Added random library sort (#1317)

Co-authored-by: AntsyLich <59261191+AntsyLich@users.noreply.github.com>
(cherry picked from commit a72db41bf1746db095fd27bbbce9765c06453581)

# Conflicts:
#	app/src/main/java/eu/kanade/presentation/library/LibrarySettingsDialog.kt
#	app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt
#	domain/src/main/java/tachiyomi/domain/library/model/LibrarySortMode.kt

domain/src/main/java/tachiyomi/domain/category/interactor/SetSortModeForCategory.kt

@@ -7,6 +7,7 @@ import tachiyomi.domain.library.model.LibraryGroup
 import tachiyomi.domain.library.model.LibrarySort
 import tachiyomi.domain.library.model.plus
 import tachiyomi.domain.library.service.LibraryPreferences
+import kotlin.random.Random
 
 class SetSortModeForCategory(
     private val preferences: LibraryPreferences,
@@ -22,6 +23,9 @@ class SetSortModeForCategory(
         // SY <--
         val category = categoryId?.let { categoryRepository.get(it) }
         val flags = (category?.flags ?: 0) + type + direction
+        if (type == LibrarySort.Type.Random) {
+            preferences.randomSortSeed().set(Random.nextInt())
+        }
         if (category != null && preferences.categorizedDisplaySettings().get()) {
             categoryRepository.updatePartial(
                 CategoryUpdate(

domain/src/main/java/tachiyomi/domain/library/model/LibrarySortMode.kt

@@ -30,7 +30,8 @@ data class LibrarySort(
         data object LatestChapter : Type(0b00010100)
         data object ChapterFetchDate : Type(0b00011000)
         data object DateAdded : Type(0b00011100)
-        data object TrackerMean : Type(0b000100000)
+        data object TrackerMean : Type(0b00100000)
+        data object Random : Type(0b00111100)
 
         // SY -->
         data object TagList : Type(0b00100100)
@@ -81,6 +82,7 @@ data class LibrarySort(
                 Type.ChapterFetchDate,
                 Type.DateAdded,
                 Type.TrackerMean,
+                Type.Random,
                 /* SY -->*/ Type.TagList, /* SY <--*/
             )
         }
@@ -109,6 +111,7 @@ data class LibrarySort(
                     "CHAPTER_FETCH_DATE" -> Type.ChapterFetchDate
                     "DATE_ADDED" -> Type.DateAdded
                     "TRACKER_MEAN" -> Type.TrackerMean
+                    "RANDOM" -> Type.Random
                     // SY -->
                     "TAG_LIST" -> Type.TagList
                     // SY <--
@@ -133,6 +136,7 @@ data class LibrarySort(
             Type.ChapterFetchDate -> "CHAPTER_FETCH_DATE"
             Type.DateAdded -> "DATE_ADDED"
             Type.TrackerMean -> "TRACKER_MEAN"
+            Type.Random -> "RANDOM"
             // SY -->
             Type.TagList -> "TAG_LIST"
             // SY <--

domain/src/main/java/tachiyomi/domain/library/service/LibraryPreferences.kt

@@ -28,6 +28,8 @@ class LibraryPreferences(
         LibrarySort.Serializer::deserialize,
     )
 
+    fun randomSortSeed() = preferenceStore.getInt("library_random_sort_seed", 0)
+
     fun portraitColumns() = preferenceStore.getInt("pref_library_columns_portrait_key", 0)
 
     fun landscapeColumns() = preferenceStore.getInt("pref_library_columns_landscape_key", 0)

domain/src/test/java/tachiyomi/domain/library/model/LibraryFlagsTest.kt

@@ -12,7 +12,7 @@ class LibraryFlagsTest {
     @Test
     fun `Check the amount of flags`() {
         LibraryDisplayMode.values.size shouldBe 4
-        LibrarySort.types.size shouldBe 9
+        LibrarySort.types.size shouldBe 10
         LibrarySort.directions.size shouldBe 2
     }