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Return unique files while returning unsynced assets

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This commit is contained in:
Neeraj Gupta 2022-08-24 16:42:19 +05:30
parent 64efda4284
commit c6c955c889
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GPG key ID: 3C5A1684DC1729E1
2 changed files with 24 additions and 23 deletions
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41
lib/services/local/local_sync_util.dart
View file

@ -90,7 +90,7 @@ Future<List<LocalPathAsset>> getAllLocalAssets() async {
return localPathAssets;
}
Future<LocalUnSyncResult> getLocalUnsyncedFiles(
Future<LocalUnSyncResult> getLocalUnSyncedFiles(
List<LocalPathAsset> assets,
// current set of assets available on device
Set<String> existingIDs, // localIDs of files already imported in app
@ -109,7 +109,7 @@ Future<LocalUnSyncResult> getLocalUnsyncedFiles(
return LocalUnSyncResult();
}
final unSyncedFiles =
await _convertToFiles(localUnSyncResult.localPathAssets, computer);
await _convertToUniqueFilesFiles(localUnSyncResult.localPathAssets);
localUnSyncResult.uniqueLocalFiles = unSyncedFiles;
return localUnSyncResult;
}
@ -117,7 +117,7 @@ Future<LocalUnSyncResult> getLocalUnsyncedFiles(
// _getUnsyncedAssets performs following operation
// Identify
LocalUnSyncResult _getUnsyncedAssets(Map<String, dynamic> args) {
final List<LocalPathAsset> localPathAssets = args['assets'];
final List<LocalPathAsset> onDeviceLocalPathAsset = args['assets'];
final Set<String> existingIDs = args['existingIDs'];
final Set<String> invalidIDs = args['invalidIDs'];
final Map<String, Set<String>> pathToLocalIDs = args['pathToLocalIDs'];
@ -126,23 +126,24 @@ LocalUnSyncResult _getUnsyncedAssets(Map<String, dynamic> args) {
<String, Set<String>>{};
final List<LocalPathAsset> unsyncedAssets = [];
for (final localPathAsset in localPathAssets) {
for (final localPathAsset in onDeviceLocalPathAsset) {
String pathID = localPathAsset.pathID;
// Start identifying pathID to localID mapping changes which needs to be
// synced
Set<String> existingPathToLocalIDs = pathToLocalIDs[pathID] ?? <String>{};
Set<String> candidateLocalIDsForRemoval =
pathToLocalIDs[pathID] ?? <String>{};
Set<String> missingLocalIDsInPath = <String>{};
for (final String localID in localPathAsset.localIDs) {
if (existingPathToLocalIDs.contains(localID)) {
if (candidateLocalIDsForRemoval.contains(localID)) {
// remove the localID after checking. Any pending existing ID indicates
// the the local file was removed from the path.
existingPathToLocalIDs.remove(localID);
candidateLocalIDsForRemoval.remove(localID);
} else {
missingLocalIDsInPath.add(localID);
}
}
if (existingPathToLocalIDs.isNotEmpty) {
removedPathToLocalIDs[pathID] = existingPathToLocalIDs;
if (candidateLocalIDsForRemoval.isNotEmpty) {
removedPathToLocalIDs[pathID] = candidateLocalIDsForRemoval;
}
if (missingLocalIDsInPath.isNotEmpty) {
newPathToLocalIDs[pathID] = missingLocalIDsInPath;
@ -151,8 +152,10 @@ LocalUnSyncResult _getUnsyncedAssets(Map<String, dynamic> args) {
localPathAsset.localIDs.removeAll(existingIDs);
localPathAsset.localIDs.removeAll(invalidIDs);
if (localPathAsset.localIDs.isNotEmpty) {
unsyncedAssets.add(localPathAsset);
}
}
return LocalUnSyncResult(
localPathAssets: unsyncedAssets,
newPathToLocalIDs: newPathToLocalIDs,
@ -160,24 +163,22 @@ LocalUnSyncResult _getUnsyncedAssets(Map<String, dynamic> args) {
);
}
Future<List<File>> _convertToFiles(
Future<List<File>> _convertToUniqueFilesFiles(
List<LocalPathAsset> assets,
Computer computer,
) async {
final Map<String, AssetEntity> assetIDToEntityMap = {};
final Set<String> alreadySeenLocalIDs = <String>{};
final List<File> files = [];
for (LocalPathAsset localPathAsset in assets) {
String localPathName = localPathAsset.pathName;
String pathID = localPathAsset.pathID;
for (final String localID in localPathAsset.localIDs) {
if (!assetIDToEntityMap.containsKey(localID)) {
assetIDToEntityMap[localID] = await AssetEntity.fromId(localID);
}
if (!alreadySeenLocalIDs.contains(localID)) {
var assetEntity = await AssetEntity.fromId(localID);
files.add(
File.fromAsset(
localPathAsset.pathName,
assetIDToEntityMap[localID],
devicePathID: localPathAsset.pathID,
),
File.fromAsset(localPathName, assetEntity, devicePathID: pathID),
);
alreadySeenLocalIDs.add(localID);
}
}
}
return files;

2
lib/services/local_sync_service.dart
View file

@ -157,7 +157,7 @@ class LocalSyncService {
final Map<String, Set<String>> pathToLocalIDs =
await _db.getDevicePathIDToLocalIDMap();
final invalidIDs = _getInvalidFileIDs().toSet();
final localUnSyncResult = await getLocalUnsyncedFiles(
final localUnSyncResult = await getLocalUnSyncedFiles(
localAssets,
existingLocalFileIDs,
pathToLocalIDs,