function SaveRating()
{
if (!Member::currentUserID()) {
return Security::permissionFailure($this);
}
$rating = '';
$TalkID = '';
if (isset($_GET['rating']) && is_numeric($_GET['rating'])) {
$rating = $_GET['rating'];
}
if (isset($_GET['id']) && is_numeric($_GET['id'])) {
$presentationID = $_GET['id'];
}
$Member = member::currentUser();
$validRatings = array(-1, 0, 1, 2, 3);
if ($Member && isset($rating) && in_array((int) $rating, $validRatings, true) && $presentationID) {
$previousVote = PresentationVote::get()->filter(array('PresentationID' => $presentationID, 'MemberID' => $Member->ID))->first();
$presentation = Presentation::get()->byID($presentationID);
$CategoryID = Session::get('CategoryID');
if (!$previousVote) {
$vote = new PresentationVote();
$vote->PresentationID = $presentationID;
$vote->Vote = $rating;
$vote->IP = $this->ClientIP();
$vote->MemberID = $Member->ID;
$vote->write();
$this->redirectBack();
} else {
$previousVote->Vote = $rating;
$previousVote->IP = $this->ClientIP();
$previousVote->write();
$this->redirectBack();
}
} else {
return 'no rating saved.';
}
}
