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<?php |
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/** |
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* Handles different instances of the pictures |
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* |
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* @package Intraface |
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* @author Sune |
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* @version 1.0 |
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*/ |
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class InstanceHandler extends Intraface_Standard |
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{ |
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/** |
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* @var object |
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*/ |
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private $file_handler; |
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/** |
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* @var string |
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*/ |
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private $instance_path; |
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/** |
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* @var integer id |
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*/ |
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private $id; |
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/** |
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* @var object db MDB2 object |
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*/ |
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private $db; |
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/** |
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* Constructor |
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* |
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* @param object $file_handler File handler object |
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* @param integer $id Optional id |
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* |
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* @return void |
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*/ |
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function __construct($file_handler, $id = 0) |
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{ |
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$this->file_handler = $file_handler; |
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$this->id = (int)$id; |
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$this->instance_path = $this->file_handler->getUploadPath().'instance/'; |
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$this->db = MDB2::singleton(DB_DSN); |
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if ($this->file_handler->get('is_image') == 0) { |
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$this->id = 0; |
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} |
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if ($this->id > 0) { |
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$this->load(); |
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} |
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} |
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/** |
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* desctructor |
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*/ |
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public function __destruct() |
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{ |
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unset($this->file_handler); |
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unset($this->instance_path); |
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} |
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/** |
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* Factory |
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* |
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* @param object $file_handler File handler |
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* @param string $type the instance type |
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* @param array $param one or more of crop_width, crop_height, crop_offset_x, crop_offset_y |
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* |
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* @return object |
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*/ |
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function factory($file_handler, $type_name, $param = array()) |
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{ |
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if ((int)$file_handler->get('id') == 0) { |
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throw new Exception("You need a loaded file to create an instance"); |
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} |
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if ($file_handler->get('is_image') == 0) { |
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throw new Exception("File must be a picture"); |
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} |
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$instancehandler = new InstanceHandler($file_handler); |
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$type = $instancehandler->checkType($type_name); |
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if ($type === false) { |
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throw new Exception("Ugyldig type '".$type_name."' i InstanceHandler->factory"); |
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} |
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$db = new DB_sql; |
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$db->query("SELECT id FROM file_handler_instance WHERE intranet_id = ".$file_handler->kernel->intranet->get('id')." AND active = 1 AND file_handler_id = ".$file_handler->get('id')." AND type_key = ".$type['type_key']); |
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if ($db->nextRecord()) { |
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return new InstanceHandler($file_handler, $db->f('id')); |
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} else { |
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$file_handler->createImage(); |
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if (!empty($param['crop_width']) && !empty($param['crop_height'])) { |
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settype($param['crop_offset_x'], 'integer'); |
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settype($param['crop_offset_y'], 'integer'); |
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$file_handler->image->crop($param['crop_width'], $param['crop_height'], $param['crop_offset_x'], $param['crop_offset_y']); |
