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Add config, increase cache TTL, use async file reads

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This commit is contained in:
Cohee
2025-03-15 19:43:26 +02:00
parent b8f8be8cf9
commit 684ee98168
3 changed files with 9 additions and 6 deletions
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2
default/config.yaml
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@ -140,6 +140,8 @@ performance:
lazyLoadCharacters: false lazyLoadCharacters: false
# The maximum amount of memory that parsed character cards can use. Set to 0 to disable memory caching. # The maximum amount of memory that parsed character cards can use. Set to 0 to disable memory caching.
memoryCacheCapacity: '100mb' memoryCacheCapacity: '100mb'
# Enables disk caching for character cards. Improves performances with large card libraries.
useDiskCache: false
# Allow secret keys exposure via API # Allow secret keys exposure via API
allowKeysExposure: false allowKeysExposure: false

6
src/character-card-parser.js
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@ -81,14 +81,14 @@ export const read = (image) => {
* Parses a card image and returns the character metadata. * Parses a card image and returns the character metadata.
* @param {string} cardUrl Path to the card image * @param {string} cardUrl Path to the card image
* @param {string} format File format * @param {string} format File format
* @returns {string} Character data * @returns {Promise<string>} Character data
*/ */
export const parse = (cardUrl, format) => { export const parse = async (cardUrl, format) => {
let fileFormat = format === undefined ? 'png' : format; let fileFormat = format === undefined ? 'png' : format;
switch (fileFormat) { switch (fileFormat) {
case 'png': { case 'png': {
const buffer = fs.readFileSync(cardUrl); const buffer = await fs.promises.readFile(cardUrl);
return read(buffer); return read(buffer);
} }
} }

7
src/endpoints/characters.js
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@ -30,7 +30,7 @@ const memoryCache = new MemoryLimitedMap(memoryCacheCapacity);
const isAndroid = process.platform === 'android'; const isAndroid = process.platform === 'android';
// Use shallow character data for the character list // Use shallow character data for the character list
const useShallowCharacters = !!getConfigValue('performance.lazyLoadCharacters', false, 'boolean'); const useShallowCharacters = !!getConfigValue('performance.lazyLoadCharacters', false, 'boolean');
const useDiskCache = true; // !!getConfigValue('performance.useDiskCache', false, 'boolean'); const useDiskCache = !!getConfigValue('performance.useDiskCache', false, 'boolean');
const diskCache = { const diskCache = {
/** /**
@ -48,7 +48,8 @@ const diskCache = {
} }
const cacheDir = path.join(globalThis.DATA_ROOT, '_cache', 'characters'); const cacheDir = path.join(globalThis.DATA_ROOT, '_cache', 'characters');
this._instance = storage.create({ dir: cacheDir, ttl: true }); const ttl = 7 * 24 * 60 * 60 * 1000; // 7 days
this._instance = storage.create({ dir: cacheDir, ttl: ttl });
await this._instance.init(); await this._instance.init();
return this._instance; return this._instance;
}, },
@ -73,7 +74,7 @@ async function readCharacterData(inputFile, inputFormat = 'png') {
} }
} }
const result = parse(inputFile, inputFormat); const result = await parse(inputFile, inputFormat);
!isAndroid && memoryCache.set(cacheKey, result); !isAndroid && memoryCache.set(cacheKey, result);
if (useDiskCache) { if (useDiskCache) {
await diskCache.instance().then(i => i.setItem(cacheKey, result)); await diskCache.instance().then(i => i.setItem(cacheKey, result));