Ansel_Block_Gallery::_getGallery PHP Method

    private function _getGallery($retry = false)
    {
        // Make sure we haven't already selected a gallery.
        if ($this->_gallery instanceof Ansel_Gallery) {
            return $this->_gallery;
        }
        // Get the gallery object and cache it.
        if (isset($this->_params['gallery']) && $this->_params['gallery'] != '__random') {
            $this->_gallery = $GLOBALS['injector']->getInstance('Ansel_Storage')->getGallery($this->_params['gallery']);
        } else {
            $this->_gallery = $GLOBALS['injector']->getInstance('Ansel_Storage')->getRandomGallery();
        }
        // Protect at least a little bit against getting an empty gallery. We
        // can't just loop until we get one with images since it's possible we
        // actually don't *have* any with images yet.
        if ($this->_params['gallery'] == '__random' && !empty($this->_gallery) && !$this->_gallery->countImages() && $this->_gallery->hasSubGalleries() && !$retry) {
            $this->_gallery = null;
            $this->_gallery = $this->_getGallery(true);
        }
        if (empty($this->_gallery)) {
            throw new Horde_Exception_NotFound(_("Gallery does not exist."));
        } elseif (!$this->_gallery->hasPermission($GLOBALS['registry']->getAuth(), Horde_Perms::SHOW) || !$this->_gallery->isOldEnough() || $this->_gallery->hasPasswd()) {
            throw new Horde_Exception_PermissionDenied(_("Access denied viewing this gallery."));
        }
        // Return the gallery.
        return $this->_gallery;
    }