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# File 'lib/ransack/translate.rb', line 17
def self.attribute(key, options = {})
unless context = options.delete(:context)
raise ArgumentError, "A context is required to translate attributes"
end
original_name = key.to_s
base_class = context.klass
base_ancestors = base_class.ancestors.select {
|x| x.respond_to?(:model_name)
}
predicate = Predicate.detect_from_string(original_name)
attributes_str = original_name
.sub(/_#{predicate}$/, Ransack::Constants::EMPTY)
attribute_names = attributes_str.split(/_and_|_or_/)
combinator = attributes_str.match(/_and_/) ? :and : :or
defaults = base_ancestors.map do |klass|
"ransack.attributes.#{i18n_key(klass)}.#{original_name}".to_sym
end
translated_names = attribute_names.map do |name|
attribute_name(context, name, options[:include_associations])
end
interpolations = {
:attributes => translated_names.join(" #{Translate.word(combinator)} ")
}
if predicate
defaults << "%{attributes} %{predicate}".freeze
interpolations[:predicate] = Translate.predicate(predicate)
else
defaults << "%{attributes}".freeze
end
defaults << options.delete(:default) if options[:default]
options.reverse_merge! :count => 1, :default => defaults
I18n.translate(defaults.shift, options.merge(interpolations))
end
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