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[repo] desacoplamento e maior coesão

src/commands/figurinha.js

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+import pkg from "whatsapp-web.js";
+const { MessageMedia } = pkg;
+import sharp from "sharp";
+import fs from "fs";
+import { botMsg } from "../utils/botMsg.js";
+import { client } from "../client/whatsappClient.js"
+
+export async function gerarSticker(msg) {
+    if (!msg.hasMedia) {
+        await msg.reply(botMsg("Envie uma imagem junto com o comando: `!figurinha`."));
+        return;
+    }
+
+    const media = await msg.downloadMedia();
+    const ext = media.mimetype.split("/")[1];
+    const input = `downloads/${msg.id._serialized}.${ext}`;
+    const output = `downloads/${msg.id._serialized}.webp`;
+
+    fs.writeFileSync(input, Buffer.from(media.data, "base64"));
+
+    await sharp(input)
+        .resize(512, 512, { fit: "contain", background: { r:0,g:0,b:0,alpha:0 } })
+        .webp()
+        .toFile(output);
+
+    const data = fs.readFileSync(output);
+    const sticker = new MessageMedia("image/webp", data.toString("base64"), "sticker.webp");
+    const chat = await msg.getChat();
+    await client.sendMessage(chat.id._serialized, sticker, { sendMediaAsSticker: true });
+
+    fs.unlinkSync(input);
+    fs.unlinkSync(output);
+}