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fix: timezone in timeline bucketing (#25894)

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Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
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shenlong 2026-02-05 23:17:16 +05:30 committed by GitHub
parent a42c08ed84
commit 2dd3a764ae
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3 changed files with 21 additions and 16 deletions
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15
mobile/lib/infrastructure/entities/merged_asset.drift
View file

@ -85,14 +85,14 @@ LIMIT $limit;
mergedBucket(:group_by AS INTEGER):
SELECT
COUNT(*) as asset_count,
CASE
WHEN :group_by = 0 THEN STRFTIME('%Y-%m-%d', created_at, 'localtime') -- day
WHEN :group_by = 1 THEN STRFTIME('%Y-%m', created_at, 'localtime') -- month
END AS bucket_date
bucket_date
FROM
(
SELECT
rae.created_at
CASE
WHEN :group_by = 0 THEN STRFTIME('%Y-%m-%d', rae.local_date_time)
WHEN :group_by = 1 THEN STRFTIME('%Y-%m', rae.local_date_time)
END as bucket_date
FROM
remote_asset_entity rae
LEFT JOIN
@ -107,7 +107,10 @@ FROM
)
UNION ALL
SELECT
lae.created_at
CASE
WHEN :group_by = 0 THEN STRFTIME('%Y-%m-%d', lae.created_at, 'localtime')
WHEN :group_by = 1 THEN STRFTIME('%Y-%m', lae.created_at, 'localtime')
END as bucket_date
FROM
local_asset_entity lae
WHERE NOT EXISTS (

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mobile/lib/infrastructure/entities/merged_asset.drift.dart generated
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22
mobile/lib/infrastructure/repositories/timeline.repository.dart
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@ -126,7 +126,7 @@ class DriftTimelineRepository extends DriftDatabaseRepository {
}
final assetCountExp = _db.localAssetEntity.id.count();
final dateExp = _db.localAssetEntity.createdAt.dateFmt(groupBy);
final dateExp = _db.localAssetEntity.createdAt.dateFmt(groupBy, toLocal: true);
final query =
_db.localAssetEntity.selectOnly().join([
@ -203,7 +203,7 @@ class DriftTimelineRepository extends DriftDatabaseRepository {
final album = albums.first;
final isAscending = album.order == AlbumAssetOrder.asc;
final assetCountExp = _db.remoteAssetEntity.id.count();
final dateExp = _db.remoteAssetEntity.createdAt.dateFmt(groupBy);
final dateExp = _db.remoteAssetEntity.localDateTime.dateFmt(groupBy);
final query = _db.remoteAssetEntity.selectOnly()
..addColumns([assetCountExp, dateExp])
@ -280,7 +280,8 @@ class DriftTimelineRepository extends DriftDatabaseRepository {
final sorted = List<BaseAsset>.from(assets)..sort((a, b) => b.createdAt.compareTo(a.createdAt));
final Map<DateTime, int> bucketCounts = {};
for (final asset in sorted) {
final date = DateTime(asset.createdAt.year, asset.createdAt.month, asset.createdAt.day);
final localTime = asset.createdAt.toLocal();
final date = DateTime(localTime.year, localTime.month, localTime.day);
bucketCounts[date] = (bucketCounts[date] ?? 0) + 1;
}
@ -360,7 +361,7 @@ class DriftTimelineRepository extends DriftDatabaseRepository {
}
final assetCountExp = _db.remoteAssetEntity.id.count();
final dateExp = _db.remoteAssetEntity.createdAt.dateFmt(groupBy);
final dateExp = _db.remoteAssetEntity.localDateTime.dateFmt(groupBy);
final query = _db.remoteAssetEntity.selectOnly()
..addColumns([assetCountExp, dateExp])
@ -430,7 +431,7 @@ class DriftTimelineRepository extends DriftDatabaseRepository {
}
final assetCountExp = _db.remoteAssetEntity.id.count();
final dateExp = _db.remoteAssetEntity.createdAt.dateFmt(groupBy);
final dateExp = _db.remoteAssetEntity.localDateTime.dateFmt(groupBy);
final query = _db.remoteAssetEntity.selectOnly()
..addColumns([assetCountExp, dateExp])
@ -500,7 +501,7 @@ class DriftTimelineRepository extends DriftDatabaseRepository {
}
final assetCountExp = _db.remoteAssetEntity.id.count();
final dateExp = _db.remoteAssetEntity.createdAt.dateFmt(groupBy);
final dateExp = _db.remoteAssetEntity.localDateTime.dateFmt(groupBy);
final query = _db.remoteAssetEntity.selectOnly()
..addColumns([assetCountExp, dateExp])
@ -602,7 +603,7 @@ class DriftTimelineRepository extends DriftDatabaseRepository {
}
final assetCountExp = _db.remoteAssetEntity.id.count();
final dateExp = _db.remoteAssetEntity.createdAt.dateFmt(groupBy);
final dateExp = _db.remoteAssetEntity.localDateTime.dateFmt(groupBy);
final query = _db.remoteAssetEntity.selectOnly()
..addColumns([assetCountExp, dateExp])
@ -664,10 +665,11 @@ List<Bucket> _generateBuckets(int count) {
}
extension on Expression<DateTime> {
Expression<String> dateFmt(GroupAssetsBy groupBy) {
Expression<String> dateFmt(GroupAssetsBy groupBy, {bool toLocal = false}) {
// DateTimes are stored in UTC, so we need to convert them to local time inside the query before formatting
// to create the correct time bucket
final localTimeExp = modify(const DateTimeModifier.localTime());
// to create the correct time bucket when toLocal is true
// toLocal is false for remote assets where localDateTime is already in the correct timezone
final localTimeExp = toLocal ? modify(const DateTimeModifier.localTime()) : this;
return switch (groupBy) {
GroupAssetsBy.day || GroupAssetsBy.auto => localTimeExp.date,
GroupAssetsBy.month => localTimeExp.strftime("%Y-%m"),