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netguru/gist:26488

Created November 19, 2008 12:06
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gistfile1.rbx
# =================
# = counter cache =
# =================
def after_save
self.update_counter_cache
end
def after_destroy
self.update_counter_cache
end
def update_counter_cache
self.user.update_attribute(:comments_count, self.user.comments.active.count)
end
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