foodsoft/app/helpers/tasks_helper.rb

module TasksHelper

  def task_assignments(task)
    task.assignments.map do |ass|
      content_tag :span, ass.user.nick, :class => (ass.accepted? ? 'accepted' : 'unaccepted')
    end.join(", ").html_safe
  end

  # generate colored number of still required users
  def highlighted_required_users(task)
    unless task.enough_users_assigned?
      still_required = task.required_users - task.assignments.select { |ass| ass.accepted }.size
      "<small style='color:red;font-weight:bold'>(#{still_required})</small>".html_safe
    end
  end
end