/// <summary>
/// 添加UserLike
/// </summary>
/// <param name="userId"></param>
/// <param name="objId"></param>
/// <param name="type"></param>
public void Create(int userId, int objId, MusicRequestType type)
{
var user = _userManager.Find(userId);
if (user.IsAdmin)
{
ThrowException("用户不存在!");
}
UserLike userLike = null;
switch (type)
{
case MusicRequestType.Song:
var music = _musicManager.Find(objId);
if (!music.IsPublished)
{
ThrowException("歌曲不存在！");
}
if (JMDbContext.UserLike.Any(u => u.UserId == userId && u.MusicId == objId))
{
ThrowException("您的喜好歌曲中已存在该歌曲，无需重复添加");
}
userLike = new UserLike()
{
UserId = userId,
MusicId = objId,
};
break;
default:
return;
}
Create(userLike);
Save();
}
public void AddToUserMusicList(int userId, int objId, int userMusicListId, MusicRequestType type)
{
var user = _userManager.Find(userId);
if (user == null || user.IsAdmin)
{
ThrowException("用户不存在");
}
UserMusicList list = JMDbContext.UserMusicList.SingleOrDefault(u => u.Id == userMusicListId && u.UserId == userId && !u.IsDeleted);
if (list == null)
{
ThrowException("未找到该用户的歌单");
}
switch (type)
{
case MusicRequestType.Song:
var music = _musicManager.Find(objId);
if (music == null || !music.IsPublished)
{
ThrowException("歌曲不存在");
}
var listMusic = new UserMusicListMusic()
{
MusicId = music.Id,
MusicListId = list.Id
};
JMDbContext.UserMusicListMusic.Add(listMusic);
break;
default:
return;
}
Save();
}