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Expire Caches for Redirected Links

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[[!redirect foo]] should expire all pages which reference "foo".
Sounds simple, but this was a really gnarly bug to fix.
This commit is contained in:
Jacques Distler 2009-06-05 00:39:12 -05:00
parent ea6b04271b
commit 0943b7e510
5 changed files with 15 additions and 18 deletions
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7
lib/page_renderer.rb
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@ -179,7 +179,12 @@ class PageRenderer
references.build :referenced_name => redirected_page_name,
:link_type => WikiReference::REDIRECTED_PAGE
end
# ugly hack: store these in a thread-local variable, so that the cache-sweeper has access to it.
Thread.current[:page_redirects] ?
Thread.current[:page_redirects].update({ @revision.page.name => redirects}) :
Thread.current[:page_redirects] = { @revision.page.name => redirects}
categories = rendering_result.find_chunks(Category).map { |cat| cat.list }.flatten
categories.each do |category|
references.build :referenced_name => category, :link_type => WikiReference::CATEGORY