app.js

@@ -10,19 +10,22 @@ const morgan = require('morgan')
 // const fileUpload = require('express-fileupload')
 
 const rateLimiter = require('express-rate-limit')
+const helmet = require('helmet')
+const xss = require('xss-clean')
+const cors = require('cors')
 
 // Swagger
 const swaggerUI = require('swagger-ui-express')
 const YAML = require('yamljs')
 const swaggerDocument = YAML.load('./swagger.yaml')
 
-const helmet = require('helmet')
+// database
-const xss = require('xss-clean')
+const connectDB = require('./db/connect')
-const cors = require('cors')  
 
 // routers  
 const nlRouter = require('./routes/naturalLanguageRoute')
 
+
 const notFoundMiddlware = require('./middleware/not-found')
 const errorHandlerMiddleware = require('./middleware/error-handler')
 
@@ -41,8 +44,10 @@ app.use(xss())
 app.use(morgan('tiny'))
 app.use(express.json())
 
+// app.use(express.static('./public'))
 // app.use(fileUpload())
 
+
 app.get('/', (req, res) => {
     res.send('<h1>Sentiment API</h1><a href="/api-docs">Documentation</a>')
 })

controllers/naturalLanguageController.js

@@ -1,16 +1,8 @@
 const { StatusCodes } = require("http-status-codes")
-const { sentiment, convertTextToSpeech, listVoice, convertAudioToLinear16, getAudioDuration } = require("../utils")
+const { sentiment, convertTextToSpeech, listVoice } = require("../utils")
 const language = require('@google-cloud/language').v2
 const CustomError = require('../errors')
 const voiceConfigList = require('../mockData/voice.json') 
-const languageCodes = require('../mockData/languageCodes.json')
-const path = require('path')
-const fs = require('fs')
-const speech = require('@google-cloud/speech')
-const { speechToText, speechToTextJob } = require('../utils')
-const client = new speech.SpeechClient()
-const protobuf = require('protobufjs')
-
 
 const getSentiment = async (req, res) => {
 
@@ -56,7 +48,9 @@ const getAudioFromText = async (req, res) => {
    
     // Set the Content-Disposition header 
     // res.set("Content-Disposition", `attachment; filename="${filename}"`); 
-    res.set("Content-Disposition", `inline; filename="${filename}"`)
+    res.set("Content-Disposition", `inline; filename="${filename}"`);
+
+
 
     res.contentType('audio/mpeg')
 
