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       else
 125         render :action => 'thanks'
 126       end
 127     else
 128       redirect_to :action => 'index'
 129     end
 130   end
 131
 132   def reminder
 133     if params[:email]
 134       voter_array= FullVoter.find(:all, :conditions => ["email = ?", params[:email]])
 135       voter_array.delete_if {|voter| voter.election.active == 0}
 136       unless voter_array.empty?
 137         VoterNotify.deliver_reminder(voter_array)
 138       end
 139       render :action => 'reminder_sent'
 140     end
 141   end
 142
 143   def results
 144     if authenticate and
 145       (@voter.election.early_results? \
 146        or @voter.election.enddate < Time.now)
 147
 148       @election = @voter.election
 149       # compute and display results
 150
 151       @results = @election.results
 152       @candidates = {}
 153       @election.candidates.each {|c| @candidates[c.id] = c}
 154       @names = @election.names_by_id
 155
 156       @sidebar_content = render_to_string(:partial => 'results_sidebar')
 157       #look for custom theme, and assign to instance variabels for widget use
 158       if @election.embed_custom_string
 159         @top_bar = SkinPicture.find(:first,
 160         :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
 161         @default_image = SkinPicture.find(:first,
 162         :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
 163         @bg1 = SkinPicture.find(:first,
 164         :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
 165         @bg2 = SkinPicture.find(:first,
 166         :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
 167         @bottom_bar = SkinPicture.find(:first,
 168         :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
 169       end
 170       if @election.embeddable? and params[:embed] == "true"
 171         render :template => 'embed/results', :layout => 'embed'
 172       else
 173         render :action => 'results'
 174       end
 175     else
 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       unless election.authenticated?
 186         @voter = OpenVoter.find(:all,
 187           :conditions => ["session_id = ? and election_id = ?",
 188                           session.session_id, election.id])[0]
 189         @password = "open." + election.id.to_s
 190       end
 191     else
 192       @voter = FullVoter.find(:all,
 193         :conditions => [ "password = ?", password ] )[0]
 194       @password = @voter.password
 195     end
 196     @voter
 197   end
 198 end
 199