Initialer Commit: Projekt Start

lib/models/coupon.dart

@@ -0,0 +1,42 @@
+class Coupon {
+  final String code;
+  final String? description;
+  final String discountType; // fixed_cart, percent, fixed_product, percent_product
+  final String amount;
+  final bool isValid;
+  final String? errorMessage;
+
+  Coupon({
+    required this.code,
+    this.description,
+    required this.discountType,
+    required this.amount,
+    this.isValid = false,
+    this.errorMessage,
+  });
+
+  factory Coupon.fromJson(Map<String, dynamic> json) {
+    return Coupon(
+      code: json['code'] ?? '',
+      description: json['description'],
+      discountType: json['discount_type'] ?? 'fixed_cart',
+      amount: json['amount'] ?? '0',
+      isValid: json['is_valid'] ?? false,
+      errorMessage: json['error_message'],
+    );
+  }
+
+  String get discountDisplay {
+    switch (discountType) {
+      case 'percent':
+      case 'percent_product':
+        return '$amount%';
+      case 'fixed_cart':
+      case 'fixed_product':
+        return '$amount €';
+      default:
+        return amount;
+    }
+  }
+}
+