329 lines
11 KiB
Ruby
329 lines
11 KiB
Ruby
# Redmine - project management software
|
|
# Copyright (C) 2006-2012 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
|
|
include Redmine::SubclassFactory
|
|
|
|
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
|
|
|
|
validate :validate_custom_field
|
|
before_validation :set_searchable
|
|
|
|
scope :sorted, lambda { order("#{table_name}.position ASC") }
|
|
|
|
CUSTOM_FIELDS_TABS = [
|
|
{:name => 'IssueCustomField', :partial => 'custom_fields/index',
|
|
:label => :label_issue_plural},
|
|
{:name => 'TimeEntryCustomField', :partial => 'custom_fields/index',
|
|
:label => :label_spent_time},
|
|
{:name => 'ProjectCustomField', :partial => 'custom_fields/index',
|
|
:label => :label_project_plural},
|
|
{:name => 'VersionCustomField', :partial => 'custom_fields/index',
|
|
:label => :label_version_plural},
|
|
{:name => 'UserCustomField', :partial => 'custom_fields/index',
|
|
:label => :label_user_plural},
|
|
{:name => 'GroupCustomField', :partial => 'custom_fields/index',
|
|
:label => :label_group_plural},
|
|
{:name => 'TimeEntryActivityCustomField', :partial => 'custom_fields/index',
|
|
:label => TimeEntryActivity::OptionName},
|
|
{:name => 'IssuePriorityCustomField', :partial => 'custom_fields/index',
|
|
:label => IssuePriority::OptionName},
|
|
{:name => 'DocumentCategoryCustomField', :partial => 'custom_fields/index',
|
|
:label => DocumentCategory::OptionName}
|
|
]
|
|
|
|
CUSTOM_FIELDS_NAMES = CUSTOM_FIELDS_TABS.collect{|v| v[:name]}
|
|
|
|
def field_format=(arg)
|
|
# cannot change format of a saved custom field
|
|
super if new_record?
|
|
end
|
|
|
|
def set_searchable
|
|
# make sure these fields are not searchable
|
|
self.searchable = false if %w(int float date bool).include?(field_format)
|
|
# make sure only these fields can have multiple values
|
|
self.multiple = false unless %w(list user version).include?(field_format)
|
|
true
|
|
end
|
|
|
|
def validate_custom_field
|
|
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
|
|
|
|
if regexp.present?
|
|
begin
|
|
Regexp.new(regexp)
|
|
rescue
|
|
errors.add(:regexp, :invalid)
|
|
end
|
|
end
|
|
|
|
if default_value.present? && !valid_field_value?(default_value)
|
|
errors.add(:default_value, :invalid)
|
|
end
|
|
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.shared_versions.sort.collect {|u| [u.to_s, u.id.to_s]}
|
|
end
|
|
elsif obj.is_a?(Array)
|
|
obj.collect {|o| possible_values_options(o)}.reduce(:&)
|
|
else
|
|
[]
|
|
end
|
|
when 'bool'
|
|
[[l(:general_text_Yes), '1'], [l(:general_text_No), '0']]
|
|
else
|
|
possible_values || []
|
|
end
|
|
end
|
|
|
|
def possible_values(obj=nil)
|
|
case field_format
|
|
when 'user', 'version'
|
|
possible_values_options(obj).collect(&:last)
|
|
when 'bool'
|
|
['1', '0']
|
|
else
|
|
values = super()
|
|
if values.is_a?(Array)
|
|
values.each do |value|
|
|
value.force_encoding('UTF-8') if value.respond_to?(:force_encoding)
|
|
end
|
|
end
|
|
values || []
|
|
end
|
|
end
|
|
|
|
# Makes possible_values accept a multiline string
|
|
def possible_values=(arg)
|
|
if arg.is_a?(Array)
|
|
super(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
|
|
|
|
def value_from_keyword(keyword, customized)
|
|
possible_values_options = possible_values_options(customized)
|
|
if possible_values_options.present?
|
|
keyword = keyword.to_s.downcase
|
|
if v = possible_values_options.detect {|text, id| text.downcase == keyword}
|
|
if v.is_a?(Array)
|
|
v.last
|
|
else
|
|
v
|
|
end
|
|
end
|
|
else
|
|
keyword
|
|
end
|
|
end
|
|
|
|
# Returns a ORDER BY clause that can used to sort customized
|
|
# objects by their value of the custom field.
|
|
# Returns nil if the custom field can not be used for sorting.
|
|
def order_statement
|
|
return nil if multiple?
|
|
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.base_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(30,3)) FROM #{CustomValue.table_name} cv_sort" +
|
|
" WHERE cv_sort.customized_type='#{self.class.customized_class.base_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)"
|
|
when 'user', 'version'
|
|
value_class.fields_for_order_statement(value_join_alias)
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
# Returns a GROUP BY clause that can used to group by custom value
|
|
# Returns nil if the custom field can not be used for grouping.
|
|
def group_statement
|
|
return nil if multiple?
