function rooms_booking_edit_form_validate in Rooms - Drupal Booking for Hotels, B&Bs and Vacation Rentals 7

Form API validate callback for the booking form.

1 string reference to 'rooms_booking_edit_form_validate'

rooms_booking_edit_form in modules/rooms_booking/rooms_booking.admin.inc

Form callback: create or edit a booking.

File

modules/rooms_booking/rooms_booking.admin.inc, line 1119

Rooms editing UI.

Code

function rooms_booking_edit_form_validate(&$form, &$form_state) {
  $booking = $form_state['rooms_booking'];
  list($start_date, $end_date) = rooms_form_input_get_start_end_dates($form_state);
  if ($start_date && $end_date) {

    // Convert input format to the same used in the stored dates.
    $input_start_date = $start_date
      ->format('Y-m-d');
    $input_end_date = $end_date
      ->format('Y-m-d');

    // If stored dates differ from input dates check that price was re-assigned.
    if (isset($booking->start_date) && isset($booking->end_date)) {
      if ($input_start_date != $booking->start_date || $input_end_date != $booking->end_date) {
        if (!isset($form_state['values']['unit_id']) || !is_numeric($form_state['values']['unit_id'])) {
          form_set_error('availability_fieldset', t('A unit must be re-assigned for this booking.'));
        }
      }
    }
  }

  // Check if unit assigned.
  if (!isset($form_state['values']['unit_id']) || $form_state['values']['unit_id'] == '') {
    form_set_error('availability_fieldset', t('A unit has not been assigned for this booking.'));
  }
  elseif (isset($form_state['values']['unit_id']) && $form_state['values']['unit_id'] == '') {
    form_set_error('availability_fieldset', t('A unit has not been assigned for this booking.'));
  }
  if (isset($booking->unit_id)) {
    $new_unit_id = $booking->unit_id;
    if (isset($form_state['values']['unit_id'])) {
      $new_unit_id = $form_state['values']['unit_id'];
    }
    if ($new_unit_id == $booking->unit_id) {

      // We are going to be updating the event. So the removing the old event.
      if ($booking->unit_id != 0 && $start_date && $end_date) {

        // Create a calendar.
        $uc = new UnitCalendar($booking->unit_id);
        $adjusted_end_date = clone $end_date;
        $adjusted_end_date
          ->modify('-1 day');

        // Create an event representing the event to remove.
        $event_id = rooms_availability_assign_id($booking->booking_id, $booking->booking_status);
        $be = new BookingEvent($booking->unit_id, $event_id, $start_date, $end_date);

        // Check if a locked event is blocking the update.
        $states_confirmed = $uc
          ->getStates($start_date, $adjusted_end_date);
        $valid_states = array_keys(array_filter(variable_get('rooms_valid_availability_states', drupal_map_assoc(array(
          ROOMS_AVAILABLE,
          ROOMS_ON_REQUEST,
        )))));
        $valid_states = array_merge($valid_states, array(
          ROOMS_UNCONFIRMED_BOOKINGS,
          $be->id,
        ));
        $state_diff_confirmed = array_diff($states_confirmed, $valid_states);
        if (count($state_diff_confirmed) > 0) {
          $date1 = new DateTime($form['rooms_date_range']['rooms_start_date']['#default_value']);
          $date2 = new DateTime($form['rooms_date_range']['rooms_end_date']['#default_value']);
          $form['rooms_date_range']['rooms_start_date']['date']['#value'] = $date1
            ->format($form['rooms_date_range']['rooms_start_date']['#date_format']);
          $form['rooms_date_range']['rooms_end_date']['date']['#value'] = $date2
            ->format($form['rooms_date_range']['rooms_end_date']['#date_format']);
          form_set_error('date_range', t('Could not update calendar because a locked event is blocking the update - you need to unlock any locked events in that period.'));
        }

        // Check if this booking overlap with an unconfirmed booking.
        $states_unconfirmed = $uc
          ->getStates($start_date, $adjusted_end_date, TRUE);
        $valid_states = array_keys(array_filter(variable_get('rooms_valid_availability_states', drupal_map_assoc(array(
          ROOMS_AVAILABLE,
          ROOMS_ON_REQUEST,
        )))));
        $valid_states = array_merge($valid_states, array(
          $be->id,
        ));
        $state_diff_unconfirmed = array_diff($states_unconfirmed, $valid_states);
        if (count($state_diff_unconfirmed) > 0) {
          $booking_id = rooms_availability_return_id(array_pop($state_diff_unconfirmed));
          form_set_error('date_range', t('Change of dates leads to an overlap with an unconfirmed booking, please resolve issue with booking !booking_link first.', array(
            '!booking_link' => l($booking_id, 'admin/rooms/bookings/booking/' . $booking_id . '/edit'),
          )));
        }
      }
    }
  }

  // For new bookings check if the owner has an outstanding order, don't run on
  // AJAX requests due this could cause message duplication.
  if (!isset($booking->customer_id) && strpos(request_uri(), 'system/ajax') === FALSE) {
    $customer_name = $form_state['input']['client'];
    $commerce_customer_id = rooms_booking_find_customer_by_name($customer_name);

    // The statuses that are considered a complete order we could use
    // commerce_payment_order_balance($order); but that adds the dependency
    // of commerce_payment module and all the orders must have a transaction
    // history to have a reliable balance.
    $complete_statuses = array(
      'complete',
      'rooms_unit_confirmed',
    );

    // Determine the commerce order statuses that identify an outstanding order.
    $incomplete_statuses = array_diff(array_keys(commerce_order_statuses()), $complete_statuses);
    $orders = commerce_order_load_multiple(array(), array(
      'uid' => $commerce_customer_id,
      'status' => $incomplete_statuses,
    ));
    $query = new EntityFieldQuery();
    $orders = $query
      ->entityCondition('entity_type', 'commerce_order')
      ->fieldCondition('commerce_customer_billing', 'profile_id', $commerce_customer_id)
      ->execute();

    // In case of pending orders alert the admin.
    if ($orders) {
      foreach ($orders['commerce_order'] as $order) {
        $order_links[] = l(t('Order #@num', array(
          '@num' => $order->order_id,
        )), "admin/commerce/orders/{$order->order_id}/edit");
      }
      $message_params = array(
        '!customer_name' => check_plain($customer_name),
        '!order_links' => theme('item_list', array(
          'items' => $order_links,
        )),
      );
      drupal_set_message(t('The customer !customer_name has an outstanding order: !order_links', $message_params), 'warning');
    }
  }
  $client = explode(':', $form_state['values']['client']);
  $client_name = $client[0];
  $commerce_customer_id = rooms_booking_find_customer_by_name($client_name);
  if ($commerce_customer_id === FALSE) {
    form_set_error('client', t('Enter a valid customer.'));
  }

  // Notify field widgets to validate their data.
  entity_form_field_validate('rooms_booking', $form, $form_state);
}