Guardar archivo de Line en Google Drive y registrar la URL del archivo

• •Punto final de HTTP Webhook (n8n generará automáticamente)
• •Credenciales de API de Google Drive
• •Pueden requerirse credenciales de autenticación para la API de destino
• •Credenciales de API de Google Sheets

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  "meta": {
    "instanceId": "2c12b0b552404dc07af67cd5f092afd21d18c808d4fdabdb04cb4b064195b6fb",
    "templateCredsSetupCompleted": true
  },
  "name": "Line Save File to Google Drive and Log File's URL",
  "tags": [
    {
      "id": "W3ZSaJHRI2hXA9gT",
      "name": "Line Messaging API",
      "createdAt": "2025-03-09T13:14:42.780Z",
      "updatedAt": "2025-03-09T13:14:42.780Z"
    }
  ],
  "nodes": [
    {
      "id": "47c9f83b-5590-4ffc-825c-5fee72e8ef87",
      "name": "Obtener Configuración",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
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      ],
      "parameters": {
        "range": "config!A1:H2",
        "options": {},
        "sheetId": "1iO4ZHU7s0fe1Jn8jcScNDce7rFXQlkRBqsO8IFHbcSc"
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
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      },
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      "alwaysOutputData": true
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      "name": "Crear Carpeta por Fecha",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
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      ],
      "parameters": {
        "name": "={{ $('Determine Folder Info').item.json.dateFolderName }}",
        "options": {
          "parents": [
            "={{ $('Determine Folder Info').item.json.baseFolderId }}"
          ]
        },
        "resource": "folder"
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      "credentials": {
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    },
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      "name": "Establecer ID de Carpeta por Fecha",
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      "parameters": {
        "jsCode": "// Log ข้อมูล input ทั้งหมด\n//console.log(\"Set Target Parent (Date) - Input:\", items);\n\nlet targetParentId = '';\n\nif (items.length > 0) {\n\t// ตรวจสอบจาก branch แรก (True Branch จาก IF node)\n\tif (items[0].json && items[0].json.id) {\n\t\ttargetParentId = items[0].json.id;\n\t} else if (items.length > 1 && items[1].json && items[1].json.id) {\n\t\t// ถ้าไม่พบจาก branch แรก ให้ลองดูจาก branch ที่สอง (False Branch หรือผลจากการสร้าง folder ใหม่)\n\t\ttargetParentId = items[1].json.id;\n\t}\n\t\n\t// เพิ่ม targetParentId ลงใน items[0].json\n\titems[0].json.targetParentId = targetParentId;\n\tconsole.log(\"Set Target Parent (Date) - Output:\", items);\n\treturn items;\n} else {\n\tconsole.log(\"Set Target Parent (Date) - No input items.\");\n\treturn [];\n}\n"
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      "name": "Crear Carpeta por Tipo de Archivo",
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      "parameters": {
        "name": "={{ $('Determine Folder Info').item.json.fileTypeFolderName }}",
        "driveId": {
          "__rl": true,
          "mode": "id",
          "value": "={{ $('Determine Folder Info').item.json.baseFolderId }}"
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          "__rl": true,
          "mode": "id",
          "value": "={{ $('Get Config').first().json['Store by Date'] === true ? $('Set Date Folder ID').first().json.targetParentId : $('Get Config').first().json[\"Parent Folder ID\"] }}"
        },
        "resource": "folder"
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      "credentials": {
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          "id": "QVrgALkld7whKIgB",
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        }
      },
      "typeVersion": 3
    },
    {
      "id": "d5ed8981-5b65-45a3-8ff4-c00902756bb9",
      "name": "Subir Archivo a Google Drive",
      "type": "n8n-nodes-base.googleDrive",
      "onError": "continueRegularOutput",
      "position": [
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      ],
      "parameters": {
        "name": "={{ $('Merge Event and Config Data').item.json.body.events[0].timestamp }}.{{$node[\"Get File Binary Content\"].binary.data.fileExtension}}",
