A Dart data class with several fields, different constructors, and JSON mapping.
class Product {
int? id;
String? name;
String? barcode;
String? description;
String? thumbnail;
double? quatity;
Product(this.id, this.name, this.barcode, this.thumbnail, this.quatity,
this.description);
Product.empty() {
this.id = 0;
this.name = "";
this.barcode = "";
this.thumbnail = "";
this.quatity = 0;
this.description = "";
this.thumbnail = "";
}
Map<String, dynamic> toJson(){
return {
'id': id,
'name': name,
'barcode': barcode,
'description': description,
'thumbnail': thumbnail,
'quatity': quatity,
};
}
Product.fromJson(Map<String, dynamic> json)
: id = json['id'],
name = json['name'] != null ? json['name'] : '',
description = json['description'] != null ? json['description'] : '',
thumbnail = json['thumbnail'] != null ? json['thumbnail'] : '',
barcode = json['barcode'] != null ? json['barcode'] : '',
quatity = json['quatity'] != null ? json['quatity'] : 0;
}
