.twig

{% for appointment in appointments %}
  {% if appointment.inactive %}
    var color = '#FF0000';
  {% else %}
    var color = '#' + ({{ appointment.user.id / 25000 }} * 0xFFFFFF << 0).toString(16);
  {% endif %}
  
  events.push(
    {
      id: '{{ appointment.id }}',
      //TODO: Find way to display  - D: {{ appointment.dentist }} - H: {{ appointment.hygienist }} - C: {{ appointment.user.name }} cleanly in title
      title: '{{ appointment.type }} - {{ appointment.user.name }}',
      start: '{{ appointment.start|date('Y-m-dTH:i') }}',
      end: '{{ appointment.end|date('Y-m-dTH:i') }}',
      dentist: '{{ appointment.dentist.name }}',
      hygienist: '{{ appointment.hygienist.name }}',
      user: '{{ appointment.user.name }}',
      color: color
    }
  );
{% endfor %}