        "driveId": {
          "__rl": true,
          "mode": "id",
          "value": "={{ $('Configure Final Parent Folder ID').item.json.finalParentId }}"
        },
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        "folderId": {
          "__rl": true,
          "mode": "id",
          "value": "root"
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      },
      "credentials": {
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      "alwaysOutputData": false
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      "id": "92787455-6839-455f-a939-6927660bc215",
      "name": "Determinar Información de Carpeta",
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        "jsCode": "const data = items[0].json;\nconst config = data.config;\nconst event = data.event;\n\n// ใช้ key จาก config ตามที่ส่งมา\nlet baseFolderId = config[\"Parent Folder ID\"];\nlet dateFolderName = \"\";\nlet fileTypeFolderName = \"\";\n\n// หากตั้งค่า Store by Date เป็น true\nif (config[\"Store by Date\"]) {\n  // ใช้ CurrentDate จาก config หรือใช้วันที่ปัจจุบันถ้าไม่มี\n  dateFolderName = config[\"CurrentDate\"] ? config[\"CurrentDate\"] : new Date().toISOString().slice(0,10).replace(/-/g, \"\");\n}\n\n// หากตั้งค่า Store by File Type เป็น true\nif (config[\"Store by File Type\"]) {\n  // ตรวจสอบว่า event.body.events มีข้อมูลหรือไม่\n  if (event.body && event.body.events && event.body.events.length > 0) {\n    // ดึง type ของ message จาก event.body.events[0]\n    fileTypeFolderName = event.body.events[0].message.type.toLowerCase();\n  }\n}\n\nreturn [{\n  json: {\n    baseFolderId,\n    dateFolderName,\n    fileTypeFolderName,\n    storeByDate: config[\"Store by Date\"],\n    storeByFileType: config[\"Store by File Type\"],\n    event: event,\n    config: config\n  }\n}];\n"
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            "__rl": true,
            "mode": "id",
            "value": "={{ $json.baseFolderId }}"
          }
        },
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        "resource": "fileFolder",
        "queryString": "={{ $json.dateFolderName }}"
      },
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        "googleDriveOAuth2Api": {
          "id": "QVrgALkld7whKIgB",
          "name": "Google Drive account - Peakwave"
        }
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      "alwaysOutputData": true
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          "boolean": [
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              "value1": "={{ $json.id !== undefined }}",
              "value2": true
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      "typeVersion": 1
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      "name": "Verificar Carpeta por Tipo de Archivo Existente",
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      "typeVersion": 1
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    {
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      "name": "Buscar Carpeta por Tipo de Archivo",
      "type": "n8n-nodes-base.googleDrive",
      "position": [
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      "parameters": {
        "filter": {
          "folderId": {
            "__rl": true,
            "mode": "id",
            "value": "={{ $('Get Config').item.json['Store by Date'] === true && $json.targetParentId && $json.targetParentId !== \"\" ? $json.targetParentId : $('Get Config').item.json['Parent Folder ID'] }}"
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          "id": "QVrgALkld7whKIgB",
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      "name": "Establecer ID de Carpeta por Tipo de Archivo",
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        "jsCode": "// Log ข้อมูล input ทั้งหมด\n//console.log(\"Set Target Parent (Date) - Input:\", items);\n\nlet targetParentId = '';\n\nif (items.length > 0) {\n\t// ตรวจสอบจาก branch แรก (True Branch จาก IF node)\n\tif (items[0].json && items[0].json.id) {\n\t\ttargetParentId = items[0].json.id;\n\t} else if (items.length > 1 && items[1].json && items[1].json.id) {\n\t\t// ถ้าไม่พบจาก branch แรก ให้ลองดูจาก branch ที่สอง (False Branch หรือผลจากการสร้าง folder ใหม่)\n\t\ttargetParentId = items[1].json.id;\n\t}\n\t\n\t// เพิ่ม targetParentId ลงใน items[0].json\n\titems[0].json.targetParentId = targetParentId;\n\tconsole.log(\"Set Target Parent (Date) - Output:\", items);\n\treturn items;\n} else {\n\tconsole.log(\"Set Target Parent (Date) - No input items.\");\n\treturn [];\n}\n"
