Module: Globalize::UniquenessValidatorOverride

Defined in:
lib/patches/active_record/rails4/uniqueness_validator.rb

Instance Method Summary collapse

Instance Method Details

#validate_each(record, attribute, value) ⇒ Object



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# File 'lib/patches/active_record/rails4/uniqueness_validator.rb', line 5

def validate_each(record, attribute, value)
  klass = record.class
  if klass.translates? && klass.translated?(attribute)
    finder_class = klass.translation_class
    table = finder_class.arel_table

    relation = build_relation(finder_class, table, attribute, value).and(table[:locale].eq(Globalize.locale))
    relation = relation.and(table[klass.reflect_on_association(:translations).foreign_key].not_eq(record.send(:id))) if record.persisted?

    translated_scopes = Array(options[:scope]) & klass.translated_attribute_names
    untranslated_scopes = Array(options[:scope]) - translated_scopes

    untranslated_scopes.each do |scope_item|
      scope_value = record.send(scope_item)
      reflection = klass.reflect_on_association(scope_item)
      if reflection
        scope_value = record.send(reflection.foreign_key)
        scope_item = reflection.foreign_key
      end
      relation = relation.and(find_finder_class_for(record).arel_table[scope_item].eq(scope_value))
    end

    translated_scopes.each do |scope_item|
      scope_value = record.send(scope_item)
      relation = relation.and(table[scope_item].eq(scope_value))
    end

    if klass.unscoped.with_translations.where(relation).exists?
      record.errors.add(attribute, :taken, options.except(:case_sensitive, :scope).merge(:value => value))
    end
  else
    super
  end
end