Registrar el nutricional de las comidas desde Telegram en Google Sheets mediante un agente de IA

• •Bot Token de Telegram
• •Credenciales de API de Google Sheets
• •Clave de API de OpenAI

{
  "nodes": [
    {
      "id": "cab4467e-449e-4823-abe5-eb0368883e9c",
      "name": "Cuando se recibe un mensaje en el chat",
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "position": [
        740,
        180
      ],
      "webhookId": "231e8ee3-320f-47c7-8368-03965732d709",
      "parameters": {
        "options": {}
      },
      "typeVersion": 1.1
    },
    {
      "id": "a32a646b-80f2-46a4-81c2-7e3b5a4a192c",
      "name": "OpenAI Chat Model",
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "position": [
        940,
        140
      ],
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4o-mini"
        },
        "options": {
          "temperature": 0
        }
      },
      "credentials": {
        "openAiApi": {
          "id": "1IOLtYX7aTspCAN8",
          "name": "OpenAI Pollup"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "3d934326-ad89-477f-9ab6-b97c04960597",
      "name": "Structured Output Parser",
      "type": "@n8n/n8n-nodes-langchain.outputParserStructured",
      "position": [
        1160,
        140
      ],
      "parameters": {
        "jsonSchemaExample": "\n[{\"name\": \"total Protein\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total lipids\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total carbohydrats\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total potassium\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total magnesium\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total sodium\",\n  \"quantity\": 86,\n  \"unit\": \"gr\"\n},\n  {\"name\": \"total kcal\",\n  \"quantity\": 248,\n  \"unit\": \"kcal\"\n},\n  {\n    \"reasoning\": \"this is my reasoning\"\n  }\n]"
      },
      "typeVersion": 1.2
    },
    {
      "id": "5a086fb6-6f12-40b6-aa82-64bb2d76b730",
      "name": "Obtener archivo de audio",
      "type": "n8n-nodes-base.telegram",
      "position": [
        300,
        -280
      ],
      "webhookId": "36dfe00d-6f05-419a-a80a-f6c7321e9a7d",
      "parameters": {
        "fileId": "={{ $json.message.voice.file_id }}",
        "resource": "file"
      },
      "credentials": {
        "telegramApi": {
          "id": "ynY4cqTMvfHfi0bc",
          "name": "Mes repas bot"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "f72d4182-26e2-4026-8097-7e4cef50bfed",
      "name": "Transcribir grabación",
      "type": "@n8n/n8n-nodes-langchain.openAi",
      "position": [
        520,
        -280
      ],
      "parameters": {
        "options": {},
        "resource": "audio",
        "operation": "transcribe",
        "binaryPropertyName": "=data"
      },
      "credentials": {
        "openAiApi": {
          "id": "1IOLtYX7aTspCAN8",
          "name": "OpenAI Pollup"
        }
      },
      "typeVersion": 1.6
    },
    {
      "id": "0f3b227f-b15a-410c-9333-a40c3e1b95ee",
      "name": "Limit",
      "type": "n8n-nodes-base.limit",
      "position": [
        1996,
        -80
      ],
      "parameters": {},
      "typeVersion": 1
    },
    {
      "id": "fddaae3c-d7e6-4cb4-bb23-f734dcbefb85",
      "name": "Recibir mensaje Telegram",
      "type": "n8n-nodes-base.telegramTrigger",
      "position": [
        -140,
        -180
      ],
      "webhookId": "34756bf0-27bd-4384-9e46-549473c307a0",
      "parameters": {
        "updates": [
          "message",
          "channel_post"
        ],
        "additionalFields": {}
      },
      "credentials": {
        "telegramApi": {
          "id": "ynY4cqTMvfHfi0bc",
          "name": "Mes repas bot"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "9c6c00ca-e6f6-4f0b-b120-2249978379aa",
      "name": "Si es un mensaje de voz",
      "type": "n8n-nodes-base.if",
      "position": [
        80,
        -180
      ],
      "parameters": {
        "options": {},
        "conditions": {
          "options": {
            "version": 2,
            "leftValue": "",
            "caseSensitive": true,
            "typeValidation": "strict"
          },
          "combinator": "and",
          "conditions": [
            {
              "id": "fb7a6885-6149-4666-bd3a-5eebde28d601",
              "operator": {
                "type": "object",
                "operation": "exists",
                "singleValue": true
              },
              "leftValue": "={{ $json.message.voice }}",
              "rightValue": ""
            }
          ]
        }
      },
      "typeVersion": 2.2
    },
    {
      "id": "97e56ec8-3a71-4e0d-a626-07a5113b09b7",
      "name": "Establecer chatInput desde mensaje",
      "type": "n8n-nodes-base.set",
      "position": [
        740,
        -80
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "3af0daa0-795f-45e8-ae10-fca10950b855",
              "name": "chatInput",
              "type": "string",
              "value": "={{ $json.message.text }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "e1609f06-f769-4dfe-98e4-a56e95217307",
      "name": "Establecer chatInput desde voz",
      "type": "n8n-nodes-base.set",
      "position": [
        740,
        -280
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "3af0daa0-795f-45e8-ae10-fca10950b855",
              "name": "chatInput",
              "type": "string",
              "value": "={{ $json.text }}"
            }
          ]
        }
      },
      "typeVersion": 3.4
    },
    {
      "id": "42acb130-91f7-4d94-8b6b-c6b6b79f59f9",
      "name": "Lista de ingredientes y nutrientes",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "position": [
        960,
        -80
      ],
      "parameters": {
        "text": "=\n*\"Approximate the kcals, protein, carbohydrates, lipids (fats), and electrolyte (sodium, potassium, magnesium, Zinc and Iron) content in the following dietary intake statement:  \n\n{{ $json.chatInput }}\n\nProvide estimates for each component based on typical nutritional values. Break down the contributions from each food item (steak, salad, vinaigrette) and give a total number for each nutrient.  \n\nGive the total result as a json, with as name, the name of the nutrient, as quantity, the total summed value, and as unit the unit that been chosen (gr, mg).\nPut the reasoning in another variable called \"reasonning\"\n",
        "options": {
          "systemMessage": "You are a nutrition expert."
