Module: Ransack::Translate

Defined in:
lib/ransack/translate.rb,
lib/ransack/adapters/mongoid/ransack/translate.rb,
lib/ransack/adapters/active_record/ransack/translate.rb

Class Method Summary collapse

Class Method Details

.association(key, options = {}) ⇒ Object 



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# File 'lib/ransack/translate.rb', line 55

def self.association(key, options = {})
  unless context = options.delete(:context)
    raise ArgumentError, "A context is required to translate associations"
  end

  defaults =
    if key.blank?
      [:"ransack.models.#{i18n_key(context.klass)}",
       :"#{context.klass.i18n_scope}.models.#{i18n_key(context.klass)}"]
    else
      [:"ransack.associations.#{i18n_key(context.klass)}.#{key}"]
    end
  defaults << context.traverse(key).model_name.human
  options = { :count => 1, :default => defaults }
  I18n.translate(defaults.shift, options)
end

.attribute(key, options = {}) ⇒ Object 



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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}$/, 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

.i18n_key(klass) ⇒ Object 



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# File 'lib/ransack/translate.rb', line 152

def self.i18n_key(klass)
  raise "not implemented"
end

.predicate(key, options = {}) ⇒ Object 



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# File 'lib/ransack/translate.rb', line 13

def self.predicate(key, options = {})
  I18n.translate(:"ransack.predicates.#{key}", :default => key.to_s)
end

.word(key, options = {}) ⇒ Object 



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# File 'lib/ransack/translate.rb', line 9

def self.word(key, options = {})
  I18n.translate(:"ransack.#{key}", :default => key.to_s)
end