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[repo] desacoplamento e maior coesão

src/download/queue.js

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+import { get_video } from "./video.js";
+import { get_audio } from "./audio.js";
+import pkg from "whatsapp-web.js";
+const { MessageMedia } = pkg;
+import fs from "fs";
+import { botMsg } from "../utils/botMsg.js";
+import { emptyFolder } from "../utils/file.js";
+import client from "../client/whatsappClient.js";
+
+let downloadQueue = [];
+let processingQueue = false;
+
+export function enqueueDownload(type, url, msg, chatId) {
+    downloadQueue.push({ type, url, msg, chatId });
+    if (!processingQueue) processQueue();
+}
+
+async function processQueue() {
+    processingQueue = true;
+    while (downloadQueue.length) {
+        const job = downloadQueue.shift();
+        try {
+            let path;
+            if (job.type === "video") path = await get_video(job.url, job.msg.id._serialized);
+            else path = await get_audio(job.url, job.msg.id._serialized);
+
+            const file = fs.readFileSync(path);
+            const media = new MessageMedia(
+                job.type === "video" ? "video/mp4" : "audio/mpeg",
+                file.toString("base64"),
+                path.split("/").pop()
+            );
+            await client.sendMessage(job.chatId, media);
+            fs.unlinkSync(path);
+            emptyFolder("downloads");
+
+        } catch (err) {
+            await client.sendMessage(job.chatId, botMsg(`❌ Erro ao baixar ${job.type}\n\`${err.message}\``));
+        }
+    }
+    processingQueue = false;
+}