permalink)

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/members/details/RoomMemberDetailsPresenter.kt

@@ -39,6 +39,10 @@ import io.element.android.libraries.matrix.api.core.UserId
 import io.element.android.libraries.matrix.api.room.MatrixRoom
 import io.element.android.libraries.matrix.ui.room.getRoomMemberAsState
 import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.launchIn
+import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
 
 class RoomMemberDetailsPresenter @AssistedInject constructor(
@@ -57,14 +61,13 @@ class RoomMemberDetailsPresenter @AssistedInject constructor(
         var confirmationDialog by remember { mutableStateOf<ConfirmationDialog?>(null) }
         val roomMember by room.getRoomMemberAsState(roomMemberId)
         val startDmActionState: MutableState<AsyncAction<RoomId>> = remember { mutableStateOf(AsyncAction.Uninitialized) }
-        // the room member is not really live...
-        val isBlocked: MutableState<AsyncData<Boolean>> = remember(roomMember) {
-            val isIgnored = roomMember?.isIgnored
-            if (isIgnored == null) {
-                mutableStateOf(AsyncData.Uninitialized)
-            } else {
-                mutableStateOf(AsyncData.Success(isIgnored))
-            }
+        val isBlocked: MutableState<AsyncData<Boolean>> = remember { mutableStateOf(AsyncData.Uninitialized) }
+        LaunchedEffect(Unit) {
+            client.ignoredUsersFlow
+                .map { ignoredUsers -> roomMemberId in ignoredUsers }
+                .distinctUntilChanged()
+                .onEach { isBlocked.value = AsyncData.Success(it) }
+                .launchIn(this)
         }
         LaunchedEffect(Unit) {
             // Update room member info when opening this screen
@@ -132,28 +135,18 @@ class RoomMemberDetailsPresenter @AssistedInject constructor(
     private fun CoroutineScope.blockUser(userId: UserId, isBlockedState: MutableState<AsyncData<Boolean>>) = launch {
         isBlockedState.value = AsyncData.Loading(false)
         client.ignoreUser(userId)
-            .fold(
-                onSuccess = {
-                    isBlockedState.value = AsyncData.Success(true)
-                    room.getUpdatedMember(userId)
-                },
-                onFailure = {
-                    isBlockedState.value = AsyncData.Failure(it, false)
-                }
-            )
+            .onFailure {
+                isBlockedState.value = AsyncData.Failure(it, false)
+            }
+        // Note: on success, ignoredUserList will be updated.
     }
 
     private fun CoroutineScope.unblockUser(userId: UserId, isBlockedState: MutableState<AsyncData<Boolean>>) = launch {
         isBlockedState.value = AsyncData.Loading(true)
         client.unignoreUser(userId)
-            .fold(
-                onSuccess = {
-                    isBlockedState.value = AsyncData.Success(false)
-                    room.getUpdatedMember(userId)
-                },
-                onFailure = {
-                    isBlockedState.value = AsyncData.Failure(it, true)
-                }
-            )
+            .onFailure {
+                isBlockedState.value = AsyncData.Failure(it, true)
+            }
+        // Note: on success, ignoredUserList will be updated.
     }
 }

features/roomdetails/impl/src/test/kotlin/io/element/android/features/roomdetails/members/details/RoomMemberDetailsPresenterTests.kt

@@ -18,6 +18,7 @@ package io.element.android.features.roomdetails.members.details
 
 import app.cash.molecule.RecompositionMode
 import app.cash.molecule.moleculeFlow
+import app.cash.turbine.ReceiveTurbine
 import app.cash.turbine.test
 import com.google.common.truth.Truth.assertThat
 import io.element.android.features.createroom.api.StartDMAction
@@ -63,7 +64,7 @@ class RoomMemberDetailsPresenterTests {
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
-            val initialState = awaitItem()
+            val initialState = awaitFirstItem()
             assertThat(initialState.userId).isEqualTo(roomMember.userId.value)
             assertThat(initialState.userName).isEqualTo(roomMember.displayName)
             assertThat(initialState.avatarUrl).isEqualTo(roomMember.avatarUrl)
@@ -90,7 +91,7 @@ class RoomMemberDetailsPresenterTests {
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
-            val initialState = awaitItem()
+            val initialState = awaitFirstItem()
             assertThat(initialState.userName).isEqualTo(roomMember.displayName)
             assertThat(initialState.avatarUrl).isEqualTo(roomMember.avatarUrl)
 
@@ -113,7 +114,7 @@ class RoomMemberDetailsPresenterTests {
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
-            val initialState = awaitItem()
+            val initialState = awaitFirstItem()
             assertThat(initialState.userName).isEqualTo(roomMember.displayName)
             assertThat(initialState.avatarUrl).isEqualTo(roomMember.avatarUrl)
 
@@ -127,7 +128,7 @@ class RoomMemberDetailsPresenterTests {
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
-            val initialState = awaitItem()
+            val initialState = awaitFirstItem()
             initialState.eventSink(RoomMemberDetailsEvents.BlockUser(needsConfirmation = true))
 
             val dialogState = awaitItem()
@@ -142,17 +143,24 @@ class RoomMemberDetailsPresenterTests {
 
     @Test
     fun `present - BlockUser and UnblockUser without confirmation change the 'blocked' state`() = runTest {
-        val presenter = createRoomMemberDetailsPresenter()
+        val client = FakeMatrixClient()
+        val roomMember = aRoomMember()
+        val presenter = createRoomMemberDetailsPresenter(
+            client = client,
+            roomMember = roomMember,
+        )
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
-            val initialState = awaitItem()
+            val initialState = awaitFirstItem()
             initialState.eventSink(RoomMemberDetailsEvents.BlockUser(needsConfirmation = false))
             assertThat(awaitItem().isBlocked.isLoading()).isTrue()
+            client.emitIgnoreUserList(listOf(roomMember.userId))
             assertThat(awaitItem().isBlocked.dataOrNull()).isTrue()
 
             initialState.eventSink(RoomMemberDetailsEvents.UnblockUser(needsConfirmation = false))
             assertThat(awaitItem().isBlocked.isLoading()).isTrue()
+            client.emitIgnoreUserList(listOf())
             assertThat(awaitItem().isBlocked.dataOrNull()).isFalse()
         }
     }
@@ -165,7 +173,7 @@ class RoomMemberDetailsPresenterTests {
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
-            val initialState = awaitItem()
+            val initialState = awaitFirstItem()
             initialState.eventSink(RoomMemberDetailsEvents.BlockUser(needsConfirmation = false))
             assertThat(awaitItem().isBlocked.isLoading()).isTrue()
             val errorState = awaitItem()
@@ -182,7 +190,7 @@ class RoomMemberDetailsPresenterTests {
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
-            val initialState = awaitItem()
+            val initialState = awaitFirstItem()
             initialState.eventSink(RoomMemberDetailsEvents.UnblockUser(needsConfirmation = true))
 
             val dialogState = awaitItem()
@@ -202,7 +210,7 @@ class RoomMemberDetailsPresenterTests {
         moleculeFlow(RecompositionMode.Immediate) {
             presenter.present()
         }.test {
-            val initialState = awaitItem()
+            val initialState = awaitFirstItem()
             assertThat(initialState.startDmActionState).isInstanceOf(AsyncAction.Uninitialized::class.java)
             val startDMSuccessResult = AsyncAction.Success(A_ROOM_ID)
             val startDMFailureResult = AsyncAction.Failure(A_THROWABLE)
@@ -229,6 +237,11 @@ class RoomMemberDetailsPresenterTests {
         }
     }
 
+    private suspend fun <T> ReceiveTurbine<T>.awaitFirstItem(): T {
+        skipItems(1)
+        return awaitItem()
+    }
+
     private fun createRoomMemberDetailsPresenter(
         client: MatrixClient = FakeMatrixClient(),
         room: MatrixRoom = aMatrixRoom(),

libraries/matrix/test/src/main/kotlin/io/element/android/libraries/matrix/test/FakeMatrixClient.kt

@@ -48,6 +48,7 @@ import io.element.android.libraries.matrix.test.verification.FakeSessionVerifica
 import io.element.android.tests.testutils.simulateLongTask
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
+import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
@@ -205,6 +206,10 @@ class FakeMatrixClient(
         return RoomMembershipObserver()
     }
 
+    suspend fun emitIgnoreUserList(users: List<UserId>) {
+        ignoredUsersFlow.emit(users.toImmutableList())
+    }
+
     // Mocks
 
     fun givenLogoutError(failure: Throwable?) {