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