/// <summary>
/// 删除楼盘推荐
/// </summary>
/// <param name="user">登陆用户基本信息</param>
/// <param name="buildingRecommend">楼盘推荐实体</param>
/// <param name="cancellationToken">验证</param>
/// <returns></returns>
public async Task DeleteAsync(SimpleUser user, BuildingRecommend buildingRecommend, CancellationToken cancellationToken = default(CancellationToken))
{
if (user == null)
{
throw new ArgumentNullException(nameof(user));
}
if (buildingRecommend == null)
{
throw new ArgumentNullException(nameof(buildingRecommend));
}
buildingRecommend.DeleteTime = DateTime.Now;
buildingRecommend.DeleteUser = user.Id;
buildingRecommend.IsDeleted = true;
Context.Attach(buildingRecommend);
var entry = Context.Entry(buildingRecommend);
entry.Property(x => x.IsDeleted).IsModified = true;
entry.Property(x => x.DeleteUser).IsModified = true;
entry.Property(x => x.DeleteTime).IsModified = true;
try
{
await Context.SaveChangesAsync(cancellationToken);
}
catch (DbUpdateConcurrencyException)
{
throw;
}
}
/// <summary>
/// 新增楼盘推荐信息
/// </summary>
/// <param name="buildingRecommend">实体</param>
/// <param name="cancellationToken">验证</param>
/// <returns></returns>
public async Task <BuildingRecommend> CreateAsync(BuildingRecommend buildingRecommend, CancellationToken cancellationToken = default(CancellationToken))
{
if (buildingRecommend == null)
{
throw new ArgumentNullException(nameof(buildingRecommend));
}
Context.Add(buildingRecommend);
await Context.SaveChangesAsync(cancellationToken);
return(buildingRecommend);
}
/// <summary>
/// 修改楼盘推荐信息
/// </summary>
/// <param name="buildingRecommend"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task UpdateAsync(BuildingRecommend buildingRecommend, CancellationToken cancellationToken = default(CancellationToken))
{
if (buildingRecommend == null)
{
throw new ArgumentNullException(nameof(buildingRecommend));
}
Context.Attach(buildingRecommend);
Context.Update(buildingRecommend);
try
{
await Context.SaveChangesAsync(cancellationToken);
}
catch (DbUpdateConcurrencyException) { }
}
