Наследование: extends EntityRequest
 public function edit(ExpenseCategoryRequest $request)
 {
     $category = $request->entity();
     $data = ['category' => $category, 'method' => 'PUT', 'url' => 'expense_categories/' . $category->public_id, 'title' => trans('texts.edit_category')];
     return View::make('expense_categories.edit', $data);
 }