Minor cleanup

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -349,7 +349,7 @@ class LibraryUpdateService(
                     }
                 }
                 LibraryGroup.BY_SOURCE -> {
-                    val sourceExtra = groupExtra.nullIfBlank()?.toIntOrNull()
+                    val sourceExtra = groupExtra?.nullIfBlank()?.toIntOrNull()
                     val source = libraryManga.map { it.source }
                         .distinct()
                         .sorted()

app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/feed/SourceFeedController.kt

@@ -124,7 +124,7 @@ open class SourceFeedController :
     }
 
     override fun onSearchViewQueryTextSubmit(query: String?) {
-        onBrowseClick(query.nullIfBlank())
+        onBrowseClick(query?.nullIfBlank())
     }
 
     override fun onSearchViewQueryTextChange(newText: String?) {

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

@@ -54,7 +54,6 @@ import exh.source.PERV_EDEN_IT_SOURCE_ID
 import exh.source.isEhBasedManga
 import exh.source.mangaDexSourceIds
 import exh.source.nHentaiSourceIds
-import exh.ui.LoaderManager
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.delay
@@ -121,7 +120,6 @@ class LibraryController(
 
     // Favorites
     private var favoritesSyncJob: Job? = null
-    val loaderManager = LoaderManager()
     // <-- EH
 
     init {
@@ -462,7 +460,7 @@ class LibraryController(
                         .setTitle(R.string.favorites_sync)
                         .setMessage(R.string.favorites_sync_conformation_message)
                         .setPositiveButton(android.R.string.ok) { _, _ ->
-                            presenter.favoritesSync.runSync()
+                            presenter.runSync()
                         }
                         .setNegativeButton(android.R.string.cancel, null)
                         .show()

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

@@ -168,14 +168,13 @@ class LibraryPresenter(
 
     var groupType = preferences.groupLibraryBy().get()
 
-    private val libraryIsGrouped
-        get() = groupType != LibraryGroup.UNGROUPED
-
     private val loggedServices by lazy { trackManager.services.filter { it.isLogged } }
 
-    private val services = trackManager.services.associate { service ->
+    private val services by lazy {
+        trackManager.services.associate { service ->
             service.id to context.getString(service.nameRes())
         }
+    }
 
     /**
      * Relay used to apply the UI update to the last emission of the library.
@@ -570,7 +569,7 @@ class LibraryPresenter(
         var editedCategories = categories
         val items = if (groupType == LibraryGroup.BY_DEFAULT) {
             map
-        } else if (!libraryIsGrouped) {
+        } else if (groupType == LibraryGroup.UNGROUPED) {
             editedCategories = listOf(Category(0, "All", 0, 0))
             mapOf(
                 0L to map.values.flatten().distinctBy { it.manga.id },
@@ -1123,9 +1122,8 @@ class LibraryPresenter(
         return map to categories
     }
 
-    override fun onDestroy() {
-        super.onDestroy()
-        favoritesSync.onDestroy()
+    fun runSync() {
+        favoritesSync.runSync(presenterScope)
     }
     // SY <--
 }

app/src/main/java/exh/favorites/FavoritesSyncHelper.kt

@@ -37,8 +37,6 @@ import exh.util.ignore
 import exh.util.wifiManager
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.cancel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.launch
 import okhttp3.FormBody
@@ -60,8 +58,6 @@ class FavoritesSyncHelper(val context: Context) {
 
     private val prefs: PreferencesHelper by injectLazy()
 
-    private val scope = CoroutineScope(Job() + Dispatchers.Main)
-
     private val exh by lazy {
         Injekt.get<SourceManager>().get(EXH_SOURCE_ID) as? EHentai
             ?: EHentai(0, true, context)
@@ -81,7 +77,7 @@ class FavoritesSyncHelper(val context: Context) {
     val status: MutableStateFlow<FavoritesSyncStatus> = MutableStateFlow(FavoritesSyncStatus.Idle(context))
 
     @Synchronized
-    fun runSync() {
+    fun runSync(scope: CoroutineScope) {
         if (status.value !is FavoritesSyncStatus.Idle) {
             return
         }
@@ -407,10 +403,6 @@ class FavoritesSyncHelper(val context: Context) {
 
     class IgnoredException : RuntimeException()
 
