+# Selectricity: Voting Machinery for the Masses
+# Copyright (C) 2007, 2008 Benjamin Mako Hill <mako@atdot.cc>
+# Copyright (C) 2007 Massachusetts Institute of Technology
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 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
+# Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public
+# License along with this program. If not, see
+# <http://www.gnu.org/licenses/>.
+
class Candidate < ActiveRecord::Base
belongs_to :election
+ validates_presence_of :name
+
+ # i have to call this picture_assoc because picture= does not overload
+ # the normal association method made by has_one
+ has_one :picture_obj, :class_name => "Picture"
+
+ # validate uniqueness of a name *within a given election*
def <=>(other)
- self.name <=> other.name
+ self.name <=> other.name
+ end
+
+ def to_s
+ name
+ end
+
+ def picture
+ picture_obj
+ end
+
+ def picture=(field)
+ if field and field.length > 0
+ self.picture_obj = Picture.new.set_from_field(field)
+ return picture_obj.save
+ else
+ return false
+ end
+ end
+
+ def picture?
+ !self.picture_obj.nil?
end
end
+