instiki/app/controllers/web_sweeper.rb

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require_dependency 'cache_sweeping_helper'
class WebSweeper < ActionController::Caching::Sweeper
include CacheSweepingHelper
observe Web, Page, WikiFile
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def after_save(record)
if record.is_a?(Web)
web = record
web.pages.each { |page| expire_cached_page(web, page.name) }
expire_cached_summary_pages(web)
elsif record.is_a?(WikiFile)
record.web.pages_that_link_to(record.file_name).each do |page|
expire_cached_page(record.web, page)
end
expire_cached_summary_pages(record.web)
end
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end
def after_destroy(record)
if record.is_a?(Web)
expire_cached_summary_pages(record)
elsif record.is_a?(Page)
expire_cached_page(record.web, record.name)
expire_cached_summary_pages(record.web)
expire_cached_revisions(record)
else
expire_cached_summary_pages(record.web)
end
end
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end