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31 lines
850 B
Dart
31 lines
850 B
Dart
import 'dart:async';
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import 'stillbox_none.dart'
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if (dart.library.io) 'stillbox_io.dart'
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if (dart.library.html) 'stillbox_web.dart';
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import '../pb/stillbox.pb.dart';
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class TalkgroupCache {
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Socketer socketer;
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final StreamController<TalkgroupInfo> tgiSt =
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StreamController<TalkgroupInfo>.broadcast();
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Map<Talkgroup, TalkgroupInfo> cache = {};
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TalkgroupCache(this.socketer);
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void handleTgInfo(TalkgroupInfo tgi) {
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cache[tgi.tg] = tgi;
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tgiSt.add(tgi);
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}
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Future<TalkgroupInfo> getTg(int system, int tgid) async {
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final tg = Talkgroup(system: system, talkgroup: tgid);
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if (cache[tg] != null) {
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return cache[tg]!;
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}
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socketer.channel.sink.add(Command(tgCommand: tg).writeToBuffer());
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return tgiSt.stream
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.firstWhere((td) => td.tg.system == system && td.tg.talkgroup == tgid);
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}
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}
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