1 # Selectricity: Voting Machinery for the Masses
2 # Copyright (C) 2007, 2008 Benjamin Mako Hill <mako@atdot.cc>
3 # Copyright (C) 2007 Massachusetts Institute of Technology
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU Affero General Public License as
7 # published by the Free Software Foundation, either version 3 of the
8 # License, or (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # Affero General Public License for more details.
15 # You should have received a copy of the GNU Affero General Public
16 # License along with this program. If not, see
17 # <http://www.gnu.org/licenses/>.
19 class Candidate < ActiveRecord::Base
21 validates_presence_of :name
23 # i have to call this picture_assoc because picture= does not overload
24 # the normal association method made by has_one
25 has_one :picture_obj, :class_name => "Picture"
27 # validate uniqueness of a name *within a given election*
30 self.name <=> other.name
42 if field and field.length > 0
43 self.picture_obj = Picture.new.set_from_field(field)
44 return picture_obj.save
51 !self.picture_obj.nil?