Refactor backup/restore

Close #575

services/backup/src/main/java/de/mm20/launcher2/backup/BackupComponent.kt

@@ -1,16 +0,0 @@
-package de.mm20.launcher2.backup
-
-enum class BackupComponent(val value: String) {
-    Settings("settings"),
-    Favorites("favorites"),
-    Widgets("widgets2"),
-    Customizations("customizations"),
-    SearchActions("searchactions"),
-    Themes("themes");
-
-    companion object {
-        fun fromValue(value: String): BackupComponent? {
-            return entries.firstOrNull { it.value == value }
-        }
-    }
-}

services/backup/src/main/java/de/mm20/launcher2/backup/BackupManager.kt

@@ -3,14 +3,6 @@ package de.mm20.launcher2.backup
 import android.content.Context
 import android.net.Uri
 import android.os.Build
-import de.mm20.launcher2.data.customattrs.CustomAttributesRepository
-import de.mm20.launcher2.searchable.SavableSearchableRepository
-import de.mm20.launcher2.preferences.LauncherDataStore
-import de.mm20.launcher2.preferences.export
-import de.mm20.launcher2.preferences.import
-import de.mm20.launcher2.searchactions.SearchActionRepository
-import de.mm20.launcher2.themes.ThemeRepository
-import de.mm20.launcher2.widgets.WidgetRepository
 import kotlinx.coroutines.*
 import java.io.File
 import java.io.InputStream
@@ -21,12 +13,7 @@ import java.util.zip.ZipOutputStream
 
 class BackupManager(
     private val context: Context,
-    private val dataStore: LauncherDataStore,
-    private val searchableRepository: SavableSearchableRepository,
-    private val widgetRepository: WidgetRepository,
-    private val searchActionRepository: SearchActionRepository,
-    private val customAttrsRepository: CustomAttributesRepository,
-    private val themesRepository: ThemeRepository,
+    private val components: List<Backupable>,
 ) {
     private val scope = CoroutineScope(Dispatchers.Default + Job())
 
@@ -35,8 +22,7 @@ class BackupManager(
      * @return Uri to the created backup archive
      */
     suspend fun backup(
-        uri: Uri,
-        include: Set<BackupComponent> = BackupComponent.entries.toSet()
+        uri: Uri
     ) {
 
         val packageInfo = context.packageManager.getPackageInfo(context.packageName, 0)
@@ -45,7 +31,6 @@ class BackupManager(
             appVersionName = packageInfo.versionName,
             timestamp = System.currentTimeMillis(),
             deviceName = Build.MODEL,
-            components = include,
             format = BackupFormat,
         )
 
@@ -60,28 +45,8 @@ class BackupManager(
             val metaFile = File(backupDir, "meta")
             meta.writeToFile(metaFile)
 
-            if (include.contains(BackupComponent.Settings)) {
-                dataStore.export(backupDir)
-            }
-
-            if (include.contains(BackupComponent.Favorites)) {
-                searchableRepository.export(backupDir)
-            }
-
-            if (include.contains(BackupComponent.Widgets)) {
-                widgetRepository.export(backupDir)
-            }
-
-            if (include.contains(BackupComponent.SearchActions)) {
-                searchActionRepository.export(backupDir)
-            }
-
-            if (include.contains(BackupComponent.Customizations)) {
-                customAttrsRepository.export(backupDir)
-            }
-
-            if (include.contains(BackupComponent.Themes)) {
-                themesRepository.export(backupDir)
+            for (component in components) {
+                component.backup(backupDir)
             }
 
             createArchive(backupDir, outputStream)
@@ -92,7 +57,6 @@ class BackupManager(
 
     suspend fun restore(
         uri: Uri,
-        include: Set<BackupComponent> = BackupComponent.values().toSet()
     ) {
         val job = scope.launch {
             withContext(Dispatchers.IO) {
@@ -105,28 +69,8 @@ class BackupManager(
                 extractArchive(inputStream, restoreDir)
                 inputStream.close()
 
-                if (include.contains(BackupComponent.Settings)) {
-                    dataStore.import(context, restoreDir)
-                }
-
-                if (include.contains(BackupComponent.Favorites)) {
-                    searchableRepository.import(restoreDir)
-                }
-
-                if (include.contains(BackupComponent.Widgets)) {
-                    widgetRepository.import(restoreDir)
-                }
-
-                if (include.contains(BackupComponent.SearchActions)) {
-                    searchActionRepository.import(restoreDir)
-                }
-
-                if (include.contains(BackupComponent.Customizations)) {
-                    customAttrsRepository.import(restoreDir)
-                }
-
-                if (include.contains(BackupComponent.Themes)) {
-                    themesRepository.import(restoreDir)
+                for (component in components) {
+                    component.restore(restoreDir)
                 }
             }
         }
@@ -198,7 +142,7 @@ class BackupManager(
          */
 
         private const val BackupFormatMajor = 1
-        private const val BackupFormatMinor = 7
+        private const val BackupFormatMinor = 8
         internal const val BackupFormat = "$BackupFormatMajor.$BackupFormatMinor"
     }
 }

services/backup/src/main/java/de/mm20/launcher2/backup/BackupMetadata.kt

@@ -17,7 +17,6 @@ data class BackupMetadata(
      * Backup schema version in format x.y.
      */
     val format: String,
-    val components: Set<BackupComponent>,
 ) {
 
     internal suspend fun writeToFile(file: File) {
@@ -26,7 +25,7 @@ data class BackupMetadata(
             "timestamp" to timestamp,
             "format" to format,
             "versionName" to appVersionName,
-            "components" to JSONArray(components.map { it.value })
+            "components" to JSONArray()
         )
         withContext(Dispatchers.IO) {
             file.outputStream().bufferedWriter().use {
@@ -46,14 +45,6 @@ data class BackupMetadata(
                         timestamp = json.optLong("timestamp"),
                         format = json.optString("format"),
                         appVersionName = json.optString("versionName"),
-                        components = json.getJSONArray("components").let {
-                            val set = mutableSetOf<BackupComponent>()
-                            for (i in 0 until it.length()) {
-                                val component = BackupComponent.fromValue(it.getString(i))
-                                if (component != null) set.add(component)
-                            }
-                            set
-                        }
                     )
                 } catch (e: JSONException) {
                     return@withContext null

services/backup/src/main/java/de/mm20/launcher2/backup/Module.kt

@@ -4,5 +4,5 @@ import org.koin.android.ext.koin.androidContext
 import org.koin.dsl.module
 
 val backupModule = module {
-    single { BackupManager(androidContext(), get(), get(), get(), get(), get(), get()) }
+    single { BackupManager(androidContext(), getAll()) }
 }