66 lines
2.6 KiB
JavaScript
66 lines
2.6 KiB
JavaScript
/*
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* To change this license header, choose License Headers in Project Properties.
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* To change this template file, choose Tools | Templates
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* and open the template in the editor.
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*/
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define(['jquery', 'backbone'],
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function ($, Backbone) {
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var Cache = {
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convertToDate: function (mysql_string)
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{
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if (typeof mysql_string === 'string')
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{
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var t = mysql_string.split(/[- :]/);
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//when t[3], t[4] and t[5] are missing they defaults to zero
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return new Date(t[0], t[1] - 1, t[2], t[3] || 0, t[4] || 0, t[5] || 0);
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}
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return null;
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},
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prefix: "cacheItem",
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get: function (name) {
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var item = window.localStorage.getItem(this.prefix + name);
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if(item === null)
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return null;
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item = JSON.parse(item);
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return item.storeValue;
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},
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set: function (name, value) {
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window.localStorage.setItem(this.prefix + name, JSON.stringify({setTime: new Date(), storeValue: value}));
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},
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isExpired: function (name, timeDiff) {
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var item = window.localStorage.getItem(this.prefix + name);
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if(item === null)
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return true;
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item = JSON.parse(item);
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var time = item.setTime;
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if(timeDiff.getTime() > Date.parse(time))
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return true;
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return false;
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},
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checkCacheFromServer: function ()
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{
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var self = this;
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$.ajax({
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url: myManifest.Settings.DefaultURL + "/api/profile/statusCache",
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//dataType: "json",
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type: 'GET',
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success: function (msg) {
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$(msg).each(function (index, element) {
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var elemName = "Category" + element.ID_CATEGORIA;
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if (self.isExpired(elemName, self.convertToDate(element.LastDateModified)))
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{
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self.set(elemName, null);
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}
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});
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}
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});
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}
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};
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return Cache;
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}); |