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class TranslationKey < ActiveRecord::Base
has_many :translations, :class_name => 'TranslationText', :dependent => :destroy
accepts_nested_attributes_for :translations, :allow_destroy => true
validates_uniqueness_of :key
validates_presence_of :key
attr_accessible :key, :translations, :translations_attributes if ActiveRecord::VERSION::MAJOR == 3 || defined?(ProtectedAttributes)
before_save :normalize_newlines
def self.translation(key, locale)
return unless translation_key = find_by_key(newline_normalize(key))
return unless translation_text = translation_key.translations.find_by_locale(locale)
translation_text.text
end
def self.available_locales
@@available_locales ||= begin
if ActiveRecord::VERSION::MAJOR >= 3
TranslationText.group(:locale).count
else
TranslationText.count(:group=>:locale)
end.keys.sort
end
end
protected
def self.newline_normalize(s)
s.to_s.gsub("\r\n", "\n")
end
def normalize_newlines
self.key = self.class.newline_normalize(key)
end
end
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