Handle network and permissions errors when saving group member label.

app/src/main/java/org/thoughtcrime/securesms/components/settings/conversation/ConversationSettingsFragment.kt

@@ -863,7 +863,7 @@ class ConversationSettingsFragment :
                 navController.safeNavigate(action)
               },
               onDisabledClicked = {
-                Snackbar.make(requireView(), R.string.ConversationSettingsFragment__only_admins_can_add_member_labels, Snackbar.LENGTH_SHORT).show()
+                Snackbar.make(requireView(), R.string.GroupMemberLabel__error_no_edit_permission, Snackbar.LENGTH_SHORT).show()
               }
             )
           }

app/src/main/java/org/thoughtcrime/securesms/groups/GroupInsufficientRightsException.java

@@ -2,7 +2,7 @@ package org.thoughtcrime.securesms.groups;
 
 public final class GroupInsufficientRightsException extends GroupChangeException {
 
-  GroupInsufficientRightsException(Throwable throwable) {
+  public GroupInsufficientRightsException(Throwable throwable) {
     super(throwable);
   }
 }

app/src/main/java/org/thoughtcrime/securesms/groups/memberlabel/MemberLabelFragment.kt

@@ -21,6 +21,8 @@ import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextFieldDefaults
 import androidx.compose.runtime.Composable
@@ -42,6 +44,7 @@ import androidx.core.os.bundleOf
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import org.signal.core.ui.compose.AllDevicePreviews
 import org.signal.core.ui.compose.Buttons
+import org.signal.core.ui.compose.CircularProgressWrapper
 import org.signal.core.ui.compose.ClearableTextField
 import org.signal.core.ui.compose.ComposeFragment
 import org.signal.core.ui.compose.Previews
@@ -87,6 +90,7 @@ class MemberLabelFragment : ComposeFragment(), ReactWithAnyEmojiBottomSheetDialo
   override fun FragmentContent() {
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
     val backPressedDispatcher = LocalOnBackPressedDispatcherOwner.current?.onBackPressedDispatcher
+    val snackbarHostState = remember { SnackbarHostState() }
 
     val callbacks = remember {
       object : MemberLabelUiCallbacks {
@@ -102,16 +106,34 @@ class MemberLabelFragment : ComposeFragment(), ReactWithAnyEmojiBottomSheetDialo
       }
     }
 
+    val networkErrorMessage = stringResource(R.string.GroupMemberLabel__error_cant_save_no_network)
+    val noPermissionErrorMessage = stringResource(R.string.GroupMemberLabel__error_no_edit_permission)
+
     LaunchedEffect(uiState.saveState) {
-      if (uiState.saveState is SaveState.Success) {
-        backPressedDispatcher?.onBackPressed()
-        viewModel.onSaveStateConsumed()
+      when (uiState.saveState) {
+        is SaveState.Success -> {
+          backPressedDispatcher?.onBackPressed()
+          viewModel.onSaveStateConsumed()
+        }
+
+        is SaveState.NetworkError -> {
+          snackbarHostState.showSnackbar(networkErrorMessage)
+          viewModel.onSaveStateConsumed()
+        }
+
+        is SaveState.InsufficientRights -> {
+          snackbarHostState.showSnackbar(noPermissionErrorMessage)
+          viewModel.onSaveStateConsumed()
+        }
+
+        is SaveState.InProgress, null -> Unit
       }
     }
 
     MemberLabelScreenUi(
       state = uiState,
-      callbacks = callbacks
+      callbacks = callbacks,
+      snackbarHostState = snackbarHostState
     )
   }
 
@@ -127,13 +149,15 @@ class MemberLabelFragment : ComposeFragment(), ReactWithAnyEmojiBottomSheetDialo
 @Composable
 private fun MemberLabelScreenUi(
   state: MemberLabelUiState,
-  callbacks: MemberLabelUiCallbacks
+  callbacks: MemberLabelUiCallbacks,
+  snackbarHostState: SnackbarHostState = remember { SnackbarHostState() }
 ) {
   Scaffolds.Settings(
     title = stringResource(R.string.GroupMemberLabel__title),
     onNavigationClick = callbacks::onClosePressed,
     navigationIcon = SignalIcons.X.imageVector,
-    navigationContentDescription = stringResource(R.string.GroupMemberLabel__accessibility_close_screen)
+    navigationContentDescription = stringResource(R.string.GroupMemberLabel__accessibility_close_screen),
+    snackbarHost = { SnackbarHost(snackbarHostState) }
   ) { paddingValues ->
 
     val focusRequester = remember { FocusRequester() }
@@ -191,13 +215,17 @@ private fun MemberLabelScreenUi(
         }
       }
 
