txt2html

{
  "nodes": [
    {
      "parameters": {
        "public": true,
        "initialMessages": "Please upload a TXT file, and the bot will generate an HTML version of the file.",
        "options": {
          "allowFileUploads": true,
          "allowedFilesMimeTypes": "txt",
          "responseMode": "lastNode",
          "showWelcomeScreen": false
        }
      },
      "id": "aa5f3deb-1da8-4b19-8ba5-5edf359c7732",
      "name": "When chat message received",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "typeVersion": 1.1,
      "position": [
        -200,
        40
      ],
      "webhookId": "a7342398-9e87-4e4e-8b11-396a05a06c5b"
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "11a4b1e5-2065-4bfd-ba7c-12def5c65116",
              "name": "sessionId",
              "value": "={{ $('When chat message received').first().json.sessionId }}",
              "type": "string"
            },
            {
              "id": "43953933-fc55-46c0-8376-cfc357789dbb",
              "name": "action",
              "value": "={{ $('When chat message received').first().json.action }}",
              "type": "string"
            },
            {
              "id": "9869788e-1743-41dc-ad6d-b48a80fa86af",
              "name": "chatInput",
              "value": "={{ $('When chat message received').first().json.chatInput }}",
              "type": "string"
            },
            {
              "id": "d2834c08-396e-4735-a919-05a46109c311",
              "name": "files",
              "value": "={{ $json.files }}",
              "type": "array"
            }
          ]
        },
        "options": {}
      },
      "id": "a3094b72-6c9f-4ae3-a79e-f864fced2c46",
      "name": "Set Fields",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        500,
        20
      ]
    },
    {
      "parameters": {},
      "id": "85daf9c3-ccf7-4634-8897-688a7bd9dd9a",
      "name": "Execute Workflow Trigger",
      "type": "n8n-nodes-base.executeWorkflowTrigger",
      "typeVersion": 1,
      "position": [
        180,
        420
      ]
    },
    {
      "parameters": {
        "assignments": {
          "assignments": [
            {
              "id": "f1f677cd-31be-4383-adcf-f01eb83899d7",
              "name": "response",
              "value": "={{ $json.fileName }}",
              "type": "string"
            }
          ]
        },
        "options": {}
      },
      "id": "4d7b4a5f-3cf0-4b17-a25a-f8623753aa09",
      "name": "Send Response1",
      "type": "n8n-nodes-base.set",
      "typeVersion": 3.4,
      "position": [
        1000,
        420
      ]
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "=chatInput: {{ $json.chatInput }}\nuploadedFile: {{\n$json.files\n  ? `/home/node/temp/${$json.files[0].fileName}`\n  : ''\n}}",
        "options": {
          "systemMessage": "You are a file conversion assistant and can use the txt2html tool to convert the user's uploaded file into an HTML file.\n\nReply to the user with the final download link for the HTML file."
        }
      },
      "id": "ebb30072-305c-49cc-bbc4-fb2c21dd8c79",
      "name": "AI Agent",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 1.7,
      "position": [
        700,
        20
      ]
    },
    {
      "parameters": {
        "rules": {
          "values": [
            {
              "conditions": {
                "options": {
                  "caseSensitive": true,
                  "leftValue": "",
                  "typeValidation": "strict",
                  "version": 2
                },
                "conditions": [
                  {
                    "leftValue": "={{ $json.files }}",
                    "rightValue": "",
                    "operator": {
                      "type": "array",
                      "operation": "notExists",
                      "singleValue": true
                    }
                  }
                ],
                "combinator": "and"
              },
              "renameOutput": true,
              "outputKey": "without files"
            },
            {
              "conditions": {
                "options": {
                  "caseSensitive": true,
                  "leftValue": "",
                  "typeValidation": "strict",
                  "version": 2
                },
                "conditions": [
                  {
                    "id": "0d67ec0a-1d61-4f6a-97e5-965b0d340ae4",
                    "leftValue": "={{ $json.files }}",
                    "rightValue": "",
                    "operator": {
                      "type": "array",
                      "operation": "exists",
                      "singleValue": true
                    }
                  }
                ],
                "combinator": "and"
              },
              "renameOutput": true,
              "outputKey": "with files"
            }
