{% if type == "substitution" %} {{ el.lesson_period.period.period }}. {% elif type == "extra_lesson" %} {{ el.period.period }}. {% elif type == "event" %} {% if el.period_from_on_day == el.period_to_on_day %} {{ el.period_from_on_day }}. {% else %} {{ el.period_from_on_day }}.–{{ el.period_to_on_day }}. {% endif %} {% elif type == "supervision_substitution" %} {% with break=el.supervision.break_item %} {{ break.after_period_number }}./{{ break.before_period_number }}. {% endwith %} {% endif %}