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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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6
server/src/services/metadata.service.spec.ts
View File

@@ -919,7 +919,7 @@ describe(MetadataService.name, () => {
Orientation: 0,
ProfileDescription: 'extensive description',
ProjectionType: 'equirectangular',
tz: 'UTC-11:30',
zone: 'UTC-11:30',
TagsList: ['parent/child'],
Rating: 3,
};
@@ -955,7 +955,7 @@ describe(MetadataService.name, () => {
orientation: tags.Orientation?.toString(),
profileDescription: tags.ProfileDescription,
projectionType: 'EQUIRECTANGULAR',
timeZone: tags.tz,
timeZone: tags.zone,
rating: tags.Rating,
country: null,
state: null,
@@ -987,7 +987,7 @@ describe(MetadataService.name, () => {
const tags: ImmichTags = {
DateTimeOriginal: ExifDateTime.fromISO(someDate + '+00:00'),
tz: undefined,
zone: undefined,
};
mocks.assetJob.getForMetadataExtraction.mockResolvedValue(asset);
mockReadTags(tags);

15
server/src/services/metadata.service.ts
View File

@@ -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}`);