Telegram RAG PDF
高级
这是一个AI领域的自动化工作流，包含 20 个节点。主要使用 If, Code, Limit, Telegram, StopAndError 等节点，结合人工智能技术实现智能自动化。 Telegram与PDF聊天
前置要求
- •Telegram Bot Token
- •OpenAI API Key
- •Pinecone API Key
使用的节点 (20)
分类
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"id": "5Ycrm1MuK8htwd96",
"meta": {
"instanceId": "e5595d8cd58f3a24b5a8cf05dd852846c05423873db868a2b7d01a778210c45a",
"templateCredsSetupCompleted": true
},
"name": "Telegram RAG pdf",
"tags": [],
"nodes": [
{
"id": "9fbce801-8c42-43a4-bc70-d93042d68b2c",
"name": "Telegram 触发器",
"type": "n8n-nodes-base.telegramTrigger",
"position": [
-220,
240
],
"webhookId": "b178f034-9997-4832-9bb4-a43c3015506e",
"parameters": {
"updates": [
"message"
],
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"id": "",
"name": ""
}
},
"typeVersion": 1.1
},
{
"id": "1bfc1fbd-86b1-4a8a-9301-fe54497f5acd",
"name": "OpenAI 嵌入",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
720,
460
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"id": "",
"name": ""
}
},
"typeVersion": 1
},
{
"id": "d5ad7851-ed40-4b3a-b0d5-aeaf04362f1c",
"name": "默认数据加载器",
"type": "@n8n/n8n-nodes-langchain.documentDefaultDataLoader",
"position": [
860,
460
],
"parameters": {
"options": {},
"dataType": "binary"
},
"typeVersion": 1
},
{
"id": "fed803d0-49a2-4b82-8f20-a02a10caa027",
"name": "递归字符文本分割器",
"type": "@n8n/n8n-nodes-langchain.textSplitterRecursiveCharacterTextSplitter",
"position": [
940,
680
],
"parameters": {
"options": {},
"chunkSize": 3000,
"chunkOverlap": 200
},
"typeVersion": 1
},
{
"id": "ab60f36f-fada-4812-8dbd-441ad372cb80",
"name": "停止和错误",
"type": "n8n-nodes-base.stopAndError",
"position": [
220,
840
],
"parameters": {
"errorMessage": "An error occurred"
},
"typeVersion": 1
},
{
"id": "c87f1db3-7cc9-4063-9895-4b4d68ea53a1",
"name": "问答链",
"type": "@n8n/n8n-nodes-langchain.chainRetrievalQa",
"position": [
-280,
500
],
"parameters": {
"text": "={{ $json.message.text }}\nSearch the database with the retriever for information for the answer",
"promptType": "define"
},
"typeVersion": 1.3
},
{
"id": "c9bc4c80-8e57-48bc-a405-131ed7348c1d",
"name": "向量存储检索器",
"type": "@n8n/n8n-nodes-langchain.retrieverVectorStore",
"position": [
-240,
680
],
"parameters": {},
"typeVersion": 1
},
{
"id": "0217056f-2b71-4308-adf1-19dcd4d2cc11",
"name": "Pinecone 向量存储1",
"type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
"position": [
-280,
860
],
"parameters": {
"options": {},
"pineconeIndex": {
"__rl": true,
"mode": "list",
"value": "telegram",
"cachedResultName": "telegram"
}
},
"credentials": {
"pineconeApi": {
"id": "",
"name": ""
}
},
"typeVersion": 1
},
{
"id": "693f9026-f47f-48dc-8e5d-e8b832a37235",
"name": "Groq 聊天模型",
"type": "@n8n/n8n-nodes-langchain.lmChatGroq",
"position": [
-380,
660
],
"parameters": {
"model": "llama-3.1-70b-versatile",
"options": {}
},
"credentials": {
"groqApi": {
"id": "",
"name": ""
}
},
"typeVersion": 1
},
{
"id": "c7acf014-138f-4be7-b569-c309bb10e50d",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
500,
73.04879287725316
],
"parameters": {
"color": 7,
"width": 1139.5159692915001,
"height": 873.6068151028411,
"content": "# 将数据加载到数据库"
},
"typeVersion": 1
},
{
"id": "dd3b9d8b-5771-4a09-8c1b-794cb8737d5d",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-878.769,
400
],
"parameters": {
"color": 7,
"width": 1344.7918019808176,
"height": 806.8716167324012,
"content": "# 与数据库聊天"
},
"typeVersion": 1
},
{
"id": "9aaf575a-5e40-407c-951c-10b1d16e5d3c",
"name": "检查是否为文档",
"type": "n8n-nodes-base.if",
"position": [
220,
240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "8839993b-9fe7-4e1e-a1cc-fe5de6b0bb62",
"operator": {
"type": "object",
"operation": "exists",
"singleValue": true
},
"leftValue": "={{ $json.message.document }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2
},
{
"id": "c1edb6bf-ba95-4a5f-9626-add673274086",
"name": "更改为 application/pdf",
"type": "n8n-nodes-base.code",
"position": [
700,
220
],
"parameters": {
"jsCode": "// Função para modificar os metadados do arquivo binário\nfunction modifyBinaryMetadata(items) {\n for (const item of items) {\n if (item.binary && item.binary.data) {\n // Modifica o tipo MIME\n item.binary.data.mimeType = 'application/pdf';\n \n // Garante que o nome do arquivo termine com .pdf\n if (!item.binary.data.fileName.toLowerCase().endsWith('.pdf')) {\n item.binary.data.fileName += '.pdf';\n }\n \n // Atualiza o contentType no fileType (se existir)\n if (item.binary.data.fileType) {\n item.binary.data.fileType.contentType = 'application/pdf';\n }\n }\n }\n return items;\n}\n\n// Aplica a modificação e retorna os itens atualizados\nreturn modifyBinaryMetadata($input.all());"