      },
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      "position": [
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        "jsCode": "/**\n * Expected input: items array จาก Merge Final Data\n * - items[0].json คือผลลัพธ์ที่อาจเป็น folder สำหรับวันที่หรือ file type folder (ขึ้นอยู่กับเงื่อนไข)\n * - items[1].json คือผลลัพธ์อีกส่วนหนึ่ง (สำหรับกรณีที่มีทั้งสอง)\n * \n * Config จะถูกดึงมาจาก node 'Get Config'\n */\n\nconst config = $('Get Config').first().json;\nlet finalParentId = '';\n\n// เงื่อนไขเลือก finalParentId\nif (config[\"Store by Date\"] === true && config[\"Store by File Type\"] === true) {\n    // เมื่อทั้งสองเป็น TRUE: สมมุติว่า file type folder อยู่ใน items[1]\n    finalParentId = $('Set File Type Folder ID').first().json.targetParentId\n} else if (config[\"Store by Date\"] === true && config[\"Store by File Type\"] === false) {\n    // ใช้ folder ตามวันที่ (items[0])\n    finalParentId =$('Set Date Folder ID').first().json.targetParentId;\n} else if (config[\"Store by Date\"] === false && config[\"Store by File Type\"] === true) {\n    // ใช้ folder สำหรับประเภทไฟล์ (ใน test case นี้ ใช้ items[0])\n    finalParentId = $('Set File Type Folder ID').first().json.targetParentId;\n} else {\n    // เมื่อทั้งสองเป็น FALSE: ใช้ Parent Folder ID จาก config\n    finalParentId = config[\"Parent Folder ID\"];\n}\n\n// เพิ่ม finalParentId ลงใน items[0].json เพื่อส่งต่อให้ Node \"Upload File to Google Drive\" ใช้งาน\nitems[0].json.finalParentId = finalParentId;\nreturn [items[0]];\n"
      },
      "typeVersion": 2
    },
    {
      "id": "683c83fc-e4b7-4a0d-b5f0-8958d0743faf",
      "name": "Procesar Datos de Evento y Configuración",
      "type": "n8n-nodes-base.code",
      "position": [
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      ],
      "parameters": {
        "jsCode": "// ตรวจสอบว่า items มีอย่างน้อย 2 รายการหรือไม่\nconst eventData = items[0].json;\nlet config;\n\nif (items.length >= 2) {\n\t// ถ้ามี items[1] ให้ใช้เป็น config\n\tconst configData = items[1].json;\n\tconfig = Array.isArray(configData) ? configData[0] : configData;\n} else {\n\t// ถ้าไม่มี items[1] ให้ลองดึง config จาก eventData\n\t// สมมุติว่าฟิลด์ config ถูกส่งมาพร้อมกับ eventData ด้วยชื่อฟิลด์เหมือนที่ได้ใน output\n\tif (eventData[\"Parent Folder Path\"] && eventData[\"Parent Folder ID\"]) {\n\t\tconfig = {\n\t\t\t\"Parent Folder Path\": eventData[\"Parent Folder Path\"],\n\t\t\t\"Parent Folder ID\": eventData[\"Parent Folder ID\"],\n\t\t\t\"Store by Date\": eventData[\"Store by Date\"],\n\t\t\t\"Store by File Type\": eventData[\"Store by File Type\"],\n\t\t\t\"Allow File Types\": eventData[\"Allow File Types\"],\n\t\t\t\"CurrentDate\": eventData[\"CurrentDate\"],\n\t\t\t\"Reply Enabled\": eventData[\"Reply Enabled\"],\n\t\t\t\"CHANNEL ACCESS TOKEN\": eventData[\"CHANNEL ACCESS TOKEN\"]\n\t\t};\n\t} else {\n\t\tthrow new Error(\"ไม่พบข้อมูล config! กรุณาตรวจสอบว่า node ก่อนหน้านี้ส่งข้อมูล config มาด้วย\");\n\t}\n}\n\nreturn [{ json: { event: eventData, config: config } }];\n"
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      "typeVersion": 2
    },
    {
      "id": "fb5bd15c-bb0a-420b-a14b-ed5df5ecd691",
      "name": "Obtener Contenido Binario del Archivo",
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      "position": [
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      "parameters": {
        "url": "=https://api-data.line.me/v2/bot/message/{{ $('LINE Webhook Listener').item.json.body.events[0].message.id }}/content",
        "options": {},
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
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      "name": "Registrar Detalles del Archivo en Google Sheet",
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      "onError": "continueRegularOutput",
      "position": [
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      ],
      "parameters": {
        "columns": {
          "value": {
            "File Name": "={{ $json.name }}",
            "File Type": "={{ $json.fileExtension }}",
            "Date Uploaded": "={{ $json.createdTime }}",
