feat: show proper error message if user is not allowed to create a conversation(WPB-16977) (#3985)

Author: ohassine

app/src/main/kotlin/com/wire/android/ui/home/newconversation/NewConversationViewModel.kt

@@ -66,7 +66,7 @@ class NewConversationViewModel @Inject constructor(
     private val getSelfUser: GetSelfUserUseCase,
     private val getDefaultProtocol: GetDefaultProtocolUseCase,
     private val globalDataStore: GlobalDataStore,
-    ) : ViewModel() {
+) : ViewModel() {
 
     var newGroupNameTextState: TextFieldState = TextFieldState()
     var newGroupState: GroupMetadataState by mutableStateOf(
@@ -320,16 +320,24 @@ class NewConversationViewModel @Inject constructor(
                 result.conversation.id
             }
 
+            ConversationCreationResult.Forbidden -> {
+                appLogger.d("Can't create conversation due to Insufficient permissions")
+                groupOptionsState = groupOptionsState.copy(isLoading = false)
+                newGroupState = newGroupState.copy(isLoading = false)
+                createGroupState = createGroupState.copy(error = CreateGroupState.Error.Forbidden)
+                null
+            }
+
             ConversationCreationResult.SyncFailure -> {
-                appLogger.d("Can't create group due to SyncFailure")
+                appLogger.d("Can't create conversation due to SyncFailure")
                 groupOptionsState = groupOptionsState.copy(isLoading = false)
                 newGroupState = newGroupState.copy(isLoading = false)
                 createGroupState = createGroupState.copy(error = CreateGroupState.Error.LackingConnection)
                 null
             }
 
             is ConversationCreationResult.UnknownFailure -> {
-                appLogger.w("Error while creating a group ${result.cause}")
+                appLogger.w("Error while creating a conversation ${result.cause}")
                 groupOptionsState = groupOptionsState.copy(isLoading = false)
                 newGroupState = newGroupState.copy(isLoading = false)
                 createGroupState = createGroupState.copy(error = CreateGroupState.Error.Unknown)

app/src/main/kotlin/com/wire/android/ui/home/newconversation/common/CreateGroupErrorDialog.kt

@@ -57,6 +57,10 @@ fun CreateGroupErrorDialog(
             linkText = stringResource(id = R.string.label_learn_more),
             linkUrl = stringResource(id = R.string.url_message_details_offline_backends_learn_more)
         )
+        is CreateGroupState.Error.Forbidden -> DialogErrorStrings(
+            title = stringResource(R.string.conversation_can_not_be_created_title),
+            message = stringResource(R.string.create_channel_error_forbidden_message),
+        ) to null
     }
 
     WireDialog(

app/src/main/kotlin/com/wire/android/ui/home/newconversation/common/CreateGroupState.kt

@@ -22,6 +22,7 @@ data class CreateGroupState(
 ) {
     sealed interface Error {
         data object Unknown : Error
+        data object Forbidden : Error
         data object LackingConnection : Error
         data class ConflictedBackends(val domains: List<String>) : Error
 

app/src/main/res/values/strings.xml

@@ -560,6 +560,7 @@
     <string name="regular_group_name_exceeded_limit_error">Group name should not exceed 64 characters</string>
     <string name="channel_name_exceeded_limit_error">Channel name should not exceed 64 characters</string>
     <string name="conversation_can_not_be_created_title">Conversation can\'t be created</string>
+    <string name="create_channel_error_forbidden_message">Feature is not available, please check with your team admin</string>
     <string name="conversation_can_not_be_created_federation_conflict_description">People from backends %1$s and %2$s can\'t join the same conversation.\n\nTo create the conversation, remove affected participants.</string>
     <string name="conversation_can_not_be_created_edit_participant_list">Edit Participants List</string>
     <string name="conversation_can_not_be_created_discard_creation">Discard Conversation Creation</string>