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fix: utc time zone upserts (#26258)

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fix: utc timezone upserts
This commit is contained in:
Daniel Dietzler
2026-02-17 18:59:52 +01:00
committed by GitHub
parent 3f41916ad7
commit 8f9ea6a171
3 changed files with 71 additions and 8 deletions
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server/src/services/metadata.service.ts
+12 -3
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@@ -527,6 +527,15 @@ export class MetadataService extends BaseService {
for (const tag of EXIF_DATE_TAGS) {
delete mediaTags[tag];
}
// exiftool-vendored derives tz information from the date.
// if the sidecar file has date information, we also assume the tz information come from there.
//
// this is especially important in the case of UTC+0 where exiftool-vendored does not return tz/zone fields
// and as such the tags aren't overwritten when returning all tags.
for (const tag of ['zone', 'tz', 'tzSource'] as const) {
delete mediaTags[tag];
}
}
}
@@ -897,8 +906,8 @@ export class MetadataService extends BaseService {
}
// timezone
let timeZone = exifTags.tz ?? null;
if (timeZone == null && dateTime?.rawValue?.endsWith('+00:00')) {
let timeZone = exifTags.zone ?? null;
if (timeZone == null && (dateTime?.rawValue?.endsWith('Z') || dateTime?.rawValue?.endsWith('+00:00'))) {
// exiftool-vendored returns "no timezone" information even though "+00:00" might be set explicitly
// https://github.com/photostructure/exiftool-vendored.js/issues/203
timeZone = 'UTC+0';
@@ -906,7 +915,7 @@ export class MetadataService extends BaseService {
if (timeZone) {
this.logger.verbose(
`Found timezone ${timeZone} via ${exifTags.tzSource} for asset ${asset.id}: ${asset.originalPath}`,
`Found timezone ${timeZone} via ${exifTags.zoneSource} for asset ${asset.id}: ${asset.originalPath}`,
);
} else {
this.logger.debug(`No timezone information found for asset ${asset.id}: ${asset.originalPath}`);