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Add removeFromCart function

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This commit is contained in:
Moe Poi ~ 2022-04-26 10:44:42 +07:00
parent 2926e1ee38
commit de612bc1c6
1 changed files with 21 additions and 0 deletions
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21
lib/data/cart.dart
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@ -17,4 +17,25 @@ Future<void> addToCart(productId) async {
cart.add(filteredCart[0]);
}
await prefs.setString('cart', jsonEncode(cart).toString());
}
Future<void> removeFromCart(productId, bool batch) async {
final prefs = await SharedPreferences.getInstance();
var cart = jsonDecode(prefs.getString('cart') ?? '[]');
var filteredCart = cart.where((x) => x["product_id"] == productId).toList();
if (filteredCart.length > 0) {
if (batch) {
cart = cart.where((x) => x["product_id"] != productId).toList();
} else {
filteredCart[0]["quantity"]--;
if (filteredCart[0]["quantity"] == 0) {
cart = cart.where((x) => x["product_id"] != productId).toList();
} else {
cart = cart.where((x) => x["product_id"] != productId).toList();
cart.add(filteredCart[0]);
}
}
}
await prefs.setString('cart', jsonEncode(cart).toString());
}