# File app/controllers/votes_controller.rb, line 50
 50:   def add
 51:     prompt_id = params[:prompt_id].to_i
 52:     item_ids = (params[:item_id] && params[:item_id].split(',').map(&:to_i).reject(&:zero?)) || []
 53:     skip = (params[:skip] == '1' || item_ids.empty?)
 54:     voter_id = params[:voter_id].to_i
 55:     # can only vote on your questions' prompts, requires voter
 56:     raise ArgumentError unless prompt_id > 0 && current_user.prompts.exists?(prompt_id) && voter_id
 57:     # if non-anonymous voter user must own voter
 58:     raise PermissionError if voter_id > 0 && Voter.find(voter_id).user_id != current_user.id
 59:     prompt = Prompt.find(prompt_id)
 60:     prompt.update_attribute(:active, false) if prompt.active
 61:     question_id = prompt.question_id
 62:     all_items = prompt.items
 63:     items = []
 64:     old_elos = all_items.inject({}) do |hash, item|
 65:       hash[item.id] = item.iq(question_id).position
 66:       hash
 67:     end
 68:     @adj = true
 69:     attributes = { :prompt_id => prompt_id, :voter_id => voter_id }
 70:     attributes[:tracking] = params[:tracking] unless params[:tracking].nil?
 71:     attributes[:response_time] = params[:response_time].to_i if params[:response_time].to_i > 0
 72:     @vote = Vote.new(attributes)
 73:     raise ArgumentError unless @vote.valid?
 74:     if skip == true
 75:       all_items.each do |item|
 76:         iq = item.iq(question_id)
 77:         iq.increment!(:ratings)
 78:         (all_items - [item]).each do |other|
 79:           iq.increment!(:position, adjust_elo(DRAW_SCORE, iq.position, old_elos[other.id]))
 80:         end
 81:       end
 82:     else
 83:       items = Item.find(item_ids)
 84:       # vote invalid if any items not in prompt
 85:       raise ArgumentError unless (items - all_items).empty?
 86:       items.each do |item|
 87:         iq = item.iq(question_id)
 88:         iq.update_attributes({ :ratings => iq.ratings + 1, :wins => iq.wins + 1 })
 89:         (all_items - items).each do |loser|
 90:           iq.increment!(:position, adjust_elo(WIN_SCORE, old_elos[item.id], old_elos[loser.id]))
 91:           loser.iq(question_id).increment!(:position, adjust_elo(LOSS_SCORE, old_elos[loser.id], old_elos[item.id]))
 92:         end
 93:       end
 94:       (all_items - items).each do |item|
 95:         iq = item.iq(question_id)
 96:         iq.update_attributes({ :ratings => iq.ratings + 1, :losses => iq.losses + 1 })
 97:       end
 98:     end
 99:     Stat.vote(question_id, all_items, items)
100:     @vote.save!
101:     @vote.items << items if defined?(items) && items
102:   end

    # File app/controllers/votes_controller.rb, line 14
14:   def list
15:     conditions = { 'questions.user_id' => current_user.id }
16:     conditions.merge!('questions.id' => params[:question_id]) if params[:question_id].to_i > 0
17:     item_id = params[:item_id].to_i
18:     conditions.merge!('items_prompts.item_id' => item_id) if item_id > 0
19:     options = {
20:       :include => [{:prompt => [:items, :question]}],
21:       :conditions => conditions,
22:       :order => 'votes.id'
23:     }
24:     options[:limit] = params[:limit] if params[:limit].to_i > 0
25:     @votes = Vote.all(options)
26:     if item_id > 0
27:       options[:conditions].delete('items_prompts.item_id')
28:       options[:conditions].merge!('items.id' => item_id)
29:       options[:joins] = "INNER JOIN items_prompts ON (items_prompts.prompt_id=prompts.id AND items_prompts.item_id=#{item_id})"
30:       options[:include] = [:items, {:prompt => :question}]
31:       @votes_items = Vote.all(options)
32:     end
33:   end