Redmine 3.4.4

app/models/enumeration.rb

@@ -0,0 +1,173 @@
+# 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 Enumeration < ActiveRecord::Base
+  include Redmine::SubclassFactory
+
+  default_scope lambda {order(:position)}
+
+  belongs_to :project
+
+  acts_as_positioned :scope => :parent_id
+  acts_as_customizable
+  acts_as_tree
+
+  before_destroy :check_integrity
+  before_save    :check_default
+
+  attr_protected :type
+
+  validates_presence_of :name
+  validates_uniqueness_of :name, :scope => [:type, :project_id]
+  validates_length_of :name, :maximum => 30
+
+  scope :shared, lambda { where(:project_id => nil) }
+  scope :sorted, lambda { order(:position) }
+  scope :active, lambda { where(:active => true) }
+  scope :system, lambda { where(:project_id => nil) }
+  scope :named, lambda {|arg| where("LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip)}
+
+  def self.default
+    # Creates a fake default scope so Enumeration.default will check
+    # it's type.  STI subclasses will automatically add their own
+    # types to the finder.
+    if self.descends_from_active_record?
+      where(:is_default => true, :type => 'Enumeration').first
+    else
+      # STI classes are
+      where(:is_default => true).first
+    end
+  end
+
+  # Overloaded on concrete classes
+  def option_name
+    nil
+  end
+
+  def check_default
+    if is_default? && is_default_changed?
+      Enumeration.where({:type => type}).update_all({:is_default => false})
+    end
+  end
+
+  # Overloaded on concrete classes
+  def objects_count
+    0
+  end
+
+  def in_use?
+    self.objects_count != 0
+  end
+
+  # Is this enumeration overriding a system level enumeration?
+  def is_override?
+    !self.parent.nil?
+  end
+
+  alias :destroy_without_reassign :destroy
+
+  # Destroy the enumeration
+  # If a enumeration is specified, objects are reassigned
+  def destroy(reassign_to = nil)
+    if reassign_to && reassign_to.is_a?(Enumeration)
+      self.transfer_relations(reassign_to)
+    end
+    destroy_without_reassign
+  end
+
+  def <=>(enumeration)
+    position <=> enumeration.position
+  end
+
+  def to_s; name end
+
+  # Returns the Subclasses of Enumeration.  Each Subclass needs to be
+  # required in development mode.
+  #
+  # Note: subclasses is protected in ActiveRecord
+  def self.get_subclasses
+    subclasses
+  end
+
+  # Does the +new+ Hash override the previous Enumeration?
+  def self.overriding_change?(new, previous)
+    if (same_active_state?(new['active'], previous.active)) && same_custom_values?(new,previous)
+      return false
+    else
+      return true
+    end
+  end
+
+  # Does the +new+ Hash have the same custom values as the previous Enumeration?
+  def self.same_custom_values?(new, previous)
+    previous.custom_field_values.each do |custom_value|
+      if custom_value.value != new["custom_field_values"][custom_value.custom_field_id.to_s]
+        return false
+      end
+    end
+
+    return true
+  end
+
+  # Are the new and previous fields equal?
+  def self.same_active_state?(new, previous)
+    new = (new == "1" ? true : false)
+    return new == previous
+  end
+
+  private
+
+  def check_integrity
+    raise "Cannot delete enumeration" if self.in_use?
+  end
+
+  # Overrides Redmine::Acts::Positioned#set_default_position so that enumeration overrides
+  # get the same position as the overridden enumeration
+  def set_default_position
+    if position.nil? && parent
+      self.position = parent.position
+    end
+    super
+  end
+
+  # Overrides Redmine::Acts::Positioned#update_position so that overrides get the same
+  # position as the overridden enumeration
+  def update_position
+    super
+    if position_changed?
+      self.class.where.not(:parent_id => nil).update_all(
+        "position = coalesce((
+          select position
+          from (select id, position from enumerations) as parent
+          where parent_id = parent.id), 1)"
+      )
+    end
+  end
+
+  # Overrides Redmine::Acts::Positioned#remove_position so that enumeration overrides
+  # get the same position as the overridden enumeration
+  def remove_position
+    if parent_id.blank?
+      super
+    end
+  end
+end
+
+# Force load the subclasses in development mode
+require_dependency 'time_entry_activity'
+require_dependency 'document_category'
+require_dependency 'issue_priority'