-    fun onDestroy() {
-        scope.cancel()
-    }
-
     companion object {
         private val THROTTLE_WARN = 1.seconds
     }

app/src/main/java/exh/ui/LoaderManager.kt

@@ -1,55 +0,0 @@
-package exh.ui
-
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.launch
-import java.util.UUID
-import kotlin.coroutines.CoroutineContext
-import kotlin.coroutines.EmptyCoroutineContext
-
-typealias LoadingHandle = String
-
-/**
- * Class used to manage loader UIs
- */
-class LoaderManager(parentContext: CoroutineContext = EmptyCoroutineContext) : CoroutineScope {
-    override val coroutineContext = Dispatchers.Main + parentContext
-
-    private val openLoadingHandles = mutableListOf<LoadingHandle>()
-    var loadingChangeListener: (suspend (newIsLoading: Boolean) -> Unit)? = null
-
-    fun openProgressBar(): LoadingHandle {
-        val (handle, shouldUpdateLoadingStatus) = synchronized(this) {
-            val handle = UUID.randomUUID().toString()
-            openLoadingHandles += handle
-            handle to (openLoadingHandles.size == 1)
-        }
-
-        if (shouldUpdateLoadingStatus) {
-            launch {
-                updateLoadingStatus(true)
-            }
-        }
-
-        return handle
-    }
-
-    @Synchronized
-    fun closeProgressBar(handle: LoadingHandle?) {
-        if (handle == null) return
-
-        val shouldUpdateLoadingStatus = synchronized(this) {
-            openLoadingHandles.remove(handle) && openLoadingHandles.isEmpty()
-        }
-
-        if (shouldUpdateLoadingStatus) {
-            launch {
-                updateLoadingStatus(false)
-            }
-        }
-    }
-
-    private suspend fun updateLoadingStatus(newStatus: Boolean) {
-        loadingChangeListener?.invoke(newStatus)
-    }
-}

app/src/main/java/exh/ui/batchadd/BatchAddPresenter.kt

@@ -8,8 +8,7 @@ import eu.kanade.tachiyomi.util.lang.withIOContext
 import exh.GalleryAddEvent
 import exh.GalleryAdder
 import exh.log.xLogE
-import exh.util.dropEmpty
-import exh.util.trimAll
+import exh.util.trimOrNull
 import kotlinx.coroutines.CoroutineExceptionHandler
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ensureActive
@@ -30,25 +29,21 @@ class BatchAddPresenter : BasePresenter<BatchAddController>() {
 
     fun addGalleries(context: Context, galleries: String) {
         eventFlow = MutableSharedFlow(1)
-        val regex =
-            """[0-9]*?\.[a-z0-9]*?:""".toRegex()
 
-        val testedGalleries = if (regex.containsMatchIn(galleries)) {
+        val splitGalleries = if (ehVisitedRegex.containsMatchIn(galleries)) {
             val url = if (preferences.enableExhentai().get()) {
                 "https://exhentai.org/g/"
             } else {
                 "https://e-hentai.org/g/"
             }
-            regex.findAll(galleries).map { galleryKeys ->
+            ehVisitedRegex.findAll(galleries).map { galleryKeys ->
                 val linkParts = galleryKeys.value.split(".")
                 url + linkParts[0] + "/" + linkParts[1].replace(":", "")
-            }.joinToString(separator = "\n")
+            }.toList()
         } else {
-            galleries
+            galleries.split("\n")
+                .mapNotNull(String::trimOrNull)
         }
-        val splitGalleries = testedGalleries.split("\n")
-            .trimAll()
-            .dropEmpty()
 
         progressFlow.value = 0
         progressTotalFlow.value = splitGalleries.size
@@ -92,5 +87,7 @@ class BatchAddPresenter : BasePresenter<BatchAddController>() {
         const val STATE_IDLE = 0
         const val STATE_INPUT_TO_PROGRESS = 1
         const val STATE_PROGRESS_TO_INPUT = 2
+
+        val ehVisitedRegex = """[0-9]*?\.[a-z0-9]*?:""".toRegex()
     }
 }

app/src/main/java/exh/util/StringUtil.kt

@@ -10,13 +10,6 @@ fun String.removeArticles(): String {
     return replace(articleRegex, "")
 }
 
-fun String.trimOrNull(): String? {
-    val trimmed = trim()
-    return trimmed.ifBlank { null }
-}
+fun String.trimOrNull() = trim().nullIfBlank()
 
-fun String?.nullIfBlank(): String? = if (isNullOrBlank()) {
-    null
-} else {
-    this
-}
+fun String.nullIfBlank(): String? = ifBlank { null }