Fix marking sources as new

app/src/main/java/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -152,7 +152,7 @@ class AppSettings(context: Context) {
 		}
 
 	fun markKnownSources(sources: Collection<MangaSource>) {
-		sourcesOrder = sourcesOrder + sources.map { it.name }
+		sourcesOrder = (sourcesOrder + sources.map { it.name }).distinct()
 	}
 
 	val isPagesNumbersEnabled: Boolean

app/src/main/java/org/koitharu/kotatsu/settings/sources/SourcesSettingsFragment.kt

@@ -21,7 +21,8 @@ import org.koitharu.kotatsu.settings.sources.adapter.SourceConfigAdapter
 import org.koitharu.kotatsu.settings.sources.adapter.SourceConfigListener
 import org.koitharu.kotatsu.settings.sources.model.SourceConfigItem
 
-class SourcesSettingsFragment : BaseFragment<FragmentSettingsSourcesBinding>(),
+class SourcesSettingsFragment :
+	BaseFragment<FragmentSettingsSourcesBinding>(),
 	SourceConfigListener,
 	SearchView.OnQueryTextListener,
 	MenuItem.OnActionExpandListener,
@@ -53,7 +54,6 @@ class SourcesSettingsFragment : BaseFragment<FragmentSettingsSourcesBinding>(),
 		val sourcesAdapter = SourceConfigAdapter(this, get(), viewLifecycleOwner)
 		with(binding.recyclerView) {
 			setHasFixedSize(true)
-			// addItemDecoration(SourceConfigItemDecoration(view.context))
 			adapter = sourcesAdapter
 			reorderHelper = ItemTouchHelper(SourcesReorderCallback()).also {
 				it.attachToRecyclerView(this)

app/src/main/java/org/koitharu/kotatsu/settings/sources/SourcesSettingsViewModel.kt

@@ -51,6 +51,9 @@ class SourcesSettingsViewModel(
 		} else {
 			settings.hiddenSources + source.name
 		}
+		if (isEnabled) {
+			settings.markKnownSources(setOf(source))
+		}
 		buildList()
 	}
 

app/src/main/java/org/koitharu/kotatsu/settings/sources/adapter/SourceConfigItemDecoration.kt

@@ -1,15 +0,0 @@
-package org.koitharu.kotatsu.settings.sources.adapter
-
-import android.content.Context
-import androidx.recyclerview.widget.RecyclerView
-import org.koitharu.kotatsu.base.ui.list.decor.AbstractDividerItemDecoration
-
-class SourceConfigItemDecoration(context: Context) : AbstractDividerItemDecoration(context) {
-
-	override fun shouldDrawDivider(
-		above: RecyclerView.ViewHolder,
-		below: RecyclerView.ViewHolder,
-	): Boolean {
-		return above.itemViewType != 0 && below.itemViewType != 0
-	}
-}