package.json

{
    "name": "cinemacity.bg",
    "preferGlobal": true,
    "version": "0.1.0",
    "author": "hpstuff <despario@gmail.com>",
    "description": "cinemacity parcer",
    "dependencies" : {
        "request"   :  "",
        "express" : "",
        "iconv" : ""
    },
    "engines": {
        "node": ">=0.6"
    }
}

server.js

var request = require("request");
var express = require('express');
var Iconv  = require('iconv').Iconv;
var app = express();

var urls = {
    cinemas: "http://cinemacity.bg/program_ad_new.php"
};
var patterns = {
	cinemas: /(http\:\/\/cinemacity\.bg\/program_ad_new\.php\?c_id=([0-9]?)*?)\"(?:\s+)?>(.*?)<\/a>/g,
	programURL: /<iframe.+src=\'(.*?)\'/,
	movies: /<tr[\s\S]*?<\/tr>/g,
	movieName: /(?:.*?)>(.*)<\//,
	time: /(?:.*)>(.*?)<\/a/
};
var cinemas = [];
var cinemasById = {};

app.all('*', function(req, res, next){
	if (!req.get('Origin')) return next();
	// use "*" here to accept any origin
	res.set('Access-Control-Allow-Origin', '*');
	res.set('Access-Control-Allow-Methods', 'GET, POST');
	res.set('Access-Control-Allow-Headers', 'X-Requested-With, Content-Type');
	// res.set('Access-Control-Allow-Max-Age', 3600);
	if ('OPTIONS' == req.method) return res.send(200);
	next();
});

app.get("/cinemas", function(req, res){
	if(cinemas.length > 0){
		res.charset = "utf-8";
		res.set('Content-Type', 'application/json');
		res.send(JSON.stringify(cinemas));
	}else{
		requestUrl(urls.cinemas, function(text){
			getCinemas(text);
			res.charset = "utf-8";
			res.set('Content-Type', 'application/json');
			res.send(JSON.stringify(cinemas));
		});
	}
});

app.get("/cinemas/:id/program/:date", function(req, res){
	getCinemaProgram(cinemasById[req.params.id], req.params.date, function(data){
		res.charset = "utf-8";
		res.set('Content-Type', 'application/json');
		res.send(JSON.stringify(data));
	});
});

app.listen(process.env.VCAP_APP_PORT || 3000);


function getCinemas(text){
	var match;
	cinemas.length = 0;
	//console.log(text);
	while(match = patterns.cinemas.exec(text)){
		cinemas.push(cinemasById[match[2]] = {
			id: match[2],
			url: match[1],
			name: match[3]
		});
	}
}

//get cinemas info


//get program urls
function getProgramURLs(cinemas){
	var i = 0;
	for(i; i< cinemas.length; i++){
		getCinemaProgramURL(cinemas[i], function(c){
			console.log(c);
		});
	}
}

function getCinemaProgramURL(cinema, callback){
	requestUrl(cinema.url, function(text){
		cinema.programURL = getProgramURL(text);
		callback(cinema);
	});
}

function getMovies(text){
	var i = 1, k, movies = [], time,
		rows = text.match(patterns.movies), cols;

	for(i; i < rows.length; i++){
		var movie = {};
		cols = rows[i].match(/<td[\s\S]*?<\/td>/g);
		movie.name = cols[0].match(patterns.movieName);
		if(movie.name) movie.name = movie.name[1];
		movie.hours = [];
		for(k = 1; k < cols.length; k++){
			time = cols[k].match(patterns.time);
			if(time) movie.hours.push(time[1]);
		}
		movies.push(movie);
	}
	return movies;
}

function getProgramURL(text){
	var matches = text.match(patterns.programURL);
	if(matches)
		return matches[1];
}

function requestUrl(url, callback){
	request({ url: url, encoding: 'binary' }, function(err, response, body) {
		var iconv;
		body = body.replace(/<!--[^>]*-->/g, "");

		var charset = body.match(/(?:-->.*)?charset=(.*?)(?:'|")/)[1];
		body = new Buffer(body, 'binary');
					
		if(charset.toLowerCase() != "utf-8"){
			iconv = new Iconv(charset, "utf8");
			body = iconv.convert(body);
			body = body.toString();
		}else{
			body = body.toString();
		}

		callback(body);
	});
}

function getNow(){
	var d = new Date();
	return [d.getFullYear(), d.getMonth()+1, d.getDate()].join("-");
}

function getCinemaProgram(cinema, date, callback){

	if(!cinema.programURL){
		getCinemaProgramURL(cinema, function(cinema){
			console.log(cinema);
			getProgram(cinema, date, callback);
		});
	}else{
		getProgram(cinema, date, callback);
	}

}

function getProgram(cinema, date, callback){
	var url;
	url = cinema.programURL.split("&");
	url[1] = "c_data="+(date || getNow());
	url = url.join("&");
	requestUrl(url, function(text){
		callback(getMovies(text));
	});
}