save before flutter upgrade

lib/models/customers/customer.dart

@@ -0,0 +1,45 @@
+import 'dart:convert';
+
+class Customer {
+  Customer({
+    required this.id,
+    required this.firstName,
+    required this.lastName,
+    required this.email,
+    required this.createdAt,
+    required this.status,
+    required this.phoneNumber,
+    required this.balance,
+    this.image,
+  });
+
+  int id;
+  String firstName;
+  String lastName;
+  String email;
+  DateTime createdAt;
+  String status;
+  String phoneNumber;
+  num balance;
+  String? image;
+
+  String get fullName => '$firstName $lastName';
+
+  factory Customer.fromJson(String str) => Customer.fromMap(json.decode(str));
+
+  factory Customer.fromMap(Map<String, dynamic> json) {
+    Customer customer = Customer(
+      id: json["customer_id"],
+      firstName: json['first_name'],
+      lastName: json['last_name'],
+      email: json["email"],
+      createdAt: DateTime.parse(json['created_at']),
+      status: json['status'],
+      phoneNumber: json['mobile_phone'],
+      balance: json['balance'] ?? 0.00,
+      image: json['image'],
+    );
+
+    return customer;
+  }
+}