spbkit lessons parser

parser.js

var express = require('express');
var request = require('request');
var iconv = require('iconv-lite');
var cheerio = require('cheerio');

var lessons = [];

var app = express();

app.get('/', function(req, res){
	request({ 
	    uri: "http://www.spbkit.edu.ru/index.php?option=com_timetable&Itemid=82",
	    method: 'GET',
	    encoding: 'binary'
	}, function(error, response, body) {
  		if (!error && response.statusCode == 200) {
	        var result = iconv.encode (iconv.decode (new Buffer (body, 'binary'), 'win1251'), 'utf8');
	        var $ = cheerio.load(result.toString());

   				var courses = [];
			   	$($('#menus .ui-tabs-nav').html()).each(function(i, val){
			   		if($(val).html())
			   			courses.push($($(val).html()).attr('href'));
			   	});

			   	courses.forEach(function(v, k){
			   	console.log(v);
		       	$(v + ' .ui-tabs-nav li').each(function(i, elem){
		       		var obj = {};
		       		var id = $($(elem).html()).attr('href') || "";
		       		var grp = $($(elem).html()).text();   

		       		if(id.indexOf("#gruppi") != -1 && !Number.isNaN(grp * 1)){
		       			obj.grp = grp;
		       			obj.week = [];

		       			$(v + ' ' + id + ' .timetablediv li a').each(function(i, elem){
							var day = $(elem).attr('href');
							var week = [];

							$(day + ' i').each(function(i, el){
								var table = {};
								var time = $(el).text();
								table.time = time;
								week.push(table);
							});
							$(day + ' b').each(function(i, el){
								var lesson = $(el).text();
								var cls = lesson.slice(lesson.indexOf("(")+1, lesson.indexOf(")")); 
								week[i].lesson = lesson;
								week[i].class = cls;
							});

							obj.week.push(week);						
						});
						lessons.push(obj);
		       		}
		        });
		   	});
	       	res.send(lessons);
  		}
	});
});

app.listen(8080);
console.log("Listening 8080");