projects.mako.cc - selectricity-live/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   def index
  16     if params[:election_id]
  17       @election = Election.find(params[:election_id])
  18       unless @election.authenticated?
  19         @voter = OpenVoter.find(:all,
  20           :conditions => ["session_id = ? and election_id = ?",
  21           session.session_id, @election.id])[0]
  22
  23         unless @voter and not @voter.election.kiosk
  24           @voter = OpenVoter.new
  25         end
  26
  27         @voter.election = @election
  28         @voter.session_id = session.session_id
  29         @password = "open." + @election.id.to_s
  30       end
  31     elsif params[:urlpassword]
  32       password = params[:urlpassword]
  33
  34       if @voter = FullVoter.find(:all,
  35         :conditions => [ "password = ?", password ] )[0]
  36         @election = @voter.election
  37         @password = @voter.password
  38       end
  39     end
  40
  41     if @voter and @election
  42       # initialize things if the vote is blank
  43       if @voter.vote.nil?
  44         @voter.vote = Vote.new
  45         @voter.save
  46       end
  47
  48       @voter.vote.set_defaults! if @voter.vote.rankings.empty?
  49
  50       # if the election is now finished
  51       if @election.enddate < Time.now
  52         redirect_to :action => :results, :id => @password
  53       else
  54         @sidebar_content = render_to_string(:partial => 'vote_sidebar')
  55         if @election.embeddable? and params[:embed] == "true"
  56           #look for custom theme, and assign to instance variabels for widget use
  57           if @election.embed_custom_string
  58             @top_bar = SkinPicture.find(:first,
  59             :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
  60             @default_image = SkinPicture.find(:first,
  61             :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
  62             @bg1 = SkinPicture.find(:first,
  63             :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
  64             @bg2 = SkinPicture.find(:first,
  65             :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
  66             @bottom_bar = SkinPicture.find(:first,
  67             :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
  68           end
  69           render :template => 'embed/full_vote', :layout => 'embed'
  70         else
  71           render :action => 'full_vote'
  72         end
  73       end
  74     end
  75   end
  76
  77   def login
  78     if params[:vote] and params[:vote][:password]
  79       redirect_to votepassword_url( :action => 'index', :urlpassword => params[:vote][:password])
  80     else
  81       redirect_to :action => 'index'
  82     end
  83   end
  84
  85   def pref_tables
  86     if authenticate
  87       @election = @voter.election
  88       @results = @election.results
  89       @candidates = {}
  90       @election.candidates.each {|c| @candidates[c.id] = c}
  91       @names = @election.names_by_id
  92       render :template => 'common/pref_tables', :layout => 'basic'
  93     else
  94       redirect_to :action => 'index'
  95     end
  96   end
  97
  98   def details
  99     if authenticate
 100       @election = @voter.election
 101       @votes = @election.votes.select {|v| v.confirmed? }.shuffle
 102       @voters = @votes.collect {|v| v.voter}.shuffle
 103       render :action => 'details'
 104     else
 105       redirect_to :action => 'index'
 106     end
 107   end
 108
 109   def review
 110     if authenticate
 111       @voter.vote.time = Time.now
 112       @voter.vote.save
 113       @voter.reload
 114     else
 115       redirect_to :action => 'index'
 116     end
 117   end
 118
 119   def confirm
 120     if authenticate
 121       @voter.vote.confirm!
 122
 123       if @voter.election.embeddable? and params[:embed] == "true" \
 124         and @voter.election.early_results?
 125         redirect_to :action => :results, :id => @password, :embed => 'true'
 126       elsif @voter.election.kiosk and params[:kiosk] = "true"
 127         redirect_to :action => "kiosk_ready", :id => @password, :kiosk => true
 128       else
 129         render :action => 'thanks'
 130       end
 131     else
 132       redirect_to :action => 'index'
 133     end
 134   end
 135
 136   def reminder
 137     if params[:email]
 138       voter_array= FullVoter.find(:all, :conditions => ["email = ?", params[:email]])
 139       voter_array.delete_if {|voter| voter.election.active == 0}
 140       unless voter_array.empty?
 141         VoterNotify.deliver_reminder(voter_array)
 142       end
 143       render :action => 'reminder_sent'
 144     end
 145   end
 146
 147   def results
 148     if authenticate and
 149       (@voter.election.early_results? \
 150        or @voter.election.enddate < Time.now)
 151
 152       @election = @voter.election
 153       # compute and display results
 154
 155       @results = @election.results
 156       @candidates = {}
 157       @election.candidates.each {|c| @candidates[c.id] = c}
 158       @names = @election.names_by_id
 159
 160       @sidebar_content = render_to_string(:partial => 'results_sidebar')
 161       #look for custom theme, and assign to instance variabels for widget use
 162       if @election.embed_custom_string
 163         @top_bar = SkinPicture.find(:first,
 164         :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
 165         @default_image = SkinPicture.find(:first,
 166         :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
 167         @bg1 = SkinPicture.find(:first,
 168         :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
 169         @bg2 = SkinPicture.find(:first,
 170         :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
 171         @bottom_bar = SkinPicture.find(:first,
 172         :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
 173       end
 174       if @election.embeddable? and params[:embed] == "true"
 175         render :template => 'embed/results', :layout => 'embed'
 176       else
 177         render :action => 'results'
 178       end
 179     else
 180       redirect_to :action => 'index'
 181     end
 182   end
 183
 184   def kiosk_ready
 185     if not authenticate
 186       redirect_to :action => 'index', :kiosk => true
 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 = OpenVoter.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