+ export single user

app/controllers/rooms_controller.rb

@@ -77,8 +77,9 @@ class RoomsController < ApplicationController
   # GET /rooms/1/voters.csv
   def voters
     require 'csv'
+    attendees = params[:user].present? ? User.where(room_id: @room.id, id: params[:user].to_i) : User.where(room_id: @room.id)
     csv_data = CSV.generate do |csv|
-      User.where(room_id: @room.id).each do |attendee|
+      attendees.each do |attendee|
         if not attendee.proxy
           if attendee.vote and voter = attendee
             csv << ["password", voter.id, voter.email, voter.name]

app/views/users/index.html.erb

@@ -35,6 +35,7 @@
         <!--<td><%= link_to 'Show', user_path(user) %></td>-->
         <td><%= link_to 'Edit', edit_user_path(user) %></td>
         <td><%= link_to 'Destroy', user_path(user), method: :delete, data: { confirm: 'Are you sure you wish to destroy this user?' } %></td>
+        <td><%= link_to 'Export', room_export_voters_path(@room, user: user.id) %></td>
         <td><%= link_to 'Send test invite', test_invite_user_path(params[:room_id], user), method: :post %></td>
       </tr>
     <% end %>