closeThread method
Marks threadId done (thread.close) and appends thread.closed.
Implementation
void closeThread(String threadId, {String? actor}) {
final thread = threads[threadId]!;
thread
..['state'] = 'closed'
..['closed_at'] = stamp()
..['version'] = (thread['version']! as int) + 1;
if (actor != null) thread['closed_by'] = actor;
append(
'thread.closed',
resource: {
'kind': 'thread',
'id': threadId,
'version': thread['version'],
},
scope: _scopeOf(threadId),
payload: {'thread': thread},
actor: actor,
);
}