Google Calendar Event Reminder

工作流概述

这是一个包含9个节点的复杂工作流,主要用于自动化处理各种任务。

工作流源代码

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{
  "id": "SvYHgLmzosuLAe4A",
  "meta": {
    "instanceId": "a4bfc93e975ca233ac45ed7c9227d84cf5a2329310525917adaf3312e10d5462",
    "templateCredsSetupCompleted": true
  },
  "name": "Google Calendar Event Reminder",
  "tags": [],
  "nodes": [
    {
      "id": "dff5d952-23cb-4822-9aec-0dcae3de568a",
      "name": "Schedule Trigger",
      "type": "n8n-nodes-base.scheduleTrigger",
      "disabled": true,
      "position": [
        -40,
        300
      ],
      "parameters": {
        "rule": {
          "interval": [
            {
              "field": "minutes",
              "minutesInterval": 1
            }
          ]
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "a6de9944-1dd7-430e-a1d9-100710ddfa9c",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        700,
        500
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {}
      },
      "credentials": {
        "openAiApi": {
          "id": "CDX6QM4gLYanh0P4",
          "name": "OpenAi account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "6d2208a6-6000-4b6b-a82c-e346b7885409",
      "name": "Get upcoming event",
      "type": "n8n-nodes-base.googleCalendar",
      "position": [
        240,
        300
      ],
      "parameters": {
        "limit": 5,
        "options": {},
        "timeMax": "={{ $now.plus({ hour: 1, minute:1 }) }}",
        "timeMin": "={{ $now.plus({ hour: 1 }) }}",
        "calendar": {
          "__rl": true,
          "mode": "list",
          "value": "davide.boizza@gmail.com",
          "cachedResultName": "davide.boizza@gmail.com"
        },
        "operation": "getAll"
      },
      "credentials": {
        "googleCalendarOAuth2Api": {
          "id": "8RFK3u13g2PJEGa9",
          "name": "Google Calendar account"
        }
      },
      "typeVersion": 1.3
    },
    {
      "id": "e6f6e744-60b0-4b22-93bc-f3ffcfac71f6",
      "name": "Already sent?",
      "type": "n8n-nodes-base.removeDuplicates",
      "position": [
        480,
        300
      ],
      "parameters": {
        "options": {},
        "operation": "removeItemsSeenInPreviousExecutions",
        "dedupeValue": "={{ $json.id }}"
      },
      "typeVersion": 2
    },
    {
      "id": "882d08f5-790a-40bb-bda5-60744d587633",
      "name": "Secretary Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        720,
        300
      ],
      "parameters": {
        "text": "=These are the details of the event/appointment:

Event Name: {{ $('Get upcoming event').item.json.summary }}
Description: {{ $('Get upcoming event').item.json.description }}
Location: {{ $('Get upcoming event').item.json.location }}
Start: {{ $('Get upcoming event').item.json.start.dateTime }}
End: {{ $('Get upcoming event').item.json.end.dateTime }}
Created by: {{ $('Get upcoming event').item.json.creator.email }}",
        "options": {
          "systemMessage": "=## Core Identity
You are a professional and friendly virtual secretary, dedicated to reminder appointments with efficiency and a warm personal touch.

## Communication Style
- Communicate in a conversational, approachable manner
- Maintain a balance between professional competence and friendly rapport
- Use a tone that is informal yet precise
- Inject occasional light humor and personality into interactions

## Key Responsibilities
1. Calendar Management
   - Provide timely reminders and scheduling updates

2. Communication Approach
   - Respond promptly and clearly
   - Maintain confidentiality and discretion

## Interaction Guidelines
- Use a friendly, conversational tone
- Just describe the details of the event without asking questions

## Tone and Language
- Warm and approachable
- Professional but not overly formal
- Direct and clear in communication
- Use simple, straightforward language
- Show genuine care and attentiveness

