DeleteAsync from CategoryService, of Supermarket API

CategoryService.cs

public async Task<CategoryResponse> DeleteAsync(int id)
{
	var existingCategory = await _categoryRepository.FindByIdAsync(id);

	if (existingCategory == null)
		return new CategoryResponse("Category not found.");

	try
	{
		_categoryRepository.Remove(existingCategory);
		await _unitOfWork.CompleteAsync();

		return new CategoryResponse(existingCategory);
	}
	catch (Exception ex)
	{
		// Do some logging stuff
		return new CategoryResponse($"An error occurred when deleting the category: {ex.Message}");
	}
}