-      SaveButton(
-        enabled = state.isSaveEnabled,
-        onClick = callbacks::onSaveClicked,
+      CircularProgressWrapper(
+        isLoading = state.saveState is SaveState.InProgress,
         modifier = Modifier
           .align(Alignment.BottomEnd)
           .padding(end = 24.dp, bottom = 16.dp)
-      )
+      ) {
+        SaveButton(
+          enabled = state.isSaveEnabled,
+          onClick = callbacks::onSaveClicked
+        )
+      }
     }
   }
 }

app/src/main/java/org/thoughtcrime/securesms/groups/memberlabel/MemberLabelRepository.kt

@@ -22,6 +22,7 @@ import org.thoughtcrime.securesms.groups.GroupManager
 import org.thoughtcrime.securesms.recipients.Recipient
 import org.thoughtcrime.securesms.recipients.RecipientId
 import org.thoughtcrime.securesms.util.RemoteConfig
+import org.whispersystems.signalservice.api.NetworkResult
 
 /**
  * Handles the retrieval and modification of group member labels.
@@ -52,12 +53,6 @@ class MemberLabelRepository private constructor(
   @WorkerThread
   fun getLabelJava(groupId: GroupId.V2, recipient: Recipient): MemberLabel? = runBlocking { getLabel(groupId, recipient) }
 
-  /**
-   * Checks whether the [Recipient] has permission to set their member label in the given group (blocking version for Java compatibility).
-   */
-  @WorkerThread
-  fun canSetLabelJava(groupId: GroupId.V2, recipient: Recipient): Boolean = runBlocking { canSetLabel(groupId, recipient) }
-
   /**
    * Gets the member label for a specific recipient in the group.
    */
@@ -117,13 +112,15 @@ class MemberLabelRepository private constructor(
   /**
    * Sets the group member label for the current user.
    */
-  suspend fun setLabel(groupId: GroupId.V2, label: MemberLabel): Unit = withContext(Dispatchers.IO) {
+  suspend fun setLabel(groupId: GroupId.V2, label: MemberLabel): NetworkResult<Unit> = withContext(Dispatchers.IO) {
     if (!RemoteConfig.sendMemberLabels) {
       throw IllegalStateException("Set member label not allowed due to remote config.")
     }
 
     val sanitizedLabel = label.sanitized()
-    GroupManager.updateMemberLabel(context, groupId, sanitizedLabel.text, sanitizedLabel.emoji.orEmpty())
+    NetworkResult.fromFetch {
+      GroupManager.updateMemberLabel(context, groupId, sanitizedLabel.text, sanitizedLabel.emoji.orEmpty())
+    }
   }
 }
 

app/src/main/java/org/thoughtcrime/securesms/groups/memberlabel/MemberLabelViewModel.kt

@@ -16,9 +16,11 @@ import org.signal.core.util.StringUtil
 import org.signal.core.util.concurrent.SignalDispatchers
 import org.thoughtcrime.securesms.conversation.colors.NameColor
 import org.thoughtcrime.securesms.groups.GroupId
+import org.thoughtcrime.securesms.groups.GroupInsufficientRightsException
 import org.thoughtcrime.securesms.groups.memberlabel.MemberLabelUiState.SaveState
 import org.thoughtcrime.securesms.recipients.Recipient
 import org.thoughtcrime.securesms.recipients.RecipientId
+import org.whispersystems.signalservice.api.NetworkResult
 
 class MemberLabelViewModel(
   private val memberLabelRepo: MemberLabelRepository = MemberLabelRepository.instance,
@@ -97,7 +99,7 @@ class MemberLabelViewModel(
       }
 
       val currentState = internalUiState.value
-      memberLabelRepo.setLabel(
+      val result = memberLabelRepo.setLabel(
         groupId = groupId,
         label = MemberLabel(
           emoji = currentState.labelEmoji.ifEmpty { null },
@@ -105,8 +107,24 @@ class MemberLabelViewModel(
         )
       )
 
+      val newSaveState: SaveState = when (result) {
+        is NetworkResult.Success -> SaveState.Success
+
+        is NetworkResult.NetworkError<*> -> SaveState.NetworkError
+
+        is NetworkResult.ApplicationError<*> -> {
+          if (result.throwable is GroupInsufficientRightsException) {
+            SaveState.InsufficientRights
+          } else {
+            throw result.throwable
+          }
+        }
+
+        is NetworkResult.StatusCodeError<*> -> throw result.exception
+      }
+
       internalUiState.update {
-        it.copy(saveState = SaveState.Success)
+        it.copy(saveState = newSaveState)
       }
     }
   }
@@ -142,5 +160,7 @@ data class MemberLabelUiState(
   sealed interface SaveState {
     data object InProgress : SaveState
     data object Success : SaveState
+    data object NetworkError : SaveState
+    data object InsufficientRights : SaveState
   }
 }