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   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         @voter = OpenVoter.new unless @voter
  24
  25         @voter.election = @election
  26         @voter.session_id = session.session_id
  27         @password = "open." + @election.id.to_s
  28       end
  29     elsif params[:urlpassword]
  30       password = params[:urlpassword]
  31
  32       if @voter = FullVoter.find(:all,
  33         :conditions => [ "password = ?", password ] )[0]
  34         @election = @voter.election
  35         @password = @voter.password
  36       end
  37     end
  38
  39     if @voter and @election
  40       # initialize things if the vote is blank
  41       if @voter.vote.nil?
  42         @voter.vote = Vote.new
  43         @voter.save
  44       end
  45
  46       @voter.vote.set_defaults! if @voter.vote.rankings.empty?
  47
  48       # if the election is now finished
  49       if @election.enddate < Time.now
  50         redirect_to :action => :results, :id => @password
  51       else
  52         @sidebar_content = render_to_string(:partial => 'vote_sidebar')
  53         if @election.embeddable? and params[:embed] == "true"
  54           #look for custom theme, and assign to instance variabels for widget use
  55           if @election.embed_custom_string
  56             @top_bar = SkinPicture.find(:first,
  57             :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
  58             @default_image = SkinPicture.find(:first,
  59             :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
  60             @bg1 = SkinPicture.find(:first,
  61             :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
  62             @bg2 = SkinPicture.find(:first,
  63             :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
  64             @bottom_bar = SkinPicture.find(:first,
  65             :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
  66           end
  67           render :template => 'embed/full_vote', :layout => 'embed'
  68         else
  69           render :action => 'full_vote'
  70         end
  71       end
  72     end
  73   end
  74
  75   def login
  76     if params[:vote] and params[:vote][:password]
  77       redirect_to votepassword_url( :action => 'index', :urlpassword => params[:vote][:password])
  78     else
  79       redirect_to :action => 'index'
  80     end
  81   end
  82
  83   def pref_tables
  84     if authenticate
  85       @election = @voter.election
  86       @results = @election.results
  87       @candidates = {}
  88       @election.candidates.each {|c| @candidates[c.id] = c}
  89       @names = @election.names_by_id
  90       render :template => 'common/pref_tables', :layout => 'basic'
  91     else
  92       redirect_to :action => 'index'
  93     end
  94   end
  95
  96   def details
  97     if authenticate
  98       @election = @voter.election
  99       @votes = @election.votes.select {|v| v.confirmed? }.shuffle
 100       @voters = @votes.collect {|v| v.voter}.shuffle
 101       render :action => 'details'
 102     else
 103       redirect_to :action => 'index'
 104     end
 105   end
 106
 107   def review
 108     if authenticate
 109       @voter.vote.time = Time.now
 110       @voter.vote.save
 111       @voter.reload
 112     else
 113       redirect_to :action => 'index'
 114     end
 115   end
 116
 117   def confirm
 118     if authenticate
 119       @voter.vote.confirm!
 120
 121       if @voter.election.embeddable? and params[:embed] == "true" \
 122         and @voter.election.early_results?
 123         redirect_to :action => :results, :id => @password, :embed => 'true'
 124       elsif @voter.election.kiosk and params[:kiosk] = "true"
 125         redirect_to :action => "kiosk_ready", :id => @password, :kiosk => true
 126       else
 127         render :action => 'thanks'
 128       end
 129     else
 130       redirect_to :action => 'index'
 131     end
 132   end
 133
 134   def reminder
 135     if params[:email]
 136       voter_array= FullVoter.find(:all, :conditions => ["email = ?", params[:email]])
 137       voter_array.delete_if {|voter| voter.election.active == 0}
 138       unless voter_array.empty?
 139         VoterNotify.deliver_reminder(voter_array)
 140       end
 141       render :action => 'reminder_sent'
 142     end
 143   end
 144
 145   def results
 146     if authenticate and
 147       (@voter.election.early_results? \
 148        or @voter.election.enddate < Time.now)
 149
 150       @election = @voter.election
 151       # compute and display results
 152
 153       @results = @election.results
 154       @candidates = {}
 155       @election.candidates.each {|c| @candidates[c.id] = c}
 156       @names = @election.names_by_id
 157
 158       @sidebar_content = render_to_string(:partial => 'results_sidebar')
 159       #look for custom theme, and assign to instance variabels for widget use
 160       if @election.embed_custom_string
 161         @top_bar = SkinPicture.find(:first,
 162         :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
 163         @default_image = SkinPicture.find(:first,
 164         :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
 165         @bg1 = SkinPicture.find(:first,
 166         :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
 167         @bg2 = SkinPicture.find(:first,
 168         :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
 169         @bottom_bar = SkinPicture.find(:first,
 170         :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
 171       end
 172       if @election.embeddable? and params[:embed] == "true"
 173         render :template => 'embed/results', :layout => 'embed'
 174       else
 175         render :action => 'results'
 176       end
 177     else
 178       redirect_to :action => 'index'
 179     end
 180   end
 181
 182   def kiosk_ready
 183     reset_session
 184
 185     if not authenticate
 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
 196       # check to see if the person has voted before
 197       unless election.authenticated?
 198         @voter = OpenVoter.find(:all,
 199           :conditions => ["session_id = ? and election_id = ?",
 200                           session.session_id, election.id])[0]
 201         @password = "open." + election.id.to_s
 202       end
 203
 204       # if it's ready for kiosk_mode, then we create and authenticate
 205       unless @voter and params[:action] == 'kiosk_ready' \
 206         and election.kiosk
 207
 208         # this is maybe not quite as a dry as it should be
 209         @voter = OpenVoter.new unless @voter
 210
 211         @voter.election = election
 212         @voter.session_id = session.session_id
 213         @password = "open." + election.id.to_s
 214       end
 215
 216     else
 217       @voter = FullVoter.find(:all,
 218         :conditions => [ "password = ?", password ] )[0]
 219       @password = @voter.password
 220     end
 221     @voter
 222   end
 223 end
 224