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DirectProductPurchaseSerializer Documentation

This section outlines the serializer used in the Direct Product Purchase API. The DirectProductPurchaseSerializer is responsible for handling the process of adding a product to the cart directly with a specified variant and size (if applicable), ensuring that the product, variant, and size are valid before proceeding with the purchase.

Serializers

  1. Direct Product Purchase Serializer: DirectProductPurchaseSerializer

1. Direct Product Purchase Serializer

Serializer Overview

DirectProductPurchaseSerializer is used to handle direct product purchases by adding a product, optionally selecting a variant and size, and validating that the product, variant, and size exist and match the expected criteria.

Fields

Field Type Description
product_id integer The ID of the product to be purchased.
variant_id integer The ID of the variant of the product (optional).
size string The size of the product (optional, required if a variant is selected).
quantity integer The quantity of the product to be purchased.
is_direct_purchase boolean Indicates whether the purchase is for a direct purchase.

Serializer Methods

  • DirectProductPurchaseSerializer.validate(self, attrs)

    • It checks if the product with the provided product_id exists.
    • If a variant_id is provided, it validates that the variant exists and belongs to the specified product.
    • If a size is provided, it checks that the size exists and matches the selected variant (if applicable).
    • The validated attributes (product, variant, and size) are then added to the attrs dictionary for further use.