46 lines
1.8 KiB
TypeScript
46 lines
1.8 KiB
TypeScript
import fs from 'fs';
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import { globalMemoryStorage, songData, songNameCache } from '@core/server/cache.js';
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import { getDirectoryHash } from '../dirHash';
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import { safePath } from '../safePath';
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const dataPath = './data/song/';
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export async function loadData() {
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const LastLoaded: number | undefined = globalMemoryStorage.get('lastLoadData');
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const LastHash: string | undefined = globalMemoryStorage.get('lastDataDirHash');
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const currentTime = new Date().getTime();
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const currentHash = getDirectoryHash(dataPath);
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// Already loaded.
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if (LastLoaded && LastHash && currentTime - LastLoaded < 120 * 1000 && currentHash === LastHash) {
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return;
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}
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const songList = fs
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.readdirSync(dataPath)
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.map((fileName) => {
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if (fileName.endsWith('.json')) return fileName.slice(0, fileName.length - 5);
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else return null;
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})
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.filter((fileName) => fileName !== null);
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songData.flushAll();
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songNameCache.flushAll();
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for (const songID of songList) {
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try {
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const normPath = safePath(songID + '.json', { base: dataPath });
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if (!normPath) {
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console.error(`[load-song-data] Invalid path for song ID ${songID}`);
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continue;
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}
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const fileContentString = fs.readFileSync(normPath).toString();
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const data = JSON.parse(fileContentString);
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songData.set(songID, data);
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const metadata: MusicMetadata = data;
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songNameCache.set(metadata.name, metadata);
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} catch {
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console.error(`[load-song-data] Could not load song ID ${songID}`);
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}
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}
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globalMemoryStorage.set('lastLoadData', new Date().getTime());
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globalMemoryStorage.set('lastDataDirHash', getDirectoryHash(dataPath));
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}
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