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Size: 1.2 KB
Versions: 30
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Stored size: 1.2 KB
Contents
require 'active_support/concern'
require 'active_support/core_ext'
# TODO: specs
module MnoEnterprise::DatabaseExtendable
extend ActiveSupport::Concern
class_methods do
def database_extendable(*fields)
fields.each do |field|
delegate field.to_sym, "#{field}=".to_sym, to: :extension
end
after_save :save_extensions
after_destroy :delete_extension
include MnoEnterprise::DatabaseExtendable::InstanceMethods
end
end
module InstanceMethods
def extension
@extension ||= klass.where(foreign_key => self.uid).first_or_initialize
end
def extension=(extension)
@extension = extension
end
def klass
"#{self.class}Extension".constantize
end
def foreign_key
self.class.to_s.foreign_key.gsub(/_id/, '_uid')
end
protected
def save_extensions
# Set extension foreign key
if extension.send(foreign_key).blank?
extension.send("#{foreign_key}=", self.uid)
end
# Save at all time to 'touch' to expire the cache
if extension.changed?
extension.save
else
extension.touch
end
end
def delete_extension
extension.destroy
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems