support resemble TTS (#488)

* support resemble TTS

* wip

* wip

* update speech utils version

* update resemble voice list

lib/routes/api/speech-credentials.js

@@ -15,7 +15,8 @@ const {decryptCredential, testWhisper, testDeepgramTTS,
   testCartesia,
   testVoxistStt,
   testOpenAiStt,
-  testInworld} = require('../../utils/speech-utils');
+  testInworld,
+  testResembleTTS} = require('../../utils/speech-utils');
 const {DbErrorUnprocessableRequest, DbErrorForbidden, DbErrorBadRequest} = require('../../utils/errors');
 const {
   testGoogleTts,
@@ -132,6 +133,8 @@ const encryptCredential = (obj) => {
     deepgram_stt_use_tls,
     deepgram_tts_uri,
     playht_tts_uri,
+    resemble_tts_uri,
+    resemble_tts_use_tls,
     use_custom_tts,
     custom_tts_endpoint,
     custom_tts_endpoint_url,
@@ -226,6 +229,15 @@ const encryptCredential = (obj) => {
         deepgram_stt_use_tls, deepgram_tts_uri, model_id});
       return encrypt(deepgramData);
 
+    case 'resemble':
+      assert(api_key, 'invalid resemble speech credential: api_key is required');
+      const resembleData = JSON.stringify({
+        api_key,
+        ...(resemble_tts_uri && {resemble_tts_uri}),
+        ...(resemble_tts_use_tls && {resemble_tts_use_tls})
+      });
+      return encrypt(resembleData);
+
     case 'deepgramriver':
       assert(api_key, 'invalid deepgram river speech credential: api_key is required');
       const deepgramriverData = JSON.stringify({api_key});
@@ -523,7 +535,9 @@ router.put('/:sid', async(req, res) => {
           playht_tts_uri,
           engine_version,
           service_version,
-          speechmatics_stt_uri
+          speechmatics_stt_uri,
+          resemble_tts_use_tls,
+          resemble_tts_uri
         } = req.body;
 
         const newCred = {
@@ -556,7 +570,9 @@ router.put('/:sid', async(req, res) => {
           playht_tts_uri,
           engine_version,
           service_version,
-          speechmatics_stt_uri
+          speechmatics_stt_uri,
+          resemble_tts_uri,
+          resemble_tts_use_tls
         };
         logger.info({o, newCred}, 'updating speech credential with this new credential');
         obj.credential = encryptCredential(newCred);
@@ -756,6 +772,17 @@ router.get('/:sid/test', async(req, res) => {
           SpeechCredential.sttTestResult(sid, false);
         }
       }
+    } else if (cred.vendor === 'resemble') {
+      if (cred.use_for_tts) {
+        try {
+          await testResembleTTS(logger, synthAudio, credential);
+          results.tts.status = 'ok';
+          SpeechCredential.ttsTestResult(sid, true);
+        } catch (err) {
+          results.tts = {status: 'fail', reason: err.message};
+          SpeechCredential.ttsTestResult(sid, false);
+        }
+      }
     } else if (cred.vendor === 'deepgram') {
       const {api_key} = credential;
       if (cred.use_for_tts) {