Initial commit

app_code/lib/models/invoice.dart

@@ -0,0 +1,48 @@
+
+import 'package:grostore/models/supplire.dart';
+
+import 'customer.dart';
+
+class Invoice {
+  final InvoiceInfo info;
+  final Supplier supplier;
+  final Customer customer;
+  final List<InvoiceItem> items;
+
+  const Invoice({
+    required this.info,
+    required this.supplier,
+    required this.customer,
+    required this.items,
+  });
+}
+
+class InvoiceInfo {
+  final String description;
+  final String number;
+  final DateTime date;
+  final DateTime dueDate;
+
+  const InvoiceInfo({
+    required this.description,
+    required this.number,
+    required this.date,
+    required this.dueDate,
+  });
+}
+
+class InvoiceItem {
+  final String description;
+  final DateTime date;
+  final int quantity;
+  final double vat;
+  final double unitPrice;
+
+  const InvoiceItem({
+    required this.description,
+    required this.date,
+    required this.quantity,
+    required this.vat,
+    required this.unitPrice,
+  });
+}