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// first we filter only crop parameters. |
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$crop_param = array_intersect_key($param, array('crop_width' =>'', 'crop_height' => '', 'crop_offset_x' => '', 'crop_offset_y' => '')); |
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$crop_param_string = serialize($crop_param); |
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} else { |
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$crop_param_string = serialize(array()); |
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} |
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$file = $file_handler->image->resize($type['max_width'], $type['max_height'], $type['resize_type']); |
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if (!is_file($file)) { |
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throw new Exception("Filen blev ikke opretett i InstanceHandler->factory"); |
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} |
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$file_size = filesize($file); |
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$imagesize = getimagesize($file); |
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$width = $imagesize[0]; // imagesx($file); |
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$height = $imagesize[1]; // imagesy($file); |
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$db->query("INSERT INTO file_handler_instance SET |
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intranet_id = ".$file_handler->kernel->intranet->get('id').", |
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file_handler_id = ".$file_handler->get('id').", |
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date_created = NOW(), |
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date_changed = NOW(), |
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type_key = ".$type['type_key'].", |
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file_size = ".(int)$file_size.", |
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width = ".(int)$width.", |
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height = ".(int)$height.", " . |
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"crop_parameter = \"".safeToDb($crop_param_string)."\""); |
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$id = $db->insertedId(); |
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$mime_type = $file_handler->get('file_type'); |
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$server_file_name = $id.'.'.$mime_type['extension']; |
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if (!is_dir($instancehandler->instance_path)) { |
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if (!mkdir($instancehandler->instance_path, 0755)) { |
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$this->delete(); |
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throw new Exception("Kunne ikke oprette mappe i InstanceHandler->factory"); |
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} |
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} |
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if (!rename($file, $instancehandler->instance_path.$server_file_name)) { |
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throw new Exception("Det var ikke muligt at flytte fil i InstanceHandler->factory"); |
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} |
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if (!chmod($instancehandler->instance_path.$server_file_name, 0644)) { |
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// please do not stop executing here |
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throw new Exception("Unable to chmod file '".$instancehandler->instance_path.$server_file_name."'"); |
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} |
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$db->query("UPDATE file_handler_instance SET server_file_name = \"".$server_file_name."\", active = 1 WHERE intranet_id = ".$file_handler->kernel->intranet->get('id')." AND id = ".$id); |
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return new InstanceHandler($file_handler, $id); |
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} |
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} |
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/** |
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* Henter en instance af et billede. |
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* |
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* @return boolean true or false |
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*/ |
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private function load() |
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{ |
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$db = new DB_sql; |
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$db->query("SELECT * FROM file_handler_instance WHERE intranet_id = ".$this->file_handler->kernel->intranet->get('id')." AND active = 1 AND id = ".$this->id); |
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View Code Duplication |
if (!$db->nextRecord()) { |
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$this->id = 0; |
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$this->value['id'] = 0; |
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return false; |
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} |
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$type = $this->checkType((int)$db->f('type_key'), 'type_key'); |
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if ($type === false) { |
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$this->id = 0; |
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$this->value['id'] = 0; |
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return false; |
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} |
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$this->value['instance_properties'] = $type; |
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$this->value['type'] = $type['name']; |
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$this->id = $db->f('id'); |
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$this->value['id'] = $db->f('id'); |
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$this->value['date_created'] = $db->f('date_created'); |
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$this->value['date_changed'] = $db->f('date_changed'); |
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//$this->value['predefined_size'] = $db->f('predefined_size'); |
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$this->value['server_file_name'] = $db->f('server_file_name'); |
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$this->value['file_size'] = $db->f('file_size'); |
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$this->value['file_path'] = $this->instance_path . $db->f('server_file_name'); |
