feat: replaces Date.now() in fbdl with crypto.randomUUID() and it now caches videos

Author: mrepol742

src/commands/fbdl.ts

@@ -1,6 +1,7 @@
 import { MessageMedia } from "whatsapp-web.js";
 import { Message } from "../../types/message";
 import { getFbVideoInfo } from "fb-downloader-scrapper";
+import crypto from "crypto";
 import log from "../components/utils/log";
 import axios from "../components/axios";
 import fs from "fs";
@@ -14,6 +15,15 @@ export const info = {
   cooldown: 5000,
 };
 
+const fileExists = async (filePath: string) => {
+  try {
+    await fs.promises.access(filePath, fs.constants.F_OK);
+    return true;
+  } catch {
+    return false;
+  }
+};
+
 export default async function (msg: Message) {
   const query = msg.body.replace(/^fbdl\b\s*/i, "").trim();
   if (query.length === 0) {
@@ -28,27 +38,41 @@ export default async function (msg: Message) {
     return;
   }
 
-  const result = await getFbVideoInfo(query);
-  if (!result.url)
-    return await msg.reply("No video found at the provided URL.");
+  await msg.react("🔍");
 
-  const response = await axios.get(result.hd || result.sd, {
-    responseType: "arraybuffer",
-  });
+  const result = await getFbVideoInfo(query);
+  if (!result.url) {
+    await Promise.all([
+      msg.reply("No video found at the provided URL."),
+      msg.react(""),
+    ]);
+    return;
+  }
 
   const tempDir = "./.temp";
   fs.mkdirSync(tempDir, { recursive: true });
+  const tempPath = `${tempDir}/${crypto.randomUUID()}.mp4`;
 
-  const tempPath = `${tempDir}/fbdl_${Date.now()}.mp4`;
-  fs.writeFileSync(tempPath, response.data);
+  if (await fileExists(tempPath)) {
+    const media = MessageMedia.fromFilePath(tempPath);
+    await Promise.all([
+      msg.reply(media, undefined, {
+        caption: result.title,
+      }),
+      msg.react(""),
+    ]);
+    return;
+  }
 
-  const audioBuffer = fs.readFileSync(tempPath);
-  const media = new MessageMedia(
-    "audio/mpeg",
-    audioBuffer.toString("base64"),
-    `${result.title}.mp4`,
-  );
+  await msg.react("⬇️");
 
-  await msg.reply(media, msg.from);
-  await fs.promises.unlink(tempPath);
+  const response = await axios.get(result.hd || result.sd, {
+    responseType: "arraybuffer",
+  });
+  fs.writeFileSync(tempPath, response.data);
+
+  const media = MessageMedia.fromFilePath(tempPath);
+  await msg.reply(media, undefined, {
+    caption: result.title,
+  });
 }