{
  "nodes": [
    {
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "position": [
        450,
        300
      ],
      "parameters": {
        "httpMethod": "POST",
        "path": "acknowledge-pagerduty-incident-from-mattermost",
        "responseMode": "onReceived",
        "options": {
          "responseData": "{}",
          "responseContentType": "application/json"
        }
      },
      "typeVersion": 1,
      "id": "acknowledge-pagerduty-incident-from-mattermost-0"
    },
    {
      "id": "acknowledge-pagerduty-incident-from-mattermost-1",
      "name": "Validate the action",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function planAcknowledgement({body,secret,from}){\n if(typeof secret!=='string'||secret.length<24||secret==='YOUR_ACTION_SECRET')throw Error('Configure a strong action secret');const received=body?.context?.action_secret;if(typeof received!=='string'||received!==secret)throw Error('Invalid action secret');const incident=body?.context?.pagerduty_incident,channel=body?.channel_id;if(typeof incident!=='string'||!incident.trim()||typeof channel!=='string'||!channel.trim())throw Error('Missing incident or channel');if(typeof from!=='string'||!/^\\S+@\\S+\\.\\S+$/.test(from)||from==='YOUR_PAGERDUTY_EMAIL')throw Error('Configure PagerDuty user email');return{incidentId:incident,channelId:channel,from};\n}\n\nreturn {json:planAcknowledgement({body:$json.body,secret:$env.MATTERMOST_ACTION_SECRET,from:\"YOUR_PAGERDUTY_EMAIL\"})};"
      }
    },
    {
      "name": "PagerDuty",
      "type": "n8n-nodes-base.pagerDuty",
      "position": [
        650,
        300
      ],
      "parameters": {
        "resource": "incident",
        "operation": "update",
        "email": "={{ $(\"Validate the action\").first().json.from }}",
        "incidentId": "={{ $(\"Validate the action\").first().json.incidentId }}",
        "updateFields": {
          "status": "acknowledged"
        }
      },
      "typeVersion": 1,
      "id": "acknowledge-pagerduty-incident-from-mattermost-2"
    },
    {
      "id": "acknowledge-pagerduty-incident-from-mattermost-3",
      "name": "Confirm the incident status",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "function confirmAcknowledgement({incident,incidentId}){if(!incident||incident.id!==incidentId||incident.status!=='acknowledged')throw Error('PagerDuty did not confirm acknowledgement');return{message:'💪🏼 Incident status has been changed to Acknowledged on PagerDuty.'};}\n\nreturn {json:confirmAcknowledgement({incident:$json,incidentId:$(\"Validate the action\").first().json.incidentId})};"
      }
    },
    {
      "name": "Mattermost",
      "type": "n8n-nodes-base.mattermost",
      "position": [
        850,
        300
      ],
      "parameters": {
        "resource": "message",
        "operation": "post",
        "channelId": "={{ $(\"Validate the action\").first().json.channelId }}",
        "message": "={{ $json.message }}",
        "attachments": [],
        "otherOptions": {}
      },
      "typeVersion": 1,
      "id": "acknowledge-pagerduty-incident-from-mattermost-4"
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Validate the action",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate the action": {
      "main": [
        [
          {
            "node": "PagerDuty",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "PagerDuty": {
      "main": [
        [
          {
            "node": "Confirm the incident status",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Confirm the incident status": {
      "main": [
        [
          {
            "node": "Mattermost",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "name": "Acknowledge a PagerDuty Incident from Mattermost",
  "active": false,
  "pinData": {}
}