@@ -64,134 +58,6 @@ const getAudioFromText = async (req, res) => {
 
 }
 
-const getTextFromAudio = async (req, res) => {
-
-    const { languageCode } = req.body
-
-    const audio = req.file
-
-    if (!audio)
-        throw new CustomError.BadRequestError(`Missing the audio file`)
-
-    if (languageCode) {
-        const existLanguageCode = languageCodes.find(l => l.languageCode == languageCode)
-
-        if (!existLanguageCode) {
-            fs.unlinkSync(audio.path)
-            throw new CustomError.BadRequestError(`Invalid language code`)
-        }
-
-    }
-    const inputFile = path.resolve(audio.path)
-
-    const fileName = path.basename(inputFile, path.extname(inputFile))
-
-    const outputFile = path.join(__dirname, '..', 'public', 'uploads', `${fileName}.wav`)
-
-    const filePath = await convertAudioToLinear16(inputFile, outputFile)
-
-    fs.unlinkSync(inputFile)
-
-    const obj = await speechToText(filePath, languageCode)
-
-    fs.unlinkSync(filePath)
-
-    if (obj?.transcription) return res.status(StatusCodes.OK).json({ transcription: obj.transcription })
-
-    res.status(obj.status).json({ msg: obj.msg })
-
-}
-
-const uploadAudioToTranscript = async (req, res) => {
-
-    const { languageCode } = req.body
-
-    const audio = req.file
-
-    if (!audio)
-        throw new CustomError.BadRequestError(`Missing the audio file`)
-
-    if (languageCode) {
-        const existLanguageCode = languageCodes.find(l => l.languageCode == languageCode)
-
-        if (!existLanguageCode) {
-            fs.unlinkSync(audio.path)
-            throw new CustomError.BadRequestError(`Invalid language code`)
-        }
-
-    }
-
-    const inputFile = path.resolve(audio.path)
-
-    const fileName = path.basename(inputFile, path.extname(inputFile))
-
-    const outputFile = path.join(__dirname, '..', 'public', 'uploads', `${fileName}.wav`)
-
-    const filePath = await convertAudioToLinear16(inputFile, outputFile)
-
-    fs.unlinkSync(inputFile)
-
-    const obj = await speechToTextJob(filePath, languageCode)
-
-    fs.unlinkSync(filePath)
-
-    if (obj?.operationName) return res.status(StatusCodes.OK).json({ operationId: obj.operationName })
-
-    res.status(obj.status).json({ msg: obj.msg })
-}
-
-const getJobStatus = async (req, res) => {
-
-    const { operationName } = req.query
-
-    if (!operationName)
-        throw new CustomError.BadRequestError(`Missing operationName query parameter`)
-
-    // Get the operation using the operationName 
-    const [response] = await client.getOperation({ name: operationName })
-
-    if (!response) {
-        return res.status(404).json({ msg: "Operation not found" })
-    }
-
-    if (response.done) {
-
-        // Load the protobuf message types
-        const root = new protobuf.Root()
-        root.loadSync(path.join(__dirname, '..', 'node_modules', 'google-proto-files', 'google', 'rpc', 'status.proto'), { keepCase: true })
-        root.loadSync(path.join(__dirname, '..', 'node_modules', 'google-proto-files', 'google', 'protobuf', 'duration.proto'), { keepCase: true })
-        root.loadSync(path.join(__dirname, '..', 'node_modules', 'google-proto-files', 'google', 'cloud', 'speech', 'v1', 'cloud_speech.proto'), { keepCase: true })
-
-        // Get the message type
-        const LongRunningRecognizeResponse = root.lookupType('google.cloud.speech.v1.LongRunningRecognizeResponse')
-
-        if (!response) {
-            return res.status(StatusCodes.NOT_FOUND).json({ msg: "Operation not found" })
-        }
-
-        // Decode the response value to get transcribed text
-        const longRunningResponse = LongRunningRecognizeResponse.decode(response.response.value)
-        if (longRunningResponse.error) {
-            console.error('Error:', longRunningResponse.error)
-            res.status(StatusCodes.INTERNAL_SERVER_ERROR).json({ msg: longRunningResponse.error })
-        } else {
-
-            const transcriptions = longRunningResponse.results.map(result => result.alternatives[0].transcript)
-
-            const fullTranscription = transcriptions.join(' ')
-
-            // console.log('Full Transcription:', fullTranscription)
-
-            res.status(StatusCodes.OK).json({ transcription: fullTranscription })
-
-        }
-
-    } else {
-        res.status(StatusCodes.ACCEPTED).json({ msg: "Transcription in progress" })
-    }
-
-}
-
 const getVoiceConfig = async (req, res) => {
 
     const { languageCode } = req.query
@@ -206,8 +72,5 @@ const getVoiceConfig = async (req, res) => {
 module.exports = {
     getSentiment,
     getAudioFromText,
-    getTextFromAudio,
+    getVoiceConfig
-    getVoiceConfig,
-    getJobStatus,
-    uploadAudioToTranscript
 }

