Sha256: abea9e34297c64d522cd0c0ded1db4c44437cf2d329526cb60037504d9228719
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Size: 825 Bytes
Versions: 41
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Stored size: 825 Bytes
Contents
module Positionable
extend ActiveSupport::Concern
MAX_POS = 32768 # maximum 2 bytes integer
included do
field :position, :integer, :default => MAX_POS
end
module ClassMethods
def update_positions(id_pos_pairs)
self.transaction do
id_pos_pairs.each do |pair|
self.find(pair[:id]).update_attributes!(:position => pair[:position])
end
end
end
end
class << self
def get(class_name)
@_positionable_flyweight ||= {}
underscored_name = class_name.is_a?(Class) ? class_name.name.underscore : class_name.to_s.underscore.singularize
@_positionable_flyweight[underscored_name] || (@_positionable_flyweight[underscored_name] = class_name.is_a?(Class) ? class_name : "#{underscored_name}".camelize.constantize)
end
end
end
Version data entries
41 entries across 41 versions & 1 rubygems