Fix formatting

tts/watson/index.js

@@ -5,20 +5,36 @@ const querystring = require('querystring');
 module.exports = class extends BaseEngine {
 	constructor() {
 		super("IBM Watson TTS", "ogg");
-		this.voices={
+		this.voices = {};
-			'Michael': 'en-US_MichaelV3Voice',
+		this.populateVoiceList();
-			'Allison': 'en-US_AllisonV3Voice',
+	}
-			'Kevin': 'en-US_KevinV3Voice',
+	async populateVoiceList() {
+		const url = process.env.watsonURL + "/v1/voices";
+		const authorization = this.IBMAuthString();
+		const opts = {
+			method: "get",
+			headers: {
+				'Authorization': authorization
+			},
 		};
+		const res = await fetch(url, opts);
+		const voices = await res.json();
+		voices.voices.forEach((i) => {
+			let voiceName = i.description.substring(0, i.description.indexOf(':'));
+			this.voices[voiceName] = i.name;
+		});
 	}
 	getDefaultVoice() {
 		return 'Michael';
 	}
-	async getSpeech(text, voice=this.getSpeechVoice(), params={}) {
+	IBMAuthString() {
-		const url = process.env.watsonURL+"/v1/synthesize?voice="+this.getInternalVoiceName(voice);
 		let buff = new Buffer('apikey:' + process.env.watsonAPIKey);
 		let b64auth = buff.toString('base64');
-		const authorization='Basic '+b64auth;
+		return 'Basic ' + b64auth;
+	}
+	async getSpeech(text, voice = this.getSpeechVoice(), params = {}) {
+		const url = process.env.watsonURL + "/v1/synthesize?voice=" + this.getInternalVoiceName(voice);
+		const authorization = this.IBMAuthString();
 		const opts = {
 			method: "post",
 			headers: {