mockData/languageCodes.json

@@ -1,59 +0,0 @@
-[
-  { "languageCode": "af-ZA" },
-  { "languageCode": "ar-XA" },
-  { "languageCode": "bg-BG" },
-  { "languageCode": "bn-IN" },
-  { "languageCode": "ca-ES" },
-  { "languageCode": "cmn-CN" },
-  { "languageCode": "cmn-TW" },
-  { "languageCode": "cs-CZ" },
-  { "languageCode": "da-DK" },
-  { "languageCode": "de-DE" },
-  { "languageCode": "el-GR" },
-  { "languageCode": "en-AU" },
-  { "languageCode": "en-GB" },
-  { "languageCode": "en-IN" },
-  { "languageCode": "en-US" },
-  { "languageCode": "es-ES" },
-  { "languageCode": "es-US" },
-  { "languageCode": "eu-ES" },
-  { "languageCode": "fi-FI" },
-  { "languageCode": "fil-PH" },
-  { "languageCode": "fr-CA" },
-  { "languageCode": "fr-FR" },
-  { "languageCode": "gl-ES" },
-  { "languageCode": "gu-IN" },
-  { "languageCode": "he-IL" },
-  { "languageCode": "hi-IN" },
-  { "languageCode": "hu-HU" },
-  { "languageCode": "id-ID" },
-  { "languageCode": "is-IS" },
-  { "languageCode": "it-IT" },
-  { "languageCode": "ja-JP" },
-  { "languageCode": "kn-IN" },
-  { "languageCode": "ko-KR" },
-  { "languageCode": "lt-LT" },
-  { "languageCode": "lv-LV" },
-  { "languageCode": "ml-IN" },
-  { "languageCode": "mr-IN" },
-  { "languageCode": "ms-MY" },
-  { "languageCode": "nb-NO" },
-  { "languageCode": "nl-BE" },
-  { "languageCode": "nl-NL" },
-  { "languageCode": "pa-IN" },
-  { "languageCode": "pl-PL" },
-  { "languageCode": "pt-BR" },
-  { "languageCode": "pt-PT" },
-  { "languageCode": "ro-RO" },
-  { "languageCode": "ru-RU" },
-  { "languageCode": "sk-SK" },
-  { "languageCode": "sr-RS" },
-  { "languageCode": "sv-SE" },
-  { "languageCode": "ta-IN" },
-  { "languageCode": "te-IN" },
-  { "languageCode": "th-TH" },
-  { "languageCode": "tr-TR" },
-  { "languageCode": "uk-UA" },
-  { "languageCode": "vi-VN" },
-  { "languageCode": "yue-HK" }
-]

package.json

@@ -11,8 +11,6 @@
   "license": "ISC",
   "dependencies": {
     "@google-cloud/language": "^6.1.0",
-    "@google-cloud/speech": "^6.0.2",
-    "@google-cloud/storage": "^7.4.0",
     "@google-cloud/text-to-speech": "^5.0.1",
     "bcryptjs": "^2.4.3",
     "cookie-parser": "^1.4.5",
@@ -23,20 +21,14 @@
     "express-fileupload": "^1.2.1",
     "express-mongo-sanitize": "^2.1.0",
     "express-rate-limit": "^5.4.1",
-    "fluent-ffmpeg": "^2.1.2",
-    "google-gax": "^4.0.5",
-    "google-proto-files": "^4.0.0",
-    "google-protobuf": "^3.21.2",
     "helmet": "^4.6.0",
     "http-status-codes": "^2.1.4",
     "joi": "^17.4.0",
     "mongoose": "^7.3.1",
     "morgan": "^1.10.0",
-    "multer": "^1.4.5-lts.1",
-    "protobufjs": "^7.2.5",
-    "swagger-ui-express": "^4.1.6",
     "validator": "^13.6.0",
     "xss-clean": "^0.1.1",
+    "swagger-ui-express": "^4.1.6",
     "yamljs": "^0.3.0"
   },
   "devDependencies": {

routes/naturalLanguageRoute.js

@@ -1,14 +1,11 @@
 const express = require('express')
 const router = express.Router()
 const { authorization, } = require('../middleware/authentication')
-const { audioUpload } = require("../utils")
+
-const { getSentiment, getAudioFromText, getTextFromAudio, getVoiceConfig, uploadAudioToTranscript, getJobStatus } = require('../controllers/naturalLanguageController')
+const { getSentiment, getAudioFromText, getVoiceConfig } = require('../controllers/naturalLanguageController')
 
