support voxist stt (#384)

lib/routes/api/speech-credentials.js

@@ -12,7 +12,8 @@ const {decryptCredential, testWhisper, testDeepgramTTS,
   testVerbioTts,
   testVerbioStt,
   testSpeechmaticsStt,
-  testCartesia} = require('../../utils/speech-utils');
+  testCartesia,
+  testVoxistStt} = require('../../utils/speech-utils');
 const {DbErrorUnprocessableRequest, DbErrorForbidden, DbErrorBadRequest} = require('../../utils/errors');
 const {
   testGoogleTts,
@@ -270,6 +271,11 @@ const encryptCredential = (obj) => {
       const assemblyaiData = JSON.stringify({api_key});
       return encrypt(assemblyaiData);
 
+    case 'voxist':
+      assert(api_key, 'invalid voxist speech credential: api_key is required');
+      const voxistData = JSON.stringify({api_key});
+      return encrypt(voxistData);
+
     case 'whisper':
       assert(api_key, 'invalid whisper speech credential: api_key is required');
       assert(model_id, 'invalid whisper speech credential: model_id is required');
@@ -853,6 +859,18 @@ router.get('/:sid/test', async(req, res) => {
           SpeechCredential.sttTestResult(sid, false);
         }
       }
+    } else if (cred.vendor === 'voxist') {
+      const {api_key} = credential;
+      if (cred.use_for_stt) {
+        try {
+          await testVoxistStt(logger, {api_key});
+          results.stt.status = 'ok';
+          SpeechCredential.sttTestResult(sid, true);
+        } catch (err) {
+          results.stt = {status: 'fail', reason: err.message};
+          SpeechCredential.sttTestResult(sid, false);
+        }
+      }
     } else if (cred.vendor === 'whisper') {
       if (cred.use_for_tts) {
         try {