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Move expensive ops to a separate isolate

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This commit is contained in:
Vishnu Mohandas 2021-06-18 12:03:31 +05:30
parent 7c06ea50b6
commit 811a4cb71e
2 changed files with 28 additions and 11 deletions
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12
lib/services/local_sync_service.dart
View file

@ -114,16 +114,8 @@ class LocalSyncService {
d.inMilliseconds.toString() +
"ms");
final existingIDs = await _db.getExistingLocalFileIDs();
final List<LocalAsset> unsyncedAssets = [];
for (final asset in localAssets) {
if (!existingIDs.contains(asset.id)) {
unsyncedAssets.add(asset);
}
}
if (unsyncedAssets.isEmpty) {
return false;
}
final unsyncedFiles = await convertToFiles(unsyncedAssets, _computer);
final unsyncedFiles =
await getUnsyncedFiles(localAssets, existingIDs, _computer);
await _db.insertMultiple(unsyncedFiles);
_logger.info(
"Inserted " + unsyncedFiles.length.toString() + " unsynced files.");

27
lib/utils/file_sync_util.dart
View file

@ -45,7 +45,32 @@ Future<List<LocalAsset>> getAllLocalAssets() async {
return assets;
}
Future<List<File>> convertToFiles(
Future<List<File>> getUnsyncedFiles(
List<LocalAsset> assets, Set<String> existingIDs, Computer computer) async {
final args = Map<String, dynamic>();
args['assets'] = assets;
args['existingIDs'] = existingIDs;
final unsyncedAssets =
await computer.compute(_getUnsyncedAssets, param: args);
if (unsyncedAssets.isEmpty) {
return [];
}
return _convertToFiles(unsyncedAssets, computer);
}
List<LocalAsset> _getUnsyncedAssets(Map<String, dynamic> args) {
final List<LocalAsset> assets = args['assets'];
final Set<String> existingIDs = args['existingIDs'];
final List<LocalAsset> unsyncedAssets = [];
for (final asset in assets) {
if (!existingIDs.contains(asset.id)) {
unsyncedAssets.add(asset);
}
}
return unsyncedAssets;
}
Future<List<File>> _convertToFiles(
List<LocalAsset> assets, Computer computer) async {
final List<LocalAsset> recents = [];
final List<LocalAssetEntity> entities = [];