          ]
        },
        "options": {}
      },
      "id": "6a898fc0-5767-4a28-bba3-7dfe807add96",
      "name": "Has Files?",
      "type": "n8n-nodes-base.switch",
      "typeVersion": 3.2,
      "position": [
        -20,
        40
      ]
    },
    {
      "parameters": {
        "fileSelector": "={{ $json.query.filepath }}",
        "options": {}
      },
      "id": "767e8e71-1126-4f9c-8f57-33cecf42607a",
      "name": "Read File",
      "type": "n8n-nodes-base.readWriteFile",
      "typeVersion": 1,
      "position": [
        400,
        420
      ]
    },
    {
      "parameters": {},
      "id": "acdde5ce-69c4-43a1-becc-3eb4bb42c4f9",
      "name": "Window Buffer Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [
        620,
        280
      ]
    },
    {
      "parameters": {
        "operation": "write",
        "fileName": "={{ `/home/node/temp/${$json.files[0].fileName}` }}",
        "dataPropertyName": "data0",
        "options": {}
      },
      "id": "4c271ad3-92aa-4420-9990-6d0d0f44002d",
      "name": "Read/Write Files from Disk",
      "type": "n8n-nodes-base.readWriteFile",
      "typeVersion": 1,
      "position": [
        220,
        140
      ]
    },
    {
      "parameters": {
        "options": {
          "baseURL": "https://oneapi.6868ai.com/v1"
        }
      },
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1,
      "position": [
        440,
        280
      ],
      "id": "3f727155-1c15-4301-80a9-0ae0b8ba1c77",
      "name": "OpenAI Chat Model",
      "credentials": {
        "openAiApi": {
          "id": "oYt1X4B1EySK0Ho4",
          "name": "OpenAi account"
        }
      }
    },
    {
      "parameters": {
        "operation": "html",
        "options": {}
      },
      "type": "n8n-nodes-base.convertToFile",
      "typeVersion": 1.1,
      "position": [
        620,
        420
      ],
      "id": "13c15c26-0657-4a02-a4a9-7ecf9361b6cc",
      "name": "Convert to File"
    },
    {
      "parameters": {
        "operation": "write",
        "fileName": "={{ $('Execute Workflow Trigger').item.json.query.filepath.replaceAll('.txt', '.html') }}",
        "options": {}
      },
      "type": "n8n-nodes-base.readWriteFile",
      "typeVersion": 1,
      "position": [
        820,
        420
      ],
      "id": "4fe96e16-530a-44b9-b154-8eca49f4c5b2",
      "name": "Read/Write Files from Disk1"
    },
    {
      "parameters": {
        "name": "txt2pdf",
        "description": "Use this tool to convert the TXT file at the specified path to an HTML file",
        "workflowId": {
          "__rl": true,
          "value": "={{ $workflow.id }}",
          "mode": "id"
        },
        "fields": {
          "values": [
            {
              "name": "filePath",
              "stringValue": "={{ $fromAI(\"filepath\", \".txt file path\", \"\") }}"
            }
          ]
        },
        "specifyInputSchema": true,
        "schemaType": "manual",
        "inputSchema": "{\n\"type\": \"object\",\n\"properties\": {\n\t\"filepath\": { \"type\": \"string\" }\n  }\n}"
      },
      "id": "4daf5aca-46b2-44cd-b16f-31556a1725df",
      "name": "txt2html",
      "type": "@n8n/n8n-nodes-langchain.toolWorkflow",
      "typeVersion": 1.2,
      "position": [
        780,
        280
      ]
    }
  ],
  "connections": {
    "When chat message received": {
      "main": [
        [
          {
            "node": "Has Files?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Set Fields": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Execute Workflow Trigger": {
      "main": [
        [
          {
            "node": "Read File",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "AI Agent": {
      "main": [
        []
      ]
    },
    "Has Files?": {
      "main": [
        [
          {
            "node": "Set Fields",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Read/Write Files from Disk",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read File": {
      "main": [
        [
          {
            "node": "Convert to File",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    },
    "Window Buffer Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Read/Write Files from Disk": {
      "main": [
        [
          {
            "node": "Set Fields",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Convert to File": {
      "main": [
        [
          {
            "node": "Read/Write Files from Disk1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read/Write Files from Disk1": {
      "main": [
        [
          {
            "node": "Send Response1",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "txt2html": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    }
  },
  "pinData": {
    "Execute Workflow Trigger": [
      {
        "query": {
          "filepath": "/home/node/temp/hello.txt"
        }
      }
    ]
  }
}