private bool IsSubscribed(TubeUserChannel userChannel)
{
var userChannels = this.context.TubeUserChannels.AsNoTracking().ToList();
foreach (var uc in userChannels)
{
if (uc.ChannelId == userChannel.ChannelId && uc.TubeUserId == userChannel.TubeUserId)
{
return(true);
}
}
return(false);
}
public void Subscribe(string id, string tubeUserName)
{
var user = this.userService.GetDomainUserFromDbByUserName(tubeUserName);
var channel = this.GetDomainChannelById(id);
var userChannel = new TubeUserChannel
{
TubeUserId = user.Id,
TubeUser = user,
ChannelId = channel.Id,
Channel = channel
};
bool isSubscribed = this.IsSubscribed(userChannel);
if (!isSubscribed)
{
this.context.TubeUserChannels.Add(userChannel);
context.SaveChanges();
}
}