merged in from code from the other master
[selectricity-live] / app / controllers / election_controller.rb
index aaa3d9fe7f8924cddde4edd16c5e6c4178b488c4..58c5c47f1737ae300eaa31fc77152957903080fb 100644 (file)
+# Selectricity: Voting Machinery for the Masses
+# Copyright (C) 2007, 2008 Benjamin Mako Hill <mako@atdot.cc>
+# Copyright (C) 2007 Massachusetts Institute of Technology
+#
+# This program is free software. Please see the COPYING file for
+# details.
+
 class ElectionController < ApplicationController
-  model :raw_voter_list, :voter, :vote, :candidate
+  require_dependency "raw_voter_list"
+  require_dependency "voter"
+  require_dependency "vote"
+  require_dependency "candidate"
 
-  ## general methods for dealing with elections
-  ####################################################################
-  def index
-    list
-    render :action => 'list'
-  end
+  helper :sparklines
+  layout 'main'
 
-  def list
-    @election_pages, @elections = paginate :elections, :per_page => 10
-  end
+
+  before_filter :verify_owner,
+    :except => [:new, :general_information, :create_election]
+  before_filter :verify_not_active,
+    :except => [:new, :general_information, :create_election,
+                :show, :results, :details, :pref_tables]
 
   ## methods for displaying, creating,
   ## and manipulating election overview data
   ####################################################################
 
-  def show
-    @election = Election.find(params[:id])
-  end
-
   def new
-    @election = Election.new
+    redirect_to :action => 'general_information'
   end
   
-  def edit
-    @election = Election.find(params[:id])
+  def general_information
+    @sidebar_content = render_to_string :partial => 'progress',
+                                        :locals => { :page => 'overview' }
+    @election = Election.new
+    render :action => 'general_information'
   end
-
+  
   def create_election
     @election = Election.new(params[:election])
+    
+    # default options
+    @election.user = session[:user]
+    @election.anonymous = 1
+    @election.startdate = Time.now
+    @election.type = 'Election'
+    
+    holder = create_theme_hash
+    unless holder.values.all? {|v| v.has_value?("")}
+      token_generator = UniqueTokenGenerator.new( 16 )
+      @election.embed_custom_string = token_generator.token
+      add_theme(@election.embed_custom_string)
+    end
+    
     if @election.save
       flash[:notice] = 'Election was successfully created.'
-      redirect_to :action => 'new_candidates', :id => @election.id
+      redirect_to :action => 'edit_candidates', :id => @election.id
     else
-      render :action => 'new'
+      render :action => 'general_information'
     end
   end
-
-  def update
+  
+  def edit_general_information
+    @sidebar_content = render_to_string :partial => 'progress',
+                                        :locals => { :page => 'overview' }
+    @election = Election.find(params[:id])
+  end
+  
+  def update_general_information
     @election = Election.find(params[:id])
+    
+    holder = create_theme_hash
+    unless holder.values.all? {|v| v.has_value?("")}
+      unless @election.embed_custom_string
+        token_generator = UniqueTokenGenerator.new( 16 )
+        @election.embed_custom_string = token_generator.token
+      end
+      
+      add_theme(@election.embed_custom_string)
+    end
+    
     if @election.update_attributes(params[:election])
       flash[:notice] = 'Election was successfully updated.'
       redirect_to :action => 'show', :id => @election
     else
-      render :action => 'edit'
+      render :action => 'edit_general_information'
     end
   end
+  
+  #Takes care of uploading custom images 
+  #unnecessarily long, how can I compress?
+  def add_theme(prefix)
+    holder = create_theme_hash
+    unless params[:top_bar][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "top_bar.png"])
+      if previous
+        previous.destroy
+      end
+      top_bar = SkinPicture.new(params[:top_bar])
+      top_bar.filename = prefix + "top_bar." + params[:top_bar][:uploaded_data].content_type[6..-2]
+      top_bar.save
+    end
+    unless params[:default_image][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "default_image.png"])
+      if previous
+        previous.destroy
+      end
+      default_image = SkinPicture.new(params[:default_image])
+      default_image.filename = prefix + "default_image." + params[:default_image][:uploaded_data].content_type[6..-2]
+      default_image.save
+    end
+    unless params[:bg1][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "bg1.png"])
+      if previous
+        previous.destroy
+      end
+      bg1 = SkinPicture.new(params[:bg1])  
+      bg1.filename = prefix + "bg1." + params[:bg1][:uploaded_data].content_type[6..-2]
+      bg1.save
+    end
+    unless params[:bg2][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "bg2.png"])
+      if previous
+        previous.destroy
+      end
+      bg2 = SkinPicture.new(params[:bg2]) 
+      bg2.filename = prefix + "bg2." + params[:bg2][:uploaded_data].content_type[6..-2]
+      bg2.save
+    end
+    unless params[:bottom_bar][:uploaded_data].to_s.empty?
+      previous = SkinPicture.find(:first,
+      :conditions => ["filename = ?", @election.embed_custom_string + "bottom_bar.png"])
+      if previous
+        previous.destroy
+      end
+      bottom_bar = SkinPicture.new(params[:bottom_bar])
+      bottom_bar.filename = prefix + "bottom_bar." + params[:bottom_bar][:uploaded_data].content_type[6..-2]
+      bottom_bar.save
+    end
+        
+  end
+  
+  def show
+    @sidebar_content = render_to_string :partial => 'progress',
+                                        :locals => { :page => 'review' }
 