 router.route('/sentiment').post(authorization, getSentiment)
-router.route('/text-to-speech').get(authorization, getAudioFromText)
+router.route('/text-to-speech').get(getAudioFromText)
-router.route('/speech-to-text').post(audioUpload.single('audio'), authorization, getTextFromAudio)
-router.route('/upload-audio-to-transcript').post(audioUpload.single('audio'), authorization, uploadAudioToTranscript)
-router.route('/query-job-status').get(getJobStatus)
 router.route('/voice-config').get(getVoiceConfig)
 
 module.exports = router

swagger.yaml

@@ -1,117 +1,29 @@
 openapi: 3.0.0
 info:
-  title: Natural Language API Google
+  title: Natural Language API
-  description: This API describes the endpoints and parameters to use resources from Google Cloud API.
   contact: {}
   version: '1.0'
 servers:
-- url: http://localhost:6001/api/v1/nl
+- url: http://localhost:6001/api/v1/nl/
   variables: {}
 paths:
-  /upload-audio-to-transcript:
-    post:
-      tags:
-      - Speech to text async
-      summary: Speech to text job
-      operationId: Speechtotextjob
-      parameters: []
-      requestBody:
-        content:
-          multipart/form-data:
-            encoding: {}
-            schema:
-              required:
-              - audio 
-              type: object
-              properties:
-                audio:
-                  type: string
-                  format: binary
-                languageCode:
-                  type: string
-                  description: 'If not provided, the default will be: pt-BR'
-                  example: pt-BR
-        required: false
-      responses:
-        '200':
-          description: ''
-          headers: {}
-      deprecated: false
-      security:
-      - bearer: []
-  /query-job-status:
-    get:
-      tags:
-      - Speech to text async
-      summary: Speech to text job process
-      operationId: Speechtotextjobprocess
-      parameters:
-      - name: operationName
-        in: query
-        description: 'The job id returned after uploading the audio file that will be transcribed.'
-        required: true
-        style: form
-        explode: true
-        schema:
-          type: integer
-          format: int64
-          example: 2993135803178989324
-      responses:
-        '200':
-          description: ''
-          headers: {}
-      deprecated: false
-      security:
-      - bearer: []
-  /speech-to-text:
-    post:
-      tags:
-      - Speech to text sync
-      summary: Speech to text
-      operationId: Speechtotext
-      parameters: []
-      requestBody:
-        content:
-          multipart/form-data:
-            encoding: {}
-            schema:
-              required:
-              - audio 
-              type: object
-              properties:
-                audio:
-                  type: string
-                  format: binary
-                languageCode:
-                  description: 'If not provided, the default will be: pt-BR'
-                  type: string 
-                  example: pt-BR
-        required: false
-      responses:
-        '200':
-          description: ''
-          headers: {}
-      deprecated: false
-      security:
-      - bearer: []
   /sentiment:
     post:
       tags:
-      - Sentiment
+      - API ROUTES
       summary: Get sentiment
       operationId: Getsentiment
