<?php

class KClassMaterialFile extends TActiveRecord 
{
	const TABLE='ifk_classmaterialfiles';
	
	private $_id;
	private $_user_id;
	private $_class_id;
	private $_filename;
	private $_name;
	private $_visible;
	private $_added_date;
	
	public function getId() {return $this->_id;}
	public function setId($value) {$this->_id = TPropertyValue::ensureInteger($value);}
	
	public function getUser_id() {return $this->_user_id;}
	public function setUser_id($value) {$this->_user_id = TPropertyValue::ensureInteger($value);}
	
	public function getClass_id() {return $this->_class_id;}
	public function setClass_id($value) {$this->_class_id = TPropertyValue::ensureInteger($value);}
	
	public function getFilename() {return $this->_filename;}
	public function setFilename($value) {$this->_filename = TPropertyValue::ensureString($value);}
	
	public function getName() {return $this->_name;}
	public function setName($value) {$this->_name = TPropertyValue::ensureString($value);}

	public function getVisible() {return $this->_visible;}
	public function setVisible($value) {$this->_visible = TPropertyValue::ensureBoolean($value);}

	public function getAdded_date() {return $this->_added_date;}
	public function setAdded_date($value) {$this->_added_date = TPropertyValue::ensureString($value);}
	
	public function isCorrect() {
		return file_exists(Prado::getApplication()->Parameters['CLASSMATERIALS_PATH']."/".$this->getFilename());
	}
	
	public function getUrl() 
	{
		return Prado::getApplication()->Parameters['CLASSMATERIALS_URL']."/".$this->getFilename();
	}
	
	public function getIconLink($use_filename_as_name = true) 
	{
		
		if ($this->isCorrect()) {
			$link = "<a href='".$this->getUrl()."' target='_blank'>".(($use_filename_as_name)?$this->Filename:$this->Name)."</a>";
			$p = new KAdminPage;
			switch(strtolower(mime_content_type(Prado::getApplication()->Parameters['CLASSMATERIALS_PATH']."/".$this->getFilename())))
			{
				case 'application/pdf':
					$iconfile = $p->publishAsset('assets/pdf.gif');
					break;
				case 'application/msword':
					$iconfile = $p->publishAsset('assets/ms-word.gif');
					break;
				case 'application/zip':
				case 'application/x-zip':
	            case 'application/x-rar-compressed':
					$iconfile = $p->publishAsset('assets/zip-file.gif');
					break;
				default:
					$iconfile = $p->publishAsset('assets/file.gif');
					break;
			};
			
			$icon = "<img src='".$iconfile."'>";
			$iconlink = $icon.'&nbsp;'.$link;
			return $iconlink;
		}
	}
	
	public static function finder($className=__CLASS__)
    {
        return parent::finder($className);
    }	 
    
    public function delete() 
    {
    	if (file_exists(Prado::getApplication()->Parameters['CLASSMATERIALS_PATH']."/".$this->Filename))
    		unlink(Prado::getApplication()->Parameters['CLASSMATERIALS_PATH']."/".$this->Filename);
    	parent::delete();
    }
    
}