Show available but not installed enhanced trackers

Closes #8859

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsTrackingScreen.kt

@@ -44,6 +44,7 @@ import androidx.compose.ui.unit.dp
 import eu.kanade.domain.track.service.TrackPreferences
 import eu.kanade.presentation.more.settings.Preference
 import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.track.EnhancedTrackService
 import eu.kanade.tachiyomi.data.track.TrackManager
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.data.track.anilist.AnilistApi
@@ -102,6 +103,23 @@ object SettingsTrackingScreen : SearchableSettings {
             }
         }
 
+        val enhancedTrackers = trackManager.services
+            .filter { it is EnhancedTrackService }
+            .partition { service ->
+                val acceptedSources = (service as EnhancedTrackService).getAcceptedSources()
+                sourceManager.getCatalogueSources().any { it::class.qualifiedName in acceptedSources }
+            }
+        var enhancedTrackerInfo = stringResource(R.string.enhanced_tracking_info)
+        if (enhancedTrackers.second.isNotEmpty()) {
+            val missingSourcesInfo = stringResource(
+                R.string.enhanced_services_not_installed,
+                enhancedTrackers.second
+                    .map { stringResource(it.nameRes()) }
+                    .joinToString(),
+            )
+            enhancedTrackerInfo += "\n\n$missingSourcesInfo"
+        }
+
         return listOf(
             Preference.PreferenceItem.SwitchPreference(
                 pref = trackPreferences.autoUpdateTrack(),
@@ -151,19 +169,15 @@ object SettingsTrackingScreen : SearchableSettings {
             ),
             Preference.PreferenceGroup(
                 title = stringResource(R.string.enhanced_services),
-                preferenceItems = listOf(trackManager.komga, trackManager.kavita, trackManager.suwayomi)
-                    .filter { service ->
-                        val acceptedSources = service.getAcceptedSources()
-                        sourceManager.getCatalogueSources().any { it::class.qualifiedName in acceptedSources }
-                    }
+                preferenceItems = enhancedTrackers.first
                     .map { service ->
                         Preference.PreferenceItem.TrackingPreference(
                             title = stringResource(service.nameRes()),
                             service = service,
-                            login = service::loginNoop,
+                            login = { (service as EnhancedTrackService).loginNoop() },
                             logout = service::logout,
                         )
-                    } + listOf(Preference.PreferenceItem.InfoPreference(stringResource(R.string.enhanced_tracking_info))),
+                    } + listOf(Preference.PreferenceItem.InfoPreference(enhancedTrackerInfo)),
             ),
         )
     }

app/src/main/java/eu/kanade/tachiyomi/data/track/EnhancedTrackService.kt

@@ -22,6 +22,8 @@ interface EnhancedTrackService {
      */
     fun getAcceptedSources(): List<String>
 
+    fun loginNoop()
+
     /**
      * match is similar to TrackService.search, but only return zero or one match.
      */

app/src/main/java/eu/kanade/tachiyomi/data/track/NoLoginTrackService.kt

@@ -1,8 +0,0 @@
-package eu.kanade.tachiyomi.data.track
-
-/**
- * A TrackService that doesn't need explicit login.
- */
-interface NoLoginTrackService {
-    fun loginNoop()
-}

app/src/main/java/eu/kanade/tachiyomi/data/track/kavita/Kavita.kt

@@ -8,14 +8,13 @@ import eu.kanade.domain.manga.model.Manga
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.track.EnhancedTrackService
-import eu.kanade.tachiyomi.data.track.NoLoginTrackService
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.source.Source
 import java.security.MessageDigest
 import eu.kanade.domain.track.model.Track as DomainTrack
 
-class Kavita(private val context: Context, id: Long) : TrackService(id), EnhancedTrackService, NoLoginTrackService {
+class Kavita(private val context: Context, id: Long) : TrackService(id), EnhancedTrackService {
 
     companion object {
         const val UNREAD = 1

app/src/main/java/eu/kanade/tachiyomi/data/track/komga/Komga.kt

@@ -7,7 +7,6 @@ import eu.kanade.domain.manga.model.Manga
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.track.EnhancedTrackService
-import eu.kanade.tachiyomi.data.track.NoLoginTrackService
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.source.Source
@@ -15,7 +14,7 @@ import okhttp3.Dns
 import okhttp3.OkHttpClient
 import eu.kanade.domain.track.model.Track as DomainTrack
 
-class Komga(private val context: Context, id: Long) : TrackService(id), EnhancedTrackService, NoLoginTrackService {
+class Komga(private val context: Context, id: Long) : TrackService(id), EnhancedTrackService {
 
     companion object {
         const val UNREAD = 1

app/src/main/java/eu/kanade/tachiyomi/data/track/suwayomi/Suwayomi.kt

@@ -6,14 +6,13 @@ import androidx.annotation.StringRes
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.track.EnhancedTrackService
-import eu.kanade.tachiyomi.data.track.NoLoginTrackService
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.source.Source
 import eu.kanade.domain.manga.model.Manga as DomainManga
 import eu.kanade.domain.track.model.Track as DomainTrack
 
-class Suwayomi(private val context: Context, id: Long) : TrackService(id), NoLoginTrackService, EnhancedTrackService {
+class Suwayomi(private val context: Context, id: Long) : TrackService(id), EnhancedTrackService {
     val api by lazy { TachideskApi() }
 
     @StringRes