       parameters: []
       requestBody:
-        description: ''
+        description: 'The text that will be analyzed'
         content:
           application/json:
             schema:
               allOf: 
-              - $ref: '#/components/schemas/GetsentimentRequest'
               - example:
-                  text: Toda vez a mesma coisa ja to cansado de ficar ligando pra resolver esses problemas de conexão!
+                  text: Vcs vao fica enrolando ate quando pra entregar isso!
             example:
-              text: Toda vez a mesma coisa ja to cansado de ficar ligando pra resolver esses problemas de conexão!
+              text: Vcs vao fica enrolando ate quando pra entregar isso!
         required: true
       responses:
         '200':
@@ -123,13 +35,13 @@ paths:
   /text-to-speech:
     get:
       tags:
-      - Text to speech
+      - API ROUTES
       summary: Text to speech
       operationId: Texttospeech
       parameters:
       - name: text
         in: query
-        description: ''
+        description: 'The text that will be converted to audio'
         required: true
         style: form
         explode: true
@@ -138,31 +50,31 @@ paths:
           example: Vela branca na enxurrada la vou eu de léo em léo, se o navio é pequeno do tamanho de um chapeu, não importa a volta ao mundo, é viagem de brinquedo em um barquinho de papel.
       - name: voice_name
         in: query
-        description: ''
+        description: 'The name of the voice. Ex: pt-BR-Wavenet-C'
         required: false
         style: form
         explode: true
         schema:
           type: string
-          example: pt-BR-Wavenet-C
+          example: 
       - name: voice_gender
         in: query
-        description: ''
+        description: 'The name of the voice. Ex: FEMALE'
         required: false
         style: form
         explode: true
         schema:
           type: string
-          example: FEMALE
+          example: 
       - name: languageCode
         in: query
-        description: ''
+        description: 'Ex pt-BR'
         required: false
         style: form
         explode: true
         schema:
           type: string
-          example: pt-BR
+          example: 
       responses:
         '200':
           description: ''
@@ -173,13 +85,13 @@ paths:
   /voice-config:
     get:
       tags:
-      - Text to speech
+      - API ROUTES
       summary: Get voice config
       operationId: Getvoiceconfig
       parameters:
       - name: languageCode
         in: query
-        description: ''
+        description: 'Ex pt-BR'
         required: false
         style: form
         explode: true
@@ -191,26 +103,11 @@ paths:
           description: ''
           headers: {}
       deprecated: false
-      security: []
+      security:
+      - bearer: []
 components: 
-  schemas:
-    GetsentimentRequest:
-      title: GetsentimentRequest
-      required:
-      - text
-      type: object
-      properties:
-        text:
-          type: string
-      example:
-        text: Toda vez a mesma coisa ja to cansado de ficar ligando pra resolver esses problemas de conexão!
   securitySchemes:
     bearer:
       type: http
       scheme: bearer
 security: [] 
-tags:
-- name: Speech to text async
-- name: Speech to text sync
-- name: Sentiment
-- name: Text to speech

