package protobuffet.example.carts.v1

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Cart management service. this is a service created for the purpose of demonstration.

• rpc AddItem (AddItemRequest, Empty)

  carts.proto:8

  Add an item to a specified cart.

  message AddItemRequest

  carts.proto:26

  Request to add an item to a user's cart. This will automatically initialize a cart for the user if no existing.

  • string user_id = 1

    User to use for cart lookup.

  • optional CartItem item = 2

    Item to add to cart.

• rpc EmptyCart (EmptyCartRequest, Empty)

  carts.proto:12

  Clear out the specified cart.

  message EmptyCartRequest

  carts.proto:35

  Request to clear out a user's existing cart. No-op if no cart is initialized for the user.

  • string user_id = 1

    User to use for cart lookup.

• rpc GetCart (GetCartRequest, Cart)

  carts.proto:10

  Get the details for a specified cart.

  message GetCartRequest

  carts.proto:41

  Request to fetch a user's existing cart.

  • string user_id = 1

    User to use for cart lookup.

  message Cart

  carts.proto:47

  Represents an existing cart for a specific user.

  • string user_id = 1

    User tied to this cart.

  • repeated CartItem items = 2

    Items this cart contains.

Single item within a cart. This includes a reference to our catalog and user-provided selection.

Used in: AddItemRequest, Cart, checkout.v1.OrderItem, shipping.v1.GetQuoteRequest, shipping.v1.ShipOrderRequest

• string product_id = 1

  Product catalog reference.

• int32 quantity = 2

  User-provided quantity for this item.

Represents successful response with no data required.

Used as response type in: CartService.AddItem, CartService.EmptyCart

(message has no fields)