linkDB(); $sql = "SELECT * FROM voucher ORDER BY valid_until DESC;"; try { $sth = $pdo->prepare($sql); $sth->execute(); return $sth->fetchAll(\PDO::FETCH_ASSOC); } catch (PDOException $e) { new \Blog\Library\ErrorMsg("Fehler beim Lesen der Gutscheine.", $e); die; } } public function getGutschein($id) { $pdo = $this->linkDB(); $sql = "SELECT * FROM voucher WHERE voucher_id = :id;"; $params = [":id" => $id]; try { $sth = $pdo->prepare($sql); $sth->execute($params); return $sth->fetch(\PDO::FETCH_ASSOC); } catch (PDOException $e) { new \Blog\Library\ErrorMsg("Fehler beim Lesen des Gutscheins.", $e); die; } } public function createGutschein($data) { $pdo = $this->linkDB(); $sql = "INSERT INTO voucher (code, discount, event_id, valid_until) VALUES (:code, :discount, :event_id, :valid_until);"; $params = [ ":code" => $data['code'], ":discount" => $data['discount'], ":event_id" => $data['event_id'], ":valid_until" => $data['valid_until'] ]; try { $sth = $pdo->prepare($sql); $sth->execute($params); return $sth; } catch (PDOException $e) { new \Blog\Library\ErrorMsg("Fehler beim Erstellen des Gutscheins.", $e); die; } } public function updateGutschein($id, $data) { $pdo = $this->linkDB(); $sql = "UPDATE voucher SET code = :code, discount = :discount, event_id = :event_id, valid_until = :valid_until WHERE voucher_id = :id;"; $params = [ ":code" => $data['code'], ":discount" => $data['discount'], ":event_id" => $data['event_id'], ":valid_until" => $data['valid_until'], ":id" => $id ]; try { $sth = $pdo->prepare($sql); $sth->execute($params); } catch (PDOException $e) { new \Blog\Library\ErrorMsg("Fehler beim Aktualisieren des Gutscheins.", $e); die; } } public function deleteGutschein($id) { $pdo = $this->linkDB(); $sql = "DELETE FROM voucher WHERE voucher_id = :id;"; $params = [":id" => $id]; try { $sth = $pdo->prepare($sql); $sth->execute($params); } catch (PDOException $e) { new \Blog\Library\ErrorMsg("Fehler beim Löschen des Gutscheins.", $e); die; } } }