swagger_production.yaml

@@ -1,216 +0,0 @@
-openapi: 3.0.0
-info:
-  title: Natural Language API Google
-  description: This API describes the endpoints and parameters to use resources from Google Cloud API.
-  contact: {}
-  version: '1.0'
-servers:
-- url: https://hit-nl.omnihit.app.br/api/v1/nl
-  variables: {}
-paths:
-  /upload-audio-to-transcript:
-    post:
-      tags:
-      - Speech to text async
-      summary: Speech to text job
-      operationId: Speechtotextjob
-      parameters: []
-      requestBody:
-        content:
-          multipart/form-data:
-            encoding: {}
-            schema:
-              required:
-              - audio 
-              type: object
-              properties:
-                audio:
-                  type: string
-                  format: binary
-                languageCode:
-                  type: string
-                  description: 'If not provided, the default will be: pt-BR'
-                  example: pt-BR
-        required: false
-      responses:
-        '200':
-          description: ''
-          headers: {}
-      deprecated: false
-      security:
-      - bearer: []
-  /query-job-status:
-    get:
-      tags:
-      - Speech to text async
-      summary: Speech to text job process
-      operationId: Speechtotextjobprocess
-      parameters:
-      - name: operationName
-        in: query
-        description: 'The job id returned after uploading the audio file that will be transcribed.'
-        required: true
-        style: form
-        explode: true
-        schema:
-          type: integer
-          format: int64
-          example: 2993135803178989324
-      responses:
-        '200':
-          description: ''
-          headers: {}
-      deprecated: false
-      security:
-      - bearer: []
-  /speech-to-text:
-    post:
-      tags:
-      - Speech to text sync
-      summary: Speech to text
-      operationId: Speechtotext
-      parameters: []
-      requestBody:
-        content:
-          multipart/form-data:
-            encoding: {}
-            schema:
-              required:
-              - audio 
-              type: object
-              properties:
-                audio:
-                  type: string
-                  format: binary
-                languageCode:
-                  description: 'If not provided, the default will be: pt-BR'
-                  type: string 
-                  example: pt-BR
-        required: false
-      responses:
-        '200':
-          description: ''
-          headers: {}
-      deprecated: false
-      security:
-      - bearer: []
-  /sentiment:
-    post:
-      tags:
-      - Sentiment
-      summary: Get sentiment
-      operationId: Getsentiment
-      parameters: []
-      requestBody:
-        description: ''
-        content:
-          application/json:
-            schema:
-              allOf:
-              - $ref: '#/components/schemas/GetsentimentRequest'
-              - example:
-                  text: Toda vez a mesma coisa ja to cansado de ficar ligando pra resolver esses problemas de conexão!
-            example:
-              text: Toda vez a mesma coisa ja to cansado de ficar ligando pra resolver esses problemas de conexão!
-        required: true
-      responses:
-        '200':
-          description: ''
-          headers: {}
-      deprecated: false
-      security:
-      - bearer: []
-  /text-to-speech:
-    get:
-      tags:
-      - Text to speech
-      summary: Text to speech
-      operationId: Texttospeech
-      parameters:
-      - name: text
-        in: query
-        description: ''
-        required: true
-        style: form
-        explode: true
-        schema:
-          type: string
-          example: Vela branca na enxurrada la vou eu de léo em léo, se o navio é pequeno do tamanho de um chapeu, não importa a volta ao mundo, é viagem de brinquedo em um barquinho de papel.
-      - name: voice_name
-        in: query
-        description: ''
-        required: false
-        style: form
-        explode: true
-        schema:
-          type: string
-          example: pt-BR-Wavenet-C
-      - name: voice_gender
-        in: query
-        description: ''
-        required: false
-        style: form
-        explode: true
-        schema:
-          type: string
-          example: FEMALE
-      - name: languageCode
-        in: query
-        description: ''
-        required: false
-        style: form
-        explode: true
-        schema:
-          type: string
-          example: pt-BR
-      responses:
-        '200':
-          description: ''
-          headers: {}
-      deprecated: false
-      security:
-      - bearer: []
-  /voice-config:
-    get:
-      tags:
-      - Text to speech
-      summary: Get voice config
-      operationId: Getvoiceconfig
-      parameters:
-      - name: languageCode
-        in: query
-        description: ''
-        required: false
-        style: form
-        explode: true
-        schema:
-          type: string
-          example: pt-Br
-      responses:
-        '200':
-          description: ''
-          headers: {}
-      deprecated: false
-      security: []
-components:
-  schemas:
-    GetsentimentRequest:
-      title: GetsentimentRequest
-      required:
-      - text
-      type: object
-      properties:
-        text:
-          type: string
-      example:
-        text: Toda vez a mesma coisa ja to cansado de ficar ligando pra resolver esses problemas de conexão!
-  securitySchemes:
-    bearer:
-      type: http
-      scheme: bearer
-security: []
-tags:
-- name: Speech to text async
-- name: Speech to text sync
-- name: Sentiment
-- name: Text to speech

utils/audioUpload.js

@@ -1,25 +0,0 @@
-const multer = require('multer')
-const path = require('path')
-
-//Destination to store the file
-const audioStorage = multer.diskStorage({
-    destination: function (req, file, cb) {
-        cb(null, `public/uploads`)
-    },
-    filename: function (req, file, cb) {
-        cb(null, Date.now() + String(Math.floor(Math.random() * 1000)) + path.extname(file.originalname))
-    }
-})
-
-const audioUpload = multer({
-    storage: audioStorage,
-    fileFilter(req, file, cb) {
-        if (!file.originalname.match(/\.(mp3|wav|ogg|flac|aac|wma|m4a|mp4|webm|opus|mpeg)$/i)) {
-            return cb(new Error('Invalid file type. Send only an audio file!'))
-        }
-        cb(undefined, true)
-    }
-
-})
-
-module.exports = audioUpload 

