revert mainactivity

app/src/main/java/xyz/quaver/pupil/ui/MainActivity.kt

@@ -93,6 +93,16 @@ import kotlin.math.max
 import kotlin.math.min
 import kotlin.math.roundToInt
 
+val sortModeLookup = mapOf(
+    R.id.main_menu_sort_date_added to SortMode.DATE_ADDED,
+    R.id.main_menu_sort_date_published to SortMode.DATE_PUBLISHED,
+    R.id.main_menu_sort_popular_today to SortMode.POPULAR_TODAY,
+    R.id.main_menu_sort_popular_week to SortMode.POPULAR_WEEK,
+    R.id.main_menu_sort_popular_month to SortMode.POPULAR_MONTH,
+    R.id.main_menu_sort_popular_year to SortMode.POPULAR_YEAR,
+    R.id.main_menu_sort_random to SortMode.RANDOM
+)
+
 class MainActivity :
     BaseActivity(),
     NavigationView.OnNavigationItemSelectedListener {