-  def destroy
-    election = Election.find(params[:id]).destroy
-    redirect_to :action => 'list'
+    @election = Election.find(params[:id])
+    if @election.class  == QuickVote
+      redirect_to(:controller => 'quickvote', :action => 'index', :ident => @election.id)
+    end
+      
+  end
+
+  def start_election
+    @election = Election.find(params[:id])
+    
+    @election.voters.each do |voter|
+      voter.vote = Vote.new
+      email_voter voter unless voter.email.nil?
+    end
+
+    @election.activate!
+    redirect_to :action => 'show', :id => @election.id
   end
 
   # methods fod display, adding, deleting, and manipulating candidate
   # information for elections
   ####################################################################
-  def new_candidates
-    @election = Election.find( params[:id] )
+  def edit_candidates
+    @sidebar_content = render_to_string :partial => 'progress',
+                                        :locals => { :page => 'candidates' }
+    @election = Election.find(params[:id] )
   end
 
   def add_candidate
-    election = Election.find( params[:id] )
-    @candidate = Candidate.new
-    @candidate.name = params[:newcandidate] 
-    @candidate.save
-    election.candidates << @candidate
-    render :partial => 'candidate_line'
+    @election = Election.find(params[:id])
+    @candidate = Candidate.new(params[:candidate])
+    @election.candidates << @candidate
+
+    if @candidate.save
+      # check to see if they've uploaded a picture
+      if params[:picture][:uploaded_data]
+        picture = Picture.new(params[:picture])
+        @candidate.picture = picture if picture.save
+      end
+
+      @candidate = Candidate.new
+      redirect_to :action => 'edit_candidates', :id => @election.id
+    else
+      render :action => 'edit_candidates', :id => @election.id
+    end
   end
   
   def delete_candidate
-    candidate = Candidate.find( params[:id] )
+    candidate = Candidate.find(params[:candidate] )
     candidate.destroy
   end
 
-  def edit_candidates
-    @election = Election.find( params[:id] )
+  def candidate_picture
+    candidate = Candidate.find(params[:candidate])
+    send_data( candidate.picture.data,
+               :filename => candidate.picture.filename,
+              :type => candidate.picture.filetype,
+              :disposition => 'inline' )
   end
 
   ## methods for displaying, adding, deleting, and manipulating voters
   ## for a particular election
   ####################################################################
   def new_voters
-    @election = Election.find( params[:id] )
-    if params.has_key?[:raw_voter_list]
-      process_incoming_voters( params[:raw_voter_list] )
-    end
-    @raw_voter_list = RawVoterList.new
-
+    redirect_to :action => 'edit_voters', :id => params[:id]
   end
   
   def edit_voters
-    @election = Election.find( params[:id] )
+    @sidebar_content = render_to_string :partial => 'progress',
+                                        :locals => { :page => 'voters' }
+
+    @election = Election.find(params[:id])
+
     if params.has_key?( :raw_voter_list )
       process_incoming_voters( params[:raw_voter_list] )
     end
-
+    @edit = true
     @raw_voter_list = RawVoterList.new
   end
   
   def delete_voter
-    voter = Voter.find( params[:id] )
+    voter = FullVoter.find(params[:voter])
     voter.destroy
   end
+
+  def toggle_authenticated
+    @election = Election.find(params[:id])
+    if params[:authenticated] == "1"
+      @election.authenticated = true
+    else
+      @election.authenticated = false
+    end
+    @election.save
+  end
   
