<?
/**
 * A built-in model to handle files and uploads.
 *
 * You should not directly use this model unless you are developing extensions.
 *
 * @package Model
 * @subpackage BuiltinModels
 * @todo Can this be created on-the-fly like many-to-many field tables?
 */
 
class File extends zajModel {
	///////////////////////////////////////////////////////////////
	// !Model design
	///////////////////////////////////////////////////////////////
	public static function __model(){	
		// define custom database fields
			$fields->parent = zajDb::text();
			$fields->name = zajDb::name();
			$fields->mime = zajDb::text();
			$fields->size = zajDb::integer();
			$fields->description = zajDb::textbox();
		// do not modify the line below!
			$fields = parent::__model(__CLASS__, $fields); return $fields;
	}
	///////////////////////////////////////////////////////////////
	// !Construction and other required methods
	///////////////////////////////////////////////////////////////
	public function __construct($id = ""){ parent::__construct($id, __CLASS__);	}
	public static function __callStatic($name, $arguments){ array_unshift($arguments, __CLASS__); return call_user_func_array(array('parent', $name), $arguments); }

	///////////////////////////////////////////////////////////////
	// !Model methods
	///////////////////////////////////////////////////////////////
	public function download($force_download=true){
		// generate path
			$this->zajlib->load->library('file');
			$file_path = $this->zajlib->file->get_id_path($this->zajlib->basepath."data/File", $this->id, true);
		// pass file thru to user			
			header('Content-Type: '.$this->data->mime);
			header('Content-Length: '.filesize($file_path));
			if($force_download) header('Content-Disposition: attachment; filename="'.$this->data->name.'"');
			else header('Content-Disposition: inline; filename="'.$this->data->name.'"');
			ob_clean();
			flush();
   			readfile($file_path);
		// now exit
		exit;
	}
	public function upload($uploadbox){
		// process data given by upload box
			// TODO: finish this
	
	}
	public function setfile($tmpname){
		// generate new path
			$this->zajlib->load->library('file');
			$new_path = $this->zajlib->file->get_id_path($this->zajlib->basepath."data/File", $this->id, true);
		// move tmpname to new location
			move_uploaded_file($tmpname, $new_path);
		// now set restrictive permissions
			chmod($new_path, 0644);
		// now set and save me
			// TODO: add mime-type detection here!
			// $this->set('mime',$mimetype);
			$this->set('size',filesize($new_path));
			$this->save();
	}
	public function delete($complete = false){
		// remove photo files
			if($complete){
				// generate path
					$this->zajlib->load->library('file');
					$file_path = $this->zajlib->file->get_id_path($this->zajlib->basepath."data/File", $this->id, true);
				// delete file
					@unlink($file_path);
			}
		// call parent
			parent::delete($complete);
	}


	///////////////////////////////////////////////////////////////
	// !Static methods
	///////////////////////////////////////////////////////////////
	

}
?>