smartcache/ts/smartcache.classes.smartcache.ts

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2018-07-12 19:32:20 +00:00
import * as plugins from './smartcache.plugins';
import { CacheManager } from './smartcache.classes.cachemanager';
export class SmartCache {
private _cacheManager = new CacheManager();
async cacheReturn(asyncCachedFuncArg: () => Promise<any>, cacheDuration: number = 5000) {
let callStack: string = new plugins.smarterror.SmartError('').cleanFullStack;
let callHash = plugins.nodehash.sha256FromStringSync(callStack);
console.log(callHash);
if(this._cacheManager.cacheExists(callHash) && await this._cacheManager.waitForCacheReady(callHash) && this._cacheManager.stillValid(callHash)) {
return this._cacheManager.getCache(callHash).cachedObject;
} else {
this._cacheManager.announceCache(callHash, cacheDuration);
let newCachedObject = await asyncCachedFuncArg()
this._cacheManager.setCache(callHash, newCachedObject, cacheDuration);
return newCachedObject;
}
}
}