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<?php |
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/** |
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* @package org.openpsa.slideshow |
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* @author CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @copyright CONTENT CONTROL http://www.contentcontrol-berlin.de/ |
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* @license http://www.gnu.org/licenses/gpl.html GNU General Public License |
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*/ |
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/** |
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* Image DBA class |
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* |
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* @property integer $topic |
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* @property string $title |
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* @property string $description |
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* @property integer $position |
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* @property integer $attachment |
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* @property integer $thumbnail |
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* @property integer $image |
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* @package org.openpsa.slideshow |
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*/ |
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class org_openpsa_slideshow_image_dba extends midcom_core_dbaobject |
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{ |
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const FOLDER_THUMBNAIL = 'folder_thumbnail'; |
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public $__midcom_class_name__ = __CLASS__; |
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public $__mgdschema_class_name__ = 'org_openpsa_slideshow_image'; |
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public function _on_created() |
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{ |
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$this->_check_folder_thumbnail(); |
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} |
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public function _on_updated() |
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{ |
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$this->_check_folder_thumbnail(); |
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} |
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public function _on_deleted() |
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{ |
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$this->_check_folder_thumbnail(); |
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} |
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private function _check_folder_thumbnail() |
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{ |
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if ($this->position > 0) { |
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return; |
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} |
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try { |
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$folder = midcom_db_topic::get_cached($this->topic); |
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} catch (midcom_error $e) { |
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$e->log(); |
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} |
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$folder->delete_attachment(self::FOLDER_THUMBNAIL); |
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} |
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public function load_attachment(string $type) : ?midcom_db_attachment |
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{ |
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try { |
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return new midcom_db_attachment($this->$type); |
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} catch (midcom_error $e) { |
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$e->log(); |
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return null; |
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} |
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} |
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public function generate_image(string $type, string $filter_chain) : bool |
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{ |
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$original = $this->load_attachment('attachment'); |
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if (!$original) { |
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return false; |
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} |
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$is_new = false; |
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$derived = $this->load_attachment($type); |
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if (!$derived) { |
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$is_new = true; |
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$derived = new midcom_db_attachment; |
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$derived->parentguid = $original->parentguid; |
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$derived->title = $original->title; |
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$derived->mimetype = $original->mimetype; |
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$derived->name = $type . '_' . $original->name; |
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} |
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$imagefilter = new midcom_helper_imagefilter($original); |
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$imagefilter->process_chain($filter_chain); |
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if ($is_new) { |
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if (!$derived->create()) { |
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throw new midcom_error('Failed to create derived image: ' . midcom_connection::get_error_string()); |
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} |
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$this->$type = $derived->id; |
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$this->update(); |
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} |
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return $imagefilter->write($derived); |
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} |
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public static function get_folder_thumbnail(midcom_db_topic $folder) : ?midcom_db_attachment |
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{ |
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$thumbnail = $folder->get_attachment(self::FOLDER_THUMBNAIL); |
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if (empty($thumbnail)) { |
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$qb = self::new_query_builder(); |
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$qb->add_constraint('topic', '=', $folder->id); |
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$qb->add_order('position'); |
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$qb->set_limit(1); |
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$results = $qb->execute(); |
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if (empty($results)) { |
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return null; |
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} |
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midcom::get()->auth->request_sudo('org.openpsa.slideshow'); |
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$thumbnail = $results[0]->create_folder_thumbnail(); |
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midcom::get()->auth->drop_sudo(); |
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} |
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return $thumbnail; |
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} |
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public function create_folder_thumbnail() : ?midcom_db_attachment |
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{ |
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$original = $this->load_attachment('attachment'); |
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if (!$original) { |
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return null; |
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} |
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$folder = midcom_db_topic::get_cached($this->topic); |
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$thumbnail = new midcom_db_attachment; |
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$thumbnail->parentguid = $folder->guid; |
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$thumbnail->title = $original->title; |
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$thumbnail->mimetype = $original->mimetype; |
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$thumbnail->name = self::FOLDER_THUMBNAIL; |
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$imagefilter = new midcom_helper_imagefilter($original); |
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$config = midcom_baseclasses_components_configuration::get('org.openpsa.slideshow', 'config'); |
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$filter_chain = $config->get('folder_thumbnail_filter'); |
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$imagefilter->process_chain($filter_chain); |
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if (!$thumbnail->create()) { |
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throw new midcom_error('Failed to create folder thumbnail: ' . midcom_connection::get_error_string()); |
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} |
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if (!$imagefilter->write($thumbnail)) { |
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throw new midcom_error('Failed to write folder thumbnail: ' . midcom_connection::get_error_string()); |
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} |
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return $thumbnail; |
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} |
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public static function get_imagedata(array $images) : array |
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{ |
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$data = []; |
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if (empty($images)) { |
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return $data; |
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} |
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$ids = array_merge(array_column($images, 'attachment'), array_column($images, 'image'), array_column($images, 'thumbnail')); |
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$mc = midcom_db_attachment::new_collector(); |
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$mc->add_constraint('id', 'IN', $ids); |
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$rows = $mc->get_rows(['id', 'name', 'guid'], 'id'); |
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foreach ($images as $image) { |
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if (!isset($rows[$image->attachment], $rows[$image->image], $rows[$image->thumbnail])) { |
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continue; |
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} |
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$orig_data = $rows[$image->attachment]; |
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$image_data = $rows[$image->image]; |
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$thumb_data = $rows[$image->thumbnail]; |
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$data[] = [ |
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'big' => midcom_db_attachment::get_url($orig_data['guid'], $orig_data['name']), |
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'image' => midcom_db_attachment::get_url($image_data['guid'], $image_data['name']), |
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'thumb' => midcom_db_attachment::get_url($thumb_data['guid'], $thumb_data['name']), |
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'title' => (string) $image->title, |
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'description' => (string) $image->description |
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]; |
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} |
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return $data; |
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} |
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} |
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flack /
openpsa
