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. Please see the COPYING file for
   6 # details.
   7
   8 class VoterController < ApplicationController
   9   helper :sparklines
  10   layout 'main'
  11   require_dependency "voter"
  12   require_dependency "vote"
  13   require_dependency "election"
  14
  15   before_filter :authenticate, :except => [:index, :login, :reminder,
  16                                            :kiosk_ready]
  17
  18   def index
  19     if params[:election_id]
  20       @election = Election.find(params[:election_id])
  21       unless @election.authenticated?
  22         @voter = OpenVoter.find(:all,
  23           :conditions => ["session_id = ? and election_id = ?",
  24           session.session_id, @election.id])[0]
  25
  26         @voter = OpenVoter.new unless @voter
  27
  28         @voter.election = @election
  29         @voter.session_id = session.session_id
  30         @password = "open." + @election.id.to_s
  31       end
  32     elsif params[:urlpassword]
  33       password = params[:urlpassword]
  34
  35       if @voter = FullVoter.find(:all,
  36         :conditions => [ "password = ?", password ] )[0]
  37         @election = @voter.election
  38         @password = @voter.password
  39       end
  40     end
  41
  42     if @voter and @election
  43       # initialize things if the vote is blank
  44       if @voter.vote.nil?
  45         @voter.vote = Vote.new
  46         @voter.save
  47       end
  48
  49       @voter.vote.set_defaults! if @voter.vote.rankings.empty?
  50
  51       # if the election is now finished
  52       if @election.enddate < Time.now
  53         redirect_to :action => :results, :id => @password
  54       else
  55         @sidebar_content = render_to_string(:partial => 'vote_sidebar')
  56         if @election.embeddable? and params[:embed] == "true"
  57           #look for custom theme, and assign to instance variabels for widget use
  58           if @election.embed_custom_string
  59             @top_bar = SkinPicture.find(:first,
  60             :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
  61             @default_image = SkinPicture.find(:first,
  62             :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
  63             @bg1 = SkinPicture.find(:first,
  64             :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
  65             @bg2 = SkinPicture.find(:first,
  66             :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
  67             @bottom_bar = SkinPicture.find(:first,
  68             :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
  69           end
  70           render :template => 'embed/full_vote', :layout => 'embed'
  71         else
  72           render :action => 'full_vote'
  73         end
  74       end
  75     end
  76   end
  77
  78   def login
  79     if params[:vote] and params[:vote][:password]
  80       redirect_to votepassword_url( :action => 'index', :urlpassword => params[:vote][:password])
  81     else
  82       redirect_to :action => 'index'
  83     end
  84   end
  85
  86   def review
  87     @voter.vote.time = Time.now
  88     @voter.vote.save
  89     @voter.reload
  90   end
  91
  92   def confirm
  93     @voter.vote.confirm!
  94
  95     if @voter.election.embeddable? and params[:embed] == "true" \
  96       and @voter.election.early_results?
  97       redirect_to :action => :results, :id => @password, :embed => 'true'
  98     elsif not(@voter.election.verifiable) \
  99       and @voter.election.kiosk and params[:kiosk] == "true"
 100       redirect_to :action => "kiosk_ready", :id => @password, :kiosk => true
 101     else
 102       render :action => 'thanks'
 103     end
 104   end
 105
 106   def reminder
 107     if params[:email]
 108       voter_array= FullVoter.find(:all, :conditions => ["email = ?", params[:email]])
 109       voter_array.delete_if {|voter| voter.election.active == 0}
 110       unless voter_array.empty?
 111         VoterNotify.deliver_reminder(voter_array)
 112       end
 113       render :action => 'reminder_sent'
 114     end
 115   end
 116
 117   def results
 118     if @voter.election.early_results? \
 119        or @voter.election.enddate < Time.now
 120
 121       @election = @voter.election
 122       @sidebar_content = render_to_string(:partial => 'full_results_sidebar')
 123
 124       #look for custom theme, and assign to instance variabels for widget use
 125       if @election.embed_custom_string
 126         @top_bar = SkinPicture.find(:first,
 127         :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
 128         @default_image = SkinPicture.find(:first,
 129         :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
 130         @bg1 = SkinPicture.find(:first,
 131         :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
 132         @bg2 = SkinPicture.find(:first,
 133         :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
 134         @bottom_bar = SkinPicture.find(:first,
 135         :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
 136       end
 137       if @election.embeddable? and params[:embed] == "true"
 138         render :template => 'embed/results', :layout => 'embed'
 139       else
 140         render :template => 'common/results'
 141       end
 142     else
 143       redirect_to :action => 'index'
 144     end
 145   end
 146
 147   def pref_tables
 148     @election = @voter.election
 149     render :template => 'common/pref_tables_wrapper', :layout => 'basic'
 150   end
 151
 152   def details
 153     @election = @voter.election
 154     render :template => 'common/details'
 155   end
 156
 157   def kiosk_ready
 158     reset_session
 159
 160     if not authenticate
 161       redirect_to :action => 'index'
 162     end
 163   end
 164
 165   private
 166   def authenticate
 167     password = params[:id]
 168     if password == "open"
 169       election = Election.find(params[:format])
 170
 171       # if it's not actually open, lets redirect
 172       if election.authenticated
 173         redirect_to :action => 'index'
 174
 175       # otherwise, lets see if they've before
 176       else
 177         @voter = OpenVoter.find(:all,
 178           :conditions => ["session_id = ? and election_id = ?",
 179                           session.session_id, election.id])[0]
 180
 181         # when (a) there is no voter or (b) when there is a voter but
 182         # it's kiosk mode on the right page, rewrite witha  blank voter
 183         if not(@voter) \
 184           or (params[:action] == 'kiosk_ready' and election.kiosk)
 185           @voter = OpenVoter.new unless @voter
 186         end
 187
 188         # now that we have a voter (one way or another), set things
 189         # right
 190         @voter.election = election
 191         @voter.session_id = session.session_id
 192         @password = "open." + election.id.to_s
 193       end
 194
 195     else
 196       @voter = FullVoter.find(:all,
 197         :conditions => [ "password = ?", password ] )[0]
 198
 199       if @voter
 200         @password = @voter.password
 201       else
 202         redirect_to :Action => 'index'
 203       end
 204     end
 205   end
 206 end
 207