fix #13, Add a user ID filter

Author: mipmip

README.md

@@ -26,6 +26,7 @@ PLAY_HT_SECRET_KEY=
 PLAY_HT_USER_ID=
 PLAY_HT_VOICE= # check docs for available voices https://playht.github.io/api-docs-generator/#utra-realistic-voices
 OPENAI_MODEL=gpt-3.5-turbo # only if you don't have access to GPT-4
+#SERVE_THIS_USER_ONLY=99999999 # uncomment this if you want to only serve this user id. The ID will be printed on stdout.
 ```
 
 4. `npm install`

src/index.ts

@@ -28,6 +28,15 @@ bot.help((ctx) => {
 });
 
 bot.on("voice", async (ctx) => {
+
+  if(process.env.SERVE_THIS_USER_ONLY && parseInt(process.env.SERVE_THIS_USER_ONLY) !== ctx.message.chat.id){
+    console.log(`User ${ctx.message.chat.id.toString()} is not allowed to be served.`);
+    await ctx.reply(
+      "Sorry, you're not allowed to be served by me."
+    );
+    return;
+  }
+
   const voice = ctx.message.voice;
   await ctx.sendChatAction("typing");