mrmBot-Matrix/utils/tempimages.js
2022-07-20 00:59:56 -05:00

69 lines
No EOL
2.4 KiB
JavaScript

import * as logger from "../utils/logger.js";
import { readdir, lstat, rm, writeFile } from "fs/promises";
export async function upload(client, ipc, result, context, interaction = false) {
const filename = `${Math.random().toString(36).substring(2, 15)}.${result.name.split(".")[1]}`;
await writeFile(`${process.env.TEMPDIR}/${filename}`, result.file);
const imageURL = `${process.env.TMP_DOMAIN || "https://tmp.projectlounge.pw"}/${filename}`;
const payload = {
embeds: [{
color: 16711680,
title: "Here's your image!",
url: imageURL,
image: {
url: imageURL
},
footer: {
text: "The result image was more than 8MB in size, so it was uploaded to an external site instead."
},
}]
};
if (interaction) {
await context[context.acknowledged ? "editOriginalMessage" : "createMessage"](payload);
} else {
await client.createMessage(context.channel.id, Object.assign(payload, {
messageReference: {
channelID: context.channel.id,
messageID: context.id,
guildID: context.channel.guild ? context.channel.guild.id : undefined,
failIfNotExists: false
},
allowedMentions: {
repliedUser: false
}
}));
}
if (process.env.THRESHOLD) {
const size = await ipc.centralStore.get("dirSizeCache") + result.file.length;
await ipc.centralStore.set("dirSizeCache", size);
await removeOldImages(ipc, size);
}
}
export async function removeOldImages(ipc, size) {
if (size > process.env.THRESHOLD) {
const files = (await readdir(process.env.TEMPDIR)).map((file) => {
return lstat(`${process.env.TEMPDIR}/${file}`).then((stats) => {
if (stats.isSymbolicLink()) return;
return {
name: file,
size: stats.size,
ctime: stats.ctime
};
});
}).filter(Boolean);
const resolvedFiles = await Promise.all(files);
let newSize = resolvedFiles.filter(Boolean).reduce((a, b) => {
return a + b.size;
}, 0);
const oldestFiles = resolvedFiles.sort((a, b) => a.ctime - b.ctime);
while (newSize > process.env.THRESHOLD) {
if (!oldestFiles[0]) break;
await rm(`${process.env.TEMPDIR}/${oldestFiles[0].name}`);
newSize -= oldestFiles[0].size;
await ipc.centralStore.set("dirSizeCache", newSize);
logger.log(`Removed oldest image file: ${oldestFiles[0].name}`);
oldestFiles.shift();
}
}
}