Module: ActiveLdap::Validations

Defined in:
lib/active_ldap/validations.rb

Class Method Summary collapse

Class Method Details

.append_features(base) ⇒ Object 



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# File 'lib/active_ldap/validations.rb', line 5

def self.append_features(base)
  super

  base.class_eval do
    alias_method :new_record?, :new_entry?
    include ActiveRecord::Validations

    validate :validate_required_values

    class << self
      alias_method :evaluate_condition_for_active_record,
                   :evaluate_condition
      def evaluate_condition(condition, entry)
        evaluate_condition_for_active_record(condition, entry)
      rescue ActiveRecord::ActiveRecordError
        raise Error, $!.message
      end
    end

    alias_method :save_with_validation_for_active_record!,
                 :save_with_validation!
    def save_with_validation!
      save_with_validation_for_active_record!
    rescue ActiveRecord::RecordInvalid
      raise EntryInvalid, $!.message
    end
    alias_method :save!, :save_with_validation!

    def valid?
      ensure_apply_object_class
      super
    end

    # validate_required_values
    #
    # Basic validation:
    # - Verify that every 'MUST' specified in the schema has a value defined
    def validate_required_values
      logger.debug {"stub: validate_required_values called"}

      # Make sure all MUST attributes have a value
      @musts.each do |object_class, attributes|
        attributes.each do |required_attribute|
          # Normalize to ensure we catch schema problems
          real_name = to_real_attribute_name(required_attribute)
          # # Set default if it wasn't yet set.
          # @data[real_name] ||= [] # need?
          value = @data[real_name] || []
          # Check for missing requirements.
          if value.empty?
            aliases = schema.attribute_aliases(real_name) - [real_name]
            message = "is required attribute "
            unless aliases.empty?
              message << "(aliases: #{aliases.join(', ')}) "
            end
            message << "by objectClass '#{object_class}'"
            errors.add(real_name, message)
          end
        end
      end
      logger.debug {"stub: validate_required_values finished"}
    end

    private
    alias_method :run_validations_for_active_record, :run_validations
    def run_validations(validation_method)
      run_validations_for_active_record(validation_method)
    rescue ActiveRecord::ActiveRecordError
      raise Error, $!.message
    end
  end
end