Added random library sort (#1317)

Co-authored-by: AntsyLich <59261191+AntsyLich@users.noreply.github.com>

app/src/main/java/eu/kanade/presentation/library/LibrarySettingsDialog.kt

@@ -6,6 +6,8 @@ import androidx.compose.foundation.layout.ColumnScope
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Refresh
 import androidx.compose.material3.FilterChip
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -27,6 +29,7 @@ import tachiyomi.domain.library.model.LibrarySort
 import tachiyomi.domain.library.model.sort
 import tachiyomi.domain.library.service.LibraryPreferences
 import tachiyomi.i18n.MR
+import tachiyomi.presentation.core.components.BaseSortItem
 import tachiyomi.presentation.core.components.CheckboxItem
 import tachiyomi.presentation.core.components.HeadingItem
 import tachiyomi.presentation.core.components.SettingsChipRow
@@ -178,7 +181,19 @@ private fun ColumnScope.SortPage(
         MR.strings.action_sort_latest_chapter to LibrarySort.Type.LatestChapter,
         MR.strings.action_sort_chapter_fetch_date to LibrarySort.Type.ChapterFetchDate,
         MR.strings.action_sort_date_added to LibrarySort.Type.DateAdded,
+        MR.strings.action_sort_random to LibrarySort.Type.Random,
     ).plus(trackerSortOption).map { (titleRes, mode) ->
+        if (mode == LibrarySort.Type.Random) {
+            BaseSortItem(
+                label = stringResource(titleRes),
+                icon = Icons.Default.Refresh
+                    .takeIf { sortingMode == LibrarySort.Type.Random },
+                onClick = {
+                    screenModel.setSort(category, mode, LibrarySort.Direction.Ascending)
+                },
+            )
+            return@map
+        }
         SortItem(
             label = stringResource(titleRes),
             sortDescending = sortDescending.takeIf { sortingMode == mode },

app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryScreenModel.kt

@@ -72,6 +72,7 @@ import tachiyomi.domain.track.model.Track
 import tachiyomi.source.local.isLocal
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
+import kotlin.random.Random
 
 /**
  * Typealias for the library manga, using the category as keys, and list of manga as values.
@@ -300,10 +301,17 @@ class LibraryScreenModel(
                     val item2Score = trackerScores[i2.libraryManga.id] ?: defaultTrackerScoreSortValue
                     item1Score.compareTo(item2Score)
                 }
+                LibrarySort.Type.Random -> {
+                    error("Why Are We Still Here? Just To Suffer?")
+                }
             }
         }
 
         return mapValues { (key, value) ->
+            if (key.sort.type == LibrarySort.Type.Random) {
+                return@mapValues value.shuffled(Random(libraryPreferences.randomSortSeed().get()))
+            }
+
             val comparator = key.sort.comparator()
                 .let { if (key.sort.isAscending) it else it.reversed() }
                 .thenComparator(sortAlphabetically)

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

@@ -6,6 +6,7 @@ import tachiyomi.domain.category.repository.CategoryRepository
 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,
@@ -15,6 +16,9 @@ class SetSortModeForCategory(
     suspend fun await(categoryId: Long?, type: LibrarySort.Type, direction: LibrarySort.Direction) {
         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)
 
         companion object {
             fun valueOf(flag: Long): Type {
@@ -77,6 +78,7 @@ data class LibrarySort(
                 Type.ChapterFetchDate,
                 Type.DateAdded,
                 Type.TrackerMean,
+                Type.Random,
             )
         }
         val directions by lazy { setOf(Direction.Ascending, Direction.Descending) }
@@ -104,6 +106,7 @@ data class LibrarySort(
                     "CHAPTER_FETCH_DATE" -> Type.ChapterFetchDate
                     "DATE_ADDED" -> Type.DateAdded
                     "TRACKER_MEAN" -> Type.TrackerMean
+                    "RANDOM" -> Type.Random
                     else -> Type.Alphabetical
                 }
                 val ascending = if (values[1] == "ASCENDING") Direction.Ascending else Direction.Descending
@@ -125,6 +128,7 @@ data class LibrarySort(
             Type.ChapterFetchDate -> "CHAPTER_FETCH_DATE"
             Type.DateAdded -> "DATE_ADDED"
             Type.TrackerMean -> "TRACKER_MEAN"
+            Type.Random -> "RANDOM"
         }
         val direction = if (direction == Direction.Ascending) "ASCENDING" else "DESCENDING"
         return "$type,$direction"

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

@@ -26,6 +26,8 @@ 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
     }
 

i18n/src/commonMain/moko-resources/base/strings.xml

@@ -69,6 +69,7 @@
     <string name="action_sort_chapter_fetch_date">Chapter fetch date</string>
     <string name="action_sort_date_added">Date added</string>
     <string name="action_sort_tracker_score">Tracker score</string>
+    <string name="action_sort_random">Random</string>
     <string name="action_search">Search</string>
     <string name="action_search_hint">Search…</string>
     <string name="action_search_settings">Search settings</string>

presentation-core/src/main/java/tachiyomi/presentation/core/components/SettingsItems.kt

@@ -98,12 +98,21 @@ fun SortItem(label: String, sortDescending: Boolean?, onClick: () -> Unit) {
         null -> null
     }
 
+    BaseSortItem(
+        label = label,
+        icon = arrowIcon,
+        onClick = onClick,
+    )
+}
+
+@Composable
+fun BaseSortItem(label: String, icon: ImageVector?, onClick: () -> Unit) {
     BaseSettingsItem(
         label = label,
         widget = {
-            if (arrowIcon != null) {
+            if (icon != null) {
                 Icon(
-                    imageVector = arrowIcon,
+                    imageVector = icon,
                     contentDescription = null,
                     tint = MaterialTheme.colorScheme.primary,
                 )