Improve chat loading speed

This commit is contained in:
2024-09-15 18:25:04 +08:00
parent c1ff317c66
commit 1437414b7f
4 changed files with 29 additions and 106 deletions

View File

@ -51,15 +51,9 @@ class MessagesFetchingProvider extends GetxController {
Future<(List<Event>, int)?> fetchRemoteEvents(
Channel channel,
String scope, {
required int depth,
bool Function(List<Event> items)? onBrake,
take = 10,
offset = 0,
}) async {
if (depth <= 0) {
return null;
}
final AuthProvider auth = Get.find();
if (auth.isAuthorized.isFalse) return null;
@ -77,21 +71,7 @@ class MessagesFetchingProvider extends GetxController {
final result =
response.data?.map((e) => Event.fromJson(e)).toList() ?? List.empty();
if (onBrake != null && onBrake(result)) {
return (result, response.count);
}
final expandResult = (await fetchRemoteEvents(
channel,
scope,
depth: depth - 1,
take: take,
offset: offset + result.length,
))
?.$1 ??
List.empty();
return ([...result, ...expandResult], response.count);
return (result, response.count);
}
Future<LocalMessageEventTableData> receiveEvent(Event remote) async {
@ -151,22 +131,14 @@ class MessagesFetchingProvider extends GetxController {
/// Pull the remote events to local database
Future<(List<Event>, int)?> pullRemoteEvents(Channel channel,
{String scope = 'global', depth = 10, offset = 0}) async {
{String scope = 'global', take = 10, offset = 0}) async {
final database = Get.find<DatabaseProvider>().database;
final lastOne = await (database.select(database.localMessageEventTable)
..where((x) => x.channelId.equals(channel.id))
..orderBy([(t) => OrderingTerm.desc(t.id)])
..limit(1))
.getSingleOrNull();
final data = await fetchRemoteEvents(
channel,
scope,
depth: depth,
offset: offset,
onBrake: (items) {
return items.any((x) => x.id == lastOne?.id);
},
take: take,
);
if (data != null) {
await database.batch((batch) {
@ -185,11 +157,13 @@ class MessagesFetchingProvider extends GetxController {
return data;
}
Future<List<LocalMessageEventTableData>> listEvents(Channel channel) async {
Future<List<LocalMessageEventTableData>> listEvents(Channel channel,
{required int take, int offset = 0}) async {
final database = Get.find<DatabaseProvider>().database;
return await (database.select(database.localMessageEventTable)
..where((x) => x.channelId.equals(channel.id))
..orderBy([(t) => OrderingTerm.desc(t.id)]))
..orderBy([(t) => OrderingTerm.desc(t.id)])
..limit(take, offset: offset))
.get();
}