utils/audioUploadToBucket.js

@@ -1,35 +0,0 @@
-// Imports the Google Cloud client library
-const { Storage } = require('@google-cloud/storage')
-
-async function audioUploadToBucket(
-  bucketName,
-  filePath,
-  destFileName, 
-) {
-  // [START storage_upload_file] 
-
-  // Creates a client
-  const storage = new Storage()
-
-  async function uploadFile() {
-    const options = {
-      destination: destFileName, 
-    }
-
-    await storage.bucket(bucketName).upload(filePath, options)
-    console.log(`${filePath} uploaded to ${bucketName}`)
-  }
- 
-  try {
-    await uploadFile()
-    return true
-  } catch (error) {
-    console.error(error)
-    return false
-  } 
-  // [END storage_upload_file]
-}
-
- 
-
-module.exports = audioUploadToBucket

utils/convertAudioToLinear16.js

@@ -1,16 +0,0 @@
-const ffmpeg = require('fluent-ffmpeg')
-
-async function convertToLINEAR16(inputFile, outputFile) {
-    return new Promise((resolve, reject) => {
-        ffmpeg(inputFile)
-            .audioCodec('pcm_s16le') // Set the audio codec to LINEAR16
-            .audioFrequency(16000)   // Set the sample rate to 16,000 Hz
-            .audioChannels(1)
-            .on('end', () => resolve(outputFile))
-            .on('error', (err) => reject(err))
-            .save(outputFile)
-    })
-}
-
-module.exports = convertToLINEAR16
- 

utils/getAudioDuration.js

@@ -1,17 +0,0 @@
-const ffmpeg = require('fluent-ffmpeg')
-
-async function getAudioDuration(filePath) {
-    return new Promise((resolve, reject) => {
-        ffmpeg.ffprobe(filePath, (err, metadata) => {
-            if (err) {
-                reject(err)
-            } else {
-                resolve(Math.round(metadata.format.duration))
-            }
-        })
-    })
-} 
-
-module.exports = getAudioDuration
-
-

utils/index.js

@@ -5,21 +5,10 @@
 const sentiment = require('./sentiment') 
 const convertTextToSpeech = require('./textToSpeech')
 const listVoice = require('./listVoice')
-const convertAudioToLinear16 = require('./convertAudioToLinear16')
-const getAudioDuration = require('./getAudioDuration')
-const audioUploadToBucket = require('./audioUploadToBucket')
-const audioUpload = require('./audioUpload')
-const speechToText = require('./speechToText')
-const speechToTextJob = require('./speechToTextJob') 
 
 module.exports = {
     sentiment, 
     convertTextToSpeech,
-    listVoice,
+    listVoice
-    convertAudioToLinear16,
-    getAudioDuration,
-    audioUploadToBucket,
-    audioUpload,
-    speechToText,
-    speechToTextJob
 }
+ 

