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carnival.js
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carnival.js
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/*
*
* This file is part of Barnacler.
*
* Copyright 2012 Paul Rosenfeld
*
* This code is released under a GPLv3 license. See the COPYING and LICENSE
* files in this directory for more details.
*
*/
hack_pagination = function() {
/*
// this is an alternate (and more direct method of doing the same thing)
sailingResultsMgr.GetResults({pageNumber:1, pageSize:"100"})
return;
*/
var changeIdx = 3;
var pagination_elem = $("select#sel-sortcount");
pagination_elem.change(function() {
console.log("change triggered", $("select#sel-sortcount").val());
});
console.log("set 100 per page");
pagination_elem[0][changeIdx].value="100";
console.log("change selection")
pagination_elem.attr('selectedIndex',changeIdx);
console.log("executing .change()");
pagination_elem.change();
}
extract_meaty_bits = function() {
var day_regex =/(\d+)\s+Day\s+[A-z ]+\s+from\s+([A-z, ()]+)/g
var all_results = []
var main_block = $("li.search-results-item");
main_block.each(function(x,e) {
var results = {}
results["ports"] = [];
results["price"] = [];
results["date"] = [];
$(e).css("border", "3px solid red");
$(e).find("table.content.left").each(function(i,y2) {
$(y2).find("a.departurePort").each(function(j,y) {
results["departurePort"] = $(y).text();
$(y).css("background-color", "#ccffcc");
});
$(y2).find("a.ship").each(function(j,y) {
results["ship"] = $(y).text();
$(y).css("background-color", "#ccffcc");
});
$(y2).find("a.ports").each(function(j,y) {
results["ports"].push($(y).text());
$(y).css("background-color", "#ccffcc");
});
$(y2).find("h3").each(function(j, y) {
$(y).css("border", "3px solid green")
var day_location = $(y).text();
day_location = day_location.replace("<br>","")
console.log("'"+day_location+"'");
results["day_location"] = day_location;
});
$(e).find("a.book").each(function(i,y) {
var row = $(y).parent().parent();
row.css("border", "3px solid blue");
row.find("span.date", "li.dates").each(function(j,z) {
$(z).css("background-color", "#ccccff");
results["date"].push($(z).text());
});
row.find("li.interior").each(function(j,z) {
$(z).css("background-color", "#ccffcc");
results["price"].push($(z).text());
});
});
});
all_results.push(results)
});
return all_results;
};
var casper = require("casper").create();
print_error = function(msg, backtrace) {
this.echo("=========================");
this.echo("PAGE.ERROR:");
this.echo(msg);
this.echo(backtrace);
this.echo("=========================");
}
casper.on('remote.message', function(msg) {
this.echo('remote message caught: ' + "'"+msg+"'");
})
casper.on("page.error", print_error);
casper.on("error", print_error);
var fs = require("fs");
var util = require("utils");
var output_filename = "json_data/data.json";
var URL = "http://www.carnival.com/BookingEngine/SailingSearch/Search2/?dat=062013,052013,042013,032013,022013,012013,122012&datTo=062013&numGuests=2&dur=D2&dest=C&StateCode=MD&PastGuest=Y&PGEnable=Y";
//#URL="http://www.google.com";
casper.start(URL, function() {
this.echo("Started");
var x = this.evaluate(function() {
return jQuery;
});
if (x) {
this.echo("jQuery is loaded");
}
if(casper.cli.has(0)) {
output_filename = this.cli.get(0);
}
this.echo("Writing data to file: '"+output_filename+"'");
});
casper.waitWhileVisible("#SearchResultsLoader");
casper.wait(1000, function() {
this.capture("carnival_pre.png");
this.echo("Changing pagination to 100 per page");
this.evaluate(hack_pagination);
this.capture("carnival_page.png");
});
//casper.waitUntilVisible("div.results5");
casper.waitUntilVisible("ul.pagination");
casper.then(function() {
this.echo("OK, all results loaded");
});
casper.wait(500, function() {
var all_results_from_page = this.evaluate(extract_meaty_bits);
fs.write(output_filename, JSON.stringify(all_results_from_page), 'w')
this.echo("wrote output file '"+output_filename+"'");
this.capture("carnival.png");
/*
this.echo(this.fetchText("table.content.left"));
//this.echo(this.fetchText("a.ship"));
//this.echo(this.fetchText("span.price"));
//li.search-results-item"))
results = this.evaluate(function() {
var elements = __utils__.findAll("li.search-results-item");
return Array.prototype.map.call(elements, function(e) {
return e.innerText;
});
});
this.echo("Found "+results.length)
this.echo(JSON.stringify(results));
*/
});
casper.run()