Customer.fromJson constructor
Implementation
factory Customer.fromJson(Map<String, dynamic> json) {
return Customer(
id: json['id'] is String ? int.tryParse(json['id']) : json['id'],
firstName: json['first_name']?.toString(),
lastName: json['last_name']?.toString(),
email: json['email']?.toString(),
customerCode: json['customer_code']?.toString(),
phone: json['phone']?.toString(),
);
}