/**
* Returns an instance of class.
*
* @return SLIDESHOW_BOL_SlideDao
*/
public static function getInstance()
{
if (self::$classInstance === null) {
self::$classInstance = new self();
}
return self::$classInstance;
}
/**
* Removes slide and its image
*
* @param $slideId
*/
public function deleteSlideById($slideId)
{
if (!$slideId) {
return false;
}
$slide = $this->findSlideById($slideId);
if (!$slide) {
return false;
}
$storage = OW::getStorage();
$path = $this->getImageDir($slide->id, $slide->widgetId, $slide->addStamp, $slide->ext);
if ($storage->fileExists($path)) {
$storage->removeFile($path);
}
$this->slideDao->deleteById($slide->id);
return true;
}
