Source Code added

mobile/lib/utils/isolate.dart

@@ -0,0 +1,95 @@
+import 'dart:async';
+import 'dart:ui';
+
+import 'package:flutter/services.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/domain/services/log.service.dart';
+import 'package:immich_mobile/entities/store.entity.dart';
+import 'package:immich_mobile/providers/db.provider.dart';
+import 'package:immich_mobile/providers/infrastructure/cancel.provider.dart';
+import 'package:immich_mobile/providers/infrastructure/db.provider.dart';
+import 'package:immich_mobile/utils/bootstrap.dart';
+import 'package:immich_mobile/utils/debug_print.dart';
+import 'package:immich_mobile/utils/http_ssl_options.dart';
+import 'package:immich_mobile/wm_executor.dart';
+import 'package:logging/logging.dart';
+import 'package:worker_manager/worker_manager.dart';
+
+class InvalidIsolateUsageException implements Exception {
+  const InvalidIsolateUsageException();
+
+  @override
+  String toString() => "IsolateHelper should only be used from the root isolate";
+}
+
+// !! Should be used only from the root isolate
+Cancelable<T?> runInIsolateGentle<T>({
+  required Future<T> Function(ProviderContainer ref) computation,
+  String? debugLabel,
+}) {
+  final token = RootIsolateToken.instance;
+  if (token == null) {
+    throw const InvalidIsolateUsageException();
+  }
+
+  return workerManagerPatch.executeGentle((cancelledChecker) async {
+    T? result;
+    await runZonedGuarded(
+      () async {
+        BackgroundIsolateBinaryMessenger.ensureInitialized(token);
+        DartPluginRegistrant.ensureInitialized();
+
+        final (isar, drift, logDb) = await Bootstrap.initDB();
+        await Bootstrap.initDomain(isar, drift, logDb, shouldBufferLogs: false, listenStoreUpdates: false);
+        final ref = ProviderContainer(
+          overrides: [
+            // TODO: Remove once isar is removed
+            dbProvider.overrideWithValue(isar),
+            isarProvider.overrideWithValue(isar),
+            cancellationProvider.overrideWithValue(cancelledChecker),
+            driftProvider.overrideWith(driftOverride(drift)),
+          ],
+        );
+
+        Logger log = Logger("IsolateLogger");
+
+        try {
+          HttpSSLOptions.apply(applyNative: false);
+          result = await computation(ref);
+        } on CanceledError {
+          log.warning("Computation cancelled ${debugLabel == null ? '' : ' for $debugLabel'}");
+        } catch (error, stack) {
+          log.severe("Error in runInIsolateGentle ${debugLabel == null ? '' : ' for $debugLabel'}", error, stack);
+        } finally {
+          try {
+            ref.dispose();
+
+            await Store.dispose();
+            await LogService.I.dispose();
+            await logDb.close();
+            await drift.close();
+
+            // Close Isar safely
+            try {
+              if (isar.isOpen) {
+                await isar.close();
+              }
+            } catch (e) {
+              dPrint(() => "Error closing Isar: $e");
+            }
+          } catch (error, stack) {
+            dPrint(() => "Error closing resources in isolate: $error, $stack");
+          } finally {
+            ref.dispose();
+            // Delay to ensure all resources are released
+            await Future.delayed(const Duration(seconds: 2));
+          }
+        }
+      },
+      (error, stack) {
+        dPrint(() => "Error in isolate $debugLabel zone: $error, $stack");
+      },
+    );
+    return result;
+  });
+}