add project

lib/config/DiConfig.dart

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+
+import 'package:dio/dio.dart';
+
+
+class _LogDioErrorInterceptor extends Interceptor {
+  @override
+  Future onError(DioError err) {
+    // TODO: implement onError
+    return super.onError(err);
+  }
+}
+
+Dio getDioInstance(){
+  Dio dio = Dio();
+  dio.options.headers['content-type'] = "application/json";
+  dio.interceptors.add(_LogDioErrorInterceptor());
+  return dio;
+}

lib/main.dart

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+import 'package:flutter/material.dart';
+import 'package:flutter_service/model/CategoryResponse.dart';
+import 'package:flutter_service/provider/CategoryProvider.dart';
+import 'package:flutter_service/sdk/ClientSDK.dart';
+import 'package:flutter_service/wrapper/ProviderWrapper.dart';
+import 'package:provider/provider.dart';
+
+import 'utils/console.dart';
+
+void main() async {
+  runApp(MultiProvider(
+    providers: ProviderWrapper.providersLists,
+    child: MyApp()
+  ));
+}
+
+class MyApp extends StatelessWidget {
+  // This widget is the root of your application.
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      theme: ThemeData(
+        primarySwatch: Colors.blue,
+        visualDensity: VisualDensity.adaptivePlatformDensity,
+      ),
+      home: MyHomePage(title: 'Flutter Demo Home Page'),
+    );
+  }
+}
+
+class MyHomePage extends StatefulWidget {
+  MyHomePage({Key key, this.title}) : super(key: key);
+
+  final String title;
+
+  @override
+  _MyHomePageState createState() => _MyHomePageState();
+}
+
+ClientSDK client = ClientSDK();
+
+class _MyHomePageState extends State<MyHomePage> {
+
+  int _counter = 0;
+  List<CategoryResponse> categories = [];
+
+  void _incrementCounter() {
+    setState(() {
+      _counter++;
+    });
+  }
+
+  void getCategory() async {
+    categories.map((e) => Console.log("text", e.name)).toList();
+
+  }
+
+  @override
+  void initState() {
+    // TODO: implement initState
+
+
+    super.initState();
+    init(context);
+
+  }
+
+  @override
+  void didChangeDependencies() {
+    // TODO: implement didChangeDependencies
+    super.didChangeDependencies();
+    categories = Provider.of<CategoryProvider>(context, listen: true)
+        .getCategories();
+
+  }
+
+
+  void init(BuildContext context) async {
+    List<CategoryResponse> result =  await client.clientGetAllCategoryService();
+    Provider.of<CategoryProvider>(context, listen: false).setCategories(result);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      body: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            Text(
+              'You have pushed the button this many times:',
+            ),
+            Text(
+              '$_counter',
+              style: Theme.of(context).textTheme.headline4,
+            ),
+          ],
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: getCategory,
+        tooltip: 'Increment',
+        child: Icon(Icons.add),
+      ), // This trailing comma makes auto-formatting nicer for build methods.
+    );
+  }
+}

lib/model/CategoryResponse.dart

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+
+class CategoryResponse {
+
+  CategoryResponse({
+    this.id,
+    this.code,
+    this.name
+  });
+
+
+
+  int id;
+  String code;
+  String name;
+  Map<String,dynamic> config;
+
+  static CategoryResponse fromResponse(dynamic result){
+    return CategoryResponse(
+      id: int.parse(result["id"]),
+      code: result["code"],
+      name: result["name"]
+    );
+  }
+}
+

lib/provider/CategoryProvider.dart

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+
+
+import 'package:flutter/cupertino.dart';
+import 'package:flutter_service/model/CategoryResponse.dart';
+
+class CategoryProvider with ChangeNotifier {
+    List<CategoryResponse> _categories = [];
+
+    void setCategories(List<CategoryResponse> value){
+      _categories = value;
+      notifyListeners();
+    }
+
+    List<CategoryResponse> getCategories(){
+      return _categories;
+    }
+
+    void removeCategories(){
+
+    }
+
+    void appendCategories(){
+
+    }
+}

lib/sdk/ClientSDK.dart

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+
+
+import 'package:flutter_service/model/CategoryResponse.dart';
+import 'package:flutter_service/service/CategoryService.dart';
+
+class ClientSDK {
+
+  Future<List<CategoryResponse>> clientGetAllCategoryService() async {
+    return await getAllCategoryService();
+  }
+
+
+
+}

lib/service/CategoryService.dart

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+import 'package:flutter_service/config/DiConfig.dart';
+import 'package:flutter_service/model/CategoryResponse.dart';
+
+Future<List<CategoryResponse>>  getAllCategoryService() async {
+  String url = "http://computer-api.osa.cubetiqs.com/api/frontend/categories";
+  List<CategoryResponse> r =  await getDioInstance().get(url).then((value) {
+
+    List<dynamic> result = value.data['data'] as List<dynamic>;
+
+    return result.map((e) =>  CategoryResponse.fromResponse(e)).toList();
+
+  }).catchError((onError) {
+    print(onError);
+    return null;
+  });
+
+  return r;
+
+}

lib/utils/console.dart

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+import 'dart:convert';
+
+import 'package:logger/logger.dart';
+
+class Console {
+  static final Console _singleton = Console._internal();
+  factory Console() {
+    return _singleton;
+  }
+  static void log(text, anyObj) {
+    final textLength = text.toString().length + 4;
+    print(" " + '-' * textLength);
+    print("|  " + text + "  |");
+    print(" " + '-' * textLength);
+    print(anyObj);
+    print("==============================");
+    print("==============================");
+  }
+
+  static void json(data) {}
+
+  static void jsonAll(data) {
+    JsonEncoder encoder = new JsonEncoder.withIndent('  ');
+    String prettylint = encoder.convert(data);
+
+    prettylint
+        .split('\n')
+        .forEach((element) => Console.log("Render JSON", prettylint));
+  }
+
+  static void better(message) {
+    var logger = Logger();
+    logger.e(message);
+  }
+
+  Console._internal();
+}

lib/wrapper/ProviderWrapper.dart

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+import 'package:flutter_service/provider/CategoryProvider.dart';
+import 'package:provider/provider.dart';
+import 'package:provider/single_child_widget.dart';
+
+class ProviderWrapper {
+  static List<SingleChildWidget> providersLists = [
+    ChangeNotifierProvider(create: (context)=>CategoryProvider()),
+  ];
+}