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 ElectionController < ApplicationController
20 require_dependency "raw_voter_list"
21 require_dependency "voter"
22 require_dependency "vote"
23 require_dependency "candidate"
26 ## methods for displaying, creating,
27 ## and manipulating election overview data
28 ####################################################################
31 redirect_to :action => 'general_information'
34 def general_information
35 @sidebar_content = render_to_string :partial => 'progress',
36 :locals => { :page => 'overview' }
37 @election = Election.new
38 render :action => 'general_information'
42 @election = Election.new(params[:election])
45 @election.user = session[:user]
46 @election.anonymous = 1
47 @election.startdate = Time.now
49 unless params[:top_bar][:uploaded_data].to_s.empty?
50 token_generator = UniqueTokenGenerator.new( 16 )
51 @election.embed_custom_string = token_generator.token
52 add_theme(@election.embed_custom_string)
56 flash[:notice] = 'Election was successfully created.'
57 redirect_to :action => 'edit_candidates', :id => @election.id
59 render :action => 'general_information'
63 # TODO add filter to verify that the person working on or looking at
64 # something is the owner
65 def edit_general_information
66 @election = Election.find(params[:id])
69 def update_general_information
70 @election = Election.find(params[:id])
72 unless params[:top_bar][:uploaded_data].to_s.empty?
73 add_theme(@election.embed_custom_string)
76 if @election.update_attributes(params[:election])
77 flash[:notice] = 'Election was successfully updated.'
78 redirect_to :action => 'show', :id => @election
80 render :action => 'edit'
85 unless params[:top_bar][:uploaded_data].to_s.empty?
86 top_bar = SkinPicture.new(params[:top_bar])
87 top_bar.filename = prefix + "top_bar"
90 unless params[:default_image][:uploaded_data].to_s.empty?
91 default_image = SkinPicture.new(params[:default_image])
92 default_image.filename = prefix + "default_image"
95 unless params[:bg1][:uploaded_data].to_s.empty?
96 bg1 = SkinPicture.new(params[:bg1])
97 bg1.filename = prefix + "bg1"
100 unless params[:bg2][:uploaded_data].to_s.empty?
101 bg2 = SkinPicture.new(params[:bg2])
102 bg2.filename = prefix + "bg2"
105 unless params[:bottom_bar][:uploaded_data].to_s.empty?
106 bottom_bar = SkinPicture.new(params[:bottom_bar])
107 bottom_bar.filename = prefix + "bottom_bar"
114 @sidebar_content = render_to_string :partial => 'progress',
115 :locals => { :page => 'review' }
117 @election = Election.find(params[:id])
118 if @election.type == QuickVote
119 redirect_to(:controller => 'quickvote', :action => 'index', :ident => @election.id)
125 @election = Election.find(params[:id])
127 @election.voters.each do |voter|
128 voter.vote = Vote.new
129 email_voter voter unless voter.email.nil?
133 redirect_to :action => 'show', :id => @election.id
136 # methods fod display, adding, deleting, and manipulating candidate
137 # information for elections
138 ####################################################################
140 @sidebar_content = render_to_string :partial => 'progress',
141 :locals => { :page => 'candidates' }
142 @election = Election.find( params[:id] )
146 @election = Election.find(params[:id])
147 @candidate = Candidate.new(params[:candidate])
148 @election.candidates << @candidate
151 # check to see if they've uploaded a picture
152 if params[:picture][:uploaded_data]
153 picture = Picture.new(params[:picture])
154 @candidate.picture = picture if picture.save
157 @candidate = Candidate.new
158 redirect_to :action => 'edit_candidates', :id => @election.id
160 render :action => 'edit_candidates', :id => @election.id
165 candidate = Candidate.find( params[:id] )
169 def candidate_picture
170 candidate = Candidate.find( params[:id] )
171 send_data( candidate.picture.data,
172 :filename => candidate.picture.filename,
173 :type => candidate.picture.filetype,
174 :disposition => 'inline' )
177 ## methods for displaying, adding, deleting, and manipulating voters
178 ## for a particular election
179 ####################################################################
181 redirect_to :action => 'edit_voters', :id => params[:id]
185 @sidebar_content = render_to_string :partial => 'progress',
186 :locals => { :page => 'voters' }
188 @election = Election.find( params[:id] )
189 if params.has_key?( :raw_voter_list )
190 process_incoming_voters( params[:raw_voter_list] )
192 @raw_voter_list = RawVoterList.new
196 voter = Voter.find( params[:id] )
200 def toggle_authenticated
201 @election = Election.find(params[:id])
202 if params[:authenticated] == "1"
203 @election.authenticated = true
205 @election.authenticated = false
210 ## methods for computing and printing results
211 ####################################################################
213 @election = Election.find( params[:id] )
216 @election.voters.each do |voter|
217 if voter.vote and voter.vote.confirmed?
218 votes << voter.vote.rankings.sort.collect {|vote| vote.candidate_id}
222 @voteobj = CloneproofSSDVote.new(votes)
223 @resultobj = @voteobj.result
224 @winners = @resultobj.winners
226 @candidates_by_id = {}
227 @election.candidates.each {|cand| @candidates_by_id[cand.id] = cand}
238 @election.voters.each do |voter|
239 if voter.vote and voter.vote.confirmed?
240 @voter_list << voter.email
241 @vote_list << voter.vote
246 @vote_list.sort! { |a,b| a.token <=> b.token }
250 ####################################################################
253 def process_incoming_voters(raw_voter_list)
254 incoming_voters = RawVoterList.new( raw_voter_list )
256 unless incoming_voters.entries.empty?
257 incoming_voters.each do |new_voter|
258 new_voter.email.strip! # There's a trailing \r on all but the last in
261 # the new voter should be in good shape. save add to the election
262 @election.voters << new_voter
265 # TODO: Can we do some kind of AJAX error message for the voter being invalid?
270 # reset the next time to have a the same default value for emailing
271 @raw_voter_list = RawVoterList.new
272 @raw_voter_list.email = incoming_voters.email
275 def email_voter(voter=nil)
277 VoterNotify.deliver_votestart(voter)