workflow/example/trigger-workflow-example.yaml at main · GoCodeAlone/workflow · GitHub

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requires:
  plugins:
    - name: api
    - name: messaging
    - name: modular-compat
    - name: statemachine
    - name: workflow-plugin-http

modules:
  # HTTP infrastructure
  - name: api-http-server
    type: http.server
    config:
      address: ":8080"

  - name: api-router
    type: http.router
    dependsOn:
      - api-http-server

  # Authentication middleware
  - name: auth-middleware
    type: http.middleware.auth
    config:
      secretKey: "my-secret-key"

  # Messaging infrastructure
  - name: message-broker
    type: messaging.broker

  # Scheduler for timed operations
  - name: cron-scheduler
    type: scheduler.modular

  # API handlers
  - name: users-api
    type: api.handler
    config:
      resourceName: "users"

  - name: products-api
    type: api.handler
    config:
      resourceName: "products"

  - name: orders-api
    type: api.handler
    config:
      resourceName: "orders"

  - name: health-api
    type: http.handler
    config:
      contentType: "application/json"

  # Messaging handlers
  - name: user-event-handler
    type: messaging.handler

  - name: order-processor
    type: messaging.handler

  - name: inventory-updater
    type: messaging.handler

  - name: notification-service
    type: messaging.handler

  # State machine for order processing
  - name: order-state-machine
    type: statemachine.engine
    config:
      description: "Processes orders through their lifecycle"

workflows:
  http:
    routes:
      # Public endpoints
      - method: GET
        path: /health
        handler: health-api

      # Protected endpoints
      - method: GET
        path: /api/users
        handler: users-api
        middlewares:
          - auth-middleware
      - method: POST
        path: /api/users
        handler: users-api
        middlewares:
          - auth-middleware
      - method: GET
        path: /api/products
        handler: products-api
        middlewares:
          - auth-middleware
      - method: GET
        path: /api/orders
        handler: orders-api
        middlewares:
          - auth-middleware
      - method: POST
        path: /api/orders
        handler: orders-api
        middlewares:
          - auth-middleware

  messaging:
    subscriptions:
      - topic: user-events
        handler: user-event-handler
      - topic: order-events
        handler: order-processor
      - topic: inventory-updates
        handler: inventory-updater
      - topic: notifications
        handler: notification-service

  statemachine:
    engine: order-state-machine
    definitions:
      - name: order-workflow
        description: "Order processing workflow"
        initialState: "new"
        states:
          new:
            description: "New order"
            isFinal: false
          processing:
            description: "Order is being processed"
            isFinal: false
          completed:
            description: "Order has been completed"
            isFinal: true
          cancelled:
            description: "Order was cancelled"
            isFinal: true
        transitions:
          submit_order:
            fromState: "new"
            toState: "processing"
          complete_order:
            fromState: "processing"
            toState: "completed"
          cancel_order:
            fromState: "processing"
            toState: "cancelled"

# New section for triggers
triggers:
  http:
    routes:
      - path: "/api/workflows/orders/submit"
        method: "POST"
        workflow: "order-workflow"
        action: "submit_order"
      - path: "/api/workflows/orders/:id/complete"
        method: "POST"
        workflow: "order-workflow"
        action: "complete_order"
      - path: "/api/workflows/orders/:id/cancel"
        method: "POST"
        workflow: "order-workflow"
        action: "cancel_order"

  schedule:
    jobs:
      - cron: "0 * * * *"  # Every hour
        workflow: "order-workflow"
        action: "process_pending_orders"
        params:
          batchSize: 100
      - cron: "0 0 * * *"  # Every day at midnight
        workflow: "inventory-workflow"
        action: "daily_inventory_check"

  event:
    subscriptions:
      - topic: "order-events"
        event: "order.created"
        workflow: "order-workflow"
        action: "submit_order"
      - topic: "order-events"
        event: "order.payment_received"
        workflow: "order-workflow"
        action: "complete_order"
      - topic: "order-events"
        event: "order.cancelled"
        workflow: "order-workflow"
        action: "cancel_order"