AppointmentController.js

  $scope.acceptAppointment = function(currentAppointment) {
    var newAppointment = {}

    if (userIsAppointmentrealtor() === true) {
      newAppointment.confirmed_by_realtor = true;
    } else {
      newAppointment.status = "confirmed";
    }
    newAppointment.id = currentAppointment.id;

    // Update the appointment
    AppointmentService.update(newAppointment).then(function() {
      alert('Accepted');
      refreshData();
    });
  }
  
  function userIsAppointmentRealtor(user, appointment) {
    return user.id === appointment.realtor.id;
  }