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import SearchQuery from '@js/Search/Query/SearchQuery';
import Url from 'url-parse';
import TabManager from '@js/Manager/TabManager';
import SearchIndex from '@js/Search/Index/SearchIndex';
import EventQueue from '@js/Event/EventQueue';
class RecommendationManager {
get listen() {
return this._change;
}
constructor() {
this._change = new EventQueue();
this._tabEvent = (tab) => {
if(!tab.hasOwnProperty('recommended') || tab.lastUrl !== tab.url) {
this._updateRecommended(tab);
} else {
this._change.emit(tab.recommended);
}
};
this._searchEvent = () => {
this._clearRecommended(TabManager.getAll());
let tab = TabManager.get();
if(tab) {
this._updateRecommended(tab);
}
};
}
init() {
TabManager.tabChanged.on(this._tabEvent);
TabManager.urlChanged.on(this._tabEvent);
SearchIndex.listen.on(this._searchEvent);
}
/**
*
* @returns {Password[]}
*/
getRecommendations() {
if(!TabManager.has('recommended')) return [];
return TabManager.get('recommended');
}
/**
*
* @return {Boolean}
*/
hasRecommendations() {
return TabManager.has('recommended');
}
/**
* @param {String} url
* @param {Boolean} incognito
* @return {Password[]}
*/
getRecommendationsByUrl(url, incognito = false) {
url = Url(url);
if(url.host.length === 0) return [];
let query = new SearchQuery('or');
query
.where(
query.field('host').equals(url.host),
query.field('url').contains(url.pathname.length > 1 ? url.host + url.pathname:url.host)
)
.type('password')
.score(0.3)
.limit(8)
.sortBy('favorite')
.sortBy('uses')
.sortBy('shared')
.sortBy('score')
.sortBy('label');
if(incognito) query.hidden(true);
return query.execute();
}
/**
*
* @param {Object} tab
* @private
*/
_updateRecommended(tab) {
delete tab.recommended;
let recommendations = this.getRecommendationsByUrl(tab.url, tab.tab.incognito);
if(recommendations.length !== 0) {
tab.recommended = recommendations;
}
this._change.emit(recommendations);
}
/**
*
* @param {Object[]} tabs
* @private
*/
_clearRecommended(tabs) {
for(let tab of tabs) {
if(tab && tab.hasOwnProperty('recommended')) {
delete tab.recommended;
}
}
}
}
export default new RecommendationManager();
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