n8n_workflow.json

{
  "nodes": [
    {
      "parameters": {
        "authentication": "headerAuth",
        "url": "https://canvas.instructure.com/api/v1/courses/{{course_id}}/assignments",
        "responseFormat": "json",
        "headers": {
          "Authorization": "Bearer YOUR_ACCESS_TOKEN"
        }
      },
      "name": "Fetch Assignments",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 1,
      "position": [450, 250]
    },
    {
      "parameters": {
        "sms": {
          "body": "Your assignment '{{json.name}}' is due soon. Reply YES to submit automatically.",
          "from": "YOUR_TWILIO_NUMBER",
          "to": "{{json.phone_number}}"
        }
      },
      "name": "Send SMS Consent",
      "type": "n8n-nodes-base.twilio",
      "typeVersion": 1,
      "position": [650, 250]
    },
    {
      "parameters": {
        "url": "http://localhost:5000/webhook/sms",
        "responseMode": "onReceived"
      },
      "name": "Wait for Webhook Response",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [850, 250]
    },
    {
      "parameters": {
        "conditions": {
          "boolean": [
            {
              "value1": "{{json.response}}",
              "value2": "YES"
            }
          ]
        }
      },
      "name": "Consent Given?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [1050, 250]
    },
    {
      "parameters": {
        "functionCode": "return [{ json: { prompt: `Write a discussion post about ${$json.name}` } }];"
      },
      "name": "Generate AI Content",
      "type": "n8n-nodes-base.function",
      "typeVersion": 1,
      "position": [1250, 250]
    },
    {
      "parameters": {
        "authentication": "headerAuth",
        "url": "https://canvas.instructure.com/api/v1/courses/{{course_id}}/assignments/{{assignment_id}}/submissions",
        "responseFormat": "json",
        "headers": {
          "Authorization": "Bearer YOUR_ACCESS_TOKEN"
        },
        "jsonParameters": true,
        "options": {},
        "bodyParametersJson": {
          "submission": {
            "submission_type": "online_text_entry",
            "body": "{{json.content}}"
          }
        }
      },
      "name": "Submit Assignment",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 1,
      "position": [1450, 250]
    }
  ]
}