fetch playht custom voice (#307)

lib/utils/speech-utils.js

@@ -687,20 +687,29 @@ async function getLanguagesVoicesForPlayHT(credential) {
       'Accept': 'application/json'
     });
 
-    const voices = await get('/api/v2/voices');
+    const [cloned_voice, voices] = await Promise.all([ get('/api/v2/cloned-voices'), get('/api/v2/voices')]);
+    const list_voices = [...cloned_voice, ...voices];
 
     const buildVoice = (d) => {
-      let name = `${d.name} -${concat(d.accent)}${concat(d.age)}${concat(d.gender)}
-${concat(d.loudness)}${concat(d.style)}${concat(d.tempo)}${concat(d.texture)}` ;
-      name = name.endsWith(',') ? name.slice(0, -1) : name;
+      let name = `${d.name} -${concat(d.accent)}${concat(d.age)}${concat(d.gender)}${concat(d.loudness)}` +
+      `${concat(d.style)}${concat(d.tempo)}${concat(d.texture)}` ;
+      name = name.endsWith(',') ? name.trim().slice(0, -1) : name;
       return {
         value: `${d.id}`,
         name
       };
     };
 
-    const ttsVoices = voices.reduce((acc, voice) => {
+    const ttsVoices = list_voices.reduce((acc, voice) => {
+      if (!credential.voice_engine.includes(voice.voice_engine)) {
+        return acc;
+      }
       const languageCode = voice.language_code;
+      // custom voice does not have language code
+      if (!languageCode) {
+        voice.language_code = 'en';
+        voice.language = 'Custom-English';
+      }
       const existingLanguage = acc.find((lang) => lang.value === languageCode);
       if (existingLanguage) {
         existingLanguage.voices.push(buildVoice(voice));