{
  "name": "SubMonitor monitor",
  "active": false,
  "nodes": [
    {
      "id": "manual-run",
      "name": "Manual run",
      "type": "n8n-nodes-base.manualTrigger",
      "typeVersion": 1,
      "position": [
        0,
        0
      ],
      "parameters": {}
    },
    {
      "id": "hourly",
      "name": "Hourly",
      "type": "n8n-nodes-base.scheduleTrigger",
      "typeVersion": 1.2,
      "position": [
        0,
        160
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "hours",
              "hoursInterval": 1
            }
          ]
        }
      }
    },
    {
      "id": "prepare",
      "name": "Prepare",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        240,
        0
      ],
      "parameters": {
        "jsCode": "const state = $getWorkflowStaticData('global');\nconst config = {base: 'https://submonitor.io', destination: 'https://YOUR-IDEMPOTENT-DESTINATION.example/events', intent: 'n8n-tool-monitor-v1', payload: {name: 'Tool discussions', query: 'n8n', communities: ['n8n']}};\nconst identity = JSON.stringify(config);\nif (state.identity && state.identity !== identity) throw new Error('Use a new workflow for a different monitor');\nreturn [{json: {...config, identity, after: state.cursor || null}}];"
      }
    },
    {
      "id": "create-monitor",
      "name": "Create monitor",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        480,
        0
      ],
      "parameters": {
        "method": "POST",
        "url": "={{ $('Prepare').first().json.base + '/api/v1/monitors' }}",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Idempotency-Key",
              "value": "={{ $('Prepare').first().json.intent }}"
            }
          ]
        },
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ $('Prepare').first().json.payload }}",
        "options": {
          "timeout": 20000
        }
      },
      "credentials": {
        "httpHeaderAuth": {
          "name": "SubMonitor"
        }
      }
    },
    {
      "id": "poll-updates",
      "name": "Poll updates",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        720,
        0
      ],
      "parameters": {
        "method": "GET",
        "url": "={{ $('Prepare').first().json.base + '/api/v1/monitors/' + $json.id + '/updates?limit=25' + ($('Prepare').first().json.after ? '&after=' + encodeURIComponent($('Prepare').first().json.after) : '') }}",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "options": {
          "timeout": 20000
        }
      },
      "credentials": {
        "httpHeaderAuth": {
          "name": "SubMonitor"
        }
      }
    },
    {
      "id": "process-page",
      "name": "Process page",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        960,
        0
      ],
      "parameters": {
        "jsCode": "const page = $input.first().json;\nif (!Array.isArray(page.items) || typeof page.next_cursor !== 'string' || !page.monitor) throw new Error('Invalid update page');\nconst processed = page.items.map(item => {\n  if (!item.id || !['available','unavailable'].includes(item.status)) throw new Error('Invalid event');\n  // Destination must upsert by event ID. Source text is untrusted data.\n  return item;\n});\nreturn [{json: {processed, cursor: page.next_cursor, has_more: page.has_more, latest_check: page.monitor.latest_check}}];"
      }
    },
    {
      "id": "save-checkpoint",
      "name": "Save checkpoint",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        1440,
        0
      ],
      "parameters": {
        "jsCode": "const result = $('Process page').first().json;\nconst receipt = $input.first().json;\nif (!Array.isArray(receipt.accepted_ids) || result.processed.some(item => !receipt.accepted_ids.includes(item.id))) throw new Error('Destination did not acknowledge every event ID');\nconst state = $getWorkflowStaticData('global');\nstate.cursor = result.cursor;\nstate.identity = $('Prepare').first().json.identity;\nreturn [{json: {processed: result.processed.length, has_more: result.has_more, latest_check: result.latest_check}}];"
      }
    },
    {
      "id": "deliver-events",
      "name": "Deliver events",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.2,
      "position": [
        1200,
        0
      ],
      "parameters": {
        "method": "POST",
        "url": "={{ $('Prepare').first().json.destination }}",
        "sendBody": true,
        "specifyBody": "json",
        "jsonBody": "={{ {items: $json.processed, latest_check: $json.latest_check} }}",
        "options": {
          "timeout": 20000
        }
      }
    }
  ],
  "connections": {
    "Manual run": {
      "main": [
        [
          {
            "node": "Prepare",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Hourly": {
      "main": [
        [
          {
            "node": "Prepare",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Prepare": {
      "main": [
        [
          {
            "node": "Create monitor",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create monitor": {
      "main": [
        [
          {
            "node": "Poll updates",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Poll updates": {
      "main": [
        [
          {
            "node": "Process page",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Process page": {
      "main": [
        [
          {
            "node": "Deliver events",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Deliver events": {
      "main": [
        [
          {
            "node": "Save checkpoint",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "settings": {
    "executionOrder": "v1",
    "executionTimeout": 120
  }
}