public async Task DeleteAsync(long id)
{
var exist = await _categoryRepo.Select.AnyAsync(s => s.Id == id && !s.IsDeleted);
if (!exist)
{
throw new KnownException("没有找到该账单分类信息", ServiceResultCode.NotFound);
}
await _categoryRepo.DeleteAsync(id);
}
public async Task <ServiceResult> DeleteAsync(long id)
{
var exist = await _categoryRepo.Select.AnyAsync(c => c.Id == id);
if (!exist)
{
return(await Task.FromResult(ServiceResult.Failed($"Id:{id} 的文章分类不存在")));
}
var articleIds = await _articleRepo.Select.Where(a => a.CategoryId == id).ToListAsync(a => a.Id);
// 删除相关的文章信息
await _articleRepo.DeleteAsync(a => articleIds.Contains(a.Id));
// 删除相关文章的内容信息
await _articleContentRepo.DeleteAsync(a => articleIds.Contains(a.ArticleId));
// 删除文章分类
await _categoryRepo.DeleteAsync(id);
return(await Task.FromResult(ServiceResult.Successed("删除文章分类成功")));
}