ArgusTV.Recorder.MediaPortalTvServer.TvServerPlugin.EnsureChannelForDvbEpg C# (CSharp) Method

        private static Channel EnsureChannelForDvbEpg(SchedulerServiceAgent tvSchedulerAgent, TvDatabase.Channel mpChannel,
            bool epgSyncAutoCreateChannels, bool epgSyncAutoCreateChannelsWithGroup)
        {
            ChannelLink channelLink = ChannelLinks.GetChannelLinkForMediaPortalChannel(mpChannel);
            ChannelType channelType = mpChannel.IsTv ? ChannelType.Television : ChannelType.Radio;
            Channel channel = null;
            if (channelLink != null)
            {
                channel = tvSchedulerAgent.GetChannelById(channelLink.ChannelId);
                if (channel == null)
                {
                    channel = tvSchedulerAgent.GetChannelByDisplayName(channelType, channelLink.ChannelName);
                }
            }
            if (channel == null)
            {
                channel = tvSchedulerAgent.GetChannelByDisplayName(channelType, mpChannel.DisplayName);
            }
            if (channel == null
                && (epgSyncAutoCreateChannels || epgSyncAutoCreateChannelsWithGroup))
            {
                string groupName = "DVB-EPG";
                if (epgSyncAutoCreateChannelsWithGroup)
                {
                    IList<TvDatabase.GroupMap> groupMaps = mpChannel.ReferringGroupMap();
                    foreach (TvDatabase.GroupMap groupMap in groupMaps)
                    {
                        TvDatabase.ChannelGroup channelGroup = TvDatabase.ChannelGroup.Retrieve(groupMap.IdGroup);
                        if (channelGroup != null)
                        {
                            groupName = channelGroup.GroupName;
                            break;
                        }
                    }
                }

                Guid channelId = tvSchedulerAgent.EnsureChannel(channelType, mpChannel.DisplayName, groupName);
                channel = tvSchedulerAgent.GetChannelById(channelId);

                if (!channel.LogicalChannelNumber.HasValue
                    && mpChannel.ChannelNumber > 0)
                {
                    channel.LogicalChannelNumber = mpChannel.ChannelNumber;
                    tvSchedulerAgent.SaveChannel(channel);
                }
            }
            return channel;
        }