add graph_view

lib/pages/graph_view.dart

@@ -0,0 +1,103 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import '../controller/graph_controller.dart';
+import '../models/chart_model.dart';
+import '../widgets/detail_info_card_widget.dart';
+import '../widgets/detail_stat_widget.dart';
+import '../widgets/chart_line_widget.dart';
+
+class GraphPage extends GetView<GraphController> {
+  static const String namedRoute = '/graph-page';
+
+  const GraphPage({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    var displayWidth = MediaQuery.of(context).size.width;
+    var displayHeight = MediaQuery.of(context).size.height;
+    var graphCtrl = controller;
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: Colors.blueGrey,
+        foregroundColor: Colors.white,
+        title: const Text('Graph Page'),
+        centerTitle: true,
+      ),
+      body: Container(
+        width: displayWidth,
+        height: displayHeight,
+        padding: EdgeInsets.all(16.0),
+        decoration: BoxDecoration(
+          gradient: LinearGradient(
+            begin: Alignment.topCenter,
+            end: Alignment.bottomCenter,
+            colors: [
+              Colors.blueGrey[800]!,
+              Colors.blueGrey[600]!,
+              Colors.blueGrey[300]!,
+              Colors.blue[100]!,
+            ],
+          ),
+        ),
+        child: Center(
+          child: SingleChildScrollView(
+            child: Column(
+              children: [
+                const SizedBox(height: 16),
+
+                // Fahrzeugdaten
+                DetailInfoCardWidget(
+                  title: 'Jahresstatistik',
+                  children: [
+                    DetailStatWidget(
+                      icon: Icons.directions_car,
+                      label: 'Jahreskilometerstand',
+                      value: '${graphCtrl.sumYearKm.value} KM',
+                      iconColor: Colors.blue,
+                      valueSize: 24,
+                      valueWeight: FontWeight.bold,
+                    ),
+                    DetailStatWidget(
+                      icon: Icons.gas_meter,
+                      label: 'Jahresliterverbrauch',
+                      value:
+                          '${graphCtrl.sumYearLiters.value.toStringAsFixed(2)} L',
+                      iconColor: Colors.blue,
+                      valueSize: 24,
+                      valueWeight: FontWeight.bold,
+                    ),
+                    DetailStatWidget(
+                      icon: Icons.euro,
+                      label: 'Jahreskostenverbrauch',
+                      value:
+                          '${graphCtrl.sumYearPrice.value.toStringAsFixed(2)} €',
+                      iconColor: Colors.blue,
+                      valueSize: 24,
+                      valueWeight: FontWeight.bold,
+                    ),
+                    DetailStatWidget(
+                      icon: Icons.euro,
+                      label: 'Jahresdurchschnittspreis pro Liter',
+                      value:
+                          '${graphCtrl.averagePricePerLiter.value.toStringAsFixed(2)} €',
+                      iconColor: Colors.blue,
+                      valueSize: 24,
+                      valueWeight: FontWeight.bold,
+                    ),
+                  ],
+                ),
+
+                const SizedBox(height: 24),
+
+                // Liniendiagramm
+                ChartLineWidget(
+                  chartData: ChartData.fromTankList(graphCtrl.listTankModel),
+                ),
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/pages/home_view.dart

@@ -48,7 +48,13 @@ class HomePage extends GetView<HomeController> {
               IconButton(
                 icon: const Icon(Icons.refresh),
                 onPressed: () {
-                  controller.onInit();
+                  homCtrl.onInit();
+                },
+              ),
+              IconButton(
+                icon: const Icon(Icons.collections),
+                onPressed: () {
+                  homCtrl.goToGraphPage();
                 },
               ),
               IconButton(