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$this->value['last_modified'] = filemtime($this->get('file_path')); |
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// $this->value['file_uri'] = FILE_VIEWER.'?id='.$this->get('id').'&type='.$this->get('type').'&name=/'.urlencode($this->file_handler->get('file_name')); |
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$this->value['file_uri_parameters'] = '?/'.$this->file_handler->kernel->intranet->get('public_key').'/'.$this->file_handler->get('access_key').'/'.$this->get('type').'/'.urlencode($this->file_handler->get('file_name')); |
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$this->value['file_uri'] = FILE_VIEWER.$this->value['file_uri_parameters']; |
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View Code Duplication |
if ($db->f('width') == 0) { |
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$imagesize = getimagesize($this->get('file_path')); |
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$this->value['width'] = $imagesize[0]; // imagesx($this->get('file_uri')); |
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$db2 = new DB_sql; |
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$db2->query("UPDATE file_handler_instance SET width = ".$this->value['width']." WHERE intranet_id = ".$this->file_handler->kernel->intranet->get('id')." AND id = ".$this->id); |
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} else { |
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$this->value['width'] = $db->f('width'); |
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} |
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View Code Duplication |
if ($db->f('height') == 0) { |
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$imagesize = getimagesize($this->get('file_path')); |
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$this->value['height'] = $imagesize[1]; //imagesy($this->get('file_uri')); |
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$db2 = new DB_sql; |
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$db2->query("UPDATE file_handler_instance SET height = ".$this->value['height']." WHERE intranet_id = ".$this->file_handler->kernel->intranet->get('id')." AND id = ".$this->id); |
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} else { |
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$this->value['height'] = $db->f('height'); |
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} |
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return true; |
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} |
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/** |
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* Returns an array with instance types included information about the instance |
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* |
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* @return array |
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*/ |
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function getList($show = 'visible') |
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{ |
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if (!in_array($show, array('visible', 'include_hidden'))) { |
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throw new Exception('First parameter to InstanceManager->getList should either be visibe or include_hidden'); |
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exit; |
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} |
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$db = new DB_Sql; |
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require_once('Intraface/modules/filemanager/InstanceManager.php'); |
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$instancemanager = new InstanceManager($this->file_handler->kernel); |
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$types = $instancemanager->getList($show); |
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$i = 0; |
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// if filehander has an id we supply the file information to the array. |
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if ($this->file_handler->get('id') != 0) { |
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$result = $this->db->query("SELECT id, width, height, type_key, file_size FROM file_handler_instance WHERE intranet_id = ".$this->file_handler->kernel->intranet->get('id')." AND file_handler_id = ".$this->file_handler->get('id')." AND active = 1 ORDER BY type_key"); |
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if (PEAR::isError($result)) { |
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throw new Exception("Error in query: ".$result->getUserInfo()); |
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exit; |
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} |
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$file_instances = $result->fetchAll(MDB2_FETCHMODE_ASSOC); |
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$this->file_handler->createImage(); |
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for ($i = 0, $max = count($types); $i < $max; $i++) { |
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$types[$i]['width'] = ''; |
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$types[$i]['height'] = ''; |
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$types[$i]['file_size'] = '-'; |
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$types[$i]['file_uri'] = FILE_VIEWER.'?/'.$this->file_handler->kernel->intranet->get('public_key').'/'.$this->file_handler->get('access_key').'/'.$types[$i]['name'].'/'.urlencode($this->file_handler->get('file_name')); |
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$match_file_instance_key = false; |
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foreach ($file_instances as $file_instance_key => $file_instance) { |
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if ($file_instance['type_key'] == $types[$i]['type_key']) { |
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$match_file_instance_key = $file_instance_key; |
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break; |
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} |
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} |
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if ($match_file_instance_key !== false) { |
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$types[$i]['width'] = $file_instances[$match_file_instance_key]['width']; |
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$types[$i]['height'] = $file_instances[$match_file_instance_key]['height']; |
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$types[$i]['file_size'] = $file_instances[$match_file_instance_key]['file_size']; |
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} elseif (isset($types[$i]['max_width']) && isset($types[$i]['max_height']) && isset($types[$i]['resize_type']) && $types[$i]['resize_type'] == 'strict') { |
