From 783df019217fc0641afd511439b6dcdb839d7985 Mon Sep 17 00:00:00 2001
From: ahiipsa <ahiipsa@gmail.com>
Date: Tue, 26 Sep 2023 23:39:03 +0400
Subject: [PATCH] Added text to speech feature

---
 src/config.ts                        |  1 +
 src/modules/voice-translate/index.ts | 33 +++++++++++++++++++++++++++-
 2 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/src/config.ts b/src/config.ts
index b0f0eb51..ae760a61 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -148,5 +148,6 @@ export default {
     password: process.env.ES_PASSWORD ?? '',
     index: process.env.ES_INDEX
   },
+  deepL: { apikey: process.env.DEEPL_API_KEY ?? '' },
   gc: { credentials: process.env.GC_CREDENTIALS ?? '' }
 }
diff --git a/src/modules/voice-translate/index.ts b/src/modules/voice-translate/index.ts
index 38541331..74923791 100644
--- a/src/modules/voice-translate/index.ts
+++ b/src/modules/voice-translate/index.ts
@@ -26,16 +26,47 @@ export class VoiceTranslateBot implements PayableBot {
   public isSupportedEvent (ctx: OnMessageContext): boolean {
     const { voice, audio } = ctx.update.message
 
-    return (!!voice || !!audio)
+    return (!!voice || !!audio) || ctx.hasCommand('voice')
   }
 
   public getEstimatedPrice (ctx: OnMessageContext): number {
     return 0
   }
 
+  public async onTextToSpeech (ctx: OnMessageContext, message: string): Promise<void> {
+    if (!message) {
+      await ctx.reply('/voice command should contain text.')
+      return
+    }
+
+    if (!ctx.chat?.id) {
+      throw new Error('Internal error')
+    }
+
+    const progressMessage = await ctx.reply('Waite a moment...')
+
+    const voiceResult = await textToSpeech(message)
+
+    if (!voiceResult) {
+      await ctx.api.editMessageText(ctx.chat.id, progressMessage.message_id, 'An error occurred during the process of generating the message.')
+      return
+    }
+
+    const inputFile = new InputFile(voiceResult)
+
+    await ctx.api.deleteMessage(ctx.chat.id, progressMessage.message_id)
+    await ctx.replyWithVoice(inputFile)
+  }
+
   public async onEvent (ctx: OnMessageContext): Promise<void> {
     const { voice, audio } = ctx.update.message
 
+    if (ctx.hasCommand('voice')) {
+      const text = ctx.match.toString()
+      await this.onTextToSpeech(ctx, text)
+      return
+    }
+
     if (!(!!voice || !!audio)) {
       return
     }