Added CacheStore server side, working with blog on client side more.

private/cache/CacheStore.js

@@ -0,0 +1,68 @@
+// Copyright (c) 2018 Dominic Masters
+//
+// MIT License
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+const NodeCache = require('node-cache');
+
+class CacheStore {
+  constructor(app, ttl) {
+    if(!ttl) ttl = 60*60;
+
+    this.app = app;
+    this.store = new NodeCache({
+      stdTTL: ttl,
+      checkperiod: ttl * 0.2,
+      useClones: false
+    });
+  }
+
+  getApp() {return this.app;}
+  getStore() {return this.store;}
+  getDatabase() {return this.app.getDatabase();}
+
+  async get(key, prom) {
+    let value = this.store.get(key);
+    if(typeof value !== typeof undefined) return value;
+
+    value = await prom();
+    this.store.set(key, value);
+    return value;
+  }
+
+  del(keysOrKey) {
+    let keys = keysOrKey;
+    if(!Array.isArray(keysOrKey)) keys = [keys];
+    this.store.del(keys);
+  }
+
+  //Database related stores
+  async getFromDatabase(key, query, params, method) {
+    if(typeof params === typeof undefined) params = {};
+    if(typeof method === typeof undefined) method = "any";
+
+    return await this.get(key, async () => {
+      return await this.database[method](query, params);
+    });
+  }
+}
+
+module.exports = CacheStore;