Migrator improvements (#588)

app/src/main/java/eu/kanade/tachiyomi/ui/main/MainActivity.kt

@@ -87,10 +87,7 @@ import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.launch
 import logcat.LogPriority
 import mihon.core.migration.Migrator
-import mihon.core.migration.migrations.migrations
 import tachiyomi.core.common.Constants
-import tachiyomi.core.common.preference.Preference
-import tachiyomi.core.common.preference.PreferenceStore
 import tachiyomi.core.common.util.lang.launchIO
 import tachiyomi.core.common.util.system.logcat
 import tachiyomi.domain.library.service.LibraryPreferences
@@ -99,8 +96,6 @@ import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.i18n.stringResource
 import tachiyomi.presentation.core.util.collectAsState
-import uy.kohesive.injekt.Injekt
-import uy.kohesive.injekt.api.get
 import uy.kohesive.injekt.injectLazy
 import androidx.compose.ui.graphics.Color.Companion as ComposeColor
 
@@ -129,7 +124,7 @@ class MainActivity : BaseActivity() {
 
         super.onCreate(savedInstanceState)
 
-        val didMigration = migrate()
+        val didMigration = Migrator.awaitAndRelease()
 
         // Do not let the launcher create a new activity http://stackoverflow.com/questions/16283079
         if (!isTaskRoot) {
@@ -340,21 +335,6 @@ class MainActivity : BaseActivity() {
         }
     }
 
-    private fun migrate(): Boolean {
-        val preferenceStore = Injekt.get<PreferenceStore>()
-        val preference = preferenceStore.getInt(Preference.appStateKey("last_version_code"), 0)
-        logcat { "Migration from ${preference.get()} to ${BuildConfig.VERSION_CODE}" }
-        return Migrator.migrate(
-            old = preference.get(),
-            new = BuildConfig.VERSION_CODE,
-            migrations = migrations,
-            onMigrationComplete = {
-                logcat { "Updating last version to ${BuildConfig.VERSION_CODE}" }
-                preference.set(BuildConfig.VERSION_CODE)
-            },
-        )
-    }
-
     /**
      * Sets custom splash screen exit animation on devices prior to Android 12.
      *