149 lines
4.3 KiB
Ruby
149 lines
4.3 KiB
Ruby
# Redmine - project management software
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# Copyright (C) 2006-2014 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class Enumeration < ActiveRecord::Base
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include Redmine::SubclassFactory
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default_scope :order => "#{Enumeration.table_name}.position ASC"
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belongs_to :project
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acts_as_list :scope => 'type = \'#{type}\''
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acts_as_customizable
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acts_as_tree :order => "#{Enumeration.table_name}.position ASC"
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before_destroy :check_integrity
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before_save :check_default
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attr_protected :type
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validates_presence_of :name
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validates_uniqueness_of :name, :scope => [:type, :project_id]
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validates_length_of :name, :maximum => 30
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scope :shared, lambda { where(:project_id => nil) }
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scope :sorted, lambda { order("#{table_name}.position ASC") }
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scope :active, lambda { where(:active => true) }
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scope :system, lambda { where(:project_id => nil) }
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scope :named, lambda {|arg| where("LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip)}
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def self.default
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# Creates a fake default scope so Enumeration.default will check
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# it's type. STI subclasses will automatically add their own
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# types to the finder.
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if self.descends_from_active_record?
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where(:is_default => true, :type => 'Enumeration').first
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else
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# STI classes are
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where(:is_default => true).first
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end
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end
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# Overloaded on concrete classes
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def option_name
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nil
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end
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def check_default
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if is_default? && is_default_changed?
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Enumeration.where({:type => type}).update_all({:is_default => false})
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end
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end
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# Overloaded on concrete classes
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def objects_count
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0
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end
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def in_use?
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self.objects_count != 0
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end
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# Is this enumeration overriding a system level enumeration?
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def is_override?
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!self.parent.nil?
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end
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alias :destroy_without_reassign :destroy
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# Destroy the enumeration
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# If a enumeration is specified, objects are reassigned
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def destroy(reassign_to = nil)
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if reassign_to && reassign_to.is_a?(Enumeration)
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self.transfer_relations(reassign_to)
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end
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destroy_without_reassign
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end
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def <=>(enumeration)
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position <=> enumeration.position
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end
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def to_s; name end
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# Returns the Subclasses of Enumeration. Each Subclass needs to be
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# required in development mode.
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#
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# Note: subclasses is protected in ActiveRecord
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def self.get_subclasses
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subclasses
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end
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# TODO: remove in Redmine 3.0
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def self.overridding_change?(new, previous)
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ActiveSupport::Deprecation.warn "Enumeration#overridding_change? is deprecated and will be removed in Redmine 3.0. Please use #overriding_change?."
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overriding_change?(new, previous)
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end
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# Does the +new+ Hash override the previous Enumeration?
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def self.overriding_change?(new, previous)
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if (same_active_state?(new['active'], previous.active)) && same_custom_values?(new,previous)
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return false
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else
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return true
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end
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end
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# Does the +new+ Hash have the same custom values as the previous Enumeration?
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def self.same_custom_values?(new, previous)
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previous.custom_field_values.each do |custom_value|
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if custom_value.value != new["custom_field_values"][custom_value.custom_field_id.to_s]
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return false
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end
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end
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return true
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end
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# Are the new and previous fields equal?
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def self.same_active_state?(new, previous)
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new = (new == "1" ? true : false)
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return new == previous
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end
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private
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def check_integrity
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raise "Can't delete enumeration" if self.in_use?
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end
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end
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# Force load the subclasses in development mode
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require_dependency 'time_entry_activity'
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require_dependency 'document_category'
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require_dependency 'issue_priority'
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