Order Calculation Formula

The total order price is calculated from the bottom to the top of the order structure. Each item in the order considers the price of all its children plus its own price, multiplied by the quantity needed.

Key Attributes for Price Calculation

basic_price_per_unit: The base price of a single unit without any additional charges.
total_basic_price_per_unit: The price of a single unit plus the total price of all its children.
total_price: The product of total_basic_price_per_unit and the quantity.

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Taxes
T-Gate does not add any taxes or extras to the calculated price, so the final total order price is equal to the total_price.

Example Calculation

Consider an order for a Meat Lovers Pizza:

Meat Lovers Pizza (Product): (2 * 120)
- Extra Sauces (Modifier Group) (1 * 0)
  - BBQ Sauce(1 * 7)
  - Garlic (1 * 10)
  - Ranch (1 * 7)
  - Ketchup (1 * 5)
- Extra Toppings (Modifier Group) (1 * 0)
  - Beef Bacon (1 * 25)

Calculation Breakdown

Modifiers: Modifiers do not have children, so their total_basic_price_per_unit is equal to their basic_price_per_unit.
- Ketchup: 5
- BBQ Sauce: 7
- Garlic: 10
- Ranch: 7
Modifier Groups: The total price of a modifier group is the sum of all its children's total_basic_price_per_unit multiplied by the quantity.
- Extra Sauces: (0 + 5*1 + 7*1 + 10*1 + 7*1)*1 = 29
- Extra Toppings: (0 + 25*1)*1 = 25
Products: The total_basic_price_per_unit for a product is the sum of its own price plus the total of all its children's prices.
- Meat Lovers Pizza: (120 + 29*1 + 25*1) = 174
Total Price Calculation: The total price of the order is the sum of all product total_basic_price_per_unit multiplied by the quantity.
- Total Price: 174*2 = 348

The complete formula is as follows:

(120 + (0 + (10 * 1 + 5 * 1 + 7 * 1 + 7 * 1)) * 1 + (0 + (25 * 1)) * 1) * 2 = 348

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Order Total Price
For an order to be successfully created, it is mandatory that the total_price sent by partner applications in the order creation request matches the value obtained from the Partner API → Calculate Order Total Price API with two decimal points of precision.