public function create($id)
{
    $type = Type::find($id);
    $category = Category::all();
    foreach ($type->field as $key => $value) {
        if (Schema::hasColumn('products', "{$value->fieldname}")) {

            return view('products.create', compact('type', 'category'));
        } else
            {if (!Schema::hasColumn('products', "{$value->fieldname}")) {
   foreach ($type->field as $key => $value) {
      Schema::table('products', function ($table) use ($value) {
       $table->string("{$value->fieldname}")->nullable()-> after('category_id');
                        });
                    }

                    return view('products.create', compact('type', 'category'));
                }

            }

        }
    }