$memberID = null;
$processed = false;
$submissionKey = null;
$error = false;
$errorCode = 0;
try {
$dbConnection = DatabaseUtilities::getDatabaseConnection();
//Get the current user's ID and details.
$memberID = LoginController::getLoggedInMemberID($dbConnection);
if ($memberID == null) {
header("Location: login.php");
exit;
} else {
if (isset($_GET['advertisementID'])) {
$advertisementID = $_GET['advertisementID'];
$memberDetails = MemberController::getMemberDetails($memberID, $dbConnection);
//If member details or advertisement ID cannot be obtained then do not continue.
if ($memberDetails != null && $advertisementID != null) {
//Check that the user has the priviledge to edit the advertisement.
$advertisementDetails = AdvertisementController::getAdvertisementForEdit($advertisementID, $memberID, $dbConnection);
//If the advertisementDetails object is null then the user does not have the permissions to edit it.
if ($advertisementDetails != null) {
$advertisementGenres = AdvertisementGenreController::getAdvertisementGenres($advertisementID, $dbConnection);
$advertisementPositions = AdvertisementPositiionController::getAdvertisementPositions($advertisementID, $dbConnection);
//Encrypt values to be validated on update.
$advertisementKey = EncryptionUtilities::encryptString($advertisementID . $memberID);
$memberIDEncrypted = EncryptionUtilities::encryptString($memberID);
//Generate a submission key to be used upon update.
$submissionKey = MemberSubmissionController::generateSubmissionKey($memberID, $dbConnection);
$processed = true;
}