function __construct(Lecture $lecture)
 {
     $this->id = $lecture->getId();
     $this->title = $lecture->getTitle();
     $this->description = $lecture->getDescription();
     $this->startDate = $lecture->getStartDate();
     $this->endDate = $lecture->getEndDate();
     $this->conferenceId = $lecture->getConferenceId();
     $this->hallId = $lecture->getHall_Id();
     $this->speakerId = $lecture->getSpeaker_Id();
 }
 private static function insert(Lecture $model)
 {
     $db = DatabaseData::getInstance(\RedDevil\Config\DatabaseConfig::DB_INSTANCE);
     $query = "INSERT INTO lectures (Title,Description,StartDate,EndDate,ConferenceId,Hall_Id,Speaker_Id) VALUES (:Title, :Description, :StartDate, :EndDate, :ConferenceId, :Hall_Id, :Speaker_Id);";
     $result = $db->prepare($query);
     $result->execute([':Title' => $model->getTitle(), ':Description' => $model->getDescription(), ':StartDate' => $model->getStartDate(), ':EndDate' => $model->getEndDate(), ':ConferenceId' => $model->getConferenceId(), ':Hall_Id' => $model->getHall_Id(), ':Speaker_Id' => $model->getSpeaker_Id()]);
     $model->setId($db->lastInsertId());
 }