public function searchAdvertisements($advertisementSearchParameters, $dbConnection = null)
{
$advertisementsList = null;
$preparedStatement = null;
try {
$advertisementSearchQuery = null;
$advertisementIDQuery = null;
if ($dbConnection == null) {
$dbConnection = DatabaseUtilities::getDatabaseConnection();
}
$advertisementIDQuery = "SELECT DISTINCT AD.ADVERTISEMENT_ID FROM advertisement AD WHERE 1 = 1";
$advertisementIDQuery .= AdvertisementSearchDao::getAdvertisementSearchWhereClause($advertisementSearchParameters);
$advertisementSearchQuery = AdvertisementSearchDao::ADVERTISEMENT_SEARCH_SELECT;
$advertisementSearchQuery .= " AND AD.ADVERTISEMENT_ID IN (" . $advertisementIDQuery . ")\n\t\t\t\t\t\t\t\t\t\t\t\tORDER BY AD.CREATED_DATE DESC\n\t\t\t\t\t\t\t\t\t\t\t\tLIMIT :pagingAmount OFFSET :startingPoint";
$preparedStatement = AdvertisementSearchDao::getAdvertisementSearchPreparedStatement($advertisementSearchQuery, $advertisementSearchParameters, $dbConnection);
//Add paging parameters.
$startingPoint = 0;
$currentPage = $advertisementSearchParameters->getVariable(SearchConstants::CURRENT_PAGE_ID);
$pagingAmount = $advertisementSearchParameters->getVariable(SearchConstants::PAGING_AMOUNT_ID);
if ($currentPage > 1) {
$startingPoint = ($currentPage - 1) * $pagingAmount;
}
$pagingAmount = (int) $pagingAmount;
$startingPoint = (int) $startingPoint;
$preparedStatement->bindParam(":pagingAmount", $pagingAmount, PDO::PARAM_INT);
$preparedStatement->bindParam(":startingPoint", $startingPoint, PDO::PARAM_INT);
$preparedStatement->execute();
while ($result = $preparedStatement->fetch()) {
$advertisement = AdvertisementSearchDao::extractAdvertisementSearchObject($result);
if ($advertisement !== null) {
$advertisementsList[] = $advertisement;
}
}
$preparedStatement = null;
} catch (Exception $ex) {
echo $ex->getMessage();
$advertisementsList = null;
}
$preparedStatement = null;
return $advertisementsList;
}
