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Advanced Query Cache
import Ember from 'ember';
export default Ember.Controller.extend({
appName: 'Ember Twiddle'
});
import Ember from 'ember';
const {
ArrayProxy,
get,
Service,
inject
} = Ember;
/*
Can't trust JSON.stringify() to be consistent
This also isn't quite right but it's close.
*/
function stringify(obj, _isTop = true) {
if (!obj) {
return _isTop ? '-all' : 'null';
}
const keys = Object.keys(options);
let key = '';
keys.sort();
for (let i = 0; i < keys.length; i++) {
let value = keys[i];
if (typeof value !== 'string') {
value = stringify(value, false);
}
key += value;
}
return key;
}
export default Service.extend({
store: inject.service(),
query(type, options) {
let key = `-q${type}:${stringify(options)}`;
if (!this._cache[key]) {
this._cache[key] = this.get('store').query(type, options);
}
return this._cache[key];
},
queryRecord(type, options) {
let key = `-qOne${type}:${stringify(options)}`;
if (!this._cache[key]) {
this._cache[key] = this.get('store').queryRecord(type, options);
}
return this._cache[key];
},
queryLive(type, options) {
return this.query(type, options)
.then((r) => {
const meta = get(r, 'meta');
const content = this.get('store').peekAll(type);
const proxy = ArrayProxy.create({ content, meta });
return proxy;
});
},
init() {
this._super();
this._cache = Object.create(null);
}
});
<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
{
"version": "0.12.1",
"EmberENV": {
"FEATURES": {}
},
"options": {
"use_pods": false,
"enable-testing": false
},
"dependencies": {
"jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
"ember": "2.12.0",
"ember-template-compiler": "2.12.0",
"ember-testing": "2.12.0"
},
"addons": {
"ember-data": "2.12.1"
}
}
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