71 lines
2.4 KiB
TypeScript
71 lines
2.4 KiB
TypeScript
import {Command} from "../base/command";
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import {Message} from "typescript-telegram-bot-api";
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import {extractMessagePayload, logError, replyToMessage} from "../util/utils";
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import {bot, botUser} from "../index";
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import QRCode from "qrcode";
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export class Qr extends Command {
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argsMode = "optional" as const;
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title = "/qr";
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description = "Generates QR-code from text you sent or replied to.";
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async execute(msg: Message, match?: RegExpExecArray): Promise<void> {
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const chatId = msg.chat.id;
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let payload = extractMessagePayload(msg, match?.[3]);
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if (!payload) {
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await replyToMessage(
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{
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message: msg,
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text: "Не найден текст для генерации QR-кода."
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}
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);
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return;
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}
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// TODO: 16/02/2026, Danil Nikolaev: escape html symbols in payload
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if (payload.length > 1500) {
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payload = payload.slice(0, 1500);
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await replyToMessage(
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{
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message: msg,
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text: `Слишком длинный текст для QR (${payload.length} символов). Текст будет обрезан до 1500 символов.`
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}
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);
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}
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try {
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await bot.sendChatAction({chat_id: chatId, action: "upload_photo"});
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const pngBuffer = await QRCode.toBuffer(payload, {
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type: "png",
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errorCorrectionLevel: "L",
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margin: 2,
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scale: 8,
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});
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const maxCaptionLength = botUser.is_premium ? 4096 : 1024;
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await bot.sendPhoto({
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chat_id: chatId,
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photo: pngBuffer,
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caption: "QR-код готов ✅\nСодержимое:\n<blockquote expandable>" +
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`${payload.length > maxCaptionLength ? payload.slice(0, maxCaptionLength - 40) + "..." : payload}` +
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"</blockquote>",
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reply_parameters: {
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message_id: msg.message_id,
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},
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parse_mode: "HTML"
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});
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} catch (e) {
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await replyToMessage({
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message: msg,
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text: `Не получилось сгенерировать QR: ${e?.message ?? String(e)}`
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}).catch(logError);
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}
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}
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} |