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# Redmine - project management software

# Copyright (C) 2006-2013  Jean-Philippe Lang

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

module ActiveRecord

  module FinderMethods

    def find_ids(*args)

      find_ids_with_associations

    end

    private

    def find_ids_with_associations

        join_dependency = construct_join_dependency_for_association_find

        relation = construct_relation_for_association_find_ids(join_dependency)

        rows = connection.select_all(relation, 'SQL', relation.bind_values)

        rows.map {|row| row["id"].to_i}

      rescue ThrowResult

        []

    end

    def construct_relation_for_association_find_ids(join_dependency)

      relation = except(:includes, :eager_load, :preload, :select).select("#{table_name}.id")

      apply_join_dependency(relation, join_dependency)

    end

  end

end

class DateValidator < ActiveModel::EachValidator

  def validate_each(record, attribute, value)

    before_type_cast = record.attributes_before_type_cast[attribute.to_s]

    if before_type_cast.is_a?(String) && before_type_cast.present?

      # TODO: #*_date_before_type_cast returns a Mysql::Time with ruby1.8+mysql gem

      unless before_type_cast =~ /\A\d{4}-\d{2}-\d{2}( 00:00:00)?\z/ && value

        record.errors.add attribute, :not_a_date

      end

    end

  end

end