FIX: Can't dismiss unread posts in topics of a sub-subcategory #22870
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This is a similar fix to 32d4810
Why this change?
Prior to this change, there is a bug in
TopicsController#bulk
where it does not dismiss new unred posts in sub-subcategories when the
category_id
andinclude_subcategories=true
params are present. Thisis because the controller did not account for sub-subcategories when
fetching the category ids of the new topics that should be dismissed.
This commit fixes the problem by relying on the
Category.subcategory_ids
classmethod which accounts for sub-subcategories.