Class: Callbacks::UniqueKeyBeforeUpdate

Inherits:
Object
  • Object
show all
Includes:
Restrictor
Defined in:
app/models/callbacks/unique_key_before_update.rb

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



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# File 'app/models/callbacks/unique_key_before_update.rb', line 19

def call
  m.with_buffered_position(@position) do
    update_list
    m.other_locales(@position_was).each do |unique_key|
      unique_key.with_buffered_position(@position) do
        update_list(unique_key.locale)
      end
    end
  end
end

#init ⇒ Object 



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# File 'app/models/callbacks/unique_key_before_update.rb', line 5

def init
  # keep position and position_was, because buffered_position rewrites them
  @position, @position_was = m.position, m.position_was
  if @position_was < @position
    # move list range downward
    @range = (@position_was + 1)..@position
    @reverse = false
  else
    # move list range upward
    @range = @position..(@position_was - 1)
    @reverse = true
  end
end