utils/speechToText.js

@@ -1,67 +0,0 @@
-// Imports the Google Cloud client library
-const speech = require('@google-cloud/speech')
-const { StatusCodes } = require("http-status-codes") 
-const path = require('path')
-const fs = require('fs')
- const getAudioDuration = require('./getAudioDuration')
-const audioUploadToBucket = require('./audioUploadToBucket')
-
-async function speechToText(filename, languageCode = 'pt-Br', bucket = 'speect-to-text-bucket', sampleRateHertz = 16000, encoding = 'LINEAR16') {
-
-    const client = new speech.SpeechClient()
-
-    let audio
-
-    const config = {
-        encoding: encoding,
-        sampleRateHertz: sampleRateHertz,
-        languageCode: languageCode,
-    }
-
-    const seconds = await getAudioDuration(filename)
-
-    if (seconds >= 28800) {
-        return { msg: 'Audio file is higher than 480 minute', status: StatusCodes.BAD_REQUEST }
-    }
-    else if (seconds <= 59) {
-        audio = {
-            content: fs.readFileSync(filename).toString('base64'),
-        }
-    } else if (seconds >= 60) {
-        const uploaded = await audioUploadToBucket(bucket, filename, path.basename(filename))
-
-        if (uploaded) {
-            audio = {
-                uri: `gs://${bucket}/${path.basename(filename)}`,
-            }
-        }
-    }
-
-    if (!audio) return { msg: `Error on try upload the file to google cloud bucket(${bucket}) storage`, status: StatusCodes.INTERNAL_SERVER_ERROR }
-
-    const request = {
-        config: config,
-        audio: audio,
-    }
-
-    try {
-        // Detects speech in the audio file. This creates a recognition job that you
-        // can wait for now, or get its result later.
-        const [operation] = await client.longRunningRecognize(request)
-        // Get a Promise representation of the final result of the job
-        const [response] = await operation.promise()
-        const transcription = response.results
-            .map(result => result.alternatives[0].transcript)
-            .join('\n')
-        console.log(`Transcription: ${transcription}`)
-
-        return { msg: `Transcript success`, status: StatusCodes.OK, transcription }
-    } catch (error) {
-        console.log('ERROR ON TRY TRANSCRIPT: ', error)
-        return { msg: `Error on try transcript the file`, status: StatusCodes.INTERNAL_SERVER_ERROR }
-    }
-}
-
-module.exports = speechToText
-
-

utils/speechToTextJob.js

@@ -1,64 +0,0 @@
-// Imports the Google Cloud client library
-const speech = require('@google-cloud/speech')
-const path = require('path')
-const fs = require('fs')
-const getAudioDuration = require('./getAudioDuration')
-const audioUploadToBucket = require('./audioUploadToBucket') 
-const { StatusCodes } = require("http-status-codes")
-
-
-async function speechToTextJob(filename, languageCode = 'pt-Br', bucket = 'speect-to-text-bucket', sampleRateHertz = 16000, encoding = 'LINEAR16') {
-
-    const client = new speech.SpeechClient()
-
-    let audio
-
-    const config = {
-        encoding: encoding,
-        sampleRateHertz: sampleRateHertz,
-        languageCode: languageCode,
-    }
-
-    const seconds = await getAudioDuration(filename)
-
-    if (seconds >= 28800) {
-        return { msg: 'Audio file is higher than 480 minute', status: StatusCodes.BAD_REQUEST }
-    }
-    else if (seconds <= 59) {
-        audio = {
-            content: fs.readFileSync(filename).toString('base64'),
-        }
-    } else if (seconds >= 60) {
-        const uploaded = await audioUploadToBucket(bucket, filename, path.basename(filename))
-
-        if (uploaded) {
-            audio = {
-                uri: `gs://${bucket}/${path.basename(filename)}`,
-            }
-        }
-    }
-
-    if (!audio) return { msg: `Error on try upload the file to google cloud bucket(${bucket}) storage`, status: StatusCodes.INTERNAL_SERVER_ERROR }
-
-    const request = {
-        config: config,
-        audio: audio,
-    }
-
-    try {
-        // Detects speech in the audio file. This creates a recognition job that you
-        // can wait for now, or get its result later.
-        const [operation] = await client.longRunningRecognize(request)
-
-        console.log('===========> operationName: ', operation.name)
-
-        return { msg: `success`, status: StatusCodes.OK, operationName: operation.name }
-    } catch (error) {
-        console.log('ERROR ON TRY TRANSCRIPT: ', error)
-        return { msg: `Error on try transcript the file`, status: StatusCodes.INTERNAL_SERVER_ERROR }
-    }
-}
-
-module.exports = speechToTextJob
-
-