52 lines
1.4 KiB
JavaScript
52 lines
1.4 KiB
JavaScript
import fetch from "node-fetch";
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import sharp from "sharp";
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import RedisUtils from "../../../../src/utils/redisUtils";
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const KEY = "BS_MAP_ART_";
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/**
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*
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* @param {Request} req
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* @param {Response} res
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* @returns
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*/
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export default async function handler(req, res) {
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const mapHash = req.query.hash.replace("custom_level_", "").toLowerCase();
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const ext = req.query.ext || "jpg";
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const exists = await RedisUtils.exists(`${KEY}${mapHash}`.replace(" ", ""));
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if (exists) {
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const data = await RedisUtils.getValue(`${KEY}${mapHash}`);
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const buffer = Buffer.from(data, "base64");
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res.writeHead(200, {
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"Content-Type": "image/" + ext,
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"Content-Length": buffer.length,
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"Cache-Status": "hit",
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});
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return res.end(buffer);
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}
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const before = Date.now();
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const data = await fetch(`https://eu.cdn.beatsaver.com/${mapHash}.${ext}`);
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if (data.status === 404) {
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return res.status(404).json({
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status: 404,
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message: "Unknown Map Hash",
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});
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}
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let buffer = await data.buffer(); // Change to arrayBuffer at some point to make it shush
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buffer = await sharp(buffer).resize(400, 400).toBuffer();
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const bytes = buffer.toString("base64");
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await RedisUtils.setValue(`${KEY}${mapHash}`.replace(" ", ""), bytes);
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console.log(
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`[Cache]: Cached BS Song Art for hash ${mapHash} in ${
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Date.now() - before
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}ms`
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);
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res.setHeader("Cache-Status", "miss");
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res.setHeader("Content-Type", "image/" + ext);
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res.status(200).send(buffer);
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}
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