94 lines
2.3 KiB
Dart
94 lines
2.3 KiB
Dart
import 'package:flutter/foundation.dart';
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import '../api.dart';
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import '../../core/protocol/opcode_map.dart';
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import '../../core/utils/logger.dart';
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import '../../models/poll.dart';
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class PollsModule extends ChangeNotifier {
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final Api _api;
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PollsModule(this._api);
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final Map<int, Poll> _cache = {};
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final Set<int> _inFlight = {};
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Poll? get(int pollId) => _cache[pollId];
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Future<void> fetch(
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int chatId,
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String messageId,
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int pollId, {
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bool force = false,
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}) async {
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if (pollId == 0) return;
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if (!force && (_cache.containsKey(pollId) || _inFlight.contains(pollId))) {
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return;
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}
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_inFlight.add(pollId);
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try {
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final mid = int.tryParse(messageId) ?? 0;
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final response = await _api.sendRequest(Opcode.getPollUpdates, {
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'chatId': chatId,
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'polls': [
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{'messageId': mid, 'pollId': pollId},
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],
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});
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if (!response.isOk) return;
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final data = response.payload;
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if (data is! Map) return;
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final polls = data['polls'];
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if (polls is! List) return;
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var changed = false;
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for (final p in polls) {
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if (p is Map) {
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final poll = Poll.fromServerMap(p);
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if (poll.pollId != 0) {
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_cache[poll.pollId] = poll;
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changed = true;
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}
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}
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}
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if (changed) notifyListeners();
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} catch (e) {
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logger.w('PollsModule.fetch: pollId=$pollId chatId=$chatId $e');
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} finally {
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_inFlight.remove(pollId);
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}
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}
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Future<bool> vote(
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int chatId,
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String messageId,
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int pollId,
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List<int> answersIds,
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) async {
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try {
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final response = await _api.sendRequest(Opcode.sendVote, {
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'messageId': int.tryParse(messageId) ?? 0,
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'chatId': chatId,
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'pollId': pollId,
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'answersIds': answersIds,
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});
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if (!response.isOk) return false;
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final data = response.payload;
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final state = data is Map ? data['state'] : null;
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final cached = _cache[pollId];
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if (state is Map && cached != null) {
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_cache[pollId] = cached.withStateMap(state);
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notifyListeners();
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} else {
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await fetch(chatId, messageId, pollId, force: true);
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}
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return true;
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} catch (e) {
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logger.w('PollsModule.vote: pollId=$pollId chatId=$chatId $e');
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return false;
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}
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}
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}
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