BatchGuy.App.MKVMerge.Services.MKVMergeOutputService.GetTrackOrderPart C# (CSharp) Method

        public string GetTrackOrderPart()
        {
            StringBuilder sb = new StringBuilder();
            int trackCount = 0;

            sb.Append("--track-order ");
            if (_bluRaySummaryInfo.BluRayTitleInfo.Video != null && _bluRaySummaryInfo.BluRayTitleInfo.Video.IsSelected)
            {
                trackCount++;
            }

            if (_bluRaySummaryInfo.BluRayTitleInfo.AudioList != null && _bluRaySummaryInfo.BluRayTitleInfo.AudioList.Where(a => a.IsSelected).Count() > 0)
            {
                trackCount += _bluRaySummaryInfo.BluRayTitleInfo.AudioList.Where(a => a.IsSelected).Count();
            }

            if (_eac3ToConfiguration.IgnoreInternalSubtitles == false)
            {
                if (_bluRaySummaryInfo.BluRayTitleInfo.Subtitles != null && _bluRaySummaryInfo.BluRayTitleInfo.Subtitles.Where(a => a.IsSelected).Count() > 0)
                {
                    trackCount += _bluRaySummaryInfo.BluRayTitleInfo.Subtitles.Where(a => a.IsSelected).Count();
                }
            }
            else
            {
                if (_bluRaySummaryInfo.BluRayTitleInfo.Subtitles != null && _bluRaySummaryInfo.BluRayTitleInfo.Subtitles.Where(a => a.IsSelected && a.IsExternal).Count() > 0)
                {
                    trackCount += _bluRaySummaryInfo.BluRayTitleInfo.Subtitles.Where(a => a.IsSelected && a.IsExternal).Count();
                }
            }

            for (int i = 0; i < trackCount; i++)
            {
                sb.Append(string.Format("{0}:0,", i));
            }

            return sb.ToString().Substring(0, sb.ToString().Length - 1);
        }

        public ErrorCollection Write()
        {
            if (this.IsValid())
            {
                try
                {
                    this.Delete();

                    foreach (BluRayDiscInfo disc in _bluRayDiscInfoList.Where(d => d.IsSelected))
                    {
                        foreach (BluRaySummaryInfo summary in disc.BluRaySummaryInfoList.Where(s => s.IsSelected).OrderBy(s => s.EpisodeNumber))
                        {
                            _eac3ToOutputNamingService.SetCurrentBluRaySummaryInfo(summary);
                            IMKVMergeOutputService mkvMergeOutputService = new MKVMergeOutputService(_eac3toConfiguration, _eac3ToOutputNamingService, disc.BluRayPath, summary);
                            string mkvMergePathPart       = mkvMergeOutputService.GetMKVMergePathPart();
                            string mkvMergeOutputPart     = mkvMergeOutputService.GetOutputPart();
                            string mkvMergeVideoPart      = mkvMergeOutputService.GetVideoPart();
                            string mkvMergeAudioPart      = mkvMergeOutputService.GetAudioPart();
                            string mkvMergeSubtitlePart   = mkvMergeOutputService.GetSubtitlePart();
                            string mkvMergeChaptersPart   = mkvMergeOutputService.GetChaptersPart();
                            string mkvMergeTrackOrderPart = mkvMergeOutputService.GetTrackOrderPart();

                            using (StreamWriter sw = new StreamWriter(_eac3toConfiguration.MKVMergeBatchFilePath, true))
                            {
                                sw.WriteLine(string.Format("{0} {1} {2} {3} {4} {5} {6}", mkvMergePathPart, mkvMergeOutputPart, mkvMergeVideoPart, mkvMergeAudioPart, mkvMergeSubtitlePart,
                                                           mkvMergeChaptersPart, mkvMergeTrackOrderPart));
                                sw.WriteLine();
                                sw.WriteLine();
                            }
                        }
                    }
                }
                catch (Exception ex)
                {
                    _log.ErrorFormat(Program.GetLogErrorFormat(), ex.Message, ex.StackTrace, MethodBase.GetCurrentMethod().Name);
                    _errors.Add(new Error()
                    {
                        Description = "There was an error while creating the mkvmerge batch file."
                    });
                }
            }
            return(_errors);
        }