        },
        "promptType": "define",
        "hasOutputParser": true
      },
      "typeVersion": 1.8
    },
    {
      "id": "b27195f2-cb45-45d8-ab87-60e76828f7c4",
      "name": "Explotar la lista",
      "type": "n8n-nodes-base.splitOut",
      "position": [
        1336,
        -80
      ],
      "parameters": {
        "include": "={{ $json.output }}",
        "options": {},
        "fieldToSplitOut": "output"
      },
      "typeVersion": 1
    },
    {
      "id": "cf95c6a1-8ed4-45ee-90d0-fe87300c2968",
      "name": "Agregar fecha",
      "type": "n8n-nodes-base.code",
      "position": [
        1556,
        -80
      ],
      "parameters": {
        "mode": "runOnceForEachItem",
        "jsCode": "let entry = $input.item.json.output\nlet my_date = new Date()\n\nlet my_date_f = (my_date.getTime() / 86400000) + 25569;\nentry.my_date = my_date_f\nreturn {json: entry}"
      },
      "typeVersion": 2
    },
    {
      "id": "a0fd85ad-5cce-4419-af80-a6ff50a93631",
      "name": "Almacenar en hoja",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1776,
        -80
      ],
      "parameters": {
        "columns": {
          "value": {},
          "schema": [
            {
              "id": "name",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "name",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "quantity",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "quantity",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "unit",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "unit",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "my_date",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "my_date",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "autoMapInputData",
          "matchingColumns": [],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "append",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1HdL1iwHvIhN44yW_HzRbjC--ZxItCfyX-wObjWzZHAc/edit#gid=0",
          "cachedResultName": "Sheet1"
        },
        "documentId": {
          "__rl": true,
          "mode": "list",
          "value": "1HdL1iwHvIhN44yW_HzRbjC--ZxItCfyX-wObjWzZHAc",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1HdL1iwHvIhN44yW_HzRbjC--ZxItCfyX-wObjWzZHAc/edit?usp=drivesdk",
          "cachedResultName": "Mes repas"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "gdLmm513ROUyH6oU",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5
    },
    {
      "id": "06ee2513-0622-450b-b195-84cdef13cd27",
      "name": "Nota adhesiva",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -200,
        -380
      ],
      "parameters": {
        "color": 4,
        "height": 340,
        "content": "## Send a Telegram message\n1. To your channel with the list of what you ate during your last meal. \nYour input can be a written or a voice message."
      },
      "typeVersion": 1
    },
    {
      "id": "fc4a2f5b-5565-4644-bd9f-74da73818698",
      "name": "Nota adhesiva1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -680,
        -380
      ],
      "parameters": {
        "color": 5,
        "width": 460,
        "content": "## Setup\n1. Create a telegram Bot by following the instructions [here](https://docs.n8n.io/integrations/builtin/credentials/telegram/).\n2. Create an empty Google sheet and set it in \"Store in sheet\" along with your credentials\n3. Set your creadential for your OpenAI account\n"
      },
      "typeVersion": 1
    },
    {
      "id": "9e4e2ead-0c19-4799-8004-adaf30a5e0b1",
      "name": "Nota adhesiva2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        1700,
        -220
      ],
      "parameters": {
        "color": 4,
        "height": 320,
        "content": "## Check your data\n- to see if it seems correct \n- you can filter and sum your nutrients to check if you had enough! "
      },
      "typeVersion": 1
    },
    {
      "id": "e57b8eef-d72d-46b2-ae1b-5d61a2c22d01",
      "name": "Nota adhesiva3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        260,
        -380
      ],
      "parameters": {
        "color": 4,
        "width": 640,
        "height": 260,
        "content": "## If it's an Audio file\nTRanscript it using openAI "
      },
      "typeVersion": 1
    },
    {
      "id": "9bd1447e-bcde-4b4c-92c9-76120c9a42d2",
      "name": "Nota adhesiva4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        560,
        80
      ],
      "parameters": {
        "color": 4,
        "width": 340,
        "height": 260,
        "content": "## Testing\nYou can chat with the workflow by clicking on \"open chat\" to test your input and the response"
      },
      "typeVersion": 1
    },
    {
      "id": "ac3a7c88-782a-4943-a332-2509287df840",
      "name": "Nota adhesiva5",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        920,
        -220
      ],
      "parameters": {
        "color": 4,
        "width": 340,
        "height": 320,
        "content": "## Personalize the prompt!!\n- It's a very simple one, you can of course make it better!"
