public async Task <IActionResult> GetAll()
        {
            try
            {
                var categories = await _postCategoryService.GetAllPostCategories();

                var mappedPostCategories = _mapper.Map <IEnumerable <PostCategoryDto> >(categories);
                return(Ok(mappedPostCategories));
            }
            catch (Exception ex)
            {
                return(BadRequest(ex.Message));
            }
        }