public function validate($data = null){
$this->name=$data['Name'];
$this->image=$data['Image'];
$this->prize=$data['Price'];
$this->condition=$data['Condition'];
$this->summary=$data['Summary'];
$this->quantity=$data['Quantity'];
$this->brand=implode(array_slice($data, 7, 1),'');
$this->brand_id = array_search($this->brand , $this->BrandList());
$this->category=implode(array_slice($data, 6, 1),'');
$this->cat_id = array_search($this->category , $this->CategoryList());
$this->company= Auction::username();
$this->c_id = Auction::company();
$extraCondition = array_slice($data, 8 , count($data));
$extraCond= [];
foreach($extraCondition as $key=>$value){;
$extraCond[]=[$key => $value];
}
$this->extra_cond = $extraCond;
return parent::validate();
}