48 lines
1.4 KiB
Dart
48 lines
1.4 KiB
Dart
|
import 'package:flutter/widgets.dart';
|
||
|
|
import 'package:provider/provider.dart';
|
||
|
|
import 'package:surface/providers/sn_network.dart';
|
||
|
|
import 'package:surface/types/attachment.dart';
|
||
|
|
|
||
|
|
class SnAttachmentProvider {
|
||
|
|
late final SnNetworkProvider sn;
|
||
|
|
|
||
|
|
final Map<String, SnAttachment> _cache = {};
|
||
|
|
|
||
|
|
SnAttachmentProvider(BuildContext context) {
|
||
|
|
sn = context.read<SnNetworkProvider>();
|
||
|
|
}
|
||
|
|
|
||
|
|
Future<SnAttachment> getOne(String rid, {noCache = false}) async {
|
||
|
|
if (!noCache && _cache.containsKey(rid)) {
|
||
|
|
return _cache[rid]!;
|
||
|
|
}
|
||
|
|
|
||
|
|
final resp = await sn.client.get('/cgi/uc/attachments/$rid/meta');
|
||
|
|
final out = SnAttachment.fromJson(resp.data);
|
||
|
|
_cache[rid] = out;
|
||
|
|
|
||
|
|
return out;
|
||
|
|
}
|
||
|
|
|
||
|
|
Future<List<SnAttachment>> getMultiple(List<String> rids,
|
||
|
|
{noCache = false}) async {
|
||
|
|
final pendingFetch =
|
||
|
|
noCache ? rids : rids.where((rid) => !_cache.containsKey(rid)).toList();
|
||
|
|
|
||
|
|
if (pendingFetch.isEmpty) {
|
||
|
|
return rids.map((rid) => _cache[rid]!).toList();
|
||
|
|
}
|
||
|
|
|
||
|
|
final resp = await sn.client.get('/cgi/uc/attachments', queryParameters: {
|
||
|
|
'take': pendingFetch.length,
|
||
|
|
'id': pendingFetch.join(','),
|
||
|
|
});
|
||
|
|
final out = resp.data['data'].map((e) => SnAttachment.fromJson(e)).toList();
|
||
|
|
|
||
|
|
for (var i = 0; i < out.length; i++) {
|
||
|
|
_cache[pendingFetch[i]] = out[i];
|
||
|
|
}
|
||
|
|
return rids.map((rid) => _cache[rid]!).toList();
|
||
|
|
}
|
||
|
|
}
|