Redmine 3.4.4

app/models/custom_field_enumeration.rb

@@ -0,0 +1,82 @@
+# 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