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: you can redistribute it and/or modify
   6 # it under the terms of the GNU Affero General Public License as
   7 # published by the Free Software Foundation, either version 3 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # Affero General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU Affero General Public
  16 # License along with this program.  If not, see
  17 # <http://www.gnu.org/licenses/>.
  18
  19 class VoterController < ApplicationController
  20   helper :sparklines
  21   layout 'main'
  22   require_dependency "voter"
  23   require_dependency "vote"
  24   require_dependency "election"
  25
  26   def index
  27     if params[:election_id]
  28       @election = Election.find(params[:election_id])
  29       unless @election.authenticated?
  30         @voter = Voter.find(:all,
  31           :conditions => ["session_id = ? and election_id = ?",
  32           session.session_id, @election.id])[0]
  33
  34         @voter = Voter.new unless @voter
  35
  36         @voter.election = @election
  37         @voter.session_id = session.session_id
  38         @password = "open." + @election.id.to_s
  39       end
  40     elsif params[:urlpassword]
  41       password = params[:urlpassword]
  42
  43       if @voter = FullVoter.find(:all,
  44         :conditions => [ "password = ?", password ] )[0]
  45         @election = @voter.election
  46         @password = @voter.password
  47       end
  48     end
  49
  50     if @voter and @election
  51       # initialize things if the vote is blank
  52       if @voter.vote.nil?
  53         @voter.vote = Vote.new
  54         @voter.save
  55       end
  56
  57       @voter.vote.set_defaults! if @voter.vote.rankings.empty?
  58
  59       # if the election is now finished
  60       if @election.enddate < Time.now
  61         redirect_to :action => :results, :id => @password
  62       else
  63         @sidebar_content = render_to_string(:partial => 'vote_sidebar')
  64         if @election.embeddable? and params[:embed] == "true"
  65           #look for custom theme, and assign to instance variabels for widget use
  66           if @election.embed_custom_string
  67             @top_bar = SkinPicture.find(:first,
  68             :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
  69             @default_image = SkinPicture.find(:first,
  70             :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
  71             @bg1 = SkinPicture.find(:first,
  72             :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
  73             @bg2 = SkinPicture.find(:first,
  74             :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
  75             @bottom_bar = SkinPicture.find(:first,
  76             :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
  77           end
  78           render :template => 'embed/full_vote', :layout => 'embed'
  79         else
  80           render :action => 'full_vote'
  81         end
  82       end
  83     end
  84   end
  85
  86   def login
  87     if params[:vote] and params[:vote][:password]
  88       redirect_to votepassword_url( :action => 'index', :urlpassword => params[:vote][:password])
  89     else
  90       redirect_to :action => 'index'
  91     end
  92   end
  93
  94   def pref_tables
  95     if authenticate
  96       @election = @voter.election
  97       @results = @election.results
  98       @candidates = {}
  99       @election.candidates.each {|c| @candidates[c.id] = c}
 100       @names = @election.names_by_id
 101       render :template => 'common/pref_tables', :layout => 'basic'
 102     else
 103       redirect_to :action => 'index'
 104     end
 105   end
 106
 107   def details
 108     if authenticate
 109       @election = @voter.election
 110       @votes = @election.votes.select {|v| v.confirmed? }.shuffle
 111       @voters = @votes.collect {|v| v.voter}.shuffle
 112       render :action => 'details'
 113     else
 114       redirect_to :action => 'index'
 115     end
 116   end
 117
 118   def review
 119     if authenticate
 120       @voter.vote.time = Time.now
 121       @voter.vote.save
 122       @voter.reload
 123     else
 124       redirect_to :action => 'index'
 125     end
 126   end
 127
 128   def confirm
 129     if authenticate
 130       @voter.vote.confirm!
 131
 132       if @voter.election.embeddable? and params[:embed] == "true" \
 133         and @voter.election.early_results?
 134         redirect_to :action => :results, :id => @password, :embed => 'true'
 135       else
 136         render :action => 'thanks'
 137       end
 138     else
 139       redirect_to :action => 'index'
 140     end
 141   end
 142
 143   def reminder
 144     if params[:email]
 145       voter_array= FullVoter.find(:all, :conditions => ["email = ?", params[:email]])
 146       voter_array.delete_if {|voter| voter.election.active == 0}
 147       unless voter_array.empty?
 148         VoterNotify.deliver_reminder(voter_array)
 149       end
 150       render :action => 'reminder_sent'
 151     end
 152   end
 153
 154   def results
 155     if authenticate and
 156       (@voter.election.early_results? \
 157        or @voter.election.enddate < Time.now)
 158
 159       @election = @voter.election
 160       # compute and display results
 161
 162       @results = @election.results
 163       @candidates = {}
 164       @election.candidates.each {|c| @candidates[c.id] = c}
 165       @names = @election.names_by_id
 166
 167       @sidebar_content = render_to_string(:partial => 'results_sidebar')
 168       #look for custom theme, and assign to instance variabels for widget use
 169       if @election.embed_custom_string
 170         @top_bar = SkinPicture.find(:first,
 171         :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
 172         @default_image = SkinPicture.find(:first,
 173         :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
 174         @bg1 = SkinPicture.find(:first,
 175         :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
 176         @bg2 = SkinPicture.find(:first,
 177         :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
 178         @bottom_bar = SkinPicture.find(:first,
 179         :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
 180       end
 181       if @election.embeddable? and params[:embed] == "true"
 182         render :template => 'embed/results', :layout => 'embed'
 183       else
 184         render :action => 'results'
 185       end
 186     else
 187       redirect_to :action => 'index'
 188     end
 189   end
 190
 191   private
 192   def authenticate
 193     password = params[:id]
 194     if password == "open"
 195       election = Election.find(params[:format])
 196       unless election.authenticated?
 197         @voter = Voter.find(:all,
 198           :conditions => ["session_id = ? and election_id = ?",
 199                           session.session_id, election.id])[0]
 200         @password = "open." + election.id.to_s
 201       end
 202     else
 203       @voter = FullVoter.find(:all,
 204         :conditions => [ "password = ?", password ] )[0]
 205       @password = @voter.password
 206     end
 207     @voter
 208   end
 209 end
 210