[Chat][Feature] Edit Message Redux (#526)

azure-communication-ui/chat/src/main/java/com/azure/android/communication/ui/chat/error/ErrorCode.kt

@@ -13,6 +13,7 @@ internal class ErrorCode : ExpandableStringEnum<ErrorCode?>() {
         val CHAT_FETCH_MESSAGES_FAILED = fromString("chatFetchMessagesFailed")
         val CHAT_REQUEST_PARTICIPANTS_FETCH_FAILED =
             fromString("chatRequestParticipantsFetchFailed")
+        val CHAT_SEND_EDIT_MESSAGE_FAILED = fromString("chatSendEditMessageFailed")
         val CHAT_SEND_READ_RECEIPT_FAILED = fromString("chatSendReadReceiptFailed")
         val CHAT_SEND_TYPING_INDICATOR_FAILED = fromString("chatSendTypingIndicatorFailed")
 

azure-communication-ui/chat/src/main/java/com/azure/android/communication/ui/chat/redux/action/ChatAction.kt

@@ -20,6 +20,7 @@ internal sealed class ChatAction : Action {
     class MessagesPageReceived(val messages: List<MessageInfoModel>) : ChatAction()
     class EndChat : ChatAction()
     class MessageReceived(val message: MessageInfoModel) : ChatAction()
+    class EditMessage(val message: MessageInfoModel) : ChatAction()
     class MessageEdited(val message: MessageInfoModel) : ChatAction()
     class MessageRead(val messageId: String) : ChatAction()
     class TypingIndicator : ChatAction()

azure-communication-ui/chat/src/main/java/com/azure/android/communication/ui/chat/redux/middleware/sdk/ChatActionHandler.kt

@@ -27,6 +27,7 @@ internal class ChatActionHandler(private val chatService: ChatService) {
             )
             is ChatAction.SendMessage -> sendMessage(action = action, dispatch = dispatch)
             is ChatAction.FetchMessages -> fetchMessages()
+            is ChatAction.EditMessage -> editMessage(action = action, dispatch = dispatch)
             is ChatAction.DeleteMessage -> deleteMessage(action = action, dispatch = dispatch)
             is ChatAction.MessageRead -> sendReadReceipt(action = action, dispatch = dispatch)
             is ChatAction.TypingIndicator -> sendTypingIndicator(dispatch = dispatch)
@@ -97,6 +98,23 @@ internal class ChatActionHandler(private val chatService: ChatService) {
         }
     }
 
+    private fun editMessage(action: ChatAction.EditMessage, dispatch: Dispatch) {
+        chatService.editMessage(action.message.id ?: "", action.message.content ?: "")
+            .whenComplete { _, error ->
+                if (error != null) {
+                    dispatch(
+                        ErrorAction.ChatStateErrorOccurred(
+                            chatStateError = ChatStateError(
+                                errorCode = ErrorCode.CHAT_SEND_EDIT_MESSAGE_FAILED
+                            )
+                        )
+                    )
+                } else {
+                    dispatch(ChatAction.MessageEdited(action.message))
+                }
+            }
+    }
+
     private fun sendReadReceipt(action: ChatAction.MessageRead, dispatch: Dispatch) {
         chatService.sendReadReceipt(action.messageId).whenComplete { _, error ->
             if (error != null) {

azure-communication-ui/chat/src/test/java/com/azure/android/communication/ui/chat/redux/middleware/sdk/ChatActionHandlerUnitTest.kt

@@ -197,6 +197,83 @@ internal class ChatActionHandlerUnitTest : ACSBaseTestCoroutine() {
             )
         }
 
+    @ExperimentalCoroutinesApi
+    @Test
+    fun chatMiddlewareActionHandler_editMessage_then_dispatch_ChatActionEditMessage() =
+        runScopedTest {
+            // arrange
+            val messageInfoModel = MessageInfoModel(
+                id = "Message",
+                internalId = "54321",
+                messageType = ChatMessageType.TEXT,
+                content = "hello, world!"
+            )
+
+            val editChatMessageCompletableFuture = CompletableFuture<Void>()
+
+            val mockChatService: ChatService = mock {
+                on { editMessage(messageInfoModel.id.toString(), messageInfoModel.content.toString()) } doReturn editChatMessageCompletableFuture
+            }
+
+            val chatHandler = ChatActionHandler(mockChatService)
+
+            val action = ChatAction.EditMessage(messageInfoModel)
+
+            val mockAppStore = mock<AppStore<ReduxState>> {
+                on { dispatch(any()) } doAnswer { }
+            }
+            val mockAppState = mock<ReduxState> {}
+
+            // act
+            chatHandler.onAction(action, mockAppStore::dispatch, mockAppState)
+
+            editChatMessageCompletableFuture.complete(any())
+
+            // assert
+            verify(mockAppStore, times(1)).dispatch(
+                argThat { action ->
+                    action is ChatAction.MessageEdited
+                }
+            )
+        }
+
+    @ExperimentalCoroutinesApi
+    @Test
+    fun chatMiddlewareActionHandler_editMessage_then_dispatch_ChatStateErrorOccurred() =
+        runScopedTest {
+            // arrange
+            val messageInfoModel = MessageInfoModel(
+                id = "Message",
+                internalId = "54321",
+                messageType = ChatMessageType.TEXT,
+                content = "hello, world!"
+            )
+
+            val error = Exception("test")
+            val editChatMessageCompletableFuture = CompletableFuture<Void>()
+            val mockChatService: ChatService = mock {
+                on { editMessage(messageInfoModel.id.toString(), messageInfoModel.content.toString()) } doReturn editChatMessageCompletableFuture
+            }
+
+            val chatHandler = ChatActionHandler(mockChatService)
+            val action = ChatAction.EditMessage(messageInfoModel)
+            val mockAppStore = mock<AppStore<ReduxState>> {
+                on { dispatch(any()) } doAnswer { }
+            }
+            val mockAppState = mock<ReduxState> {}
+
+            // act
+            chatHandler.onAction(action, mockAppStore::dispatch, mockAppState)
+            editChatMessageCompletableFuture.completeExceptionally(error)
+
+            // assert
+            verify(mockAppStore, times(1)).dispatch(
+                argThat { action ->
+                    action is ErrorAction.ChatStateErrorOccurred
+                }
+            )
+        }
+
     @ExperimentalCoroutinesApi
     @Test
     fun chatMiddlewareActionHandler_fetchMessage_then_call_chatServiceGetPreviousPage() =