Hide feed section if tracker is disabled

app/src/main/java/org/koitharu/kotatsu/main/ui/MainActivity.kt

@@ -20,7 +20,6 @@ import androidx.fragment.app.FragmentTransaction
 import androidx.fragment.app.commit
 import androidx.lifecycle.lifecycleScope
 import androidx.transition.TransitionManager
-import com.google.android.material.R as materialR
 import com.google.android.material.appbar.AppBarLayout
 import com.google.android.material.appbar.AppBarLayout.LayoutParams.*
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
@@ -61,6 +60,7 @@ import org.koitharu.kotatsu.tracker.ui.FeedFragment
 import org.koitharu.kotatsu.tracker.work.TrackWorker
 import org.koitharu.kotatsu.utils.VoiceInputContract
 import org.koitharu.kotatsu.utils.ext.*
+import com.google.android.material.R as materialR
 
 private const val TAG_PRIMARY = "primary"
 private const val TAG_SEARCH = "search"
@@ -141,6 +141,7 @@ class MainActivity :
 		viewModel.isResumeEnabled.observe(this, this::onResumeEnabledChanged)
 		viewModel.remoteSources.observe(this, this::updateSideMenu)
 		viewModel.isSuggestionsEnabled.observe(this, this::setSuggestionsEnabled)
+		viewModel.isTrackerEnabled.observe(this, this::setTrackerEnabled)
 	}
 
 	override fun onRestoreInstanceState(savedInstanceState: Bundle) {
@@ -359,6 +360,14 @@ class MainActivity :
 		item.isVisible = isEnabled
 	}
 
+	private fun setTrackerEnabled(isEnabled: Boolean) {
+		val item = binding.navigationView.menu.findItem(R.id.nav_feed) ?: return
+		if (!isEnabled && item.isChecked) {
+			binding.navigationView.setCheckedItem(R.id.nav_history)
+		}
+		item.isVisible = isEnabled
+	}
+
 	private fun openDefaultSection() {
 		when (viewModel.defaultSection) {
 			AppSection.LOCAL -> {

app/src/main/java/org/koitharu/kotatsu/main/ui/MainViewModel.kt

@@ -7,6 +7,7 @@ import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onStart
 import org.koitharu.kotatsu.base.ui.BaseViewModel
 import org.koitharu.kotatsu.core.exceptions.EmptyHistoryException
+import org.koitharu.kotatsu.core.prefs.AppSection
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.observeAsLiveData
 import org.koitharu.kotatsu.history.domain.HistoryRepository
@@ -16,16 +17,26 @@ import org.koitharu.kotatsu.utils.ext.asLiveDataDistinct
 
 class MainViewModel(
 	private val historyRepository: HistoryRepository,
-	settings: AppSettings
+	private val settings: AppSettings,
 ) : BaseViewModel() {
 
 	val onOpenReader = SingleLiveEvent<Manga>()
-	var defaultSection by settings::defaultSection
+	var defaultSection: AppSection
+		get() = settings.defaultSection
+		set(value) {
+			settings.defaultSection = value
+		}
 
 	val isSuggestionsEnabled = settings.observeAsLiveData(
 		context = viewModelScope.coroutineContext + Dispatchers.Default,
 		key = AppSettings.KEY_SUGGESTIONS,
-		valueProducer = { isSuggestionsEnabled }
+		valueProducer = { isSuggestionsEnabled },
+	)
+
+	val isTrackerEnabled = settings.observeAsLiveData(
+		context = viewModelScope.coroutineContext + Dispatchers.Default,
+		key = AppSettings.KEY_TRACKER_ENABLED,
+		valueProducer = { isTrackerEnabled },
 	)
 
 	val isResumeEnabled = historyRepository