Module: Narou::Mixin::Locker

Included in:
Narou
Defined in:
lib/mixin/locker.rb

Instance Method Summary collapse

Instance Method Details

#lock(target) ⇒ Object 



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# File 'lib/mixin/locker.rb', line 15

def lock(target)
  id = Downloader.get_id_by_target(target)
  unless id
    yield if block_given?
    return
  end
  locked_list = Inventory.load("lock")
  locked_list[id] = Time.now
  locked_list.save
  return unless block_given?
  begin
    yield
  ensure
    unlock(target)
  end
end

#locked?(target) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mixin/locker.rb', line 10

def locked?(target)
  id = Downloader.get_id_by_target(target) or return false
  Inventory.load("lock").include?(id)
end

#unlock(target) ⇒ Object 



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# File 'lib/mixin/locker.rb', line 32

def unlock(target)
  id = Downloader.get_id_by_target(target) or return
  locked_list = Inventory.load("lock")
  return unless locked_list.delete(id)
  locked_list.save
end