            "Google Drive URL": "={{ $json.webContentLink }}"
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              "display": true,
              "required": false,
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              "canBeUsedToMatch": true
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              "required": false,
              "displayName": "Date Uploaded",
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              "canBeUsedToMatch": true
            },
            {
              "id": "Google Drive URL",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "Google Drive URL",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "File Type",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "File Type",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
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        "sheetName": {
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          "mode": "list",
          "value": 585160829,
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1iO4ZHU7s0fe1Jn8jcScNDce7rFXQlkRBqsO8IFHbcSc/edit#gid=585160829",
          "cachedResultName": "fileList"
        },
        "documentId": {
          "__rl": true,
          "mode": "id",
          "value": "1iO4ZHU7s0fe1Jn8jcScNDce7rFXQlkRBqsO8IFHbcSc"
        }
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          "name": "Google Sheets account"
        }
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      "typeVersion": 4.5,
      "alwaysOutputData": true
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      "name": "Verificar Bandera de Respuesta Habilitada",
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      "position": [
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      "parameters": {
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        "conditions": {
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            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
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          "combinator": "and",
          "conditions": [
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              "operator": {
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                "operation": "true",
                "singleValue": true
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              "leftValue": "={{ $('Get Config').item.json['Reply Enabled'] }}",
              "rightValue": "true"
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      "alwaysOutputData": true
    },
    {
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      "name": "Verificar si Almacenar por Fecha está Habilitado",
      "type": "n8n-nodes-base.if",
      "position": [
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        "conditions": {
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            "caseSensitive": true,
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              "operator": {
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                "operation": "true",
                "singleValue": true
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              "leftValue": "={{ $('Get Config').item.json['Store by File Type'] === true }}",
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    {
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      ],
      "webhookId": "feb869e5-a96c-4a5c-b346-3d7c7e64bf0a",
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        "options": {},
        "httpMethod": "POST"
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      "typeVersion": 1
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      "name": "Enviar Mensaje de Respuesta LINE",
      "type": "n8n-nodes-base.httpRequest",
      "onError": "continueRegularOutput",
      "position": [
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        620
      ],
      "parameters": {
        "url": "https://api.line.me/v2/bot/message/reply",
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        "jsonBody": "={\n  \"replyToken\": \"{{ $('LINE Webhook Listener').first().json.body.events[0].replyToken }}\",\n  \"messages\": [\n    {\n      \"type\": \"text\",\n      \"text\": \"{{ $('Validate File Type').item.json.error ? $('Validate File Type').item.json.error : $json['Google Drive URL'] }}\"\n    }\n  ]\n}",
