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# == Schema Information
#
# Table name: public_body_headings
#
# id :integer not null, primary key
# display_order :integer
#
class PublicBodyHeading < ActiveRecord::Base
attr_accessible :locale, :name, :display_order, :translated_versions,
:translations_attributes
has_many :public_body_category_links, :dependent => :destroy
has_many :public_body_categories, :order => :category_display_order, :through => :public_body_category_links
default_scope order('display_order ASC')
translates :name
accepts_nested_attributes_for :translations, :reject_if => :empty_translation_in_params?
validates_uniqueness_of :name, :message => 'Name is already taken'
validates_presence_of :name, :message => 'Name can\'t be blank'
validates :display_order, :numericality => { :only_integer => true,
:message => 'Display order must be a number' }
before_validation :on => :create do
unless self.display_order
self.display_order = PublicBodyHeading.next_display_order
end
end
# Convenience methods for creating/editing translations via forms
def find_translation_by_locale(locale)
translations.find_by_locale(locale)
end
def translated_versions
translations
end
def translated_versions=(translation_attrs)
warn "[DEPRECATION] PublicBodyHeading#translated_versions= will be replaced " \
"by PublicBodyHeading#translations_attributes= as of release 0.22"
self.translations_attributes = translation_attrs
end
def ordered_translations
translations.
select { |t| I18n.available_locales.include?(t.locale) }.
sort_by { |t| I18n.available_locales.index(t.locale) }
end
def build_all_translations
I18n.available_locales.each do |locale|
translations.build(:locale => locale) unless translations.detect{ |t| t.locale == locale }
end
end
def add_category(category)
unless public_body_categories.include?(category)
public_body_categories << category
end
end
def self.next_display_order
if max = maximum(:display_order)
max + 1
else
0
end
end
private
def empty_translation_in_params?(attributes)
attrs_with_values = attributes.select do |key, value|
value != '' and key.to_s != 'locale'
end
attrs_with_values.empty?
end
end
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