feat(flutter): added data fetch from sync server

client/lib/main.dart

@@ -1,4 +1,7 @@
+import 'dart:convert';
+
 import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http;
 
 void main() {
   runApp(const MyApp());
@@ -12,25 +15,7 @@ class MyApp extends StatelessWidget {
   Widget build(BuildContext context) {
     return MaterialApp(
       title: 'Flutter Demo',
-      theme: ThemeData(
+      theme: ThemeData(useMaterial3: true),
-        // This is the theme of your application.
-        //
-        // TRY THIS: Try running your application with "flutter run". You'll see
-        // the application has a purple toolbar. Then, without quitting the app,
-        // try changing the seedColor in the colorScheme below to Colors.green
-        // and then invoke "hot reload" (save your changes or press the "hot
-        // reload" button in a Flutter-supported IDE, or press "r" if you used
-        // the command line to start the app).
-        //
-        // Notice that the counter didn't reset back to zero; the application
-        // state is not lost during the reload. To reset the state, use hot
-        // restart instead.
-        //
-        // This works for code too, not just values: Most code changes can be
-        // tested with just a hot reload.
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
-        useMaterial3: true,
-      ),
       home: const MyHomePage(title: 'Flutter Demo Home Page'),
     );
   }
@@ -54,20 +39,33 @@ class MyHomePage extends StatefulWidget {
   State<MyHomePage> createState() => _MyHomePageState();
 }
 
-class _MyHomePageState extends State<MyHomePage> {
+class Recipe {
-  int _counter = 0;
+  String name;
+  String icon;
 
-  void _incrementCounter() {
+  Recipe(this.name, this.icon);
-    setState(() {
+
-      // This call to setState tells the Flutter framework that something has
+  factory Recipe.fromMap(Map<String, dynamic> json) {
-      // changed in this State, which causes it to rerun the build method below
+    return Recipe(json['Name'], json['Icon']);
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
   }
+  factory Recipe.fromJson(Map<String, dynamic> json) {
+    return Recipe(json['Name'], json['Icon']);
+  }
+}
 
+Future<List<Recipe>> fetchRecipes() async {
+  final response = await http.get(
+      Uri(scheme: "http", host: "localhost", port: 8080, path: "api/recipes"));
+
+  if (response.statusCode == 200) {
+    final parsed = json.decode(response.body).cast<Map<String, dynamic>>();
+    return parsed.map<Recipe>((json) => Recipe.fromMap(json)).toList();
+  } else {
+    throw Exception("Failed to fetch recipes");
+  }
+}
+
+class _MyHomePageState extends State<MyHomePage> {
   @override
   Widget build(BuildContext context) {
     // This method is rerun every time setState is called, for instance as done
@@ -76,50 +74,29 @@ class _MyHomePageState extends State<MyHomePage> {
     // The Flutter framework has been optimized to make rerunning build methods
     // fast, so that you can just rebuild anything that needs updating rather
     // than having to individually change instances of widgets.
-    return Scaffold(
+    return Container(
-      appBar: AppBar(
+        child: Column(children: [
-        // TRY THIS: Try changing the color here to a specific color (to
+      Padding(
-        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
+          padding: EdgeInsetsDirectional.all(16.0),
-        // change color while the other colors stay the same.
+          child: Image(image: AssetImage("assets/banner.png"))),
-        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
+      Text(textAlign: TextAlign.start, "Einkaufsliste"),
-        // Here we take the value from the MyHomePage object that was created by
+      FutureBuilder<List<Recipe>>(
-        // the App.build method, and use it to set our appbar title.
+          future: fetchRecipes(),
-        title: Text(widget.title),
+          builder: (context, snapshot) {
-      ),
+            if (snapshot.hasError) print(snapshot.error);
-      body: Center(
+
-        // Center is a layout widget. It takes a single child and positions it
+            if (snapshot.hasData) {
-        // in the middle of the parent.
+              List<TableRow> rows = List.empty(growable: true);
-        child: Column(
+
-          // Column is also a layout widget. It takes a list of children and
+              for (Recipe recipe in snapshot.data!) {
-          // arranges them vertically. By default, it sizes itself to fit its
+                rows.add(TableRow(children: [Text(recipe.name)]));
-          // children horizontally, and tries to be as tall as its parent.
+              }
-          //
+
-          // Column has various properties to control how it sizes itself and
+              return Table(children: rows);
-          // how it positions its children. Here we use mainAxisAlignment to
+            } else {
-          // center the children vertically; the main axis here is the vertical
+              return Center(child: CircularProgressIndicator());
-          // axis because Columns are vertical (the cross axis would be
+            }
-          // horizontal).
+          })
-          //
+    ]));
-          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
-          // action in the IDE, or press "p" in the console), to see the
-          // wireframe for each widget.
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
-    );
   }
 }

client/pubspec.lock

@@ -75,6 +75,22 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: b9c29a161230ee03d3ccf545097fccd9b87a5264228c5d348202e0f0c28f9010
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.2"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
   leak_tracker:
     dependency: transitive
     description:
@@ -192,6 +208,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.2"
+  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:
@@ -208,6 +232,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "14.2.5"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: cd3543bd5798f6ad290ea73d210f423502e71900302dde696f8bff84bf89a1cb
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
 sdks:
   dart: ">=3.5.3 <4.0.0"
   flutter: ">=3.18.0-18.0.pre.54"

client/pubspec.yaml

@@ -28,6 +28,7 @@ environment:
 # the latest version available on pub.dev. To see which dependencies have newer
 # versions available, run `flutter pub outdated`.
 dependencies:
+  http:
   flutter:
     sdk: flutter
 
@@ -58,6 +59,9 @@ flutter:
   # the material Icons class.
   uses-material-design: true
 
+  assets:
+    - assets/banner.png
+
   # To add assets to your application, add an assets section, like this:
   # assets:
   #   - images/a_dot_burr.jpeg