Source Code added

mobile/lib/extensions/asset_extensions.dart

@@ -0,0 +1,17 @@
+import 'package:immich_mobile/entities/asset.entity.dart';
+import 'package:immich_mobile/utils/timezone.dart';
+
+extension TZExtension on Asset {
+  /// Returns the created time of the asset from the exif info (if available) or from
+  /// the fileCreatedAt field, adjusted to the timezone value from the exif info along with
+  /// the timezone offset in [Duration]
+  (DateTime, Duration) getTZAdjustedTimeAndOffset() {
+    DateTime dt = fileCreatedAt.toLocal();
+
+    if (exifInfo?.dateTimeOriginal != null) {
+      return applyTimezoneOffset(dateTime: exifInfo!.dateTimeOriginal!, timeZone: exifInfo?.timeZone);
+    }
+
+    return (dt, dt.timeZoneOffset);
+  }
+}