public async Task Delete(EntityDto <Guid> input)
        {
            var tags = await GetTagsOfBlog(input.Id);

            await _tagManager.DecreaseUsageCountOfTagsAsync(tags.Select(t => t.Id).ToList());

            await _blogManager.DeleteAsync(input.Id);
        }
        public async Task Delete(EntityDto <Guid> input)
        {
            var postId = input.Id;
            var post   = await _postRepository.GetAsync(postId);

            var tags = await GetTagsOfPost(postId);

            await _tagManager.DecreaseUsageCountOfTagsAsync(tags.Select(t => t.Id).ToList());

            await _commentManager.DeleteCommentsOfPost(postId);

            await _postManager.DeleteAsync(input.Id);
        }