feat: #109-채팅 기반 함수 및 최소 테스트 성공

kookmin-sw · May 2, 2024 · 08758af · 08758af
1 parent bd778d2
commit 08758af
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Showing 7 changed files with 218 additions and 25 deletions.
diff --git a/front/capstone_front/lib/main.dart b/front/capstone_front/lib/main.dart
@@ -38,6 +38,7 @@ import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import 'package:go_router/go_router.dart';
 import 'package:provider/provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 // 앱에서 지원하는 언어 리스트 변수
 final supportedLocales = [const Locale('en', 'US'), const Locale('ko', 'KR')];
@@ -61,6 +62,11 @@ Future<void> setSetting() async {
   if (str == 'true') {
     _isLogin = true;
   }
+  // storage.write(key: "uuid", value: "GVxxcceRRFNcWS690xLo85I8pV03");
+  final SharedPreferences prefs = await SharedPreferences.getInstance();
+  prefs.remove("chatRoomData");
+  prefs.remove("23EiDZdTsQXL6erpvmztnnekIKE3");
+  prefs.remove("GVxxcceRRFNcWS690xLo85I8pV03");
 }
 
 void initializeFirebase() async {

diff --git a/front/capstone_front/lib/models/api_fail_response.dart b/front/capstone_front/lib/models/api_fail_response.dart
@@ -1,16 +1,13 @@
 class ApiFailResponse {
   final bool success;
   final String message;
-  final String code;
 
   ApiFailResponse({
     required this.success,
     required this.message,
-    required this.code,
   });
 
   ApiFailResponse.fromJson(Map<String, dynamic> json)
       : success = json['success'] as bool,
-        message = json['message'] as String,
-        code = json['code'] as String;
+        message = json['message'] as String;
 }
diff --git a/front/capstone_front/lib/models/chat_model.dart b/front/capstone_front/lib/models/chat_model.dart
@@ -3,10 +3,24 @@ class ChatModel {
   String content;
   String timestamp;
 
+  ChatModel({
+    required this.id,
+    required this.content,
+    required this.timestamp,
+  });
+
   ChatModel.fromJson(Map<String, dynamic> json)
       : id = json['id'],
         content = json['content'],
         timestamp = json['timestamp'];
+
+  Map<String, dynamic> toJson() {
+    return {
+      'id': id,
+      'content': content,
+      'timestamp': timestamp,
+    };
+  }
 }
 
 class ChatModelForChatList extends ChatModel {

diff --git a/front/capstone_front/lib/models/chat_room_model.dart b/front/capstone_front/lib/models/chat_room_model.dart
@@ -6,11 +6,31 @@ class ChatRoomModel {
   String chatRoomMessage;
   String chatRoomDate;
 
+  ChatRoomModel({
+    required this.chatRoomId,
+    required this.userId,
+    required this.userName,
+    required this.lastMessageId,
+    required this.chatRoomMessage,
+    required this.chatRoomDate,
+  });
+
   ChatRoomModel.fromJson(Map<String, dynamic> json)
       : chatRoomId = json['chatRoomId'],
         userId = json['userId'],
         userName = json['userName'],
         lastMessageId = json['lastMessageId'],
         chatRoomMessage = json['chatRoomMessage'],
         chatRoomDate = json['chatRoomDate'];
+
+  Map<String, dynamic> toJson() {
+    return {
+      'chatRoomId': chatRoomId,
+      'userId': userId,
+      'userName': userName,
+      'lastMessageId': lastMessageId,
+      'chatRoomMessage': chatRoomMessage,
+      'chatRoomDate': chatRoomDate,
+    };
+  }
 }
diff --git a/front/capstone_front/lib/screens/helper/helper_chatting/helper_chatting_room.dart b/front/capstone_front/lib/screens/helper/helper_chatting/helper_chatting_room.dart
@@ -1,7 +1,15 @@
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:capstone_front/models/chat_model.dart';
+import 'package:capstone_front/models/chat_room_model.dart';
+import 'package:capstone_front/services/chat_service.dart';
 import 'package:capstone_front/utils/bubble_painter1.dart';
 import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 class HelperChattingRoom extends StatefulWidget {
   const HelperChattingRoom({super.key});
@@ -11,16 +19,29 @@ class HelperChattingRoom extends StatefulWidget {
 }
 
 class _HelperChattingRoomState extends State<HelperChattingRoom> {
+  FlutterSecureStorage storage = const FlutterSecureStorage();
   final ScrollController _scrollController = ScrollController();
   final TextEditingController _textController = TextEditingController();
   final List<String> _messages = [];
   final int _maxLines = 1;
 
-  void _sendMessage() {
+  String userId = "GVxxcceRRFNcWS690xLo85I8pV03";
+  String userName = "partner";
+  late int chatRoomId;
+  late int lastMessageId = 0;
+  late String lastMessage = "";
+  late String chatRoomDate = "";
+  late List<ChatModel> messages = [];
+  late List<ChatRoomModel> chatRooms;
+  bool isActive = true;
+
+  void _sendMessage() async {
     if (_textController.text.isNotEmpty) {
+      var content = _textController.text;
+      var newChat = await ChatService.sendChat(chatRoomId, content);
+
       setState(() {
-        // Todo: _textController.text를 서버로 보내고 답변 받아오기
-        _messages.insert(_messages.length, _textController.text);
+        messages.insert(messages.length, newChat);
         _textController.clear();
 
