Block Square Location First Sale

arazzo: 1.0.1
info:
  title: Block Square Location First Sale
  summary: Resolve the active seller location, open an order there, and take payment.
  description: >-
    A location-aware checkout flow. The workflow lists the seller's locations,
    selects the first one to anchor the sale, opens an order with the supplied
    line items, and charges the supplied payment source for the order. Each step
    inlines its bearer token and request body, including the idempotency keys
    Square requires on the order and payment writes.
  version: 1.0.0
sourceDescriptions:
- name: merchantsApi
  url: ../openapi/block-merchants-api-openapi.yml
  type: openapi
- name: ordersApi
  url: ../openapi/block-orders-api-openapi.yml
  type: openapi
- name: paymentsApi
  url: ../openapi/block-payments-api-openapi.yml
  type: openapi
workflows:
- workflowId: location-first-sale
  summary: Discover a seller location, create an order, and capture payment for it.
  description: >-
    Lists locations, uses the first returned location to create an order with
    the supplied line items, and then charges the supplied source for the order
    amount at that location.
  inputs:
    type: object
    required:
    - accessToken
    - lineItems
    - sourceId
    - amount
    properties:
      accessToken:
        type: string
        description: Square access token presented as a Bearer credential.
      lineItems:
        type: array
        description: Order line items, each with a name, quantity, and base_price_money.
        items:
          type: object
      sourceId:
        type: string
        description: The payment source id (card nonce or token) to charge.
      amount:
        type: integer
        description: The amount to charge in the smallest currency denomination.
      currency:
        type: string
        description: The ISO 4217 currency code for the charge.
        default: USD
      orderIdempotencyKey:
        type: string
        description: Idempotency key for the create-order request.
      paymentIdempotencyKey:
        type: string
        description: Idempotency key for the create-payment request.
  steps:
  - stepId: listLocations
    description: Retrieve the seller's locations and pick the first one for the sale.
    operationId: list-locations
    parameters:
    - name: Authorization
      in: header
      value: Bearer $inputs.accessToken
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      locationId: $response.body#/locations/0/id
      locationCurrency: $response.body#/locations/0/currency
  - stepId: createOrder
    description: Open an order at the resolved location with the supplied line items.
    operationId: create-order
    parameters:
    - name: Authorization
      in: header
      value: Bearer $inputs.accessToken
    requestBody:
      contentType: application/json
      payload:
        idempotency_key: $inputs.orderIdempotencyKey
        order:
          location_id: $steps.listLocations.outputs.locationId
          line_items: $inputs.lineItems
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      orderId: $response.body#/order/id
      orderTotal: $response.body#/order/total_money
  - stepId: createPayment
    description: Charge the supplied source for the order amount at the resolved location.
    operationId: create-payment
    parameters:
    - name: Authorization
      in: header
      value: Bearer $inputs.accessToken
    requestBody:
      contentType: application/json
      payload:
        source_id: $inputs.sourceId
        idempotency_key: $inputs.paymentIdempotencyKey
        amount_money:
          amount: $inputs.amount
          currency: $inputs.currency
        location_id: $steps.listLocations.outputs.locationId
    successCriteria:
    - condition: $statusCode == 200
    outputs:
      paymentId: $response.body#/payment/id
      paymentStatus: $response.body#/payment/status
  outputs:
    locationId: $steps.listLocations.outputs.locationId
    orderId: $steps.createOrder.outputs.orderId
    paymentId: $steps.createPayment.outputs.paymentId