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# frozen_string_literal: true
# Redmine - project management software
# Copyright (C) 2006-2017 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.
class CustomFieldEnumeration < ActiveRecord::Base
belongs_to :custom_field
validates_presence_of :name, :position, :custom_field_id
validates_length_of :name, :maximum => 60
validates_numericality_of :position, :only_integer => true
before_create :set_position
scope :active, lambda { where(:active => true) }
def to_s
name.to_s
end
def objects_count
custom_values.count
end
def in_use?
objects_count > 0
end
alias :destroy_without_reassign :destroy
def destroy(reassign_to=nil)
if reassign_to
custom_values.update_all(:value => reassign_to.id.to_s)
end
destroy_without_reassign
end
def custom_values
custom_field.custom_values.where(:value => id.to_s)
end
def self.update_each(custom_field, attributes)
transaction do
attributes.each do |enumeration_id, enumeration_attributes|
enumeration = custom_field.enumerations.find_by_id(enumeration_id)
if enumeration
if block_given?
yield enumeration, enumeration_attributes
else
enumeration.attributes = enumeration_attributes
end
unless enumeration.save
raise ActiveRecord::Rollback
end
end
end
end
end
def self.fields_for_order_statement(table=nil)
table ||= table_name
columns = ['position']
columns.uniq.map {|field| "#{table}.#{field}"}
end
private
def set_position
max = self.class.where(:custom_field_id => custom_field_id).maximum(:position) || 0
self.position = max + 1
end
end
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