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, :sort_candidates]
  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
  58           # for widget use
  59           if @election.embed_custom_string
  60             @top_bar = SkinPicture.find(:first,
  61               :conditions => ["filename = ?",
  62                 @election.embed_custom_string + "top_bar.png"])
  63             @default_image = SkinPicture.find(:first,
  64               :conditions => ["filename = ?",
  65                 @election.embed_custom_string + "default_image.png"])
  66             @bg1 = SkinPicture.find(:first,
  67               :conditions => ["filename = ?",
  68                 @election.embed_custom_string + "bg1.png"])
  69             @bg2 = SkinPicture.find(:first,
  70               :conditions => ["filename = ?",
  71                 @election.embed_custom_string + "bg2.png"])
  72             @bottom_bar = SkinPicture.find(:first,
  73               :conditions => ["filename = ?",
  74                 @election.embed_custom_string + "bottom_bar.png"])
  75           end
  76           render :template => 'embed/full_vote', :layout => 'embed'
  77         else
  78           render :action => 'full_vote'
  79         end
  80       end
  81     end
  82   end
  83
  84   def login
  85     if params[:vote] and params[:vote][:password]
  86       redirect_to votepassword_url(:action => 'index',
  87         :urlpassword => params[:vote][:password])
  88     else
  89       redirect_to :action => 'index'
  90     end
  91   end
  92
  93   def review
  94     @voter.vote.time = Time.now
  95     @voter.vote.save
  96     @voter.reload
  97   end
  98
  99   def confirm
 100     if @voter.vote.confirm!
 101       if @voter.election.embeddable? and params[:embed] == "true" \
 102         and @voter.election.early_results?
 103         redirect_to :action => :results, :id => @password, :embed => 'true'
 104       elsif not(@voter.election.verifiable) \
 105         and @voter.election.kiosk and params[:kiosk] == "true"
 106         redirect_to :action => "kiosk_ready", :id => @password, :kiosk => true
 107       else
 108         render :action => 'thanks'
 109       end
 110     else
 111       redirect_to :action => 'index'
 112     end
 113   end
 114
 115   def reminder
 116     if params[:email]
 117       voter_array= FullVoter.find(:all,
 118         :conditions => ["email = ?", params[:email]])
 119       voter_array.delete_if {|voter| voter.election.active == 0}
 120       unless voter_array.empty?
 121         VoterNotify.deliver_reminder(voter_array)
 122       end
 123       render :action => 'reminder_sent'
 124     end
 125   end
 126
 127   def results
 128     if authenticate and
 129       (@voter.election.early_results? \
 130        or @voter.election.enddate < Time.now)
 131
 132       @election = @voter.election
 133       @sidebar_content = \
 134         render_to_string(:partial => 'full_results_sidebar')
 135
 136       # look for custom theme, and assign to instance variabels for
 137       # widget use
 138       if @election.embed_custom_string
 139         @top_bar = SkinPicture.find(:first,
 140           :conditions => ["filename = ?",
 141             @election.embed_custom_string + "top_bar.png"])
 142         @default_image = SkinPicture.find(:first,
 143           :conditions => ["filename = ?",
 144             @election.embed_custom_string + "default_image.png"])
 145         @bg1 = SkinPicture.find(:first,
 146           :conditions => ["filename = ?",
 147             @election.embed_custom_string + "bg1.png"])
 148         @bg2 = SkinPicture.find(:first,
 149           :conditions => ["filename = ?",
 150             @election.embed_custom_string + "bg2.png"])
 151         @bottom_bar = SkinPicture.find(:first,
 152           :conditions => ["filename = ?",
 153             @election.embed_custom_string + "bottom_bar.png"])
 154       end
 155       if @election.embeddable? and params[:embed] == "true"
 156         render :template => 'embed/results', :layout => 'embed'
 157       else
 158         render :template => 'common/results'
 159       end
 160     else
 161       redirect_to :action => 'index'
 162     end
 163   end
 164
 165   def pref_tables
 166     @election = @voter.election
 167     render :template => 'common/pref_tables_wrapper', :layout => 'basic'
 168   end
 169
 170   def details
 171     @election = @voter.election
 172     render :template => 'common/details'
 173   end
 174
 175   def kiosk_ready
 176     reset_session
 177
 178     if not authenticate
 179       redirect_to :action => 'index'
 180     end
 181   end
 182
 183   private
 184   def authenticate
 185     password = params[:id]
 186     if password == "open"
 187       election = Election.find(params[:format])
 188
 189       # if it's not actually open, lets redirect
 190       if election.authenticated
 191         redirect_to :action => 'index'
 192
 193       # otherwise, lets see if they've before
 194       else
 195         @voter = OpenVoter.find(:all,
 196           :conditions => ["session_id = ? and election_id = ?",
 197                           session.session_id, election.id])[0]
 198
 199         # when (a) there is no voter or (b) when there is a voter but
 200         # it's kiosk mode on the right page, rewrite with a blank voter
 201         if ((not @voter) and  (election.enddate < Time.now)) \
 202           or (params[:action] == 'kiosk_ready' and election.kiosk)
 203           @voter = OpenVoter.new unless @voter
 204         end
 205
 206         # now that we have a voter (one way or another), set things
 207         # right
 208         @voter.election = election
 209         @voter.session_id = session.session_id
 210         @password = "open." + election.id.to_s
 211       end
 212
 213     else
 214       @voter = FullVoter.find(:all,
 215         :conditions => [ "password = ?", password ] )[0]
 216
 217       if @voter
 218         @password = @voter.password
 219       else
 220         redirect_to :Action => 'index'
 221       end
 222     end
 223   end
 224 end
 225