Change database checkpoint procedure (#406)

app/src/main/kotlin/it/vfsfitvnm/vimusic/Database.kt

@@ -2,7 +2,6 @@ package it.vfsfitvnm.vimusic
 
 import android.content.ContentValues
 import android.content.Context
-import android.database.Cursor
 import android.database.sqlite.SQLiteDatabase.CONFLICT_IGNORE
 import android.os.Parcel
 import androidx.core.database.getFloatOrNull
@@ -15,6 +14,7 @@ import androidx.room.DeleteTable
 import androidx.room.Insert
 import androidx.room.OnConflictStrategy
 import androidx.room.Query
+import androidx.room.RawQuery
 import androidx.room.RenameColumn
 import androidx.room.RenameTable
 import androidx.room.RewriteQueriesToDropUnusedColumns
@@ -29,6 +29,7 @@ import androidx.room.migration.AutoMigrationSpec
 import androidx.room.migration.Migration
 import androidx.sqlite.db.SimpleSQLiteQuery
 import androidx.sqlite.db.SupportSQLiteDatabase
+import androidx.sqlite.db.SupportSQLiteQuery
 import it.vfsfitvnm.vimusic.enums.AlbumSortBy
 import it.vfsfitvnm.vimusic.enums.ArtistSortBy
 import it.vfsfitvnm.vimusic.enums.PlaylistSortBy
@@ -410,6 +411,13 @@ interface Database {
 
     @Delete
     fun delete(songPlaylistMap: SongPlaylistMap)
+
+    @RawQuery
+    fun raw(supportSQLiteQuery: SupportSQLiteQuery): Int
+
+    fun checkpoint() {
+        raw(SimpleSQLiteQuery("PRAGMA wal_checkpoint(FULL)"))
+    }
 }
 
 @androidx.room.Database(
@@ -635,19 +643,3 @@ fun transaction(block: () -> Unit) = with(DatabaseInitializer.Instance) {
 
 val RoomDatabase.path: String?
     get() = openHelper.writableDatabase.path
-
-fun RoomDatabase.checkpoint() {
-    openHelper.writableDatabase.run {
-        query("PRAGMA journal_mode").use { cursor ->
-            if (cursor.moveToFirst()) {
-                when (cursor.getString(0).lowercase()) {
-                    "wal" -> {
-                        query("PRAGMA wal_checkpoint").use(Cursor::moveToFirst)
-                        query("PRAGMA wal_checkpoint(TRUNCATE)").use(Cursor::moveToFirst)
-                        query("PRAGMA wal_checkpoint").use(Cursor::moveToFirst)
-                    }
-                }
-            }
-        }
-    }
-}

app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/settings/DatabaseSettings.kt

@@ -6,7 +6,10 @@ import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.animation.ExperimentalAnimationApi
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.WindowInsetsSides
+import androidx.compose.foundation.layout.asPaddingValues
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.only
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
@@ -17,10 +20,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
 import it.vfsfitvnm.vimusic.Database
 import it.vfsfitvnm.vimusic.LocalPlayerAwareWindowInsets
-import androidx.compose.foundation.layout.WindowInsetsSides
-import androidx.compose.foundation.layout.asPaddingValues
-import androidx.compose.foundation.layout.only
-import it.vfsfitvnm.vimusic.checkpoint
 import it.vfsfitvnm.vimusic.internal
 import it.vfsfitvnm.vimusic.path
 import it.vfsfitvnm.vimusic.query
@@ -56,7 +55,7 @@ fun DatabaseSettings() {
             if (uri == null) return@rememberLauncherForActivityResult
 
             query {
-                Database.internal.checkpoint()
+                Database.checkpoint()
 
                 context.applicationContext.contentResolver.openOutputStream(uri)
                     ?.use { outputStream ->
@@ -72,7 +71,7 @@ fun DatabaseSettings() {
             if (uri == null) return@rememberLauncherForActivityResult
 
             query {
-                Database.internal.checkpoint()
+                Database.checkpoint()
                 Database.internal.close()
 
                 context.applicationContext.contentResolver.openInputStream(uri)