Simplify mapping in Trakt connection

src/NzbDrone.Core/Notifications/Trakt/Trakt.cs

@@ -200,119 +200,62 @@ namespace NzbDrone.Core.Notifications.Trakt
 
         private string MapMediaType(QualitySource source)
         {
-            var traktSource = string.Empty;
+            var traktSource = source switch
-
-            switch (source)
             {
-                case QualitySource.BLURAY:
+                QualitySource.BLURAY => "bluray",
-                    traktSource = "bluray";
+                QualitySource.WEBDL => "digital",
-                    break;
+                QualitySource.WEBRIP => "digital",
-                case QualitySource.WEBDL:
+                QualitySource.DVD => "dvd",
-                    traktSource = "digital";
+                QualitySource.TV => "dvd",
-                    break;
+                _ => string.Empty
-                case QualitySource.WEBRIP:
+            };
-                    traktSource = "digital";
-                    break;
-                case QualitySource.DVD:
-                    traktSource = "dvd";
-                    break;
-                case QualitySource.TV:
-                    traktSource = "dvd";
-                    break;
-            }
 
             return traktSource;
         }
 
         private string MapResolution(int resolution, string scanType)
         {
-            var traktResolution = string.Empty;
+            var scanIdentifier = scanType.IsNotNullOrWhiteSpace() && TraktInterlacedTypes.InterlacedTypes.Contains(scanType) ? "i" : "p";
 
-            var scanIdentifier = scanType.IsNotNullOrWhiteSpace() && TraktInterlacedTypes.interlacedTypes.Contains(scanType) ? "i" : "p";
+            var traktResolution = resolution switch
-
-            switch (resolution)
             {
-                case 2160:
+                2160 => "uhd_4k",
-                    traktResolution = "uhd_4k";
+                1080 => $"hd_1080{scanIdentifier}",
-                    break;
+                720 => "hd_720p",
-                case 1080:
+                576 => $"sd_576{scanIdentifier}",
-                    traktResolution = $"hd_1080{scanIdentifier}";
+                480 => $"sd_480{scanIdentifier}",
-                    break;
+                _ => string.Empty
-                case 720:
+            };
-                    traktResolution = "hd_720p";
-                    break;
-                case 576:
-                    traktResolution = $"sd_576{scanIdentifier}";
-                    break;
-                case 480:
-                    traktResolution = $"sd_480{scanIdentifier}";
-                    break;
-            }
 
             return traktResolution;
         }
 
         private string MapAudio(MovieFile movieFile)
         {
-            var traktAudioFormat = string.Empty;
-
             var audioCodec = movieFile.MediaInfo != null ? MediaInfoFormatter.FormatAudioCodec(movieFile.MediaInfo, movieFile.SceneName) : string.Empty;
 
-            switch (audioCodec)
+            var traktAudioFormat = audioCodec switch
             {
-                case "AC3":
+                "AC3" => "dolby_digital",
-                    traktAudioFormat = "dolby_digital";
+                "EAC3" => "dolby_digital_plus",
-                    break;
+                "TrueHD" => "dolby_truehd",
-                case "EAC3":
+                "EAC3 Atmos" => "dolby_digital_plus_atmos",
-                    traktAudioFormat = "dolby_digital_plus";
+                "TrueHD Atmos" => "dolby_atmos",
-                    break;
+                "DTS" => "dts",
-                case "TrueHD":
+                "DTS-ES" => "dts",
-                    traktAudioFormat = "dolby_truehd";
+                "DTS-HD MA" => "dts_ma",
-                    break;
+                "DTS-HD HRA" => "dts_hr",
-                case "EAC3 Atmos":
+                "DTS-X" => "dts_x",
-                    traktAudioFormat = "dolby_digital_plus_atmos";
+                "MP3" => "mp3",
-                    break;
+                "MP2" => "mp2",
-                case "TrueHD Atmos":
+                "Vorbis" => "ogg",
-                    traktAudioFormat = "dolby_atmos";
+                "WMA" => "wma",
-                    break;
+                "AAC" => "aac",
-                case "DTS":
+                "PCM" => "lpcm",
-                case "DTS-ES":
+                "FLAC" => "flac",
-                    traktAudioFormat = "dts";
+                "Opus" => "ogg_opus",
-                    break;
+                _ => string.Empty
-                case "DTS-HD MA":
+            };
-                    traktAudioFormat = "dts_ma";
-                    break;
-                case "DTS-HD HRA":
-                    traktAudioFormat = "dts_hr";
-                    break;
-                case "DTS-X":
-                    traktAudioFormat = "dts_x";
-                    break;
-                case "MP3":
-                    traktAudioFormat = "mp3";
-                    break;
-                case "MP2":
-                    traktAudioFormat = "mp2";
-                    break;
-                case "Vorbis":
-                    traktAudioFormat = "ogg";
-                    break;
-                case "WMA":
-                    traktAudioFormat = "wma";
-                    break;
-                case "AAC":
-                    traktAudioFormat = "aac";
-                    break;
-                case "PCM":
-                    traktAudioFormat = "lpcm";
-                    break;
-                case "FLAC":
-                    traktAudioFormat = "flac";
-                    break;
-                case "Opus":
-                    traktAudioFormat = "ogg_opus";
-                    break;
-            }
 
             return traktAudioFormat;
         }

src/NzbDrone.Core/Notifications/Trakt/TraktInterlacedTypes.cs

@@ -5,16 +5,9 @@ namespace NzbDrone.Core.Notifications.Trakt
 {
     public static class TraktInterlacedTypes
     {
-        private static HashSet<string> _interlacedTypes;
+        public static readonly HashSet<string> InterlacedTypes = new (StringComparer.OrdinalIgnoreCase)
-
-        static TraktInterlacedTypes()
         {
-            _interlacedTypes = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
+            "Interlaced", "MBAFF", "PAFF"
-                              {
+        };
-                                  "Interlaced", "MBAFF", "PAFF"
-                              };
-        }
-
-        public static HashSet<string> interlacedTypes => _interlacedTypes;
     }
 }