base for favorite page and appstate

tp1/lib/app_state.dart

 import 'dart:convert';
-import 'dart:io';
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart' show rootBundle;
+import 'package:english_words/english_words.dart';
+
 
 const String filePath = '../assets/data.json';
 
 class AppState extends ChangeNotifier {
-    final input;
-    final data;
+    var input = "";
+    var data = "";
+    var jfavorites = <dynamic>[];
 
-    const AppState(var input, var data):
-        input = await File(filePath).readAsString(),
-        data = jsonDecode(input).books;
+    Future<String> loadData() async {
+        input = await rootBundle.loadString(filePath);
+        data = jsonDecode(input);
+        return data;
+    }
 
     // Implémenter fonction getData
 
-    var favorites = <dynamic>[];
-
     void addToFav(dynamic obj){
-        favorites[] = obj
+        jfavorites.add(obj);
+    }
+    var current = WordPair.random();
+
+  void getNext(){
+    current = WordPair.random();
+    notifyListeners();
+  }
+  var favorites = <WordPair>[];
+
+  void toggleFavorite() {
+    if (favorites.contains(current)) {
+      favorites.remove(current);
+    } else {
+      favorites.add(current);
+    }
+    notifyListeners();
   }
 }

tp1/lib/favorite_page.dart

 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 import 'app_state.dart';
 
 
@@ -7,29 +8,48 @@ class FavoritePage extends StatelessWidget {
     @override
     Widget build(BuildContext context) {
         var appState = context.watch<AppState>();
-        var favorites = appState.favorites;
+        var favorites = appState.jfavorites;
 
         return LayoutBuilder(builder: (context, constraints) {
-            return Scaffold(body: ListView.builder(
+            return Scaffold(backgroundColor: Colors.red[200], body: ListView.builder(
                 padding: const EdgeInsets.all(8),
-                color: Color.red[200],
                 itemCount: favorites.length,
                 itemBuilder: (BuildContext context, int index){
-                    return Container(
+                    return ListView(
                         padding: const EdgeInsets.all(8),
-                        color: index%2 == 0 ? Color.red[500] : Color.red[400],
                         children: <Widget>[
-                            Text(favorites[index]['title']),
-                            Text(favorites[index]['subtitle']),
-                            Text(favorites[index]['author']),
-                            Text(favorites[index]['published']),
-                            Text(favorites[index]['publisher']),
-                            Text(favorites[index]['description']),
-                            Text(favorites[index]['website']),
-                        ];
+                            Container(
+                                color: index%2 == 0 ? Colors.red[500] : Colors.red[400],
+                                child: Text(favorites[index]['title']),
+                            ),
+                            Container(
+                                color: index%2 == 0 ? Colors.red[500] : Colors.red[400],
+                                child: Text(favorites[index]['subtitle']),
+                            ),
+                            Container(
+                                color: index%2 == 0 ? Colors.red[500] : Colors.red[400],
+                                child: Text(favorites[index]['author']),
+                            ),
+                            Container(
+                                color: index%2 == 0 ? Colors.red[500] : Colors.red[400],
+                                child: Text(favorites[index]['published']),
+                            ),
+                            Container(
+                                color: index%2 == 0 ? Colors.red[500] : Colors.red[400],
+                                child: Text(favorites[index]['publisher']),
+                            ),
+                            Container(
+                                color: index%2 == 0 ? Colors.red[500] : Colors.red[400],
+                                child: Text(favorites[index]['description']),
+                            ),
+                            Container(
+                                color: index%2 == 0 ? Colors.red[500] : Colors.red[400],
+                                child: Text(favorites[index]['website']),
                             )
+                        ]
+                    );
                 }
-            ))
+            ));
         });
     }
 }

tp1/lib/main.dart

@@ -2,6 +2,8 @@ import 'package:english_words/english_words.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 import 'dart:math';
+import 'favorite_page.dart';
+import 'app_state.dart';
 
 
 void main() {
@@ -14,7 +16,7 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return ChangeNotifierProvider(
-      create: (context) => MyAppState(),
+      create: (context) => AppState(),
       child: MaterialApp(
         title: 'Namer App',
         theme: ThemeData(
@@ -116,7 +118,7 @@ class _MyHomePageState extends State<MyHomePage> {
 class GeneratorPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    var appState = context.watch<MyAppState>();
+    var appState = context.watch<AppState>();
     var pair = appState.current;
 
     IconData icon;
@@ -186,27 +188,3 @@ class BigCard extends StatelessWidget {
     );
   }
 }
-
-
-class FavoritePage extends StatelessWidget {
-
-  
-  @override
-  Widget build(BuildContext context) {
-    var appState = context.watch<MyAppState>();
-    var favorites = appState.favorites;
-    return Scaffold(
-      
-      body: Column(children: [
-
-        Text('Favorites'),
-        for (var fav in favorites)
-          Text(fav.asLowerCase),
-        
-      ],)
-
-
-
-    );
-  }
-}
\ No newline at end of file

tp1/pubspec.lock

@@ -79,26 +79,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: cdd14e3836065a1f6302a236ec8b5f700695c803c57ae11a1c84df31e6bcf831
+      sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.3"
+    version: "10.0.4"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "9b2ef90589911d665277464e0482b209d39882dffaaf4ef69a3561a3354b2ebc"
+      sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "3.0.3"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: fd3cd66cb2bcd7b50dcd3b413af49d78051f809c8b3f6e047962765c15a0d23d
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.1"
   lints:
     dependency: transitive
     description:
@@ -127,10 +127,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136"
       url: "https://pub.dev"
     source: hosted
-    version: "1.11.0"
+    version: "1.12.0"
   nested:
     dependency: transitive
     description: