Add Retry on Join room node.

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomEvents.kt

@@ -17,6 +17,7 @@
 package io.element.android.features.joinroom.impl
 
 sealed interface JoinRoomEvents {
+    data object Retry : JoinRoomEvents
     data object JoinRoom : JoinRoomEvents
     data object AcceptInvite : JoinRoomEvents
     data object DeclineInvite : JoinRoomEvents

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomPresenter.kt

@@ -20,8 +20,11 @@ import androidx.annotation.VisibleForTesting
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableIntStateOf
 import androidx.compose.runtime.produceState
+import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
 import dagger.assisted.Assisted
 import dagger.assisted.AssistedInject
 import io.element.android.features.invite.api.response.AcceptDeclineInviteEvents
@@ -32,6 +35,7 @@ import io.element.android.libraries.architecture.Presenter
 import io.element.android.libraries.matrix.api.MatrixClient
 import io.element.android.libraries.matrix.api.core.RoomId
 import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
+import io.element.android.libraries.matrix.api.core.toRoomIdOrAlias
 import io.element.android.libraries.matrix.api.room.CurrentUserMembership
 import io.element.android.libraries.matrix.api.room.MatrixRoomInfo
 import io.element.android.libraries.matrix.api.room.preview.RoomPreview
@@ -56,8 +60,13 @@ class JoinRoomPresenter @AssistedInject constructor(
     @Composable
     override fun present(): JoinRoomState {
         val coroutineScope = rememberCoroutineScope()
+        var retryCount by remember { mutableIntStateOf(0) }
         val roomInfo by matrixClient.getRoomInfoFlow(roomId).collectAsState(initial = Optional.empty())
-        val contentState by produceState<ContentState>(initialValue = ContentState.Loading(roomIdOrAlias), key1 = roomInfo) {
+        val contentState by produceState<ContentState>(
+            initialValue = ContentState.Loading(roomIdOrAlias),
+            key1 = roomInfo,
+            key2 = retryCount,
+        ) {
             value = when {
                 roomInfo.isPresent -> {
                     roomInfo.get().toContentState()
@@ -67,10 +76,17 @@ class JoinRoomPresenter @AssistedInject constructor(
                 }
                 else -> {
                     coroutineScope.launch {
-                        val result = matrixClient.getRoomPreview(roomIdOrAlias)
-                        value = result.getOrNull()
-                            ?.toContentState()
-                            ?: ContentState.UnknownRoom(roomIdOrAlias)
+                        val result = matrixClient.getRoomPreview(roomId.toRoomIdOrAlias())
+                        value = result.fold(
+                            onSuccess = { it.toContentState() },
+                            onFailure = { throwable ->
+                                if (throwable.message?.contains("403") == true) {
+                                    ContentState.UnknownRoom(roomIdOrAlias)
+                                } else {
+                                    ContentState.Failure(roomIdOrAlias, throwable)
+                                }
+                            }
+                        )
                     }
                     ContentState.Loading(roomIdOrAlias)
                 }
@@ -93,6 +109,9 @@ class JoinRoomPresenter @AssistedInject constructor(
                         AcceptDeclineInviteEvents.DeclineInvite(inviteData)
                     )
                 }
+                JoinRoomEvents.Retry -> {
+                    retryCount++
+                }
             }
         }
 

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomState.kt

@@ -38,6 +38,7 @@ data class JoinRoomState(
 
 sealed interface ContentState {
     data class Loading(val roomIdOrAlias: RoomIdOrAlias) : ContentState
+    data class Failure(val roomIdOrAlias: RoomIdOrAlias, val error: Throwable) : ContentState
     data class UnknownRoom(val roomIdOrAlias: RoomIdOrAlias) : ContentState
     data class Loaded(
         val roomId: RoomId,

