complate

lib/main.dart

 import 'package:english_words/english_words.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import 'package:http/http.dart' as http;
+import 'dart:convert';
 
 void main() {
   runApp(MyApp());
@@ -26,18 +28,109 @@ class MyApp extends StatelessWidget {
 
 class MyAppState extends ChangeNotifier {
   var current = WordPair.random();
+  late Future<List<WordPair>> futureFavorites;
+  final String host = 'localhost:3000';
+  final String path = '';
+  var favorites = <WordPair>[];
+
+  final Map<String, String> headers = {
+    'accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7',
+    'accept-language': 'ko-KR,ko;q=0.9,en-US;q=0.8,en;q=0.7',
+    'cache-control': 'no-cache',
+    'pragma': 'no-cache',
+    'priority': 'u=0, i',
+    'sec-ch-ua': '"Chromium";v="136", "Google Chrome";v="136", "Not.A/Brand";v="99"',
+    'sec-ch-ua-mobile': '?0',
+    'sec-ch-ua-platform': '"macOS"',
+    'sec-fetch-dest': 'document',
+    'sec-fetch-mode': 'navigate',
+    'sec-fetch-site': 'none',
+    'sec-fetch-user': '?1',
+    'upgrade-insecure-requests': '1',
+    'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36',
+  };
+
+  void printResponse(http.Response response, String operation) {
+    print('$operation response status: ${response.statusCode}');
+    print('$operation response body: ${response.body}');
+  }
+
+  MyAppState(){
+    futureFavorites = fetchFavorites();
+  }
+
+  Future<List<WordPair>> fetchFavorites() async {
+    try {
+      var response = await http.get(
+        Uri.http(host, path + '/likes'),
+        headers: headers,
+      );
+      printResponse(response, 'Fetch favorites');
+      
+      if (response.statusCode != 200) {
+        throw Exception('Failed to fetch favorites: ${response.statusCode} - ${response.body}');
+      }
+      var json = jsonDecode(response.body);
+      
+      List<WordPair> getFavorites = [];
+      for (var e in json) {
+        getFavorites.add(WordPair(e['id'].split('_')[0], e['id'].split('_')[1]));
+      }
+      favorites = [...getFavorites];
+      notifyListeners();
+      return favorites;
+    } catch (e) {
+      print('Error fetching favorites: $e');
+      return [];
+    }
+  }
 
   void getNext() {
     current = WordPair.random();
     notifyListeners();
   }
 
-  var favorites = <WordPair>[];
   
-  void toggleFavorite() {
+  Future<void> deleteFavorites() async {
+    try {
+      var response = await http.delete(
+        Uri.http(host, path + '/likes/${current.first}_${current.second}'),
+        headers: headers,
+      );
+      printResponse(response, 'Delete favorite');
+      
+      if (response.statusCode != 200) {
+        throw Exception('Failed to delete favorite: ${response.statusCode} - ${response.body}');
+      }
+    } catch (e) {
+      print('Error deleting favorite: $e');
+      rethrow;
+    }
+  }
+
+  Future<void> addFavorite() async {
+    try {
+      var response = await http.post(
+        Uri.http(host, path + '/likes/${current.first}_${current.second}'),
+        headers: headers,
+      );
+      printResponse(response, 'Add favorite');
+      
+      if (response.statusCode != 200) {
+        throw Exception('Failed to add favorite: ${response.statusCode} - ${response.body}');
+      }
+    } catch (e) {
+      print('Error adding favorite: $e');
+      rethrow;
+    }
+  }
+
+  void toggleFavorite() async {
     if (favorites.contains(current)) {
+      await deleteFavorites();
       favorites.remove(current);
     } else {
+      await addFavorite();
       favorites.add(current);
     }
     notifyListeners();

pubspec.lock

@@ -75,6 +75,22 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: "2c11f3f94c687ee9bad77c171151672986360b2b001d109814ee7140b2cf261b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
   leak_tracker:
     dependency: transitive
     description:
@@ -151,10 +167,10 @@ packages:
     dependency: "direct main"
     description:
       name: provider
-      sha256: "489024f942069c2920c844ee18bb3d467c69e48955a4f32d1677f71be103e310"
+      sha256: "4abbd070a04e9ddc287673bf5a030c7ca8b685ff70218720abab8b092f53dd84"
       url: "https://pub.dev"
     source: hosted
-    version: "6.1.4"
+    version: "6.1.5"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -208,6 +224,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.4"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
   vector_math:
     dependency: transitive
     description:
@@ -224,6 +248,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "14.3.1"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
 sdks:
   dart: ">=3.7.0-0 <4.0.0"
   flutter: ">=3.18.0-18.0.pre.54"

pubspec.yaml

@@ -14,6 +14,7 @@ dependencies:
 
   english_words: ^4.0.0
   provider: ^6.0.0
+  http: ^1.4.0
 
 dev_dependencies:
   flutter_test: