class Mobility::Plugins::ActiveRecord::UniquenessValidation::UniquenessValidator

Public Instance Methods

validate_each(record, attribute, value) click to toggle source

@param [ActiveRecord::Base] record Translated model @param [String] attribute Name of attribute @param [Object] value Attribute value

Calls superclass method
# File lib/mobility/plugins/active_record/uniqueness_validation.rb, line 25
def validate_each(record, attribute, value)
  klass = record.class

  if ([*options[:scope]] + [attribute]).any? { |name| klass.mobility_attribute?(name) }
    return unless value.present?
    relation = Plugins::ActiveRecord::Query.build_query(klass.unscoped, Mobility.locale) do |m|
      node = m.__send__(attribute)
      options[:case_sensitive] == false ? node.lower.eq(value.downcase) : node.eq(value)
    end
    relation = relation.where.not(klass.primary_key => record.id) if record.persisted?
    relation = mobility_scope_relation(record, relation)
    relation = relation.merge(options[:conditions]) if options[:conditions]

    if relation.exists?
      error_options = options.except(:case_sensitive, :scope, :conditions)
      error_options[:value] = value

      record.errors.add(attribute, :taken, **error_options)
    end
  else
    super
  end
end

Private Instance Methods

mobility_scope_relation(record, relation) click to toggle source
# File lib/mobility/plugins/active_record/uniqueness_validation.rb, line 51
def mobility_scope_relation(record, relation)
  [*options[:scope]].inject(relation) do |scoped_relation, scope_item|
    Plugins::ActiveRecord::Query.build_query(scoped_relation, Mobility.locale) do |m|
      m.__send__(scope_item).eq(record.send(scope_item))
    end
  end
end