ucberkeley/moocchat

module QuestionHelper
   def sanitize_str(elm)
      elm.gsub(/ (?= )/, ' ').html_safe    
   end
   def arr_sanitize(elm)
           elm.each do |val|
               val.gsub(/ (?= )/, ' ').html_safe
           end
           elm
   end
   def array_for(things)
        things.to_a.map { |id| Question.find_by_id(id) }.compact
    end
end