projects.mako.cc - selectricity/blob - app/controllers/voter_controller.rb

   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
   4 #
   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.
   9 #
  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.
  14 #
  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/>.
  18
  19 class VoterController < ApplicationController
  20   layout 'main'
  21   require_dependency "voter"
  22   require_dependency "vote"
  23   require_dependency "election"
  24
  25   def index
  26     if params[:election_id]
  27       @election = Election.find(params[:election_id])
  28       unless @election.authenticated?
  29         @voter = Voter.find(:all,
  30           :conditions => ["session_id = ? and election_id = ?",
  31           session.session_id, @election.id])[0]
  32
  33         @voter = Voter.new unless @voter
  34
  35         @voter.election = @election
  36         @voter.session_id = session.session_id
  37         @password = "open." + @election.id.to_s
  38       end
  39     elsif params[:urlpassword]
  40       password = params[:urlpassword]
  41
  42       if @voter = FullVoter.find(:all,
  43         :conditions => [ "password = ?", password ] )[0]
  44         @election = @voter.election
  45         @password = @voter.password
  46       end
  47     end
  48
  49     if @voter and @election
  50       # initialize things if the vote is blank
  51       if @voter.vote.nil?
  52         @voter.vote = Vote.new
  53         @voter.save
  54       end
  55
  56       @voter.vote.set_defaults! if @voter.vote.rankings.empty?
  57
  58       # if the election is now finished
  59       if @election.enddate < Time.now
  60         redirect_to :action => :results, :id => @password
  61       else
  62         @sidebar_content = render_to_string(:partial => 'vote_sidebar')
  63         if @election.embeddable? and params[:embed] == "true"
  64           #look for custom theme, and assign to instance variabels for widget use
  65           if @election.embed_custom_string
  66             @top_bar = SkinPicture.find(:first,
  67             :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
  68             @default_image = SkinPicture.find(:first,
  69             :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
  70             @bg1 = SkinPicture.find(:first,
  71             :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
  72             @bg2 = SkinPicture.find(:first,
  73             :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
  74             @bottom_bar = SkinPicture.find(:first,
  75             :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
  76           end
  77           render :template => 'embed/full_vote', :layout => 'embed'
  78         else
  79           render :action => 'full_vote'
  80         end
  81       end
  82     end
  83   end
  84
  85   def login
  86     if params[:vote] and params[:vote][:password]
  87       redirect_to votepassword_url( :action => 'index', :urlpassword => params[:vote][:password])
  88     else
  89       redirect_to :action => 'index'
  90     end
  91   end
  92
  93   def pref_tables
  94     if authenticate
  95       @election = @voter.election
  96       @results = @election.results
  97       @candidates = {}
  98       @election.candidates.each {|c| @candidates[c.id] = c}
  99       @names = @election.names_by_id
 100       render :template => 'common/pref_tables', :layout => 'basic'
 101     else
 102       redirect_to :action => 'index'
 103     end
 104   end
 105
 106   def details
 107     if authenticate
 108       @election = @voter.election
 109       @votes = @election.votes.select {|v| v.confirmed? }.randomize
 110       @voters = @votes.collect {|v| v.voter}.randomize
 111       render :action => 'details'
 112     else
 113       redirect_to :action => 'index'
 114     end
 115   end
 116
 117   def review
 118     if authenticate
 119       @voter.vote.time = Time.now
 120       @voter.vote.save
 121       @voter.reload
 122     else
 123       redirect_to :action => 'index'
 124     end
 125   end
 126
 127   def confirm
 128     if authenticate
 129       @voter.vote.confirm!
 130
 131       if @voter.election.embeddable? and params[:embed] == "true" \
 132         and @voter.election.early_results?
 133         redirect_to :action => :results, :id => @password, :embed => 'true'
 134       else
 135         render :action => 'thanks'
 136       end
 137     else
 138       redirect_to :action => 'index'
 139     end
 140   end
 141
 142   def reminder
 143     if params[:email]
 144       voter_array= FullVoter.find(:all, :conditions => ["email = ?", params[:email]])
 145       voter_array.delete_if {|voter| voter.election.active == 0}
 146       unless voter_array.empty?
 147         VoterNotify.deliver_reminder(voter_array)
 148       end
 149       render :action => 'reminder_sent'
 150     end
 151   end
 152
 153   def results
 154     if authenticate and
 155       (@voter.election.early_results? \
 156        or @voter.election.enddate < Time.now)
 157
 158       @election = @voter.election
 159       # compute and display results
 160
 161       @results = @election.results
 162       @candidates = {}
 163       @election.candidates.each {|c| @candidates[c.id] = c}
 164       @names = @election.names_by_id
 165
 166       @sidebar_content = render_to_string(:partial => 'results_sidebar')
 167       #look for custom theme, and assign to instance variabels for widget use
 168       if @election.embed_custom_string
 169         @top_bar = SkinPicture.find(:first,
 170         :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
 171         @default_image = SkinPicture.find(:first,
 172         :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
 173         @bg1 = SkinPicture.find(:first,
 174         :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
 175         @bg2 = SkinPicture.find(:first,
 176         :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
 177         @bottom_bar = SkinPicture.find(:first,
 178         :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
 179       end
 180       if @election.embeddable? and params[:embed] == "true"
 181         render :template => 'embed/results', :layout => 'embed'
 182       else
 183         render :action => 'results'
 184       end
 185     else
 186       redirect_to :action => 'index'
 187     end
 188   end
 189
 190   private
 191   def authenticate
 192     password = params[:id]
 193     if password == "open"
 194       election = Election.find(params[:format])
 195       unless election.authenticated?
 196         @voter = Voter.find(:all,
 197           :conditions => ["session_id = ? and election_id = ?",
 198                           session.session_id, election.id])[0]
 199         @password = "open." + election.id.to_s
 200       end
 201     else
 202       @voter = FullVoter.find(:all,
 203         :conditions => [ "password = ?", password ] )[0]
 204       @password = @voter.password
 205     end
 206     @voter
 207   end
 208 end
 209