post to wallabag

工作流概述

这是一个包含10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": "4",
  "name": "post to wallabag",
  "nodes": [
    {
      "name": "On clicking 'execute'",
      "type": "n8n-nodes-base.manualTrigger",
      "position": [
        120,
        250
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "HTTP Request",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        1280,
        380
      ],
      "parameters": {
        "url": "=http://{HERE-YOUR-WALLABAG-HOST}/api/entries.json",
        "options": {},
        "requestMethod": "POST",
        "bodyParametersUi": {
          "parameter": [
            {
              "name": "url",
              "value": "={{$json[\"url\"]}}"
            }
          ]
        },
        "queryParametersUi": {
          "parameter": []
        },
        "headerParametersUi": {
          "parameter": [
            {
              "name": "Authorization",
              "value": "=Bearer {{$json[\"access_token\"]}}"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Cron",
      "type": "n8n-nodes-base.cron",
      "position": [
        120,
        400
      ],
      "parameters": {
        "triggerTimes": {
          "item": [
            {
              "mode": "everyX",
              "unit": "minutes",
              "value": 10
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Function",
      "type": "n8n-nodes-base.function",
      "position": [
        900,
        470
      ],
      "parameters": {
        "functionCode": "// Get the global workflow static data
const staticData = getWorkflowStaticData('global')

// Access its data
const lastStarRssId = staticData.lastStarRssId

let list = []

for (const item of items[0].json.content){
  let currentId = item.id
  if(currentId == lastStarRssId) break;
  list.push({'json':{
    'id': currentId,
    'lastId': lastStarRssId,
    'url': item.link,
    'tags': item.tags,
    'access_token': items[1].json.access_token
  }})
}


// Get the last ID from Rss Feed
let currentStarRssId = items[0].json.content[0].id

// TODO: make a loop to get all the items beyond the last saved id
if(!lastStarRssId || currentStarRssId != lastStarRssId)
{  
  // Update its data
  staticData.lastStarRssId = currentStarRssId;
  
}
else { list = [{'json':{ 'id': 'Nan', 'lastId': staticData.lastStarRssId }}] }
return list;

/*return [{'json':{'url': items[0].json.content.pop(), 'wallabag':items[1].json}}]*/"
      },
      "typeVersion": 1
    },
    {
      "name": "IF",
      "type": "n8n-nodes-base.if",
      "position": [
        1100,
        470
      ],
      "parameters": {
        "conditions": {
          "string": [
            {
              "value1": "={{$node[\"Function\"].json[\"id\"]}}",
              "value2": "NaN",
              "operation": "notEqual"
            }
          ],
          "boolean": []
        }
      },
      "typeVersion": 1
    },
    {
      "name": "NoOp",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1290,
        570
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Auth Wallabag",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        490,
        590
      ],
      "parameters": {
        "url": "http://{HERE-YOUR-WALLABAG-HOST}/oauth/v2/token",
        "options": {},
        "requestMethod": "POST",
        "bodyParametersUi": {
          "parameter": [
            {
              "name": "grant_type",
              "value": "password"
            },
            {
              "name": "client_id",
              "value": "{HERE-YOUR-CLIENT_ID}"
            },
            {
              "name": "client_secret",
              "value": "{HERE-YOUR-CLIENT_SECRET}"
            },
            {
              "name": "username",
              "value": "{HERE-YOUR-USERNAME}"
            },
            {
              "name": "password",
              "value": "{HERE-YOUR-PASSWORD}"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Merge",
      "type": "n8n-nodes-base.merge",
      "position": [
        710,
        470
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "name": "Get stared articles",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        490,
        400
      ],
      "parameters": {
        "url": "http://{HERE-YOUR-TTRSS-HOST}/tt-rss/api/",
        "options": {},
        "requestMethod": "POST",
        "bodyParametersUi": {
          "parameter": [
            {
              "name": "sid",
              "value": "={{$json[\"content\"][\"session_id\"]}}"
            },
            {
              "name": "op",
              "value": "getHeadLines"
            },
            {
              "name": "feed_id",
              "value": "-1"
            }
          ]
        }
      },
      "typeVersion": 1
    },
    {
      "name": "Auth TTRss",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        320,
        400
      ],
      "parameters": {
        "url": "http://{HERE-YOUR-TTRSS-HOST}/tt-rss/api/",
        "options": {},
        "requestMethod": "POST",
        "bodyParametersUi": {
          "parameter": [
            {
              "name": "op",
              "value": "login"
            },
            {
              "name": "user",
              "value": "{HERE-YOUR-API-USER}"
            },
            {
              "name": "password",
              "value": "{HERE-YOUR-API-SECRET}"
            }
          ]
        }
      },
      "typeVersion": 1
    }
  ],
  "active": false,
  "settings": {},
  "connections": {
    "IF": {
      "main": [
        [
          {
            "node": "HTTP Request",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "NoOp",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Cron": {
      "main": [
        [
          {
            "node": "Auth TTRss",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Merge": {
      "main": [
        [
          {
            "node": "Function",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Function": {
      "main": [
        [
          {
            "node": "IF",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Auth TTRss": {
      "main": [
        [
          {
            "node": "Get stared articles",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Auth Wallabag": {
      "main": [
        [
          {
            "node": "Merge",
            "type": "main",
            "index": 1
          }
        ]
      ]
    },
    "Get stared articles": {
      "main": [
        [
          {
            "node": "Merge",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "On clicking 'execute'": {
      "main": [
        [
          {
            "node": "Auth TTRss",
            "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

  • Manualtrigger
  • Httprequest
  • Cron
  • Function
  • If

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