/// <summary>
/// 查询一个用户的所有收藏
/// </summary>
/// <param name="userid"></param>
/// <returns></returns>
public static List <CollectionTable> SelectUserCollection(int userid)
{
return(CollectionDal.SelectUserCollection(userid));
}
/// <summary>
/// 查询一个用户与一个商品的关系(用户是否收藏了该商品)
/// </summary>
/// <param name="userid">用户id</param>
/// <param name="goodsid">商品id</param>
/// <returns></returns>
public static bool SelectOneCollection(int userid, int goodsid)
{
CollectionTable coll = CollectionDal.SelectOneCollection(userid, goodsid);
return(coll != null && coll.IsCollection == 1);
}
/// <summary>
/// 新增或修改收藏关系
/// </summary>
/// <param name="goodsid">商品id</param>
/// <param name="userid">用户id</param>
/// <returns></returns>
public static bool CreateOrUpdateCollection(int goodsid, int userid)
{
return(CollectionDal.CreateOrUpdateCollection(goodsid, userid) == 1);
}