Remember: Your primary goal is to make the user's life easier, more organized, and less stressful through efficient and friendly administrative support."
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 1.8
    },
    {
      "id": "82509a0f-9086-423e-8928-f882e59333b8",
      "name": "Send reminder",
      "type": "n8n-nodes-base.telegram",
      "position": [
        1100,
        300
      ],
      "webhookId": "dbb6a96e-db3b-4827-9455-a91007b89616",
      "parameters": {
        "text": "={{ $json.output }}",
        "chatId": "CHAT_ID",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "0hSq9VwaiJifiscT",
          "name": "Telegram account"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "d08dd565-4718-4fbc-af7c-7a2e042c96f8",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -40,
        -140
      ],
      "parameters": {
        "color": 3,
        "width": 620,
        "content": "## Google Calendar Event Reminder
This smart **Google Calendar** workflow fixes that by sending you a clear, friendly reminder exactly **1 hour before your event starts**—delivered through **Telegram** as if a personal assistant were looking out for you. Powered by **AI**, it transforms cold calendar alerts into warm, conversational nudges you won't ignore."
      },
      "typeVersion": 1
    },
    {
      "id": "7a9379ca-f301-40b9-ae90-742663bbcdf2",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -40,
        40
      ],
      "parameters": {
        "width": 620,
        "height": 140,
        "content": "## STEP 1
- In the \"Get upcoming event\" node enter how much time before the event starts you want to be notified. It is currently set to 1 hour
- In the Telegram node replace CHAT_ID with that of your personal Bot"
      },
      "typeVersion": 1
    },
    {
      "id": "d7852912-6501-4a1b-8928-6eb890e4aea8",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        420,
        240
      ],
      "parameters": {
        "width": 220,
        "height": 200,
        "content": "Prevent multiple reminders for the same event"
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "pinData": {},
  "settings": {
    "timezone": "Europe/Rome",
    "callerPolicy": "workflowsFromSameOwner",
    "executionOrder": "v1"
  },
  "versionId": "d0dd74db-e96c-4a09-a8d1-6fb193b6e015",
  "connections": {
    "Already sent?": {
      "main": [
        [
          {
            "node": "Secretary Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Secretary Agent": {
      "main": [
        [
          {
            "node": "Send reminder",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Schedule Trigger": {
      "main": [
        [
          {
            "node": "Get upcoming event",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "Secretary Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Get upcoming event": {
      "main": [
        [
          {
            "node": "Already sent?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}

功能特点

  • 自动检测新邮件
  • AI智能内容分析
  • 自定义分类规则
  • 批量处理能力
  • 详细的处理日志

技术分析

节点类型及作用

  • Scheduletrigger
  • @N8N/N8N Nodes Langchain.Lmchatopenai
  • Googlecalendar
  • Removeduplicates
  • @N8N/N8N Nodes Langchain.Agent

复杂度评估

配置难度:
★★★★☆
维护难度:
★★☆☆☆
扩展性:
★★★★☆

实施指南

前置条件

  • 有效的Gmail账户
  • n8n平台访问权限
  • Google API凭证
  • AI分类服务订阅

配置步骤

  1. 在n8n中导入工作流JSON文件
  2. 配置Gmail节点的认证信息
  3. 设置AI分类器的API密钥
  4. 自定义分类规则和标签映射
  5. 测试工作流执行
  6. 配置定时触发器(可选)

关键参数

参数名称 默认值 说明
maxEmails 50 单次处理的最大邮件数量
confidenceThreshold 0.8 分类置信度阈值
autoLabel true 是否自动添加标签

最佳实践

优化建议

  • 定期更新AI分类模型以提高准确性
  • 根据邮件量调整处理批次大小
  • 设置合理的分类置信度阈值
  • 定期清理过期的分类规则

安全注意事项

  • 妥善保管API密钥和认证信息
  • 限制工作流的访问权限
  • 定期审查处理日志
  • 启用双因素认证保护Gmail账户

性能优化

  • 使用增量处理减少重复工作
  • 缓存频繁访问的数据
  • 并行处理多个邮件分类任务
  • 监控系统资源使用情况

故障排除

常见问题

邮件未被正确分类

检查AI分类器的置信度阈值设置,适当降低阈值或更新训练数据。

Gmail认证失败

确认Google API凭证有效且具有正确的权限范围,重新进行OAuth授权。

调试技巧

  • 启用详细日志记录查看每个步骤的执行情况
  • 使用测试邮件验证分类逻辑
  • 检查网络连接和API服务状态
  • 逐步执行工作流定位问题节点

错误处理

工作流包含以下错误处理机制:

  • 网络超时自动重试(最多3次)
  • API错误记录和告警
  • 处理失败邮件的隔离机制
  • 异常情况下的回滚操作