Support backup database on iOS (#400)

andreped · Jan 6, 2025 · a3d747f · a3d747f
1 parent 1af78d6
commit a3d747f
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Showing 2 changed files with 29 additions and 39 deletions.
diff --git a/lib/core/database.dart b/lib/core/database.dart
@@ -5,6 +5,7 @@ import 'package:path/path.dart';
 import '../common/constants.dart';
 import 'package:logging/logging.dart';
 import 'package:flutter/material.dart';
+import 'package:path_provider/path_provider.dart';
 
 // Initialize the logger
 final Logger _logger = Logger('DatabaseLogger');
@@ -577,7 +578,8 @@ class DatabaseHelper {
       if (Platform.isAndroid) {
         backupPath = '/storage/emulated/0/Download/backup_database.db';
       } else if (Platform.isIOS) {
-        throw Exception('Unsupported platform');
+        final directory = await getApplicationDocumentsDirectory();
+        backupPath = '${directory.path}/backup_database.db';
       } else {
         throw Exception('Unsupported platform');
       }
@@ -596,21 +598,31 @@ class DatabaseHelper {
 
   Future<void> restoreDatabase(BuildContext context) async {
     try {
-      // Use file picker to select the backup file
-      FilePickerResult? result = await FilePicker.platform.pickFiles(
-        type: FileType.any,
-      );
-
-      if (result == null) {
-        print('No file selected');
-        await _showDialog(context, 'Restore Failed', 'No file selected');
-        return;
-      }
+      String file_path;
+      if (Platform.isIOS) {
+        final directory = await getApplicationDocumentsDirectory();
+        file_path = '${directory.path}/backup_database.db';
+      } else if (Platform.isAndroid) {
+        file_path = '/storage/emulated/0/Download/backup_database.db';
+
+        // Use file picker to select the backup file
+        FilePickerResult? result = await FilePicker.platform.pickFiles(
+          type: FileType.any,
+        );
 
-      String selectedFilePath = result.files.single.path!;
-      File selectedFile = File(selectedFilePath);
+        if (result == null) {
+          print('No file selected');
+          await _showDialog(context, 'Restore Failed', 'No file selected');
+          return;
+        }
 
+        file_path = result.files.single.path!;
+      } else {
+        throw Exception('Unsupported platform');
+      }
+
       // Check if the backup file exists
+      File selectedFile = File(file_path);
       if (!await selectedFile.exists()) {
         print('File does not exist');
         await _showDialog(context, 'Restore Failed', 'File does not exist');
@@ -621,7 +633,7 @@ class DatabaseHelper {
       String dbPath = await _databasePath();
 
       // Open the backup database
-      Database backupDb = await openDatabase(selectedFile.path);
+      Database backupDb = await openDatabase(file_path);
 
       // Open the destination database
       Database destinationDb = await openDatabase(dbPath);
@@ -664,9 +676,9 @@ class DatabaseHelper {
       // Close the backup database after transferring records
       await backupDb.close();
 
-      print('Database restored successfully from $selectedFilePath');
+      print('Database restored successfully from $file_path');
       await _showDialog(context, 'Restore Successful',
-          'Database restored successfully from $selectedFilePath');
+          'Database restored successfully from $file_path');
     } catch (e) {
       print('Failed to restore database: $e');
       await _showDialog(

diff --git a/lib/widgets/settings/settings.dart b/lib/widgets/settings/settings.dart
@@ -428,29 +428,7 @@ class SettingsModalState extends State<SettingsModal> {
               trailing: IconButton(
                 icon: const Icon(Icons.backup, color: Colors.blueAccent),
                 onPressed: () async {
-                  if (Platform.isIOS) {
-                    // Show dialog informing the user that backup is only available on Android
-                    await showDialog(
-                      context: context,
-                      builder: (BuildContext context) {
-                        return AlertDialog(
-                          title: const Text('Backup Unavailable'),
-                          content: const Text(
-                              'This functionality is only available on Android.'),
-                          actions: <Widget>[
-                            TextButton(
-                              child: const Text('OK'),
-                              onPressed: () {
-                                Navigator.of(context).pop();
-                              },
-                            ),
-                          ],
-                        );
-                      },
-                    );
-                  } else {
-                    await _dbHelper.backupDatabase(context);
-                  }
+                  await _dbHelper.backupDatabase(context);
                 },
               ),
             ),