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomStateProvider.kt

@@ -21,6 +21,7 @@ import io.element.android.features.invite.api.response.AcceptDeclineInviteState
 import io.element.android.features.invite.api.response.anAcceptDeclineInviteState
 import io.element.android.libraries.matrix.api.core.RoomAlias
 import io.element.android.libraries.matrix.api.core.RoomId
+import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
 import io.element.android.libraries.matrix.api.core.toRoomIdOrAlias
 
 open class JoinRoomStateProvider : PreviewParameterProvider<JoinRoomState> {
@@ -41,6 +42,21 @@ open class JoinRoomStateProvider : PreviewParameterProvider<JoinRoomState> {
             aJoinRoomState(
                 contentState = aLoadedContentState(joinAuthorisationStatus = JoinAuthorisationStatus.IsInvited)
             ),
+            aJoinRoomState(
+                contentState = aFailureContentState()
+            ),
+            aJoinRoomState(
+                contentState = aFailureContentState(roomIdOrAlias = A_ROOM_ALIAS.toRoomIdOrAlias())
+            ),
+        )
+}
+
+fun aFailureContentState(
+    roomIdOrAlias: RoomIdOrAlias = A_ROOM_ID.toRoomIdOrAlias()
+): ContentState {
+    return ContentState.Failure(
+        roomIdOrAlias = roomIdOrAlias,
+        error = Exception("Error"),
     )
 }
 
@@ -79,3 +95,4 @@ fun aJoinRoomState(
 )
 
 private val A_ROOM_ID = RoomId("!exa:matrix.org")
+private val A_ROOM_ALIAS = RoomAlias("#exa:matrix.org")

features/joinroom/impl/src/main/kotlin/io/element/android/features/joinroom/impl/JoinRoomView.kt

@@ -28,6 +28,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.widthIn
 import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -52,6 +53,7 @@ import io.element.android.libraries.designsystem.theme.components.Icon
 import io.element.android.libraries.designsystem.theme.components.OutlinedButton
 import io.element.android.libraries.designsystem.theme.components.Text
 import io.element.android.libraries.designsystem.theme.components.TopAppBar
+import io.element.android.libraries.matrix.api.core.RoomIdOrAlias
 import io.element.android.libraries.ui.strings.CommonStrings
 
 @Composable
@@ -71,7 +73,7 @@ fun JoinRoomView(
         },
         footer = {
             JoinRoomFooter(
-                joinAuthorisationStatus = state.joinAuthorisationStatus,
+                state = state,
                 onAcceptInvite = {
                     state.eventSink(JoinRoomEvents.AcceptInvite)
                 },
@@ -81,6 +83,9 @@ fun JoinRoomView(
                 onJoinRoom = {
                     state.eventSink(JoinRoomEvents.JoinRoom)
                 },
+                onRetry = {
+                    state.eventSink(JoinRoomEvents.Retry)
+                }
             )
         }
     )
@@ -88,12 +93,22 @@ fun JoinRoomView(
 
 @Composable
 private fun JoinRoomFooter(
-    joinAuthorisationStatus: JoinAuthorisationStatus,
+    state: JoinRoomState,
     onAcceptInvite: () -> Unit,
     onDeclineInvite: () -> Unit,
     onJoinRoom: () -> Unit,
+    onRetry: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
+    if (state.contentState is ContentState.Failure) {
+        Button(
+            text = stringResource(CommonStrings.action_retry),
+            onClick = onRetry,
+            modifier = modifier.fillMaxWidth(),
+            size = ButtonSize.Medium,
+        )
+    } else {
+        val joinAuthorisationStatus = state.joinAuthorisationStatus
         when (joinAuthorisationStatus) {
             JoinAuthorisationStatus.IsInvited -> {
                 ButtonRowMolecule(modifier = modifier, horizontalArrangement = Arrangement.spacedBy(20.dp)) {
@@ -130,6 +145,7 @@ private fun JoinRoomFooter(
             JoinAuthorisationStatus.Unknown -> Unit
         }
     }
+}
 
 @Composable
 private fun JoinRoomContent(
@@ -187,6 +203,32 @@ private fun JoinRoomContent(
                 },
             )
         }
+        is ContentState.Failure -> {
+            ContentScaffold(
+                modifier = modifier,
+                avatar = {
+                    PlaceholderAtom(width = AvatarSize.RoomHeader.dp, height = AvatarSize.RoomHeader.dp)
+                },
+                title = {
+                    when (contentState.roomIdOrAlias) {
+                        is RoomIdOrAlias.Alias -> {
+                            Title(contentState.roomIdOrAlias.identifier)
+                        }
+                        is RoomIdOrAlias.Id -> {
+                            PlaceholderAtom(width = 200.dp, height = 22.dp)
+                        }
+                    }
+                },
+                subtitle = {
+                    Text(
+                        text = "Failed to get information about the room",
+                        textAlign = TextAlign.Center,
+                        color = MaterialTheme.colorScheme.error,
+                    )
+                },
+            )
+        }
+
     }
 }