public function beforeValidate()
 {
     $this->price_pd = $this->setZeroInPrices($this->price_pd);
     $this->price_md_p = $this->setZeroInPrices($this->price_md_p);
     $this->price_hd = $this->setZeroInPrices($this->price_hd);
     $this->price_md_h = $this->setZeroInPrices($this->price_md_h);
     $this->start = DDateTimeHelper::DateToUnix($this->date_from, $this->time_from);
     $this->end = DDateTimeHelper::DateToUnix($this->date_to, $this->time_to);
     //echo'<pre>';print_r($this->price_md_h);echo'</pre>';die;
     return parent::beforeValidate();
 }