Init

src/bot.ts

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+import { PhotoAttachment, VK } from "vk-io";
+import { env } from "../env";
+import { MEDIUM_SIZES, getAttachmentBySizes } from "./utils";
+import { makeLiquidRescale } from "./queues/liquid.queue";
+
+export const bot = new VK({ token: env.VK_BOT_TOKEN });
+
+bot.updates.on('message_new', async (context, next) => {
+    if (context.isChat) return; // ignore chats for now
+    if (!context.hasAllAttachments('photo')) return;
+
+    const processingMessage = await context.reply('Обрабатываю...');
+
+    const results = [];
+
+    for (let attachment of context.attachments) {
+        if (attachment.type === 'photo') {
+            const [size] = getAttachmentBySizes(attachment as PhotoAttachment, MEDIUM_SIZES);
+            const imageUrl = size?.url;
+
+            if (imageUrl) {
+                const liquidRescaleJob = await makeLiquidRescale({ imageUrl: imageUrl });
+                let result;
+
+                try {
+                    result = await liquidRescaleJob.finished();
+                } catch (err) {
+                    return context.reply('Упс... что-то пошло не так...');
+                }
+
+                results.push(Buffer.from(result.data));
+            }
+
+        }
+    }
+
+    const attachments: PhotoAttachment[] = [];
+
+    for (let image of results) {
+        const attachment = await bot.upload.messagePhoto({
+            peer_id: context.senderId,
+            source: {
+                values: {
+                    value: image,
+                    contentType: 'image/jpeg'
+                }
+            }
+        });
+
+        attachments.push(attachment);
+    }
+
+    await processingMessage.editMessage({ attachment: attachments });
+
+    return next();
+});