mirror of
https://github.com/redmine/redmine.git
synced 2024-08-27 17:54:48 +02:00
![Jean-Philippe Lang](/assets/img/avatar_default.png)
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5354 e93f8b46-1217-0410-a6f0-8f06a7374b81
152 lines
5.1 KiB
Ruby
152 lines
5.1 KiB
Ruby
# Redmine - project management software
|
|
# Copyright (C) 2006-2011 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 CustomField < ActiveRecord::Base
|
|
has_many :custom_values, :dependent => :delete_all
|
|
acts_as_list :scope => 'type = \'#{self.class}\''
|
|
serialize :possible_values
|
|
|
|
validates_presence_of :name, :field_format
|
|
validates_uniqueness_of :name, :scope => :type
|
|
validates_length_of :name, :maximum => 30
|
|
validates_inclusion_of :field_format, :in => Redmine::CustomFieldFormat.available_formats
|
|
|
|
def initialize(attributes = nil)
|
|
super
|
|
self.possible_values ||= []
|
|
end
|
|
|
|
def before_validation
|
|
# make sure these fields are not searchable
|
|
self.searchable = false if %w(int float date bool).include?(field_format)
|
|
true
|
|
end
|
|
|
|
def validate
|
|
if self.field_format == "list"
|
|
errors.add(:possible_values, :blank) if self.possible_values.nil? || self.possible_values.empty?
|
|
errors.add(:possible_values, :invalid) unless self.possible_values.is_a? Array
|
|
end
|
|
|
|
# validate default value
|
|
v = CustomValue.new(:custom_field => self.clone, :value => default_value, :customized => nil)
|
|
v.custom_field.is_required = false
|
|
errors.add(:default_value, :invalid) unless v.valid?
|
|
end
|
|
|
|
def possible_values_options(obj=nil)
|
|
case field_format
|
|
when 'user', 'version'
|
|
if obj.respond_to?(:project) && obj.project
|
|
case field_format
|
|
when 'user'
|
|
obj.project.users.sort.collect {|u| [u.to_s, u.id.to_s]}
|
|
when 'version'
|
|
obj.project.versions.sort.collect {|u| [u.to_s, u.id.to_s]}
|
|
end
|
|
elsif obj.is_a?(Array)
|
|
obj.collect {|o| possible_values_options(o)}.inject {|memo, v| memo & v}
|
|
else
|
|
[]
|
|
end
|
|
else
|
|
read_attribute :possible_values
|
|
end
|
|
end
|
|
|
|
def possible_values(obj=nil)
|
|
case field_format
|
|
when 'user', 'version'
|
|
possible_values_options(obj).collect(&:last)
|
|
else
|
|
read_attribute :possible_values
|
|
end
|
|
end
|
|
|
|
# Makes possible_values accept a multiline string
|
|
def possible_values=(arg)
|
|
if arg.is_a?(Array)
|
|
write_attribute(:possible_values, arg.compact.collect(&:strip).select {|v| !v.blank?})
|
|
else
|
|
self.possible_values = arg.to_s.split(/[\n\r]+/)
|
|
end
|
|
end
|
|
|
|
def cast_value(value)
|
|
casted = nil
|
|
unless value.blank?
|
|
case field_format
|
|
when 'string', 'text', 'list'
|
|
casted = value
|
|
when 'date'
|
|
casted = begin; value.to_date; rescue; nil end
|
|
when 'bool'
|
|
casted = (value == '1' ? true : false)
|
|
when 'int'
|
|
casted = value.to_i
|
|
when 'float'
|
|
casted = value.to_f
|
|
when 'user', 'version'
|
|
casted = (value.blank? ? nil : field_format.classify.constantize.find_by_id(value.to_i))
|
|
end
|
|
end
|
|
casted
|
|
end
|
|
|
|
# Returns a ORDER BY clause that can used to sort customized
|
|
# objects by their value of the custom field.
|
|
# Returns false, if the custom field can not be used for sorting.
|
|
def order_statement
|
|
case field_format
|
|
when 'string', 'text', 'list', 'date', 'bool'
|
|
# COALESCE is here to make sure that blank and NULL values are sorted equally
|
|
"COALESCE((SELECT cv_sort.value FROM #{CustomValue.table_name} cv_sort" +
|
|
" WHERE cv_sort.customized_type='#{self.class.customized_class.name}'" +
|
|
" AND cv_sort.customized_id=#{self.class.customized_class.table_name}.id" +
|
|
" AND cv_sort.custom_field_id=#{id} LIMIT 1), '')"
|
|
when 'int', 'float'
|
|
# Make the database cast values into numeric
|
|
# Postgresql will raise an error if a value can not be casted!
|
|
# CustomValue validations should ensure that it doesn't occur
|
|
"(SELECT CAST(cv_sort.value AS decimal(60,3)) FROM #{CustomValue.table_name} cv_sort" +
|
|
" WHERE cv_sort.customized_type='#{self.class.customized_class.name}'" +
|
|
" AND cv_sort.customized_id=#{self.class.customized_class.table_name}.id" +
|
|
" AND cv_sort.custom_field_id=#{id} AND cv_sort.value <> '' AND cv_sort.value IS NOT NULL LIMIT 1)"
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
def <=>(field)
|
|
position <=> field.position
|
|
end
|
|
|
|
def self.customized_class
|
|
self.name =~ /^(.+)CustomField$/
|
|
begin; $1.constantize; rescue nil; end
|
|
end
|
|
|
|
# to move in project_custom_field
|
|
def self.for_all
|
|
find(:all, :conditions => ["is_for_all=?", true], :order => 'position')
|
|
end
|
|
|
|
def type_name
|
|
nil
|
|
end
|
|
end
|