|
|
case field_format
|
|
when 'list', 'date', 'bool', 'int'
|
|
order_statement
|
|
when 'user', 'version'
|
|
"COALESCE((SELECT cv_sort.value FROM #{CustomValue.table_name} cv_sort" +
|
|
" WHERE cv_sort.customized_type='#{self.class.customized_class.base_class.name}'" +
|
|
" AND cv_sort.customized_id=#{self.class.customized_class.table_name}.id" +
|
|
" AND cv_sort.custom_field_id=#{id} LIMIT 1), '')"
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
def join_for_order_statement
|
|
case field_format
|
|
when 'user', 'version'
|
|
"LEFT OUTER JOIN #{CustomValue.table_name} #{join_alias}" +
|
|
" ON #{join_alias}.customized_type = '#{self.class.customized_class.base_class.name}'" +
|
|
" AND #{join_alias}.customized_id = #{self.class.customized_class.table_name}.id" +
|
|
" AND #{join_alias}.custom_field_id = #{id}" +
|
|
" AND #{join_alias}.value <> ''" +
|
|
" AND #{join_alias}.id = (SELECT max(#{join_alias}_2.id) FROM #{CustomValue.table_name} #{join_alias}_2" +
|
|
" WHERE #{join_alias}_2.customized_type = #{join_alias}.customized_type" +
|
|
" AND #{join_alias}_2.customized_id = #{join_alias}.customized_id" +
|
|
" AND #{join_alias}_2.custom_field_id = #{join_alias}.custom_field_id)" +
|
|
" LEFT OUTER JOIN #{value_class.table_name} #{value_join_alias}" +
|
|
" ON CAST(#{join_alias}.value as decimal(30,0)) = #{value_join_alias}.id"
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
def join_alias
|
|
"cf_#{id}"
|
|
end
|
|
|
|
def value_join_alias
|
|
join_alias + "_" + field_format
|
|
end
|
|
|
|
def <=>(field)
|
|
position <=> field.position
|
|
end
|
|
|
|
# Returns the class that values represent
|
|
def value_class
|
|
case field_format
|
|
when 'user', 'version'
|
|
field_format.classify.constantize
|
|
else
|
|
nil
|
|
end
|
|
end
|
|
|
|
def self.customized_class
|
|
self.name =~ /^(.+)CustomField$/
|
|
begin; $1.constantize; rescue nil; end
|
|
end
|
|
|
|
# to move in project_custom_field
|
|
def self.for_all
|
|
where(:is_for_all => true).order('position').all
|
|
end
|
|
|
|
def type_name
|
|
nil
|
|
end
|
|
|
|
# Returns the error messages for the given value
|
|
# or an empty array if value is a valid value for the custom field
|
|
def validate_field_value(value)
|
|
errs = []
|
|
if value.is_a?(Array)
|
|
if !multiple?
|
|
errs << ::I18n.t('activerecord.errors.messages.invalid')
|
|
end
|
|
if is_required? && value.detect(&:present?).nil?
|
|
errs << ::I18n.t('activerecord.errors.messages.blank')
|
|
end
|
|
value.each {|v| errs += validate_field_value_format(v)}
|
|
else
|
|
if is_required? && value.blank?
|
|
errs << ::I18n.t('activerecord.errors.messages.blank')
|
|
end
|
|
errs += validate_field_value_format(value)
|
|
end
|
|
errs
|
|
end
|
|
|
|
# Returns true if value is a valid value for the custom field
|
|
def valid_field_value?(value)
|
|
validate_field_value(value).empty?
|
|
end
|
|
|
|
def format_in?(*args)
|
|
args.include?(field_format)
|
|
end
|
|
|
|
protected
|
|
|
|
# Returns the error message for the given value regarding its format
|
|
def validate_field_value_format(value)
|
|
errs = []
|
|
if value.present?
|
|
errs << ::I18n.t('activerecord.errors.messages.invalid') unless regexp.blank? or value =~ Regexp.new(regexp)
|
|
errs << ::I18n.t('activerecord.errors.messages.too_short', :count => min_length) if min_length > 0 and value.length < min_length
|
|
errs << ::I18n.t('activerecord.errors.messages.too_long', :count => max_length) if max_length > 0 and value.length > max_length
|
|
|
|
# Format specific validations
|
|
case field_format
|
|
when 'int'
|
|
errs << ::I18n.t('activerecord.errors.messages.not_a_number') unless value =~ /^[+-]?\d+$/
|
|
when 'float'
|
|
begin; Kernel.Float(value); rescue; errs << ::I18n.t('activerecord.errors.messages.invalid') end
|
|
when 'date'
|
|
errs << ::I18n.t('activerecord.errors.messages.not_a_date') unless value =~ /^\d{4}-\d{2}-\d{2}$/ && begin; value.to_date; rescue; false end
|
|
when 'list'
|
|
errs << ::I18n.t('activerecord.errors.messages.inclusion') unless possible_values.include?(value)
|
|
end
|
|
end
|
|
errs
|
|
end
|
|
end
|