73 lines
2.2 KiB
JavaScript
73 lines
2.2 KiB
JavaScript
// Copyright (c) 2018 Dominic Masters
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//
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// MIT License
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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const NodeCache = require('node-cache');
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class CacheStore {
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constructor(app, ttl) {
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if(!ttl) ttl = 60*60;
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this.app = app;
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this.store = new NodeCache({
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stdTTL: ttl,
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checkperiod: ttl * 0.2,
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useClones: false
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});
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}
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getApp() {return this.app;}
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getStore() {return this.store;}
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getDatabase() {return this.app.getDatabase();}
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async get(key, prom) {
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let value = this.store.get(key);
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if(typeof value !== typeof undefined) return value;
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value = await prom();
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this.store.set(key, value);
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return value;
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}
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del(keysOrKey) {
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let keys = keysOrKey;
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if(!Array.isArray(keysOrKey)) keys = [keys];
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this.store.del(keys);
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}
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flush() {
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this.store.flushAll();
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}
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//Database related stores
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async getFromDatabase(key, query, params, method) {
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if(typeof params === typeof undefined) params = {};
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if(typeof method === typeof undefined) method = "any";
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return await this.get(key, async () => {
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return await this.getDatabase()[method](query, params);
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});
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}
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}
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module.exports = CacheStore;
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