PeerCastStation.UI.HTTP.APIHost.APIContext.GetChannel C# (CSharp) Method

      private Channel GetChannel(string channel_id)
      {
        if (channel_id==null) throw new RPCError(RPCErrorCode.InvalidParams);
        Guid cid;
        try {
          cid = new Guid(channel_id);
        }
        catch (Exception) {
          throw new RPCError(RPCErrorCode.InvalidParams, "Invalid channelId");
        }
        var channel = PeerCast.Channels.FirstOrDefault(c => c.ChannelID==cid);
        if (channel==null) {
          throw new RPCError(RPCErrorCode.ChannelNotFound, "Channel not found");
        }
        else {
          return channel;
        }
      }