friendship_sweeper.rb
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class FriendshipSweeper < ActiveRecord::Observer
observe :friendship
include SweeperHelper
def after_create(friendship)
expire_caches(friendship)
end
def after_destroy(friendship)
if friendship.person
expire_cache(friendship.person)
end
end
protected
def expire_caches(friendship)
[friendship.person, friendship.friend].each do |profile|
if profile
expire_cache(profile)
end
end
end
def expire_cache(profile)
# public friends page
pages = profile.friends.count / Noosfero::Constants::PROFILE_PER_PAGE + 1
(1..pages).each do |i|
expire_timeout_fragment(profile.friends_cache_key(:npage => i.to_s))
end
# manage friends page
pages = profile.friends.count / Noosfero::Constants::PROFILE_PER_PAGE + 1
(1..pages).each do |i|
expire_timeout_fragment(profile.manage_friends_cache_key(:npage => i.to_s))
end
expire_blocks_cache(profile, [:profile])
end
end