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124 lines
3.7 KiB
124 lines
3.7 KiB
function getCookie(name) {
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var cookieValue = null;
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if (document.cookie && document.cookie !== '') {
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var cookies = document.cookie.split(';');
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for (var i = 0; i < cookies.length; i++) {
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var cookie = cookies[i];
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// Does this cookie string begin with the name we want?
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if (cookie.substring(0, name.length + 1) === (name + '=')) {
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cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
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break;
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}
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}
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}
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return cookieValue;
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}
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function get_price() {
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$.ajax({
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url: "/dtys/info/",
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method: "GET",
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// beforeSend: function(xhr) {
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// // var csrftoken = getCookie("csrftoken");
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// // if (csrftoken) {
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// // xhr.setRequestHeader("X-CSRFToken", csrftoken);
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// // }
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// },
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success: function(data, textStatus, jqXHR) {
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// console.log("DTYS data", data);
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if (data.dtys_list.length > 0) {
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var active = data.dtys_list;
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active.forEach(function(i, idx, list) {
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var product = $("#dtys_product_" + i.id);
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var add_to_cart_btn = product.find(".add-to-cart");
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var fake_add_to_cart_btn = product.find(".fake-add-to-cart");
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if (i.stopped) {
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product.addClass("stopped");
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fake_add_to_cart_btn.show();
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add_to_cart_btn.hide();
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} else {
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product.removeClass("stopped");
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product.find(".price").text(i.current_price);
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fake_add_to_cart_btn.hide();
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add_to_cart_btn.show();
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}
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});
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}
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},
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error: function(jqXHR, textStatus, errorThrow) {
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console.log("что-то пошло не так, сервер не отвечает");
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}
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});
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};
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var Updater = function(){
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this.params = {
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period: 3000,
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url: '',
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onModified: function(data,x,modified){},
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bgPause: false
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};
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this.interval = null;
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this.ETag = '';
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this.lastModified = '';
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this.init = function(params){
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var me = this;
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this.params = $.extend(this.params, params);
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if(this.params.bgPause){
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$(window).blur(function(){ me.pause() });
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$(window).focus(function(){ me.resume() });
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}
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};
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this.start = function(){
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var me = this;
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this.interval = setInterval(function(){ me.doUpdate() }, this.params.period);
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};
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this.doUpdate = function(){
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var me = this;
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$.ajax(this.params.url, {
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success: function(data,status,x){
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if(me.ETag != x.getResponseHeader('ETag')){
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me.params.onModified(data,x,me.lastModified);
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me.lastModified = x.getResponseHeader('Last-Modified');
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}
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me.ETag = x.getResponseHeader('ETag');
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},
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beforeSend: function(x){
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if(me.ETag != '') { x.setRequestHeader('If-None-Match', me.ETag); }
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},
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cache: false
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});
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};
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this.pause = function(){
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clearInterval(this.interval);
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this.interval = null;
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};
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this.resume = function(){
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if(this.interval != null) return;
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this.start();
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};
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};
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$(function(){
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var upd = new Updater();
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upd.init({
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url: "/dtys/etg/",
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onModified: function(data, x, modified) {
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get_price();
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console.log(data, x, modified);
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}
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});
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upd.start();
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});
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