         // 텍스트 입력 시 방금 입력된 텍스트가 보일 수 있도록 이동
@@ -29,10 +50,143 @@ class _HelperChattingRoomState extends State<HelperChattingRoom> {
           duration: const Duration(milliseconds: 100),
           curve: Curves.easeInOut,
         );
+        // TODO setState 안에서 이게 되나?
+        saveChatData(messages, userId);
+      });
+    }
+  }
+
+  // 채팅 데이터 저장
+  Future<void> saveChatData(List<ChatModel> chats, String partner) async {
+    final SharedPreferences prefs = await SharedPreferences.getInstance();
+    List<String> chatData =
+        chats.map((chat) => json.encode(chat.toJson())).toList();
+
+    await prefs.setStringList(partner, chatData);
+  }
+
+  // 채팅 데이터 불러오기
+  Future<List<ChatModel>> loadChatData(String partner) async {
+    final SharedPreferences prefs = await SharedPreferences.getInstance();
+    List<String> chatData = prefs.getStringList(partner) ?? [];
+
+    return chatData
+        .map((chat) => ChatModel.fromJson(json.decode(chat)))
+        .toList();
+  }
+
+  // 채팅방 데이터 저장
+  Future<void> saveChatRoomData(List<ChatRoomModel> chatRooms) async {
+    final SharedPreferences prefs = await SharedPreferences.getInstance();
+    List<String> chatRoomData =
+        chatRooms.map((chatRoom) => json.encode(chatRoom.toJson())).toList();
+    await prefs.setStringList('chatRoomData', chatRoomData);
+  }
+
+// 채팅방 데이터 불러오기
+  Future<List<ChatRoomModel>> loadChatRoomData() async {
+    final SharedPreferences prefs = await SharedPreferences.getInstance();
+    List<String> chatRoomData = prefs.getStringList('chatRoomData') ?? [];
+    return chatRoomData
+        .map((chatRoom) => ChatRoomModel.fromJson(json.decode(chatRoom)))
+        .toList();
+  }
+
+  // 초기 채팅방을 설정함
+  Future<void> initializeChat() async {
+    var chatRoomList = await loadChatRoomData();
+
+    var flag = false;
+    for (var chatRoom in chatRoomList) {
+      // uuid로 이 사람과의 채팅이 처음인지 아닌지 판단
+      print(chatRoom.userId);
+      print(1);
+      if (chatRoom.userId == userId) {
+        flag = true;
+        var chatHistory = await loadChatData(userId);
+        setState(() {
+          chatRoomId = chatRoom.chatRoomId;
+          lastMessageId = chatRoom.lastMessageId;
+          lastMessage = chatRoom.chatRoomMessage;
+          chatRoomDate = chatRoom.chatRoomDate;
+          messages = chatHistory;
+        });
+        break;
+      }
+    }
+
+    if (flag) {
+      var newChats = await ChatService.loadNewChats(chatRoomId, lastMessageId);
+      messages.addAll(newChats);
+    } else {
+      var newChatRoomId = await ChatService.connectChat(userId);
+      if (newChatRoomId == -1) {
+        // 이미 나와 상대와의 채팅방이 존재함
+      }
+      var newChatRoom = ChatRoomModel(
+        chatRoomId: newChatRoomId,
+        userId: userId,
+        userName: userName,
+        lastMessageId: lastMessageId,
+        chatRoomMessage: lastMessage,
+        chatRoomDate: chatRoomDate,
+      );
+
+      setState(() {
+        chatRoomId = newChatRoomId;
+        lastMessageId = 0;
+        lastMessage = "";
+        chatRoomDate = "";
+        messages = [];
+        chatRoomList.add(newChatRoom);
+        saveChatRoomData(chatRoomList);
       });
     }
   }
 
+  Future<void> startPolling(int chatRoomId, int lastMessageId) async {
+    print('chatRoomId');
+    print(chatRoomId);
+    try {
+      while (isActive) {
+        print(1);
+        try {
+          var newMessages =
+              await ChatService.pollingChat(chatRoomId, lastMessageId);
+          if (newMessages.isNotEmpty) {
+            print("GOT MESSAGE");
+            setState(() {
+              messages.addAll(newMessages);
+              lastMessageId = messages.last.id;
+            });
+          }
+
+          await Future.delayed(const Duration(seconds: 3));
+        } catch (e) {
+          print('Error while polling: $e');
+          await Future.delayed(const Duration(seconds: 3));
+        }
+      }
+    } catch (e) {
+      print('Unexpected error in polling loop: $e');
+    }
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    initializeChat().then((_) {
+      startPolling(chatRoomId, lastMessageId);
+    });
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    isActive = false;
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -56,7 +210,7 @@ class _HelperChattingRoomState extends State<HelperChattingRoom> {
                     reverse: true,
                     shrinkWrap: true,
                     controller: _scrollController,
-                    itemCount: _messages.length,
+                    itemCount: messages.length,
                     itemBuilder: (context, index) {
                       return Padding(
                         padding: const EdgeInsets.only(
@@ -72,7 +226,7 @@ class _HelperChattingRoomState extends State<HelperChattingRoom> {
                             child: Padding(
                               padding: const EdgeInsets.all(10.0),
                               child: Text(
-                                _messages[_messages.length - 1 - index],
+                                messages[messages.length - 1 - index].content,
                                 style: const TextStyle(color: Colors.white),
                               ),
                             ),