   ## methods for computing and printing results
   ####################################################################
   def results
-    @election = Election.find( params[:id] )
-    votes = []
+    @election = Election.find(params[:id])
 
-    @election.voters.each do |voter|
-      if voter.vote and voter.vote.confirmed?
-        votes << voter.vote.rankings.sort.collect {|vote| vote.candidate_id}
-      end
+    if @election.early_results? \
+       or @election.enddate < Time.now
+      
+      # render results
+      @sidebar_content = render_to_string(:partial => 'full_results_sidebar')
+      render :template => 'common/results'
+    else
+      redirect_to :action => 'index'
     end
-    
-    @voteobj = CloneproofSSDVote.new(votes)
-    @resultobj = @voteobj.result
-    @winners = @resultobj.winners
-    
-    @candidates_by_id = {}
-    @election.candidates.each {|cand| @candidates_by_id[cand.id] = cand}
   end
   
-  def detailed_results
-   
-    self.results
-
-    @voter_list = []
-    @vote_list = []
-    @election.voters. each do |voter|
-      if voter.vote and voter.vote.confirmed?
-        @voter_list << voter.email
-       @vote_list << voter.vote
-      end
-    end
+  def pref_tables
+    @election = Election.find(params[:id])
+    render :template => 'common/pref_tables_wrapper', :layout => 'basic'
+  end
 
-    @vote_list.sort!
-    @vote_list.sort! { |a,b| a.token <=> b.token }
+  def details
+    @election = Election.find(params[:id])
+    render :template => 'common/details'
   end
 
   ## private methods
@@ -150,20 +278,16 @@ class ElectionController < ApplicationController
 
       unless incoming_voters.entries.empty?
         incoming_voters.each do |new_voter|
-
-          if incoming_voters.email == 0
-            new_voter.contacted = 1
-         elsif incoming_voters.email == 1
-           email_voter( new_voter )
-           new_voter.contacted = 1
-         else
-           new_voter.contacted = 0
-         end
-       
-          # the new voter should be in good shape. save add to the election
-         new_voter.save
-          @election.voters << new_voter
+          new_voter.email.strip! # There's a trailing \r on all but the last in
+                                 # the list!
+          if new_voter.valid?
+            # the new voter should be in good shape. save add to the election
+            @election.voters << new_voter
+                 new_voter.save
+          end
+          # TODO: Can we do some kind of AJAX error message for the voter being invalid?
         end
+        @election.save
       end
  
       # reset the next time to have a the same default value for emailing
@@ -171,7 +295,37 @@ class ElectionController < ApplicationController
       @raw_voter_list.email = incoming_voters.email
     end
 
-    def email_voter
+    def email_voter(voter=nil)
+      if voter
+        VoterNotify.deliver_votestart(voter)
+        voter.contacted=1
+        voter.save
+      end
+    end
+  
+    def create_theme_hash
+      target = Hash.new
+      params.each do |k,v|
+        target[k] = v if k=="top_bar" or k=="default_image" or k=="bg1" \
+                      or k=="bg2" or k=="bottom_bar"
+      end
+      return target
+    end
+
+    # verify that the person trying to edit the election is the owner
+    def verify_owner
+      election = Election.find(params[:id])
+      unless election.user == session[:user]
+        redirect_to :controller => 'front', :action => 'index' 
+      end
+    end
+
+    # verify that the election is not active
+    def verify_not_active
+      election = Election.find(params[:id])
+      unless election.active == 0
+        redirect_to :controller => 'front', :action => 'index' 
+      end
     end
 
 end

Benjamin Mako Hill || Want to submit a patch?