{
  "name": "Analyze the sentiment of feedback and send a message on Mattermost",
  "nodes": [
    {
      "name": "Typeform Trigger",
      "type": "n8n-nodes-base.typeformTrigger",
      "position": [
        510,
        260
      ],
      "parameters": {
        "formId": "YOUR_TYPEFORM_FORM_ID",
        "simplifyAnswers": false,
        "onlyAnswers": false
      },
      "typeVersion": 1,
      "id": "negative-feedback-alert-source-0"
    },
    {
      "name": "Google Cloud Natural Language",
      "type": "n8n-nodes-base.googleCloudNaturalLanguage",
      "position": [
        710,
        260
      ],
      "parameters": {
        "resource": "document",
        "operation": "analyzeSentiment",
        "source": "content",
        "content": "={{ $json.feedback }}",
        "options": {
          "documentType": "PLAIN_TEXT",
          "encodingType": "UTF16"
        }
      },
      "typeVersion": 1,
      "id": "negative-feedback-alert-source-1"
    },
    {
      "name": "IF",
      "type": "n8n-nodes-base.if",
      "position": [
        910,
        260
      ],
      "parameters": {
        "conditions": {
          "number": [
            {
              "value1": "={{ $('Validate Sentiment Score').first().json.score }}",
              "operation": "smaller",
              "value2": 0
            }
          ]
        },
        "combineOperation": "all"
      },
      "typeVersion": 1,
      "id": "negative-feedback-alert-source-2"
    },
    {
      "name": "Mattermost",
      "type": "n8n-nodes-base.mattermost",
      "position": [
        1110,
        160
      ],
      "parameters": {
        "resource": "message",
        "operation": "post",
        "channelId": "YOUR_MATTERMOST_CHANNEL_ID",
        "message": "={{ $('Prepare Feedback Destinations').first().json.message }}",
        "attachments": [],
        "otherOptions": {}
      },
      "typeVersion": 1,
      "id": "negative-feedback-alert-source-3"
    },
    {
      "name": "NoOp",
      "type": "n8n-nodes-base.noOp",
      "position": [
        1110,
        360
      ],
      "parameters": {},
      "typeVersion": 1,
      "id": "negative-feedback-alert-source-4"
    },
    {
      "id": "read-feedback-answers",
      "name": "Read Feedback Answers",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        100,
        0
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const prepare = function prepareFeedback(inputs) {\n  const root = inputs.response;\n  const response = root?.form_response ?? root;\n  if (!response || typeof response !== 'object' || Array.isArray(response)) throw new Error('Expected a completed Typeform response.');\n  if (!Array.isArray(response.answers) || !Array.isArray(response.definition?.fields)) throw new Error('The Typeform response must include answer and field definitions.');\n  const requiredTitles = [inputs.feedbackTitle, inputs.nameTitle].filter(Boolean);\n  const fields = new Map();\n  for (const field of response.definition.fields) {\n    if (typeof field?.id !== 'string' || typeof field.title !== 'string') continue;\n    const title = field.title.trim();\n    if (!requiredTitles.includes(title)) continue;\n    if (fields.has(title)) throw new Error('Required Typeform question titles must be unique: ' + title);\n    fields.set(title, field.id);\n  }\n  const readText = (title) => {\n    const id = fields.get(title);\n    if (!id) throw new Error('Missing Typeform question: ' + title);\n    const answers = response.answers.filter((answer) => answer?.field?.id === id);\n    if (answers.length !== 1 || answers[0].type !== 'text' || typeof answers[0].text !== 'string' || !answers[0].text.trim()) throw new Error('Expected one nonempty text answer for: ' + title);\n    return answers[0].text;\n  };\n  const feedback = readText(inputs.feedbackTitle);\n  const name = inputs.nameTitle ? readText(inputs.nameTitle) : '';\n  return { feedback, name, request: { document: { type: 'PLAIN_TEXT', content: feedback }, encodingType: 'UTF16' } };\n}\n\nreturn [{json:prepare({response:$input.first().json,feedbackTitle:\"What did you think about the event?\",nameTitle:\"\"}),pairedItem:{item:0}}];\n"
      }
    },
    {
      "id": "validate-feedback-score",
      "name": "Validate Sentiment Score",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        500,
        0
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const validate = function readSentiment(inputs) {\n  const body = inputs.body;\n  const score = body?.documentSentiment?.score;\n  if (!body || typeof body !== 'object' || Array.isArray(body) || body.error || typeof score !== 'number' || !Number.isFinite(score) || score < -1 || score > 1) throw new Error('The sentiment service did not return a valid document score.');\n  return { score };\n}\n\nreturn [{json:validate({body:$input.first().json}),pairedItem:{item:0}}];\n"
      }
    },
    {
      "id": "prepare-feedback-destinations",
      "name": "Prepare Feedback Destinations",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        700,
        0
      ],
      "parameters": {
        "mode": "runOnceForAllItems",
        "jsCode": "const format = function prepareDestinations(inputs) {\n  const { feedback, name, score } = inputs;\n  if (typeof feedback !== 'string' || typeof name !== 'string' || typeof score !== 'number' || !Number.isFinite(score)) throw new Error('Expected feedback, name, and a sentiment score.');\n  return {\n    message: `You got a new feedback with a score of ${score}. Here is what it says:${feedback}`,\n    properties: { Name: { title: [{ text: { content: name } }] }, Feedback: { rich_text: [{ text: { content: feedback } }] } },\n    attachments: [{ text: feedback, title: `${name} ${score}` }],\n    cardName: `Score: ${score}`,\n    cardDescription: `Score: ${score}\\nFeedback: ${feedback}\\nUser: ${name}`,\n  };\n}\n\nreturn [{json:format({...$('Read Feedback Answers').first().json,score:$input.first().json.score}),pairedItem:{item:0}}];\n"
      }
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "connections": {
    "IF": {
      "main": [
        [
          {
            "node": "Mattermost",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "NoOp",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Typeform Trigger": {
      "main": [
        [
          {
            "node": "Read Feedback Answers",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Google Cloud Natural Language": {
      "main": [
        [
          {
            "node": "Validate Sentiment Score",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Read Feedback Answers": {
      "main": [
        [
          {
            "node": "Google Cloud Natural Language",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Validate Sentiment Score": {
      "main": [
        [
          {
            "node": "Prepare Feedback Destinations",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Prepare Feedback Destinations": {
      "main": [
        [
          {
            "node": "IF",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "pinData": {}
}