{
  "meta": {
    "instanceId": "workflow-da8e9884",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:44.101595",
    "updatedAt": "2025-09-29T07:07:44.101610",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "nodes": [
    {
      "id": "6f869392-1501-49b9-be86-4b767f7ec597",
      "name": "Previous Month",
      "type": "n8n-nodes-base.dateTime",
      "position": [
        360,
        420
      ],
      "parameters": {
        "value": "={{Date()}}",
        "action": "calculate",
        "options": {},
        "duration": 1,
        "timeUnit": "months",
        "operation": "subtract"
      },
      "typeVersion": 1,
      "notes": "This dateTime node performs automated tasks as part of the workflow."
    },
    {
      "id": "1446eb44-bd1e-4dad-9ecc-c2a1e8cb2ca6",
      "name": "1st of Every month at 8am",
      "type": "n8n-nodes-base.cron",
      "position": [
        180,
        420
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "hour": 8,
              "mode": "everyMonth"
            }
          ]
        }
      },
      "typeVersion": 1,
      "notes": "This cron node performs automated tasks as part of the workflow."
    },
    {
      "id": "a044ac76-49d9-4046-b008-2b4adf6512b1",
      "name": "Check Summary for Illness or Holiday",
      "type": "n8n-nodes-base.switch",
      "position": [
        760,
        420
      ],
      "parameters": {
        "rules": {
          "rules": [
            {
              "value2": "Holiday",
              "operation": "contains"
            },
            {
              "output": 1,
              "value2": "Illness",
              "operation": "contains"
            }
          ]
        },
        "value1": "={{$json[\"summary\"]}}",
        "dataType": "string"
      },
      "typeVersion": 1,
      "notes": "This switch node performs automated tasks as part of the workflow."
    },
    {
      "id": "6b40beab-7938-4aaa-a8a8-7a1e364dc2de",
      "name": "Holiday",
      "type": "n8n-nodes-base.noOp",
      "position": [
        980,
        220
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This noOp node performs automated tasks as part of the workflow."
    },
    {
      "id": "b069f3ce-66d1-4f64-946b-f9fda27db46b",
      "name": "Illness",
      "type": "n8n-nodes-base.noOp",
      "position": [
        980,
        400
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This noOp node performs automated tasks as part of the workflow."
    },
    {
      "id": "5725626b-2bfd-47a0-947e-efd28f0c29fe",
      "name": "Filter Holiday Days",
      "type": "n8n-nodes-base.set",
      "position": [
        1180,
        220
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "Name",
              "value": "={{$json[\"description\"].split(\",\")[0]}}"
            },
            {
              "name": "Days",
              "value": "={{(new Date($json[\"end\"][\"date\"]).getTime() - new Date($json[\"start\"][\"date\"]).getTime()) / (1000 * 3600 * 24)}}"
            },
            {
              "name": "Type",
              "value": "Holiday"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "3114eb4f-a5be-452c-9729-b94d2904eb4b",
      "name": "Filter Illness Days",
      "type": "n8n-nodes-base.set",
      "position": [
        1180,
        400
      ],
      "parameters": {
        "values": {
          "string": [
            {
              "name": "Name",
              "value": "={{$json[\"description\"].split(\",\")[0]}}"
            },
            {
              "name": "Days",
              "value": "={{(new Date($json[\"end\"][\"date\"]).getTime() - new Date($json[\"start\"][\"date\"]).getTime()) / (1000 * 3600 * 24)}}"
            },
            {
              "name": "Type",
              "value": "Illness"
            }
          ]
        },
        "options": {},
        "keepOnlySet": true
      },
      "typeVersion": 1,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "04617849-c162-4af5-9634-ab8ffd925625",
      "name": "Merge",
      "type": "n8n-nodes-base.merge",
      "position": [
        1620,
        320
      ],
      "parameters": {},
      "typeVersion": 1,
      "notes": "This merge node performs automated tasks as part of the workflow."
    },
    {
      "id": "daf227d9-938d-4110-9a47-5bf8bb661586",
      "name": "Get previous months events",
      "type": "n8n-nodes-base.googleCalendar",
      "position": [
        560,
        420
      ],
      "parameters": {
        "options": {
          "timeMax": "={{new Date().toISOString()}}",
          "timeMin": "={{$json[\"data\"]}}"
        },
        "calendar": "[Select Cal]",
        "operation": "getAll",
        "returnAll": true
      },
      "credentials": {
        "googleCalendarOAuth2Api": {
          "id": "{{ $credentials.googleCalendarOAuth2Api.id }}",
          "name": "Google Calendar account"
        }
      },
      "typeVersion": 1,
      "notes": "This googleCalendar node performs automated tasks as part of the workflow."
    },
    {
      "id": "19ec862a-e71a-49f9-b799-26f73a410553",
      "name": "Send email to payroll",
      "type": "n8n-nodes-base.emailSend",
      "position": [
        1980,
        320
      ],
      "parameters": {
        "text": "={{$json[\"message\"]}}",
        "options": {},
        "subject": "Absences from last month",
        "toEmail": "payroll-team@mydomain.tld",
        "fromEmail": "n8n@mydomain.tld"
      },
      "credentials": {
        "smtp": {
          "id": "{{ $credentials.smtp.id }}",
          "name": "mailtrap"
        }
      },
      "typeVersion": 1,
      "notes": "This emailSend node performs automated tasks as part of the workflow."
