mirror-immich/mobile/lib/infrastructure/utils/exif.converter.dart

58 lines
2.0 KiB
Dart

import 'package:immich_mobile/domain/models/exif.model.dart';
import 'package:openapi/api.dart';
// TODO: Move to repository once all classes are refactored
abstract final class ExifDtoConverter {
static ExifInfo fromDto(ExifResponseDto dto) {
return ExifInfo(
fileSize: dto.fileSizeInByte.orElse(null),
description: dto.description.orElse(null),
orientation: dto.orientation.orElse(null),
timeZone: dto.timeZone.orElse(null),
dateTimeOriginal: dto.dateTimeOriginal.orElse(null),
isFlipped: isOrientationFlipped(dto.orientation.orElse(null)),
latitude: dto.latitude.orElse(null)?.toDouble(),
longitude: dto.longitude.orElse(null)?.toDouble(),
city: dto.city.orElse(null),
state: dto.state.orElse(null),
country: dto.country.orElse(null),
make: dto.make.orElse(null),
model: dto.model.orElse(null),
lens: dto.lensModel.orElse(null),
f: dto.fNumber.orElse(null)?.toDouble(),
mm: dto.focalLength.orElse(null)?.toDouble(),
iso: dto.iso.orElse(null)?.toInt(),
exposureSeconds: exposureTimeToSeconds(dto.exposureTime.orElse(null)),
);
}
static bool isOrientationFlipped(String? orientation) {
final value = orientation == null ? null : int.tryParse(orientation);
if (value == null) {
return false;
}
final isRotated90CW = value == 5 || value == 6 || value == 90;
final isRotated270CW = value == 7 || value == 8 || value == -90;
return isRotated90CW || isRotated270CW;
}
static double? exposureTimeToSeconds(String? second) {
if (second == null) {
return null;
}
double? value = double.tryParse(second);
if (value != null) {
return value;
}
final parts = second.split("/");
if (parts.length == 2) {
final numerator = double.tryParse(parts.firstOrNull ?? "-");
final denominator = double.tryParse(parts.lastOrNull ?? "-");
if (numerator != null && denominator != null) {
return numerator / denominator;
}
}
return null;
}
}