[#170 feat] : users can delete messages sent by them

lib/data/chat_data.dart

@@ -135,4 +135,53 @@ class ChatData {
           responseStatus: false, response: 'Failed to send message.');
     }
   }
+
+  static Future<CustomResponse> unsendMessage(
+      Message message, String firstUser, String secondUser) async {
+    try {
+      // Remove the message from 'messages' subcollection of the appropriate chat document
+      await Database.chatDatabase
+          .doc(message.chatId)
+          .collection('messages')
+          .doc(message.id)
+          .delete();
+
+      var lastChatDetail =
+          await Database.chatDatabase.doc(message.chatId).get();
+      Chat chat = Chat.fromMap(lastChatDetail.data()!);
+
+      // Update the lastMessage and timeOfLastMessage fields in the chat document only if deleted message was the last message
+      if (chat.timeOfLastMessage == message.createdAt) {
+        Database.chatDatabase.doc(message.chatId).update({
+          'lastMessage': 'Last message was deleted',
+        });
+      }
+
+      // Update the latest message for both the users only if deleted message was the last message
+      if (chat.timeOfLastMessage == message.createdAt) {
+        Database.userDatabase
+            .doc(firstUser)
+            .collection('chats')
+            .doc(message.chatId)
+            .update({
+          'lastMessage': message.message,
+        });
+
+        Database.userDatabase
+            .doc(secondUser)
+            .collection('chats')
+            .doc(message.chatId)
+            .update({
+          'lastMessage': message.message,
+        });
+      }
+
+      return CustomResponse(
+          responseStatus: true, response: 'Message deleted successfully.');
+    } catch (e) {
+      print('Error deleting message: $e');
+      return CustomResponse(
+          responseStatus: false, response: 'Failed to deleted message.');
+    }
+  }
 }

lib/view/screens/ChatScreen/inbox_screen.dart

@@ -10,16 +10,14 @@ import 'package:wave/models/message_model.dart';
 import 'package:wave/models/response_model.dart';
 import 'package:wave/models/user_model.dart';
 import 'package:wave/services/custom_notification_service.dart';
-import 'package:wave/services/notification_service.dart';
 import 'package:wave/utils/constants/custom_colors.dart';
 import 'package:wave/utils/constants/custom_fonts.dart';
-import 'package:wave/utils/constants/custom_icons.dart';
 import 'package:wave/utils/constants/database_endpoints.dart';
 import 'package:wave/utils/device_size.dart';
 import 'package:wave/utils/enums.dart';
 import 'package:wave/view/reusable_components/custom_textbox_for_comment.dart';
 import 'package:wave/view/reusable_components/message_container.dart';
-import 'package:wave/view/screens/NotificationScreen/notification_screen.dart';
+import 'package:wave/view/screens/ChatScreen/more_options_message.dart';
 
 class InboxScreen extends StatefulWidget {
   const InboxScreen({
@@ -38,7 +36,6 @@ class _InboxScreenState extends State<InboxScreen> {
   TextEditingController? messageController;
   @override
   void initState() {
-    // TODO: implement initState
     super.initState();
     messageController = TextEditingController();
     otherUser = Get.arguments['otherUser'];
@@ -122,7 +119,8 @@ class _InboxScreenState extends State<InboxScreen> {
               CustomNotificationService.sendNotificationForMessage(
                   otherUser: otherUser!,
                   me: selfUser!,
-                  message: message.message, chatId: chatId!);
+                  message: message.message,
+                  chatId: chatId!);
             } else {
               log(customResponse.response.toString());
             }
@@ -143,7 +141,8 @@ class _InboxScreenState extends State<InboxScreen> {
                     messageSnap.connectionState == ConnectionState.done) &&
                 messageSnap.hasData) {
               return ListView.builder(
-                padding: EdgeInsets.symmetric(horizontal: 12, vertical: 12),
+                padding:
+                    const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
                 reverse: true,
                 itemCount: messageSnap.data!.docs.length,
                 itemBuilder: (BuildContext context, int index) {
@@ -152,17 +151,31 @@ class _InboxScreenState extends State<InboxScreen> {
                           as Map<String, dynamic>);
                   return Padding(
                     padding: const EdgeInsets.only(bottom: 4.0),
-                    child: MessageContainer(
-                        currentUser: selfUser!,
-                        sender: message.sender == selfUser!.id
-                            ? selfUser!
-                            : otherUser!,
-                        message: message),
+                    child: InkWell(
+                      onLongPress: () async {
+                        showModalBottomSheet(
+                          context: context,
+                          builder: (context) {
+                            return MoreOptionsForMessage(
+                              message: message,
+                              firstUser: selfUser!.id,
+                              secondUser: otherUser!.id,
+                            );
+                          },
+                        );
+                      },
+                      child: MessageContainer(
+                          currentUser: selfUser!,
+                          sender: message.sender == selfUser!.id
+                              ? selfUser!
+                              : otherUser!,
+                          message: message),
+                    ),
                   );
                 },
               );
             } else {
-              return Center(
+              return const Center(
                 child: CircularProgressIndicator(),
               );
             }