    },
    {
      "id": "5805b2e1-e723-4803-a7e0-8df5fd4cf84d",
      "name": "Combine Holiday Counts",
      "type": "n8n-nodes-base.code",
      "position": [
        1380,
        220
      ],
      "parameters": {
        "jsCode": "let names = $input.all().map(e => e.json.Name);\nlet unique_names = [...new Set(names)];\nlet results = [];\n\nfor (thisName of unique_names) {\n  let result = {\n    \"Name\": thisName,\n    \"Days\": 0,\n    \"Type\": \"Holiday\"\n  }\n\n  for (matching_item of $input.all().filter(e => e.json.Name === thisName)) {\n    result.Days += parseInt(matching_item.json.Days);\n  }\n  \n  results.push(result);\n}\n\nreturn results.map(e => { return {json: e} });"
      },
      "typeVersion": 1,
      "notes": "This code node performs automated tasks as part of the workflow."
    },
    {
      "id": "c30345ae-1a19-4453-a67b-eda71cb7326e",
      "name": "Combine Illness Counts",
      "type": "n8n-nodes-base.code",
      "position": [
        1380,
        400
      ],
      "parameters": {
        "jsCode": "let names = $input.all().map(e => e.json.Name);\nlet unique_names = [...new Set(names)];\nlet results = [];\n\nfor (thisName of unique_names) {\n  let result = {\n    \"Name\": thisName,\n    \"Days\": 0,\n    \"Type\": \"Illness\"\n  }\n\n  for (matching_item of $input.all().filter(e => e.json.Name === thisName)) {\n    result.Days += parseInt(matching_item.json.Days);\n  }\n  \n  results.push(result);\n}\n\nreturn results.map(e => { return {json: e} });"
      },
      "typeVersion": 1,
      "notes": "This code node performs automated tasks as part of the workflow."
    },
    {
      "id": "7bac2604-ca55-4300-a7a5-38fc96830ba6",
      "name": "Build the message to send",
      "type": "n8n-nodes-base.code",
      "position": [
        1800,
        320
      ],
      "parameters": {
        "jsCode": "let illnessMessage = \"\";\nlet holidayMessage = \"\";\nlet message = \"Here is a breakdown of absences for the last month.\\n\\n\";\n\n// Loop the input items\nfor (item of $input.all()) {\n  if (item.json.Type == \"Holiday\") {\n    holidayMessage += item.json.Name + \" had \" + item.json.Days + \" days\\n\";\n  }\n  if (item.json.Type == \"Illness\") {\n    illnessMessage += item.json.Name + \" had \" + item.json.Days + \" days\\n\";\n  }\n}\n\nif (holidayMessage != \"\") {\n  message += \"Holiday Events\\n\";\n  message += holidayMessage + \"\\n\";\n} else {\n  message += \"No Holiday Events\\n\";\n}\n\nif (illnessMessage != \"\") {\n  message += \"Illness Events\\n\";\n  message += illnessMessage;\n} else {\n  message += \"No Illness Events\\n\";\n}\n\n// Return our message\nreturn [{json: {message}}];"
      },
      "typeVersion": 1,
      "notes": "This code node performs automated tasks as part of the workflow."
    }
  ],
  "connections": {
    "daf227d9-938d-4110-9a47-5bf8bb661586": {
      "main": [
        [
          {
            "node": "error-handler-daf227d9-938d-4110-9a47-5bf8bb661586-62025720",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "19ec862a-e71a-49f9-b799-26f73a410553": {
      "main": [
        [
          {
            "node": "error-handler-19ec862a-e71a-49f9-b799-26f73a410553-f86e0484",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-19ec862a-e71a-49f9-b799-26f73a410553-fc92f77a",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-19ec862a-e71a-49f9-b799-26f73a410553-73f6f9fe",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-19ec862a-e71a-49f9-b799-26f73a410553-537f6132",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-19ec862a-e71a-49f9-b799-26f73a410553-6e13d985",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-19ec862a-e71a-49f9-b799-26f73a410553-e6193320",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-19ec862a-e71a-49f9-b799-26f73a410553-1833ca2f",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "error-handler-19ec862a-e71a-49f9-b799-26f73a410553-1df57b96",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "name": "Datetime Workflow",
  "description": "Automated workflow: Datetime Workflow. This workflow processes data and performs automated tasks.",
  "settings": {
    "executionOrder": "v1",
    "saveManualExecutions": true,
    "callerPolicy": "workflowsFromSameOwner",
    "errorWorkflow": null,
    "timezone": "UTC",
    "executionTimeout": 3600,
    "maxExecutions": 1000,
    "retryOnFail": true,
    "retryCount": 3,
    "retryDelay": 1000
  },
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "notes": "Excellent quality workflow: Datetime Workflow. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."
}