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        "jsCode": "// ดึงค่า allowed types จาก Node \"Get Config\"\nconst allowedTypes = $('Get Config').first().json[\"Allow File Types\"]\n  .split(\"|\")\n  .map(s => s.trim().toLowerCase());\n\n// ดึงค่า file type จากข้อมูลของ event (ปรับให้ตรงกับ structure ของข้อมูลคุณ)\nconst fileType = $('LINE Webhook Listener').first().json.body.events[0].message.type.toLowerCase();\n\n// ตรวจสอบว่า fileType อยู่ใน allowedTypes หรือไม่\nif (!allowedTypes.includes(fileType)) {\n  // สร้าง Error object พร้อมแนบข้อมูล replyToken และ errorMessage\n  const error = new Error(`File type '${fileType}' is not allowed.`);\n  error.json = {\n    replyToken: $('LINE Webhook Listener').first().json.body.events[0].replyToken,\n    errorMessage: error.message,\n  };\n  throw error;\n}\n\nreturn items;\n"
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        "content": "## Workflow Entry & Configuration\nThis section initializes the workflow by listening to incoming requests from \nthe LINE Messaging API and retrieving configuration details from Google Sheets. \nIt merges the event data with the config, then determines initial folder information \n(such as whether to store files by date or file type). Nodes in this group:\n\n* **LINE Webhook Listener**\nReceives POST requests (file messages) from LINE.\n* **Get Config**\nReads configuration data (parent folder, allowed file types, etc.) from a Google Sheet.\n* **Merge Event and Config Data**\nCombines the LINE event data and config data.\n* **Determine Folder Info**\nCalculates folder names based on the config (e.g., date folder name, file type folder name)."
      },
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        "content": "## Folder Search & Creation\nThis section handles the logic for finding or creating the appropriate Google Drive folders.\nIt checks if a date folder exists (when Store by Date is enabled) and whether a file type folder\n is required (when Store by File Type is enabled). Nodes in this group:\n\n* **Search Date Folder / Check Existing Date Folder / Check if Store by Date is Enabled** \nLooks for or creates a date-based folder.\n* **Create Date Folder / Set Date Folder ID** \nreates and stores the date folder ID if it doesn’t exist.\n* **Search File Type Folder / Check Existing File Type Folder / Check if Store by File Type is Enabled** \nSimilarly handles file type subfolder logic.\n* **Create File Type Folder / Set File Type Folder ID** \n Creates and stores the file type folder ID.\n* **Merge Final Parent Folder Data / Configure Final Parent Folder ID** \nMerges the final folder IDs (date folder + file type folder) to determine where the file should be placed."
      },
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        "content": "## Upload, Log, & Reply\nOnce the file is validated and the correct folder determined, the workflow uploads the file\nto Google Drive and logs the details in a Google Sheet. Finally, it checks whether replies \nare enabled and, if so, sends a message back to the LINE user (either confirming a successful\nupload or reporting an error). Nodes in this group:\n\n* **Upload File to Google Drive**\nUploads the validated file to the determined folder path.\n* **Log File Details to Google Sheet**\nRecords the file name, upload date, URL, and file type in Google Sheets.\n* **Check Reply Enabled Flag**\nVerifies if replies to LINE are turned on in the config.\n* **Send LINE Reply Message**\nSends a text reply back to the user via LINE, either containing the file’s Google Drive URL or an error message."
      },
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        "content": "## File Retrieval & Validation\nIn this group, the workflow fetches the binary content of the file from the LINE API\nand validates whether the file type is allowed (e.g., image, audio, video). If the \nfile type is not permitted, the workflow throws an error which will be used to send\nan appropriate reply message back to LINE. Nodes in this group:\n\n* **Get File Binary Content**\nRetrieves the actual file data from the LINE Messaging API.\n* **Validate File Type**\nChecks the file’s MIME type against an allowed list from the config and throws an error if disallowed."
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