def execute_transaction(self, username: str, shopping_cart,
payment_method: str, payment_details,
address: DeliveryAddress, account_number: int):
if not self.check_availability_of_products(shopping_cart):
return MessageResponse(
False, 1, "Not all the products are available in this amount")
TransactionManagement.transaction_counter += 1
transaction = Transaction(self.transaction_counter,
shopping_cart['products'], username,
payment_method, payment_details, address,
account_number,
shopping_cart['store_number'])
cart = ShoppingCart(shopping_cart["store_number"],
shopping_cart['products'])
# until here yet
transaction.total_price = cart.calculate_price()
if self.payment_system.charge(username, payment_details[0],
payment_details[1], payment_details[2],
payment_details[3],
payment_details[4]) == 'declined':
return MessageResponse(False, 1, "payment problem")
transaction.update_payment_status()
if self.delivery_system.delivery(transaction.products,
address) == 'undelivered':
return MessageResponse(False, 1,
'delivery problem, payment were cancelled')
transaction.update_delivery_status()
self.transactions.append(transaction)
self.remove_products_from_store(shopping_cart)
return MessageResponse(
transaction, 1,
'succeed transaction' + str(transaction.transaction_id))
def test_calculate_price(self):
discount_service = DiscountService()
buying_policy = BuyingPolicyService()
store = Store('schnitzale', 23444, 4, discount_service, buying_policy)
cart = ShoppingCart(store)
product_a = Product('france schnitzel', 'schnitzel', ['hot', 'crispy'],
35)
product_b = Product('israeli schnitzel', 'schnitzel',
['hot', 'casher'], 15)
store.add_new_product(product_a)
store.inc_product_amount(product_a.catalog_number, 5)
store.add_new_product(product_b)
store.inc_product_amount(product_b.catalog_number, 5)
cart.products[product_a.catalog_number] = {
'product': product_a,
'amount': 2
}
self.assertEqual(cart.calculate_price(), 70)
cart.products[product_b.catalog_number] = {
'product': product_b,
'amount': 1
}
self.assertEqual(cart.calculate_price(), 85)