getThread method
Implementation
ValueStream<Thread?> getThread(Authorperm id) {
final BehaviorSubject<Thread?> controller;
if (_postStreamControllers.containsKey(id)) {
controller = _threadStreamControllers[id]!;
} else {
controller = BehaviorSubject<Thread?>();
_threadStreamControllers[id] = controller;
unawaited(_fetchAndAddThread(id));
}
return controller;
}