public function purchase()
{
$data['purchases'] = DB::table('products')->join('purchase', 'purchase.product_id', '=', 'products.id')->get();
$data['products'] = Products::lists('name', 'id');
return \View::make('purchase', $data);
}
public function addSale()
{
$data['products'] = Products::lists('name', 'id');
return \View::make('addSale', $data);
}