UserStateUpdater
class UserStateUpdater
Methods
Details
at
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subscribe(Dispatcher $events)
at
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whenPostWasDeleted(Deleted $event)
<p>Updates a user state relative to a discussion.</p>
<p>If user A read a discussion all the way to post number N, and X last posts were deleted, then we need to update user A's read status to the new N-X post number so that they get notified by new posts.</p>