},
"typeVersion": 2
},
{
"id": "ea4d4e74-8954-47f0-a3a0-662d47ea2298",
"name": "Telegram 获取文件",
"type": "n8n-nodes-base.telegram",
"position": [
520,
220
],
"parameters": {
"fileId": "={{ $json.message.document.file_id }}",
"resource": "file"
},
"credentials": {
"telegramApi": {
"id": "",
"name": ""
}
},
"typeVersion": 1.2
},
{
"id": "cf548bee-d5d5-4f1a-a059-932ea163e155",
"name": "嵌入",
"type": "@n8n/n8n-nodes-langchain.embeddingsOpenAi",
"position": [
-100,
1080
],
"parameters": {
"options": {}
},
"credentials": {
"openAiApi": {
"id": "",
"name": ""
}
},
"typeVersion": 1
},
{
"id": "e3bd4759-80cc-42bb-ba53-f9e88e9ba916",
"name": "Telegram 响应",
"type": "n8n-nodes-base.telegram",
"onError": "continueErrorOutput",
"position": [
160,
560
],
"parameters": {
"text": "={{ $json.response.text }}",
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "",
"name": ""
}
},
"typeVersion": 1.2
},
{
"id": "e478df48-9e6d-4a84-89be-beb569914ae3",
"name": "关于数据库的 Telegram 响应",
"type": "n8n-nodes-base.telegram",
"onError": "continueErrorOutput",
"position": [
1400,
220
],
"parameters": {
"text": "={{ $json.metadata.pdf.totalPages }} pages saved on Pinecone",
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"additionalFields": {
"appendAttribution": false
}
},
"credentials": {
"telegramApi": {
"id": "",
"name": ""
}
},
"typeVersion": 1.2
},
{
"id": "5be7a321-1be6-4173-83de-3d569666718d",
"name": "停止和错误1",
"type": "n8n-nodes-base.stopAndError",
"position": [
1400,
580
],
"parameters": {
"errorMessage": "An error occurred."
},
"typeVersion": 1
},
{
"id": "aae26861-f34d-4b59-bd99-3662fbd6676c",
"name": "Pinecone 向量存储",
"type": "@n8n/n8n-nodes-langchain.vectorStorePinecone",
"position": [
880,
220
],
"parameters": {
"mode": "insert",
"options": {},
"pineconeIndex": {
"__rl": true,
"mode": "list",
"value": "telegram",
"cachedResultName": "telegram"
}
},
"credentials": {
"pineconeApi": {
"id": "",
"name": ""
}
},
"typeVersion": 1
},
{
"id": "312fb807-4225-4630-ab32-aa12fe07c127",
"name": "限制为 1",
"type": "n8n-nodes-base.limit",
"position": [
1220,
220
],
"parameters": {},
"typeVersion": 1
}
],
"active": true,
"pinData": {},
"settings": {
"timezone": "America/Sao_Paulo",
"callerPolicy": "workflowsFromSameOwner",
"executionOrder": "v1",
"saveManualExecutions": true
},
"versionId": "03612d23-6630-4ec6-8738-1dae593c8d23",
"connections": {
"Embeddings": {
"ai_embedding": [
[
{
"node": "Pinecone Vector Store1",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Limit to 1": {
"main": [
[
{
"node": "Telegram Response about Database",
"type": "main",
"index": 0
}
]
]
},
"Groq Chat Model": {
"ai_languageModel": [
[
{
"node": "Question and Answer Chain",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Telegram Trigger": {
"main": [
[
{
"node": "Check If is a document",
"type": "main",
"index": 0
}
]
]
},
"Embeddings OpenAI": {
"ai_embedding": [
[
{
"node": "Pinecone Vector Store",
"type": "ai_embedding",
"index": 0
}
]
]
},
"Telegram Response": {
"main": [
[],
[
{
"node": "Stop and Error",
"type": "main",
"index": 0
}
]
]
},
"Telegram get File": {
"main": [
[
{
"node": "Change to application/pdf",
"type": "main",
"index": 0
}
]
]
},
"Default Data Loader": {
"ai_document": [
[
{
"node": "Pinecone Vector Store",
"type": "ai_document",
"index": 0
}
]
]
},
"Pinecone Vector Store": {
"main": [
[
{
"node": "Limit to 1",
"type": "main",
"index": 0
}
]
]
},
"Check If is a document": {
"main": [
[
{
"node": "Telegram get File",
"type": "main",
"index": 0
}
],
[
{
"node": "Question and Answer Chain",
"type": "main",
"index": 0
}
]
]
},
"Pinecone Vector Store1": {
"ai_vectorStore": [
[
{
"node": "Vector Store Retriever",
"type": "ai_vectorStore",
"index": 0
}
]
]
},
"Vector Store Retriever": {
"ai_retriever": [
[
{
"node": "Question and Answer Chain",
"type": "ai_retriever",
"index": 0
}
]
]
},
"Change to application/pdf": {
"main": [
[
{
"node": "Pinecone Vector Store",
"type": "main",
"index": 0
}
]
]
},
"Question and Answer Chain": {
"main": [
[
{
"node": "Telegram Response",
"type": "main",
"index": 0
}
]
]
},
"Telegram Response about Database": {
"main": [
[],
[
{
"node": "Stop and Error1",
"type": "main",
"index": 0
}
]
]
},
"Recursive Character Text Splitter": {
"ai_textSplitter": [
[
{
"node": "Default Data Loader",
"type": "ai_textSplitter",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
高级 - 人工智能
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
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