/// One time a product was bought, used for price and purchase history.
library;

class Purchase {
  const Purchase({
    required this.shopId,
    required this.boughtAt,
    required this.supermarket,
    required this.price,
    this.quantity,
    this.unitPrice,
    this.receiptImagePath,
  });

  final int shopId;
  final DateTime boughtAt;
  final String supermarket;
  final double price;
  final int? quantity;
  final double? unitPrice;
  final String? receiptImagePath;

  double get unitOrLinePrice => unitPrice ?? price;

  factory Purchase.fromMap(Map<String, Object?> map) {
    return Purchase(
      shopId: map['shop_id']! as int,
      boughtAt: DateTime.parse(map['shopped_at']! as String),
      supermarket: map['supermarket']! as String,
      price: (map['price']! as num).toDouble(),
      quantity: map['quantity'] as int?,
      unitPrice: (map['unit_price'] as num?)?.toDouble(),
      receiptImagePath: map['receipt_image_path'] as String?,
    );
  }
}