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