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e52b9d15b5
* chore: bump dart sdk to 3.8 * chore: make build * make pigeon * chore: format files --------- Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
31 lines
1.2 KiB
Dart
31 lines
1.2 KiB
Dart
import 'package:immich_mobile/entities/asset.entity.dart';
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import 'package:timezone/timezone.dart';
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extension TZExtension on Asset {
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/// Returns the created time of the asset from the exif info (if available) or from
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/// the fileCreatedAt field, adjusted to the timezone value from the exif info along with
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/// the timezone offset in [Duration]
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(DateTime, Duration) getTZAdjustedTimeAndOffset() {
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DateTime dt = fileCreatedAt.toLocal();
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if (exifInfo?.dateTimeOriginal != null) {
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dt = exifInfo!.dateTimeOriginal!;
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if (exifInfo?.timeZone != null) {
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dt = dt.toUtc();
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try {
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final location = getLocation(exifInfo!.timeZone!);
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dt = TZDateTime.from(dt, location);
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} on LocationNotFoundException {
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RegExp re = RegExp(r'^utc(?:([+-]\d{1,2})(?::(\d{2}))?)?$', caseSensitive: false);
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final m = re.firstMatch(exifInfo!.timeZone!);
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if (m != null) {
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final duration = Duration(hours: int.parse(m.group(1) ?? '0'), minutes: int.parse(m.group(2) ?? '0'));
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dt = dt.add(duration);
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return (dt, duration);
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}
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}
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}
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}
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return (dt, dt.timeZoneOffset);
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}
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}
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