instiki/app/models/page_lock.rb

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Ruby
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# Contains all the lock methods to be mixed in with the page
module PageLock
LOCKING_PERIOD = 30 * 60 # 30 minutes
attr_reader :locked_by
def lock(time, locked_by)
@locked_at, @locked_by = time, locked_by
end
def lock_duration(time)
((time - @locked_at) / 60).to_i unless @locked_at.nil?
end
def unlock
@locked_at = nil
end
def locked?(comparison_time)
@locked_at + LOCKING_PERIOD > comparison_time unless @locked_at.nil?
end
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end