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

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
@@ -35,6 +37,7 @@ import tachiyomi.domain.library.model.sort
 import tachiyomi.domain.library.service.LibraryPreferences
 import tachiyomi.i18n.MR
 import tachiyomi.i18n.sy.SYMR
+import tachiyomi.presentation.core.components.BaseSortItem
 import tachiyomi.presentation.core.components.CheckboxItem
 import tachiyomi.presentation.core.components.HeadingItem
 import tachiyomi.presentation.core.components.IconItem
@@ -222,6 +225,7 @@ 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,
         // SY -->
         if (hasSortTags) {
             SYMR.strings.tag_sorting to LibrarySort.Type.TagList
@@ -230,6 +234,17 @@ private fun ColumnScope.SortPage(
         },
         // SY <--
     ).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 },
@@ -241,7 +256,11 @@ private fun ColumnScope.SortPage(
                     } else {
                         LibrarySort.Direction.Descending
                     }
-                    else -> if (sortDescending) LibrarySort.Direction.Descending else LibrarySort.Direction.Ascending
+                    else -> if (sortDescending) {
+                        LibrarySort.Direction.Descending
+                    } else {
+                        LibrarySort.Direction.Ascending
+                    }
                 }
                 screenModel.setSort(category, mode, direction)
             },

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

@@ -117,6 +117,7 @@ import tachiyomi.source.local.LocalSource
 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.
@@ -447,6 +448,9 @@ class LibraryScreenModel(
                     val item2Score = trackerScores[i2.libraryManga.id] ?: defaultTrackerScoreSortValue
                     item1Score.compareTo(item2Score)
                 }
+                LibrarySort.Type.Random -> {
+                    error("Why Are We Still Here? Just To Suffer?")
+                }
                 // SY -->
                 LibrarySort.Type.TagList -> {
                     val manga1IndexOfTag = listOfTags.indexOfFirst {
@@ -463,10 +467,13 @@ class LibraryScreenModel(
 
         return mapValues { (key, value) ->
             // SY -->
-            val isAscending = groupSort?.isAscending ?: key.sort.isAscending
-            // SY <--
-            val comparator = key.sort.comparator()
-                .let { if (/* SY --> */ isAscending /* SY <-- */) it else it.reversed() }
+            val sort = groupSort ?: key.sort
+            if (sort.type == LibrarySort.Type.Random) {
+                return@mapValues value.shuffled(Random(libraryPreferences.randomSortSeed().get()))
+            }
+            val comparator = sort.comparator()
+                // SY <--
+                .let { if (/* SY --> */ sort.isAscending /* SY <-- */) it else it.reversed() }
                 .thenComparator(sortAlphabetically)
 
             value.sortedWith(comparator)