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Optimize shared collections gallery load time

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This commit is contained in:
Vishnu Mohandas 2021-04-19 23:30:15 +05:30
parent a997c1df98
commit 018f070a36
1 changed files with 30 additions and 31 deletions
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61
lib/ui/shared_collections_gallery.dart
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@ -51,26 +51,32 @@ class _SharedCollectionGalleryState extends State<SharedCollectionGallery>
Widget build(BuildContext context) {
super.build(context);
return FutureBuilder<SharedCollections>(
future: Future.value(CollectionsService.instance.getCollections())
.then((collections) async {
final outgoing = List<CollectionWithThumbnail>();
final incoming = List<CollectionWithThumbnail>();
for (final collection in collections) {
if (collection.owner.id == Configuration.instance.getUserID()) {
if (collection.sharees.length > 0) {
final withThumbnail =
await _getCollectionWithThumbnail(collection);
if (withThumbnail.thumbnail != null) {
outgoing.add(withThumbnail);
}
} else {
continue;
future: Future.value(FilesDB.instance.getLatestCollectionFiles())
.then((files) async {
var startTime = DateTime.now();
final List<CollectionWithThumbnail> outgoing = [];
final List<CollectionWithThumbnail> incoming = [];
for (final file in files) {
final c =
CollectionsService.instance.getCollectionByID(file.collectionID);
if (c.owner.id == Configuration.instance.getUserID()) {
if (c.sharees.length > 0) {
outgoing.add(
CollectionWithThumbnail(
c,
file,
await FilesDB.instance.getLastModifiedFileInCollection(c.id),
),
);
}
} else {
final withThumbnail = await _getCollectionWithThumbnail(collection);
if (withThumbnail.thumbnail != null) {
incoming.add(withThumbnail);
}
incoming.add(
CollectionWithThumbnail(
c,
file,
await FilesDB.instance.getLastModifiedFileInCollection(c.id),
),
);
}
}
outgoing.sort((first, second) {
@ -81,6 +87,12 @@ class _SharedCollectionGalleryState extends State<SharedCollectionGallery>
return second.lastUpdatedFile.updationTime
.compareTo(first.lastUpdatedFile.updationTime);
});
var endTime = DateTime.now();
var duration = Duration(
microseconds: endTime.microsecondsSinceEpoch -
startTime.microsecondsSinceEpoch);
_logger.info("Total time taken: " + duration.inMilliseconds.toString());
return SharedCollections(outgoing, incoming);
}),
builder: (context, snapshot) {
@ -291,19 +303,6 @@ class _SharedCollectionGalleryState extends State<SharedCollectionGallery>
);
}
Future<CollectionWithThumbnail> _getCollectionWithThumbnail(
Collection collection) async {
final thumbnail =
await FilesDB.instance.getLatestFileInCollection(collection.id);
final lastUpdatedFile =
await FilesDB.instance.getLastModifiedFileInCollection(collection.id);
return CollectionWithThumbnail(
collection,
thumbnail,
lastUpdatedFile,
);
}
Widget _getIncomingCollectionEmptyState() {
return Container(
padding: EdgeInsets.only(top: 10),