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