$search_results = array();
$gcourse_code = "";
$gtitle = "";
$gtags = "";
$gdescr = "";
/*foreach($ACTIONS as $key => $val)
if($val->wasCalled())
$action = $key;*/
/**
Identify course, populate fields
*/
if ($ACTIONS['search']->wasCalled()) {
$params = $ACTIONS['search']->getParams();
$gcourse_code = $gtitle = $params[0];
$crs = new CourseDefn($gtitle);
if (!$crs->load()) {
Error::generate(Error::$PRIORITY['warn'], 'Course not found.');
}
$gdescr = $crs->descr;
$tags = split('[,]', $gtags);
$procd_descr = process_description($gdescr);
foreach ($procd_descr as $descr) {
array_push($search_results, array('subject' => $descr, 'google' => google_search($descr), 'youtube' => youtube_search($descr, $tags), 'itunesu' => itunesu_search($descr), 'khanacad' => khanacad_search($descr)));
}
}
/* else if(isset($_POST['save_name'])) {
$crs = new Course( urlencode($_POST['save_name']), urlencode($_POST['course_prof']),
$_SESSION['google'], $_SESSION['youtube']);
$crs->save();
} else if(isset($_GET['course'])) {
$crs = new Course($_GET['course'], $_GET['prof'], null, null);
header("Connection:");
header("Content-length:");
echo "Could not vote.";
} else {
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Content-Type: text/html");
header("Connection:");
header("Content-length:");
echo "Vote successful.";
Error::generate('debug', 'memcached delete ' . $params['cid']);
$p = (int) $params['id'];
$crs = new CourseDefn($p);
$success = $crs->load();
$memcached->delete($crs->cid);
}
}
} else {
if ($action == 'post') {
// post a comment
if (!$params['owner'] || !User::IsAuthenticated()) {
//check_perms(false);
Error::generate('warn', 'Must be logged in to post a comment.', Error::$FLAGS['single']);
die('Must be logged in to post a comment.');
} else {
if (!($cid = Comment::Create(array('subject' => xssfilterstring($params['subject']), 'body' => xssfilterstring($params['body']), 'owner' => User::GetAuthenticatedID(), 'id' => xssfilterint($params['cid']))))) {
Error::generate('warn', 'Could not create comment.', Error::$FLAGS['single']);
}
}
<?php
}
?>
<div id="sidebar_course_similarities">Similar courses:</div>
<div id="sidebar_similarities_tagcloud_hidden" class="hidden">
<?php
$ctr = 0;
Error::setPrepend($similarities);
Error::generate('debug', 'Similarity array');
$topn = 10;
// limit to $topn top results
foreach ($similarities as $k => $v) {
if (++$ctr == $topn) {
break;
}
// limit to $topn top results
$id = intval($k);
$subj = ucfirst(Comment::GetSubject($id));
$crs = new CourseDefn($subj);
$crs->load();
$hrefid = $crs->id;
// cloudinizr javascript is in template_end
for ($i = 0; $i < (double) $similarities[$k] * 10; $i++) {
echo strtoupper("{$subj} ");
}
}
?>
</div>
<div id="sidebar_similarities_tagcloud"> </div>
</div>