Tutor De Lengua (con Anonimización)

The workflow JSON

Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →

{
  "name": "Tutor de Lengua (con Anonimizaci\u00f3n)",
  "nodes": [
    {
      "parameters": {
        "path": "tutor-language",
        "httpMethod": "POST"
      },
      "name": "Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        250,
        700
      ]
    },
    {
      "parameters": {
        "url": "={{'http://backend:8000/api/students/' + $json.body.student_id}}",
        "options": {}
      },
      "name": "Obtener Datos Estudiante",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 2,
      "position": [
        450,
        700
      ]
    },
    {
      "parameters": {
        "url": "={{'http://backend:8000/api/conversations/' + $json.body.student_id}}",
        "options": {
          "ignoreStatusCodes": [
            404
          ]
        }
      },
      "name": "Obtener Historial",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 2,
      "position": [
        650,
        700
      ]
    },
    {
      "parameters": {
        "javascriptCode": "const student = $getNode('Obtener Datos Estudiante').json;\nconst history = $getNode('Obtener Historial').json[0] ? $getNode('Obtener Historial').json[0].messages : [];\nconst newMessage = { role: 'user', content: $json.body.message };\n\nconst studentName = `${student.first_name} ${student.last_name}`;\nconst placeholder = '[ESTUDIANTE]';\n\nconst anonymize = (text) => text.replace(new RegExp(studentName, 'gi'), placeholder);\n\nconst anonymizedHistory = history.map(msg => ({ ...msg, content: anonymize(msg.content) }));\nconst anonymizedNewMessage = { ...newMessage, content: anonymize(newMessage.content) };\n\nreturn {\n  anonymizedHistory,\n  anonymizedNewMessage,\n  studentName,\n  placeholder\n};"
      },
      "name": "Anonimizar Conversaci\u00f3n",
      "type": "n8n-nodes-base.code",
      "typeVersion": 1,
      "position": [
        850,
        700
      ]
    },
    {
      "parameters": {
        "model": "gpt-4-turbo",
        "messages": {
          "json": "={{[{ 'role': 'system', 'content': 'Eres un tutor de Lengua y Literatura amigable... Tu placeholder para el nombre del estudiante es [ESTUDIANTE].' }, ...$node['Anonimizar Conversaci\u00f3n'].json.anonymizedHistory, $node['Anonimizar Conversaci\u00f3n'].json.anonymizedNewMessage]}}"
        }
      },
      "name": "OpenAI Chat",
      "type": "n8n-nodes-base.openAiChat",
      "typeVersion": 1,
      "position": [
        1050,
        700
      ],
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "javascriptCode": "const assistantResponse = $getNode('OpenAI Chat').json.choices[0].message.content;\nconst { studentName, placeholder } = $getNode('Anonimizar Conversaci\u00f3n').json;\n\nconst deanonymizedResponse = assistantResponse.replace(new RegExp(placeholder.replace(/[\\[\\]]/g, '\\\\$&'), 'gi'), studentName);\n\nreturn {\n  role: 'assistant',\n  content: deanonymizedResponse\n};"
      },
      "name": "De-anonimizar Respuesta",
      "type": "n8n-nodes-base.code",
      "typeVersion": 1,
      "position": [
        1250,
        700
      ]
    },
    {
      "parameters": {
        "url": "={{$node['Obtener Historial'].json[0] ? 'http://backend:8000/api/conversations/' + $node['Obtener Historial'].json[0].id : 'http://backend:8000/api/conversations/'}}",
        "method": "={{$node['Obtener Historial'].json[0] ? 'PUT' : 'POST'}}",
        "bodyParameters": {
          "json": "={{$node['Obtener Historial'].json[0] ? [ ...$node['Obtener Historial'].json[0].messages, { role: 'user', content: $json.body.message }, $node['De-anonimizar Respuesta'].json ] : { 'student_id': $json.body.student_id, 'tutor_type': 'Lengua', 'messages': [ { role: 'user', content: $json.body.message }, $node['De-anonimizar Respuesta'].json ] } }}"
        },
        "options": {}
      },
      "name": "Guardar Conversaci\u00f3n",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 2,
      "position": [
        1450,
        700
      ]
    },
    {
      "parameters": {
        "body": "={{$node['De-anonimizar Respuesta'].json.content}}",
        "options": {}
      },
      "name": "Responder al Webhook",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        1650,
        700
      ]
    }
  ],
  "connections": {
    "Webhook": {
      "main": [
        [
          {
            "node": "Obtener Datos Estudiante",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Obtener Datos Estudiante": {
      "main": [
        [
          {
            "node": "Obtener Historial",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Obtener Historial": {
      "main": [
        [
          {
            "node": "Anonimizar Conversaci\u00f3n",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Anonimizar Conversaci\u00f3n": {
      "main": [
        [
          {
            "node": "OpenAI Chat",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat": {
      "main": [
        [
          {
            "node": "De-anonimizar Respuesta",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "De-anonimizar Respuesta": {
      "main": [
        [
          {
            "node": "Guardar Conversaci\u00f3n",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Guardar Conversaci\u00f3n": {
      "main": [
        [
          {
            "node": "Responder al Webhook",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": true,
  "settings": {},
  "id": "3"
}

Credentials you'll need

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• openAiApi

About this workflow

Tutor de Lengua (con Anonimización). Uses httpRequest, openAiChat. Webhook trigger; 8 nodes.

Source: https://github.com/dretureta/POC_Tutor_Virtual/blob/9afb8d480df5b0b8b143329cfde5838e495f13dc/n8n-workflows/tutor-lengua.json — original creator credit. Request a take-down →

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