opcode/examples/order-processing/workflow.json at main · rendis/opcode · GitHub

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{
  "name": "order-processing",
  "description": "Check stock, process payment if available, and notify fulfillment or out-of-stock.",
  "category": "commerce",
  "features": ["condition", "http", "retry"],
  "input_schema": {
    "type": "object",
    "required": ["order", "stock_api_url", "payment_api_url", "fulfillment_api_url", "notification_api_url"],
    "properties": {
      "order": {
        "type": "object",
        "description": "Order data with id, product, quantity, and price",
        "properties": {
          "id": { "type": "string" },
          "product": { "type": "string" },
          "quantity": { "type": "number" },
          "price": { "type": "number" }
        },
        "required": ["id", "product", "quantity", "price"]
      },
      "stock_api_url": {
        "type": "string",
        "description": "API endpoint to check product stock"
      },
      "payment_api_url": {
        "type": "string",
        "description": "API endpoint to process payment"
      },
      "fulfillment_api_url": {
        "type": "string",
        "description": "API endpoint to notify fulfillment"
      },
      "notification_api_url": {
        "type": "string",
        "description": "API endpoint for customer notifications"
      }
    }
  },
  "definition": {
    "timeout": "5m",
    "on_timeout": "fail",
    "steps": [
      {
        "id": "check-stock",
        "type": "action",
        "action": "http.get",
        "params": {
          "url": "${{inputs.stock_api_url}}",
          "headers": {
            "X-Product": "${{inputs.order.product}}",
            "X-Quantity": "${{inputs.order.quantity}}"
          }
        },
        "timeout": "15s",
        "retry": {
          "max": 2,
          "backoff": "exponential",
          "delay": "1s"
        }
      },
      {
        "id": "stock-decision",
        "type": "condition",
        "depends_on": ["check-stock"],
        "config": {
          "expression": "steps['check-stock'].body.available == true",
          "branches": {
            "true": [
              {
                "id": "process-payment",
                "type": "action",
                "action": "http.post",
                "params": {
                  "url": "${{inputs.payment_api_url}}",
                  "body": {
                    "order_id": "${{inputs.order.id}}",
                    "product": "${{inputs.order.product}}",
                    "quantity": "${{inputs.order.quantity}}",
                    "price": "${{inputs.order.price}}"
                  }
                },
                "timeout": "30s",
                "retry": {
                  "max": 2,
                  "backoff": "exponential",
                  "delay": "2s"
                }
              },
              {
                "id": "notify-fulfillment",
                "type": "action",
                "action": "http.post",
                "depends_on": ["process-payment"],
                "params": {
                  "url": "${{inputs.fulfillment_api_url}}",
                  "body": {
                    "order_id": "${{inputs.order.id}}",
                    "product": "${{inputs.order.product}}",
                    "quantity": "${{inputs.order.quantity}}"
                  }
                },
                "timeout": "15s",
                "retry": {
                  "max": 2,
                  "backoff": "exponential",
                  "delay": "1s"
                }
              },
              {
                "id": "send-confirmation",
                "type": "action",
                "action": "http.post",
                "depends_on": ["notify-fulfillment"],
                "params": {
                  "url": "${{inputs.notification_api_url}}",
                  "body": {
                    "order_id": "${{inputs.order.id}}",
                    "subject": "Order Confirmed",
                    "message": "Your order has been confirmed and sent to fulfillment."
                  }
                },
                "timeout": "15s",
                "retry": {
                  "max": 2,
                  "backoff": "exponential",
                  "delay": "1s"
                }
              }
            ]
          },
          "default": [
            {
              "id": "notify-out-of-stock",
              "type": "action",
              "action": "http.post",
              "params": {
                "url": "${{inputs.notification_api_url}}",
                "body": {
                  "order_id": "${{inputs.order.id}}",
                  "subject": "Out of Stock",
                  "message": "Product is currently out of stock. We will notify you when it becomes available."
                }
              },
              "timeout": "15s",
              "retry": {
                "max": 2,
                "backoff": "exponential",
                "delay": "1s"
              }
            }
          ]
        }
      }
    ]
  }
}