backend_integration

lib/main.dart

+import 'dart:convert';
+
 import 'package:english_words/english_words.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
+import 'package:http/http.dart' as http;
 
 void main() {
-  runApp(MyApp());
+  runApp(
+    ChangeNotifierProvider(
+      create: (context) => MyAppState(),
+      child: const MyApp(), 
+  ),
+  );
 }
 
 class MyApp extends StatelessWidget {
@@ -11,15 +19,26 @@ class MyApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return ChangeNotifierProvider(
-      create: (context) => MyAppState(),
-      child: MaterialApp(
+    var appstate=context.watch<MyAppState>();
+    return MaterialApp(
         title: 'Namer App',
         theme: ThemeData(
           useMaterial3: true,
           colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepOrange),
         ),
-        home: MyHomePage(),
+        home: FutureBuilder<List<WordPair>>(
+          future: appstate.futureFavorites,
+          builder: (context, snapshot) {
+            if (snapshot.connectionState == ConnectionState.waiting) {
+              return const Center(child: CircularProgressIndicator());
+            } else if (snapshot.hasError) {
+              return Center(child: Text('Error : ${snapshot.error}'),);
+            } else if (snapshot.hasData) {
+              return MyHomePage();
+            } else {
+              return Center(child: Text('No Favorites yet'));
+            }
+          }
           ),
         );
   }
@@ -32,15 +51,49 @@ class MyAppState extends ChangeNotifier {
     notifyListeners();
   }
   var favorites = <WordPair>[];
+  late Future<List<WordPair>> futureFavorites;
+
+  MyAppState() {
+    futureFavorites = fetchFavorites();
+  }
 
-  void toggleFavorite() {
+  Future<List<WordPair>>  fetchFavorites() async {
+    final response=await http.get(
+      Uri.parse('https://wonbin3977.web.ajousw.kr/likes'));
+    List<WordPair> list = [];
+    var jsonData = jsonDecode(response.body);
+
+    for(Map<String,dynamic> obj in jsonData) {
+      List<String> res=obj["id"].split('_');
+      list.add(WordPair(res[0],res[1]));
+    }
+    favorites = [...list];
+    notifyListeners();
+    return list;
+  }
+
+  Future<void> toggleFavorite() async {
+    var uri ="https:wonbin3977.web.ajousw.kr/likes/${current.first}_${current.second}";
     if(favorites.contains(current)) {
+      final http.Response resp=await http.delete(Uri.parse(uri));
+      if(resp.statusCode!=200) {
+        return;
+      }
       favorites.remove(current);
+      favorites=[...favorites];
     } else{
-      favorites.add(current);
+      final http.Response resp=await http.post(
+        Uri.parse(uri),
+      );
+      if(resp.statusCode!=200) {
+        return;
       }
+      favorites=[...favorites,current];
+    }
+    print(favorites);
     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:
@@ -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: