add two views

lib/helper/display_formats.dart

@@ -0,0 +1,10 @@
+import 'package:intl/intl.dart';
+
+class DisplayFormats {
+  static String number(num value) =>
+      NumberFormat('0.##', 'de_AT').format(value);
+  static String date(DateTime value) =>
+      DateFormat('dd.MM.yyyy · HH:mm').format(value);
+  static String duration(int minutes) =>
+      '${minutes ~/ 60} h ${minutes % 60} min';
+}

lib/helper/filament_bestand.dart

@@ -0,0 +1,21 @@
+import '../models/bauteil_model.dart';
+
+class FilamentBestand {
+  static Map<String, double> verbrauch(
+    Iterable<BauteilModel> bauteile, {
+    String? ohneBauteilId,
+  }) {
+    final result = <String, double>{};
+    for (final bauteil in bauteile) {
+      if (bauteil.bauteilId == ohneBauteilId) continue;
+      for (final filament in bauteil.filamente) {
+        result.update(
+          filament.filamentId,
+          (value) => value + filament.verbrauchGramm,
+          ifAbsent: () => filament.verbrauchGramm,
+        );
+      }
+    }
+    return result;
+  }
+}

lib/helper/input_validators.dart

@@ -0,0 +1,34 @@
+class InputValidators {
+  static double? number(String? value) =>
+      double.tryParse((value ?? '').trim().replaceAll(',', '.'));
+
+  static String? requiredText(String? value) =>
+      value == null || value.trim().isEmpty ? 'Bitte ausfüllen' : null;
+
+  static String? nonNegative(String? value, {bool optional = false}) {
+    if (optional && (value ?? '').trim().isEmpty) return null;
+    final parsed = number(value);
+    return parsed == null || !parsed.isFinite || parsed < 0
+        ? 'Zahl ab 0 eingeben'
+        : null;
+  }
+
+  static String? positive(String? value) {
+    final parsed = number(value);
+    return parsed == null || !parsed.isFinite || parsed <= 0
+        ? 'Zahl größer 0 eingeben'
+        : null;
+  }
+
+  static String? hours(String? value) {
+    final parsed = int.tryParse((value ?? '').trim());
+    return parsed == null || parsed < 0 ? 'Ganze Zahl ab 0 eingeben' : null;
+  }
+
+  static String? minutes(String? value) {
+    final parsed = int.tryParse((value ?? '').trim());
+    return parsed == null || parsed < 0 || parsed > 59
+        ? '0 bis 59 eingeben'
+        : null;
+  }
+}

lib/helper/sample_bindings.dart

@@ -1,11 +1,10 @@
 import 'package:get/get.dart';
-import '../../controller/home_controller.dart';
-import '../controller/anwendung_controller.dart';
+
+import '../controller/home_controller.dart';
 
 class SampleBindings extends Bindings {
-    @override
-    void dependencies() {
+  @override
+  void dependencies() {
     Get.lazyPut<HomeController>(() => HomeController());
-    Get.lazyPut<AnwendungController>(() => AnwendungController());
-    }
-}
+  }
+}

lib/helper/sample_routes.dart

@@ -1,15 +1,35 @@
 import 'package:get/get.dart';
 
+import '../controller/anwendung_controller.dart';
+import '../controller/bauteil_controller.dart';
+import '../pages/anwendung_view.dart';
+import '../pages/bauteil_view.dart';
 import '../pages/home_view.dart';
 import 'sample_bindings.dart';
 
 class SampleRouts {
   static final sampleBindings = SampleBindings();
   static List<GetPage<dynamic>> samplePages = [
+    GetPage(
+      name: '${AnwendungView.routeName}/:filamentId',
+      page: () => const AnwendungView(),
+      binding: BindingsBuilder(
+        () => Get.lazyPut<AnwendungController>(
+          () => AnwendungController(filamentId: Get.parameters['filamentId']!),
+        ),
+      ),
+    ),
+    GetPage(
+      name: BauteilView.routeName,
+      page: () => const BauteilView(),
+      binding: BindingsBuilder(
+        () => Get.lazyPut<BauteilController>(() => BauteilController()),
+      ),
+    ),
     GetPage(
       name: HomeView.routeName,
       page: () => const HomeView(),
       binding: sampleBindings,
     ),
   ];
-}
+}

lib/helper/storage_keys.dart

@@ -0,0 +1,5 @@
+class StorageKeys {
+  static const filamente = 'kauf_filamente';
+  static const anwendungen = 'filament_anwendungen';
+  static const bauteile = 'gedruckte_bauteile';
+}