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refactor: hashing service (#21997)

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* download only backup selected assets

* android impl

* fix tests

* limit concurrent hashing to 16

* extension cleanup

* optimized hashing

* hash only selected albums

* remove concurrency limit

* address review comments

* log more info on failure

* add native cancellation

* small batch size on ios, large on android

* fix: get correct resources

* cleanup getResource

* ios better hash cancellation

* handle graceful cancellation android

* do not trigger multiple hashing ops

* ios: fix circular reference, improve cancellation

* kotlin: more cancellation checks

* no need to create result

* cancel previous task

* avoid race condition

* ensure cancellation gets called

* fix cancellation not happening

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
Co-authored-by: mertalev <101130780+mertalev@users.noreply.github.com>
Co-authored-by: Alex <alex.tran1502@gmail.com>
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shenlong 2025-09-18 10:12:37 +05:30 • committed by GitHub
parent 2411bf8374
commit 532ec10d5f
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18 changed files with 662 additions and 269 deletions
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13
mobile/pigeon/native_sync_api.dart
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@ -71,6 +71,14 @@ class SyncDelta {
});
}
class HashResult {
final String assetId;
final String? error;
final String? hash;
const HashResult({required this.assetId, this.error, this.hash});
}
@HostApi()
abstract class NativeSyncApi {
bool shouldFullSync();
@ -94,6 +102,9 @@ abstract class NativeSyncApi {
@TaskQueue(type: TaskQueueType.serialBackgroundThread)
List<PlatformAsset> getAssetsForAlbum(String albumId, {int? updatedTimeCond});
@async
@TaskQueue(type: TaskQueueType.serialBackgroundThread)
List<Uint8List?> hashPaths(List<String> paths);
List<HashResult> hashAssets(List<String> assetIds, {bool allowNetworkAccess = false});
void cancelHashing();
}