refactor: exif entity (#16621)

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/lib/domain/models/exif.model.dart

@@ -0,0 +1,177 @@
+class ExifInfo {
+  final int? assetId;
+  final int? fileSize;
+  final String? description;
+  final bool isFlipped;
+  final String? orientation;
+  final String? timeZone;
+  final DateTime? dateTimeOriginal;
+
+  // GPS
+  final double? latitude;
+  final double? longitude;
+  final String? city;
+  final String? state;
+  final String? country;
+
+  // Camera related
+  final String? make;
+  final String? model;
+  final String? lens;
+  final double? f;
+  final double? mm;
+  final int? iso;
+  final double? exposureSeconds;
+
+  bool get hasCoordinates =>
+      latitude != null && longitude != null && latitude != 0 && longitude != 0;
+
+  String get exposureTime {
+    if (exposureSeconds == null) {
+      return "";
+    }
+    if (exposureSeconds! < 1) {
+      return "1/${(1.0 / exposureSeconds!).round()} s";
+    }
+    return "${exposureSeconds!.toStringAsFixed(1)} s";
+  }
+
+  String get fNumber => f == null ? "" : f!.toStringAsFixed(1);
+
+  String get focalLength => mm == null ? "" : mm!.toStringAsFixed(1);
+
+  const ExifInfo({
+    this.assetId,
+    this.fileSize,
+    this.description,
+    this.orientation,
+    this.timeZone,
+    this.dateTimeOriginal,
+    this.isFlipped = false,
+    this.latitude,
+    this.longitude,
+    this.city,
+    this.state,
+    this.country,
+    this.make,
+    this.model,
+    this.lens,
+    this.f,
+    this.mm,
+    this.iso,
+    this.exposureSeconds,
+  });
+
+  @override
+  bool operator ==(covariant ExifInfo other) {
+    if (identical(this, other)) return true;
+
+    return other.fileSize == fileSize &&
+        other.description == description &&
+        other.orientation == orientation &&
+        other.timeZone == timeZone &&
+        other.dateTimeOriginal == dateTimeOriginal &&
+        other.latitude == latitude &&
+        other.longitude == longitude &&
+        other.city == city &&
+        other.state == state &&
+        other.country == country &&
+        other.make == make &&
+        other.model == model &&
+        other.lens == lens &&
+        other.f == f &&
+        other.mm == mm &&
+        other.iso == iso &&
+        other.exposureSeconds == exposureSeconds &&
+        other.assetId == assetId;
+  }
+
+  @override
+  int get hashCode {
+    return fileSize.hashCode ^
+        description.hashCode ^
+        orientation.hashCode ^
+        timeZone.hashCode ^
+        dateTimeOriginal.hashCode ^
+        latitude.hashCode ^
+        longitude.hashCode ^
+        city.hashCode ^
+        state.hashCode ^
+        country.hashCode ^
+        make.hashCode ^
+        model.hashCode ^
+        lens.hashCode ^
+        f.hashCode ^
+        mm.hashCode ^
+        iso.hashCode ^
+        exposureSeconds.hashCode ^
+        assetId.hashCode;
+  }
+
+  @override
+  String toString() {
+    return '''{
+fileSize: ${fileSize ?? 'NA'},
+description: ${description ?? 'NA'},
+orientation: ${orientation ?? 'NA'},
+timeZone: ${timeZone ?? 'NA'},
+dateTimeOriginal: ${dateTimeOriginal ?? 'NA'},
+latitude: ${latitude ?? 'NA'},
+longitude: ${longitude ?? 'NA'},
+city: ${city ?? 'NA'},
+state: ${state ?? 'NA'},
+country: ${country ?? '<NA>'},
+make: ${make ?? 'NA'},
+model: ${model ?? 'NA'},
+lens: ${lens ?? 'NA'},
+f: ${f ?? 'NA'},
+mm: ${mm ?? '<NA>'},
+iso: ${iso ?? 'NA'},
+exposureSeconds: ${exposureSeconds ?? 'NA'},
+}''';
+  }
+
+  ExifInfo copyWith({
+    int? assetId,
+    int? fileSize,
+    String? description,
+    String? orientation,
+    String? timeZone,
+    DateTime? dateTimeOriginal,
+    double? latitude,
+    double? longitude,
+    String? city,
+    String? state,
+    String? country,
+    bool? isFlipped,
+    String? make,
+    String? model,
+    String? lens,
+    double? f,
+    double? mm,
+    int? iso,
+    double? exposureSeconds,
+  }) {
+    return ExifInfo(
+      assetId: assetId ?? this.assetId,
+      fileSize: fileSize ?? this.fileSize,
+      description: description ?? this.description,
+      orientation: orientation ?? this.orientation,
+      timeZone: timeZone ?? this.timeZone,
+      dateTimeOriginal: dateTimeOriginal ?? this.dateTimeOriginal,
+      isFlipped: isFlipped ?? this.isFlipped,
+      latitude: latitude ?? this.latitude,
+      longitude: longitude ?? this.longitude,
+      city: city ?? this.city,
+      state: state ?? this.state,
+      country: country ?? this.country,
+      make: make ?? this.make,
+      model: model ?? this.model,
+      lens: lens ?? this.lens,
+      f: f ?? this.f,
+      mm: mm ?? this.mm,
+      iso: iso ?? this.iso,
+      exposureSeconds: exposureSeconds ?? this.exposureSeconds,
+    );
+  }
+}