Commerce Layer Create Order and Add Line Item

arazzo: 1.0.1
info:
  title: Commerce Layer Create Order and Add Line Item
  summary: Create a draft order in a market, add a SKU line item to it, then read the order back.
  description: >-
    The foundational Commerce Layer cart-building flow. The workflow creates a
    draft order scoped to a market, attaches a line item referencing a SKU by
    code with a quantity, and then retrieves the order so the caller can read
    the recalculated totals and item count. Every step spells out its JSON:API
    request inline so the flow can be read and executed without opening the
    underlying OpenAPI description.
  version: 1.0.0
  x-realizes-capability-ids:
  - BC-520.40
  x-capability-derivation:
    method: 'deterministic join: sourceDescriptions -> per-tag OpenAPI -> tag/capability edge. No classification at this step.'
    min_confidence: 0.7
    sources:
    - capability_id: BC-520.40
      capability_name: Order Fulfilment Management
      spec: commerce-layer-orders-api-openapi.yml
      confidence: 0.7
    model: Turbo EA Capabilities by Vincent Verdet — Turbo EA, https://github.com/vincentmakes/turbo-ea-capabilities, CC BY 4.0
sourceDescriptions:
- name: lineItemsApi
  url: ../openapi/commerce-layer-line-items-api-openapi.yml
  type: openapi
- name: ordersApi
  url: ../openapi/commerce-layer-orders-api-openapi.yml
  type: openapi
workflows:
- workflowId: create-order-add-line-item
  summary: Create an order, add a SKU line item, and read the order back.
  description: >-
    Creates a draft order in the supplied market, adds a single SKU line item
    referencing the order, and retrieves the order to expose its totals.
  inputs:
    type: object
    required:
    - accessToken
    - marketId
    - skuCode
    - quantity
    properties:
      accessToken:
        type: string
        description: Bearer access token for the Commerce Layer organization.
      marketId:
        type: string
        description: The id of the market the order belongs to.
      skuCode:
        type: string
        description: The SKU code to add as a line item.
      quantity:
        type: integer
        description: The quantity of the SKU to add.
  steps:
  - stepId: createOrder
    description: Create a draft order associated to the supplied market.
    operationId: POST/orders
    parameters:
    - name: Authorization
      in: header
      value: "Bearer $inputs.accessToken"
    requestBody:
      contentType: application/vnd.api+json
      payload:
        data:
          type: orders
          relationships:
            market:
              data:
                type: markets
                id: $inputs.marketId
    successCriteria:
    - condition: $statusCode == 201
    outputs:
      orderId: $response.body#/data/id
  - stepId: addLineItem
    description: Add a SKU line item to the order using the SKU code and quantity.
    operationId: POST/line_items
    parameters:
    - name: Authorization
      in: header
      value: "Bearer $inputs.accessToken"
    requestBody:
      contentType: application/vnd.api+json
      payload:
        data:
          type: line_items
          attributes:
            sku_code: $inputs.skuCode
            quantity: $inputs.quantity
          relationships:
            order:
              data:
                type: orders
                id: $steps.createOrder.outputs.orderId
    successCriteria:
    - condition: $statusCode == 201
    outputs:
      lineItemId: $response.body#/data/id
  - stepId: getOrder
    description: Retrieve the order to read back its recalculated totals.
    operationId: GET/orders/orderId
    parameters:
    - name: Authorization
      in: header
      value: "Bearer $inputs.accessToken"
    - name: orderId
      in: path
      value: $steps.createOrder.outputs.orderId
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      status: $response.body#/data/attributes/status
      skusCount: $response.body#/data/attributes/skus_count
      totalAmountCents: $response.body#/data/attributes/total_amount_cents
  outputs:
    orderId: $steps.createOrder.outputs.orderId
    lineItemId: $steps.addLineItem.outputs.lineItemId
    totalAmountCents: $steps.getOrder.outputs.totalAmountCents