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[mob] Fix handling of timezone

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This commit is contained in:
Neeraj Gupta
2025-02-07 12:35:15 +05:30
parent d363f37592
commit 10079d4cb0
1 changed files with 5 additions and 7 deletions
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12
mobile/lib/utils/exif_util.dart
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@@ -154,24 +154,22 @@ Future<DateTime?> getCreationTimeFromEXIF(
}
DateTime getDateTimeInDeviceTimezone(String exifTime, String? offsetString) {
final DateTime result = DateFormat(kExifDateTimePattern).parse(exifTime);
final shouldParseDateInUTCTimeZone = offsetString != null;
final DateTime result = DateFormat(kExifDateTimePattern)
.parse(exifTime, shouldParseDateInUTCTimeZone);
if (offsetString == null) {
return result;
}
try {
final List<String> splitHHMM = offsetString.split(":");
// Parse the offset from the photo's time zone
final int offsetHours = int.parse(splitHHMM[0]);
final int offsetMinutes =
int.parse(splitHHMM[1]) * (offsetHours.isNegative ? -1 : 1);
// Adjust the date for the offset to get the photo's correct UTC time
final photoUtcDate =
result.add(Duration(hours: -offsetHours, minutes: -offsetMinutes));
// Getting the current device's time zone offset from UTC
final now = DateTime.now();
final localOffset = now.timeZoneOffset;
// Adjusting the photo's UTC time to the device's local time
final deviceLocalTime = photoUtcDate.add(localOffset);
// Convert the UTC time to the device's local time
final deviceLocalTime = photoUtcDate.toLocal();
return deviceLocalTime;
} catch (e, s) {
_logger.severe("tz offset adjust failed $offsetString", e, s);