* environment variable to enable/disable processing links in messages (for downloading videos)

* bot will not automatically download video from youtube or load it from cache. It will fetch video info first, then suggest to download or get video from cache (with retry options)
* some rewriting in sending/editing/replying to messages

src/commands/youtube-download.ts

@@ -1,8 +1,10 @@
 import {Command} from "../base/command";
 import {Message} from "typescript-telegram-bot-api";
-import {logError, replyToMessage} from "../util/utils";
-import {bot} from "../index";
-import {downloadVideoFromYouTube} from "../util/ytdl";
+import {editMessageText, logError, replyToMessage} from "../util/utils";
+import {bot, botUser} from "../index";
+import {DownloadOptions, downloadVideoFromYouTube, getYouTubeVideoId} from "../util/ytdl";
+import {Environment} from "../common/environment";
+import {TryAgain} from "../callback_commands/try-again";
 
 export class YouTubeDownload extends Command {
     command = ["ytdl", "youtube"];
@@ -10,16 +12,22 @@ export class YouTubeDownload extends Command {
 
     async execute(msg: Message, match?: RegExpExecArray): Promise<void> {
         const url = match?.[3];
-        return this.downloadYouTubeVideo(msg, url);
+        return this.downloadYouTubeVideo(msg, {url: url});
     }
 
-    async downloadYouTubeVideo(msg: Message, url: string): Promise<void> {
-        let waitMessage: Message | null = null;
+    async downloadYouTubeVideo(msg: Message, options: DownloadOptions): Promise<void> {
+        // TODO: 02.03.2026, Danil Nikolaev: add check for date
+        let waitMessage: Message | null = (msg.from.id === botUser.id) ? msg : null;
+        const videoId = "videoId" in options ? options.videoId : getYouTubeVideoId(options.url);
 
         try {
-            waitMessage = await replyToMessage({message: msg, text: "⏳ Секунду..."});
+            if (!waitMessage) {
+                waitMessage = await replyToMessage({message: msg, text: Environment.waitText});
+            } else {
+                await editMessageText({message: msg, text: Environment.waitText});
+            }
 
-            const {time, exists, buffer} = await downloadVideoFromYouTube(url);
+            const {time, exists, buffer} = await downloadVideoFromYouTube({videoId: videoId});
             if (buffer) {
                 const start = Date.now();
                 waitMessage = await bot.editMessageMedia({
@@ -35,7 +43,7 @@ export class YouTubeDownload extends Command {
                 waitMessage = await bot.editMessageCaption({
                     chat_id: msg.chat.id,
                     message_id: waitMessage.message_id,
-                    caption: `✅ [Видео](${url})` + (exists ? " загружено из кэша" : " успешно скачано") + " за " + (time + diff) + "мс",
+                    caption: "✅ [Видео]" + (exists ? " загружено из кэша" : " успешно скачано") + " за " + (time + diff) + "мс",
                     parse_mode: "MarkdownV2"
                 }) as Message;
             }
@@ -46,7 +54,12 @@ export class YouTubeDownload extends Command {
                 await bot.editMessageText({
                     chat_id: msg.chat.id,
                     message_id: waitMessage.message_id,
-                    text: `⚠️ Произошла ошибка.\n${e}`,
+                    text: Environment.errorText,
+                    reply_markup: {
+                        inline_keyboard: [[
+                            TryAgain.withData("/ytdl " + videoId).asButton()
+                        ]]
+                    }
                 });
             }
         }