Module: HasOrder::OrmAdapter::ActiveRecord::ClassMethods

Defined in:
lib/has_order/orm_adapter/active_record.rb

Instance Method Summary collapse

Instance Method Details

#next_position ⇒ Object 



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# File 'lib/has_order/orm_adapter/active_record.rb', line 21

def next_position
  maximum(position_column).to_i + position_shift_interval
end

#ordered ⇒ Object 



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# File 'lib/has_order/orm_adapter/active_record.rb', line 12

def ordered
  order(arel_table[position_column].asc)
end

#shift! ⇒ Object 



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# File 'lib/has_order/orm_adapter/active_record.rb', line 16

def shift!
  col = position_column
  update_all("#{col} = #{col} + #{position_shift_interval}")
end