add voices and languages endpoints

jambonz · Oct 13, 2023 · 8b957ee · 8b957ee
1 parent 7aa9ed7
commit 8b957ee
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Showing 2 changed files with 80 additions and 2 deletions.
diff --git a/lib/models/speech-credential.js b/lib/models/speech-credential.js
@@ -20,7 +20,7 @@ class SpeechCredential extends Model {
     return rows;
   }
 
-  static async isAvailableVendorAndLabel(service_provider_sid, account_sid, vendor, label) {
+  static async getSpeechCredentialsByVendorAndLabel(service_provider_sid, account_sid, vendor, label) {
     let sql;
     if (account_sid) {
       sql = 'SELECT * FROM speech_credentials WHERE account_sid = ? AND vendor = ? AND label = ?';

diff --git a/lib/routes/api/speech-credentials.js b/lib/routes/api/speech-credentials.js
@@ -22,6 +22,7 @@ const {
   testIbmStt,
   testElevenlabs
 } = require('../../utils/speech-utils');
+const bent = require('bent');
 const {promisePool} = require('../../db');
 
 const validateAdd = async(req) => {
@@ -244,7 +245,7 @@ router.post('/', async(req, res) => {
 
     // Check if vendor and label is already used for account or SP
     if (label) {
-      const existingSpeech = await SpeechCredential.isAvailableVendorAndLabel(
+      const existingSpeech = await SpeechCredential.getSpeechCredentialsByVendorAndLabel(
         service_provider_sid, account_sid, vendor, label);
       if (existingSpeech.length > 0) {
         throw new DbErrorUnprocessableRequest(`Label ${label} is already in use for another speech credential`);
@@ -765,4 +766,81 @@ router.get('/:sid/test', async(req, res) => {
   }
 });
 
+/**
+ * Fetch speech voices and languages
+ */
+
+router.post('/voices', async(req, res) => {
+  const logger = req.app.locals.logger;
+  const {vendor, label} = req.body;
+  const account_sid = req.user.account_sid || req.body.account_sid;
+  const service_provider_sid = req.user.service_provider_sid ||
+    req.body.service_provider_sid || parseServiceProviderSid(req);
+  try {
+    res.status(200).json(await getTtsVoices(vendor, label, service_provider_sid, account_sid));
+  } catch (err) {
+    sysError(logger, res, err);
+  }
+});
+
+router.post('/languages', async(req, res) => {
+  const logger = req.app.locals.logger;
+  const {vendor, label} = req.body;
+  const account_sid = req.user.account_sid || req.body.account_sid;
+  const service_provider_sid = req.user.service_provider_sid ||
+    req.body.service_provider_sid || parseServiceProviderSid(req);
+  try {
+    res.status(200).json(await getTtsLanguages(vendor, label, service_provider_sid, account_sid));
+  } catch (err) {
+    sysError(logger, res, err);
+  }
+});
+
+const getTtsVoices = async(vendor, label, service_provider_sid, account_sid) => {
+  const credentials = await SpeechCredential.isAvailableVendorAndLabel(
+    service_provider_sid, account_sid, vendor, label);
+  const cred = credentials && credentials.length > 0 ? credentials[0] : null;
+  if (vendor === 'elevenlabs') {
+    const get = bent('https://api.elevenlabs.io', 'GET', 'json', {
+      ...(cred && {
+        'xi-api-key' : cred.api_key
+      })
+    });
+    const resp = await get('/v1/voices');
+    return resp ? resp.voices.map((v) => {
+      return {
+        value: v.voice_id,
+        name: `${v.name} - ${v.labels.accent}, ${v.labels.description},
+ ${v.labels.age}, ${v.labels.gender}, ${v.labels['use case']}`
+      };
+    }) : [];
+  }
+  return [];
+};
+
+const getTtsLanguages = async(vendor, label, service_provider_sid, account_sid) => {
+  const credentials = await SpeechCredential.isAvailableVendorAndLabel(
+    service_provider_sid, account_sid, vendor, label);
+  const cred = credentials && credentials.length > 0 ? credentials[0] : null;
+  if (vendor === 'elevenlabs') {
+    if (!cred) {
+      return [];
+    }
+    const get = bent('https://api.elevenlabs.io', 'GET', 'json', {
+      'xi-api-key' : cred.api_key
+    });
+    const resp = await get('/v1/models');
+    if (!resp || resp.length === 0) {
+      return [];
+    }
+    const model = resp.find((m) => m.model_id === cred.model_id);
+    return model ? model.languages.map((l) => {
+      return {
+        value: l.language_id,
+        name: l.name
+      };
+    }) : [];
+  }
+};
+
 module.exports = router;