lib/view/screens/ChatScreen/more_options_message.dart

@@ -0,0 +1,102 @@
+import 'package:firebase_auth/firebase_auth.dart';
+import 'package:flutter/material.dart';
+import 'package:icons_plus/icons_plus.dart';
+import 'package:wave/data/chat_data.dart';
+import 'package:wave/models/message_model.dart';
+import 'package:wave/utils/constants/custom_fonts.dart';
+
+class MoreOptionsForMessage extends StatelessWidget {
+  final Message message;
+  final String firstUser;
+  final String secondUser;
+  const MoreOptionsForMessage(
+      {super.key,
+      required this.message,
+      required this.firstUser,
+      required this.secondUser});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+        child: Wrap(
+      children: [
+        Visibility(
+          visible: message.sender == FirebaseAuth.instance.currentUser!.uid,
+          child: ListTile(
+            leading: const Icon(AntDesign.edit_outline),
+            title: Text('Edit',
+                style: TextStyle(fontFamily: CustomFont.poppins, fontSize: 14)),
+            onTap: () {
+              // TODO : Edit Message
+            },
+          ),
+        ),
+        Visibility(
+          visible: message.sender == FirebaseAuth.instance.currentUser!.uid,
+          child: ListTile(
+            leading: const Icon(AntDesign.delete_fill),
+            title: Text('Delete',
+                style: TextStyle(fontFamily: CustomFont.poppins, fontSize: 14)),
+            onTap: () async {
+              showDialog(
+                context: context,
+                builder: (context) {
+                  return AlertDialog(
+                    shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(6)),
+                    title: Text(
+                      "Unsend Message?",
+                      style: TextStyle(
+                        fontSize: 16,
+                        fontWeight: FontWeight.bold,
+                        fontFamily: CustomFont.inter,
+                      ),
+                    ),
+                    content: Text(
+                      "Are you sure you want to delete this message ? The message will be deleted from both the devices and cannot be retreived.",
+                      style: TextStyle(
+                          fontSize: 13,
+                          color: Colors.grey,
+                          fontFamily: CustomFont.poppins),
+                    ),
+                    actions: [
+                      TextButton(
+                          onPressed: () async {
+                            Navigator.pop(context);
+                          },
+                          child: Text(
+                            "Cancel",
+                            style: TextStyle(
+                                fontFamily: CustomFont.poppins,
+                                color: Colors.black87),
+                          )),
+                      TextButton(
+                          onPressed: () async {
+                            ChatData.unsendMessage(
+                                message, firstUser, secondUser);
+                          },
+                          child: Text(
+                            "Delete",
+                            style: TextStyle(
+                                fontFamily: CustomFont.poppins,
+                                color: Colors.red),
+                          ))
+                    ],
+                  );
+                },
+              );
+            },
+          ),
+        ),
+        ListTile(
+          leading: const Icon(AntDesign.block_outline),
+          title: Text('Report',
+              style: TextStyle(fontFamily: CustomFont.poppins, fontSize: 14)),
+          onTap: () {
+            // TODO : Report Message
+          },
+        ),
+      ],
+    ));
+  }
+}