      },
      "typeVersion": 1
    },
    {
      "id": "58642d48-d97e-4a3d-84ea-a4de580e4c25",
      "name": "Nota adhesiva6",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        2140,
        -220
      ],
      "parameters": {
        "color": 4,
        "height": 320,
        "content": "## Personalize the response message\nYou can send the response of the Agent\nOr just be more polite! "
      },
      "typeVersion": 1
    },
    {
      "id": "c6b8206c-bcb0-4034-8f99-9a4165770709",
      "name": "Responder mensaje",
      "type": "n8n-nodes-base.telegram",
      "position": [
        2216,
        -80
      ],
      "webhookId": "8e646f8a-1f21-4719-b5f2-0cc5fad144df",
      "parameters": {
        "text": "Your meal has been saved",
        "chatId": "={{ $('If it's a voice message').item.json.message.chat.id }}",
        "additionalFields": {
          "appendAttribution": false
        }
      },
      "credentials": {
        "telegramApi": {
          "id": "ynY4cqTMvfHfi0bc",
          "name": "Mes repas bot"
        }
      },
      "typeVersion": 1.2
    },
    {
      "id": "414d1da4-94e0-454d-acf9-a8344d1168b4",
      "name": "Nota adhesiva7",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -680,
        -200
      ],
      "parameters": {
        "width": 460,
        "height": 260,
        "content": "## Contact me\n- If you need any modification to this workflow\n- if you need some help with this workflow\n- Or if you need any workflow in n8n, Make, or Langchain / Langgraph\n\nWrite to me: [thomas@pollup.net](mailto:thomas@pollup.net)\n\nThis a light version of My Meals. I have a working \"Pro\" version with searches in the USDA database for each ingredients that return ALL the Nutrients.\n"
      },
      "typeVersion": 1
    }
  ],
  "connections": {
    "0f3b227f-b15a-410c-9333-a40c3e1b95ee": {
      "main": [
        [
          {
            "node": "c6b8206c-bcb0-4034-8f99-9a4165770709",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "cf95c6a1-8ed4-45ee-90d0-fe87300c2968": {
      "main": [
        [
          {
            "node": "a0fd85ad-5cce-4419-af80-a6ff50a93631",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "5a086fb6-6f12-40b6-aa82-64bb2d76b730": {
      "main": [
        [
          {
            "node": "f72d4182-26e2-4026-8097-7e4cef50bfed",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "a0fd85ad-5cce-4419-af80-a6ff50a93631": {
      "main": [
        [
          {
            "node": "0f3b227f-b15a-410c-9333-a40c3e1b95ee",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "b27195f2-cb45-45d8-ab87-60e76828f7c4": {
      "main": [
        [
          {
            "node": "cf95c6a1-8ed4-45ee-90d0-fe87300c2968",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "a32a646b-80f2-46a4-81c2-7e3b5a4a192c": {
      "ai_languageModel": [
        [
          {
            "node": "42acb130-91f7-4d94-8b6b-c6b6b79f59f9",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "f72d4182-26e2-4026-8097-7e4cef50bfed": {
      "main": [
        [
          {
            "node": "e1609f06-f769-4dfe-98e4-a56e95217307",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "9c6c00ca-e6f6-4f0b-b120-2249978379aa": {
      "main": [
        [
          {
            "node": "5a086fb6-6f12-40b6-aa82-64bb2d76b730",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "97e56ec8-3a71-4e0d-a626-07a5113b09b7",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "fddaae3c-d7e6-4cb4-bb23-f734dcbefb85": {
      "main": [
        [
          {
            "node": "9c6c00ca-e6f6-4f0b-b120-2249978379aa",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "e1609f06-f769-4dfe-98e4-a56e95217307": {
      "main": [
        [
          {
            "node": "42acb130-91f7-4d94-8b6b-c6b6b79f59f9",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "3d934326-ad89-477f-9ab6-b97c04960597": {
      "ai_outputParser": [
        [
          {
            "node": "42acb130-91f7-4d94-8b6b-c6b6b79f59f9",
            "type": "ai_outputParser",
            "index": 0
          }
        ]
      ]
    },
    "97e56ec8-3a71-4e0d-a626-07a5113b09b7": {
      "main": [
        [
          {
            "node": "42acb130-91f7-4d94-8b6b-c6b6b79f59f9",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "cab4467e-449e-4823-abe5-eb0368883e9c": {
      "main": [
        [
          {
            "node": "42acb130-91f7-4d94-8b6b-c6b6b79f59f9",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "42acb130-91f7-4d94-8b6b-c6b6b79f59f9": {
      "main": [
        [
          {
            "node": "b27195f2-cb45-45d8-ab87-60e76828f7c4",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}