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 Picture < ActiveRecord::Base
22 def set_from_field(field)
23 unless field.content_type.match(/^image/)
26 self.filename = base_part_of(field.original_filename)
27 self.filetype = field.content_type.chomp
28 self.data = field.read
32 def base_part_of(filename)
33 name = File.basename(filename)
34 name.gsub(/[^\w._-]/, '')