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$types[$i]['width'] = $types[$i]['max_width']; |
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$types[$i]['height'] = $types[$i]['max_height']; |
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} elseif (isset($types[$i]['max_width']) && isset($types[$i]['max_height'])) { |
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$tmp_size = $this->file_handler->image->getRelativeSize($types[$i]['max_width'], $types[$i]['max_height']); |
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$types[$i]['width'] = $tmp_size['width']; |
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$types[$i]['height'] = $tmp_size['height']; |
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} |
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} |
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} |
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return $types; |
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} |
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/** |
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* check the instance type |
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* |
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* @param string $type name of type |
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* @param string $compare either 'name' or 'type_key' |
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* |
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* @return mixed array with the type or false on failure; |
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*/ |
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20 |
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public function checkType($type, $compare = 'name') |
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{ |
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2 |
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if (!in_array($compare, array('name', 'type_key'))) { |
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20 |
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throw new Exception('Second parameter to InstanceHander->checkType should be either name or type_key'); |
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return false; |
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291
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} |
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293
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2 |
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require_once 'Intraface/modules/filemanager/InstanceManager.php'; |
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2 |
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$instancemanager = new InstanceManager($this->file_handler->kernel); |
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2 |
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$instance_types = $instancemanager->getList('include_hidden'); |
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297
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for ($i = 0, $max = count($instance_types); $i < $max; $i++) { |
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2 |
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if (isset($instance_types[$i][$compare]) && $instance_types[$i][$compare] == $type) { |
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2 |
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return $instance_types[$i]; |
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exit; |
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} |
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2 |
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} |
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return false; |
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} |
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/** |
307
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* Deletes an instance |
308
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* |
309
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* @return boolean |
310
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*/ |
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View Code Duplication |
function delete() |
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{ |
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if ($this->id == 0) { |
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return false; |
315
|
|
|
} |
316
|
|
|
|
317
|
|
|
$db = new DB_Sql; |
318
|
|
|
|
319
|
|
|
if (file_exists($this->get('file_path'))) { |
320
|
|
|
if (!rename($this->get('file_path'), $this->instance_path.'_deleted_'.$this->get('server_file_name'))) { |
321
|
|
|
throw new Exception("Kunne ikke omd�be filen i InstanceHandler->delete()"); |
322
|
|
|
} |
323
|
|
|
} |
324
|
|
|
|
325
|
|
|
$db->query("UPDATE file_handler_instance SET active = 0 WHERE intranet_id = ".$this->file_handler->kernel->intranet->get('id')." AND id = ".$this->id); |
326
|
|
|
return true; |
327
|
|
|
} |
328
|
|
|
|
329
|
|
|
/** |
330
|
|
|
* Deletes all instances for a file |
331
|
|
|
* |
332
|
|
|
* @param boolean |
333
|
|
|
*/ |
334
|
|
|
function deleteAll() |
335
|
|
|
{ |
336
|
|
|
if ($this->file_handler->get('id') == 0) { |
337
|
|
|
throw new Exception('An file_handler_id is needed to delete instances in InstanceHandler->deleteAll()'); |
338
|
|
|
} |
339
|
|
|
|
340
|
|
|
$db = new DB_sql; |
341
|
|
|
$db->query("SELECT id FROM file_handler_instance WHERE intranet_id = ".$this->file_handler->kernel->intranet->get('id')." AND file_handler_id = ".$this->file_handler->get('id')." AND active = 1"); |
342
|
|
|
while ($db->nextRecord()) { |
343
|
|
|
$instance = new InstanceHandler($this->file_handler, $db->f('id')); |
344
|
|
|
$instance->delete(); |
345
|
|
|
} |
346
|
|
|
|
347
|
|
|
return true; |
348
|
|
|
} |
349
|
|
|
|
350
|
|
|
/** |
351
|
|
|
* deletes all instances of a type |
352
|
|
|
* |
353
|
|
|
* @param string $instance instance representation either name or type_key depending on next parameter |
354
|
|
|
* @param string $compare either 'name' or 'type_key' |
355
|
|
|
* |
356
|
|
|
*/ |
357
|
|
|
public function deleteInstanceType($instance, $compare = 'name') |
|
|
|
|
358
|
|
|
{ |
359
|
|
|
throw new Exception('so fare not used!'); |
360
|
|
|
exit; |
|
|
|
|
361
|
|
|
$type = $this->checkType($instance, $compare); |
|
|
|
|
362
|
|
|
$db = new DB_sql; |
363
|
|
|
$db->query("SELECT id FROM file_handler_instance WHERE intranet_id = ".$this->file_handler->kernel->intranet->get('id')." AND type_key = ".intval($type['type_key'])." AND active = 1"); |
364
|
|
|
while ($db->nextRecord()) { |
|
|
|
|
365
|
|
|
$instance = new InstanceHandler($this->file_handler, $db->f('id')); |
366
|
|
|
$instance->delete(); |
367
|
|
|
} |
368
|
|
|
|
369
|
|
|
return true; |
370
|
|
|
} |
371
|
|
|
} |
372
|
|
|
|
Adding a
@return
annotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.