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