Overview
The OrderItem entity details a specific product and its quantity requested within an Order. It holds information about the product, the quantity ordered, and the price calculation for that line item. OrderItems are part of the Order aggregate.
Entity Properties
| Name | Type | Required | Description |
|---|---|---|---|
orderItemId | UUID | Required | Unique identifier for the order item |
orderId | UUID | Required | Identifier for the parent Order |
productId | UUID | Required | Identifier for the product being ordered |
productName | string | Optional | Name of the product at the time of order |
quantity | integer | Required | Number of units of the product ordered |
unitPrice | decimal | Required | Price per unit of the product at the time of order |
totalPrice | decimal | Required | Total price for this item line (quantity * unitPrice) |
Relationships
- Order: Each
OrderItembelongs to exactly oneOrder(identified byorderId). It is a constituent part of the Order aggregate. - Product: Each
OrderItemrefers to oneProduct(identified byproductId).
Examples
- OrderItem A (for Order #12345): Product ID: P001, Quantity: 2, Unit Price: $50.00, Total Price: $100.00
- OrderItem B (for Order #12345): Product ID: P002, Quantity: 1, Unit Price: $75.00, Total Price: $75.00