add option to keep multi-part episodes together when shuffling (#188)

* add setting to keep multi-part episodes together * keep multi-part episodes together when shuffling
2021-05-18 08:23:08 -05:00
parent 9112cb3c1f
commit 47e9a319ce
23 changed files with 2754 additions and 111 deletions
@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using ErsatzTV.Core.Domain;
+
+namespace ErsatzTV.Core.Scheduling
+{
+    internal class ChronologicalMediaComparer : IComparer<MediaItem>
+    {
+        public int Compare(MediaItem x, MediaItem y)
+        {
+            if (x == null || y == null)
+            {
+                return 0;
+            }
+
+            DateTime date1 = x switch
+            {
+                Episode e => e.EpisodeMetadata.HeadOrNone().Match(
+                    em => em.ReleaseDate ?? DateTime.MaxValue,
+                    () => DateTime.MaxValue),
+                Movie m => m.MovieMetadata.HeadOrNone().Match(
+                    mm => mm.ReleaseDate ?? DateTime.MaxValue,
+                    () => DateTime.MaxValue),
+                MusicVideo mv => mv.MusicVideoMetadata.HeadOrNone().Match(
+                    mvm => mvm.ReleaseDate ?? DateTime.MaxValue,
+                    () => DateTime.MaxValue),
+                _ => DateTime.MaxValue
+            };
+
+            DateTime date2 = y switch
+            {
+                Episode e => e.EpisodeMetadata.HeadOrNone().Match(
+                    em => em.ReleaseDate ?? DateTime.MaxValue,
+                    () => DateTime.MaxValue),
+                Movie m => m.MovieMetadata.HeadOrNone().Match(
+                    mm => mm.ReleaseDate ?? DateTime.MaxValue,
+                    () => DateTime.MaxValue),
+                MusicVideo mv => mv.MusicVideoMetadata.HeadOrNone().Match(
+                    mvm => mvm.ReleaseDate ?? DateTime.MaxValue,
+                    () => DateTime.MaxValue),
+                _ => DateTime.MaxValue
+            };
+
+            if (date1 != date2)
+            {
+                return date1.CompareTo(date2);
+            }
+
+            int season1 = x switch
+            {
+                Episode e => e.Season?.SeasonNumber ?? int.MaxValue,
+                _ => int.MaxValue
+            };
+
+            int season2 = y switch
+            {
+                Episode e => e.Season?.SeasonNumber ?? int.MaxValue,
+                _ => int.MaxValue
+            };
+
+            if (season1 != season2)
+            {
+                return season1.CompareTo(season2);
+            }
+
+            int episode1 = x switch
+            {
+                Episode e => e.EpisodeNumber,
+                _ => int.MaxValue
+            };
+
+            int episode2 = y switch
+            {
+                Episode e => e.EpisodeNumber,
+                _ => int.MaxValue
+            };
+
+            if (episode1 != episode2)
+            {
+                return episode1.CompareTo(episode2);
+            }
+
+            return x.Id.CompareTo(y.Id);
+        }
+    }
+}