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crawler.html
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crawler.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset='utf-8'>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Crawler</title>
<link rel="icon" type="image/x-icon" href="assets/images/favicon.ico">
<link rel="stylesheet" href="assets/components/bootstrap/dist/css/bootstrap.min.css">
<link rel="stylesheet" href="assets/css/style.css">
</head>
<body>
<nav class="navbar navbar-toggleable-md navbar-light mb-4">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse"
data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false"
aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="/#">Search Engine</a>
<div class="collapse navbar-collapse" id="navbarCollapse">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="crawler.html">Crawler <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="indexer.html">Indexer</a>
</li>
<li class="nav-item">
<a class="nav-link" href="proxy.html">Proxy Settings</a>
</li>
<li class="nav-item">
<a class="nav-link" href="data/domains.xml">List of sites</a>
</li>
</ul>
</div>
</nav>
<div class="container">
<div class="jumbotron">
<h3>Enter url :</h3>
<form onsubmit="return false">
<div class="form-group">
<div class="input-group mb-2 mr-sm-2 mb-sm-0">
<div class="input-group-addon">http://www.</div>
<input id="domainUrl"
type="text"
class="form-control"
name="url"
title="URL"
value=""
>
</div>
</div>
<button class="btn btn-primary" type="submit" id="crawlBtn">Crawl</button>
<img id="loader" class="hide">
</form>
<br/>
<div class="row">
<div class="col-12">
<b id="status"></b> <span id="statusMessage"></span>
</div>
</div>
</div>
</div>
<div class="container">
<div class="row">
<div class="col-12" id="console">
</div>
</div>
</div>
<footer class="footer">
<div class="container-fluid">
<span class="text-muted"> ALL WORKS © <script type="text/javascript">document.write(new Date().getFullYear())</script> <a target="_blank" href="//shivajivarma.com/?rel=author" rel="author">SHIVAJI VARMA</a></span>
</div>
</footer>
<script type="text/javascript" src="assets/components/jquery/jquery-3.2.1.min.js"></script>
<script type="text/javascript" src="assets/components/tether/dist/js/tether.min.js"></script>
<script type="text/javascript" src="assets/components/bootstrap/dist/js/bootstrap.min.js"></script>
<script type="text/javascript">
var CRAWLER_URL = './api/crawler.api.php';
var $status = $('#status'),
$statusMessage = $('#statusMessage'),
$console = $('#console');
var loader = (function () {
var $loader = $('#loader');
return {
loading: function () {
$loader.attr('src', 'assets/images/preloader.gif');
$loader.removeClass('hide');
},
complete: function () {
$loader.attr('src', 'assets/images/check.png');
$loader.removeClass('hide');
},
hide: function () {
$loader.addClass('hide');
}
}
})();
function status(code, message, type) {
switch (type) {
case 'fetching':
$status.text('Fetching :');
break;
default:
$status.text(code + ' : ');
}
switch (type) {
case 'danger':
$status.addClass('text-danger');
break;
default:
$status.removeClass('text-danger');
}
$statusMessage.text(message);
}
function printToConsole(message) {
$console.append('<p>' + message + '</p>');
$console.scrollTop($console.prop('scrollHeight'));
}
function startCrawlDomain(domainUrl) {
loader.loading();
status('Initialising ', 'Database setting up.');
$console.html('');
$.ajax({
method: "GET",
url: CRAWLER_URL,
data: {'action': 'startCrawlDomain', 'url': domainUrl},
success: function (data) {
if (data.databaseInitialized) {
printToConsole('Database initialized');
printToConsole('Crawling domain :: ' + data.domain.name);
}
crawler(data.domain.name);
},
error: function (jhr) {
status('error', jhr.responseJSON.message, 'danger');
loader.hide();
}
});
}
function crawler(domainName) {
loader.loading();
status('fetching', 'Next url');
$.ajax({
method: "GET",
url: CRAWLER_URL,
data: {'action': 'fetch', 'domainName': domainName},
success: function (data) {
if (data.status === 'fetched') {
printToConsole('<b>Fetched :</b> url( ' + data.link.url + ') id(' + data.link.id + ')');
status('processing', data.link.url);
$.ajax({
method: "GET",
url: CRAWLER_URL,
data: {'action': 'process', 'id': data.link.id, 'domainName': domainName},
success: function (processedData) {
status('processed', data.link.url);
printToConsole('<b>Processed :</b> url( ' + data.link.url + ') id(' + data.link.id + ')');
printToConsole(' Total links on page :: ( ' + processedData.totalLinks + ') | New links :: (' + processedData.totalNewLinks + ')');
var linksStr = '';
processedData.links.forEach(function (link, i) {
linksStr = linksStr + link.id + ' -> ' + link.url + ' <br/>'
});
printToConsole(linksStr);
crawler(domainName)
}
});
} else if (data.status === 'failed') {
printToConsole('<b class="text-danger">Fetch failed for:</b> url( ' + data.link.url + ') id(' + data.link.id + ')');
crawler(domainName)
} else if (data.status === 'complete') {
printToConsole('<b class="text-success">Crawling complete:</b> Total links crawled :: ' + data.count);
loader.complete();
}
}
});
return false;
}
$(document).ready(function () {
var domainUrl = $('#domainUrl').val();
if (domainUrl) {
startCrawlDomain(domainUrl);
}
$('#crawlBtn').on('click', function () {
startCrawlDomain($('#domainUrl').val());
});
});
</script>
</body>
</html>