public void InitLoginInfo(User user)
{
try
{
IsLogin = true;
this.user = user;
//defaultlist
HistoryMusicList.User_Id = user.User_Id;
HistoryMusicList = mDB.GetMusicList(HistoryMusicList);
LikedMusicList.User_Id = user.User_Id;
LikedMusicList = mDB.GetMusicList(LikedMusicList);
//createdlist
AllMusicLists = mDB.GetAllMusicList(user);
for (int i = 0; i < AllMusicLists.Count(); i++)
{
if (DefaultList.Contains(AllMusicLists[i].ListName))
{
continue;
}
CreatedMusicList.Add(mDB.GetMusicList(AllMusicLists[i]).ListName, i);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + ex.StackTrace);
}
}
/// <summary>
/// 查询自定义歌单数量
/// </summary>
/// <returns></returns>
public int GetCreatedMusicListNumber()
{
try
{
return(CreatedMusicList.Count());
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + ex.StackTrace);
return(-1);
}
}
/// <summary>
/// 删除数据库中歌单
/// </summary>
/// <param name="musicList"></param>
/// <returns></returns>
public bool DeleteMusicList(MusicList musicList)
{
try
{
bool n = mDB.DeleteMusicList(musicList);
CreatedMusicList.Remove(musicList.ListName);
return(n);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + ex.StackTrace);
return(false);
}
}
/// <summary>
/// 创建自定义歌单
/// </summary>
/// <param name="musicList"></param>
/// <returns></returns>
public bool CreateMusicList(MusicList musicList)
{
try
{
int n = 0;
if (GetCreatedMusicListNumber() < ListLimits)
{
n = mDB.CreateMusicList(musicList);
int i = AllMusicLists.Count();
AllMusicLists.Add(musicList);
CreatedMusicList.Add(musicList.ListName, i);
}
return(n >= 0);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + ex.StackTrace);
return(false);
}
}
/// <summary>
/// 修改数据库中歌单名
/// </summary>
/// <param name="musicList"></param>
/// <param name="ListName"></param>
public bool UpdateMusicList(MusicList musicList, string ListName)
{
try
{
if (musicList != null)
{
int index = CreatedMusicList[musicList.ListName];
CreatedMusicList.Remove(musicList.ListName);
int n = mDB.UpdateMusicList(musicList, ListName);
musicList.ListName = ListName;
AllMusicLists[index].ListName = ListName;
CreatedMusicList.Add(musicList.ListName, index);
return(n >= 0);
}
return(false);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message + ex.StackTrace);
return(false);
}
}
