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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 :name, :display_order, :translated_versions
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
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)
def empty_translation?(attrs)
attrs_with_values = attrs.select{ |key, value| value != '' and key != 'locale' }
attrs_with_values.empty?
end
if translation_attrs.respond_to? :each_value # Hash => updating
translation_attrs.each_value do |attrs|
next if empty_translation?(attrs)
t = translation_for(attrs[:locale]) || PublicBodyHeading::Translation.new
t.attributes = attrs
t.save!
end
else # Array => creating
translation_attrs.each do |attrs|
next if empty_translation?(attrs)
new_translation = PublicBodyHeading::Translation.new(attrs)
translations << new_translation
end
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
end
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