better messageing when limits exceeded

reservation.inc

@@ -8,6 +8,7 @@ use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Datetime\DrupalDateTime;
 use Drupal\Core\Link;
 use Drupal\Core\Url;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
 
 function reserve_form_reserve_reservation_form_alter(array &$form, FormStateInterface $form_state) {
   // params either passed in on url -  CREATE
@@ -18,7 +19,7 @@ function reserve_form_reserve_reservation_form_alter(array &$form, FormStateInte
   // Retrieve an array which contains the path pieces.
   $current_path = \Drupal::service('path.current')->getPath();
   $path_args = explode('/', $current_path);
-  
+
   // for case of std reservation add form - this should likely be blocked; but leave for development
   if (count($path_args) <= 3) return;
 
@@ -30,7 +31,7 @@ function reserve_form_reserve_reservation_form_alter(array &$form, FormStateInte
   };
   $user = \Drupal::currentUser();
   $user_roles = $user->getRoles();
-  //Allow users with the 'add reservation extended' to book unlimited number 
+  //Allow users with the 'add reservation extended' to book unlimited number
   //of reservations.'
   $book_extended = FALSE;
   //Allow administrators to create as many reservations as needed.
@@ -79,33 +80,15 @@ function reserve_form_reserve_reservation_form_alter(array &$form, FormStateInte
     $d = $yyyymmdd . ' 00:00:00';
 
     if (reserve_daily_max_exceeded($yyyymmdd) && !$book_extended) {
-      $form = array();
+      $daily_exceeded_message = t('You have exceeded the max number of daily bookings.  Unable to add reservation.');
-      $form['message'] = [
+      reserve_set_modal_message($form, $daily_exceeded_message);
-        '#type' => 'markup',
-        '#weight' => -25,
-        '#markup' => '
-      <div class="messages__wrapper layout-container">
-      <div role="contentinfo" aria-label="Warning message" class="messages messages--warning">' .
-        t('You have exceeded the max number of daily bookings.  Unable to add reservation.') .
-        '</div></div>',
-      ];
-      return;
     }
     $config = \Drupal::config('reserve.settings');
     $max_per_user = $config->get('reservations_per_user');
-    if (count(reserve_user_reservations()) > $max_per_user 
+    if (count(reserve_user_reservations()) > $max_per_user
       && !$book_extended) {
-      $form = array();
+      $max_reservations_exceeded_message =  t('You have exceeded your max number of open bookings.  Unable to add reservation.');
-      $form['message'] = [
+      reserve_set_modal_message($form,  $max_reservations_exceeded_message);
-        '#type' => 'markup',
-        '#weight' => -25,
-        '#markup' => '
-      <div class="messages__wrapper layout-container">
-      <div role="contentinfo" aria-label="Warning message" class="messages messages--warning">' .
-        t('You have exceeded your max number of open bookings.  Unable to add reservation.') .
-        '</div></div>',
-      ];
-      return;
     }
   }
   $entity = \Drupal::entityTypeManager()->getStorage($entity_type)->load($eid);
@@ -175,7 +158,7 @@ function reserve_form_reserve_reservation_form_alter(array &$form, FormStateInte
 
       if (isset($_GET['single'])) {
         $series_link = Link::fromTextAndUrl(t('Click here'), Url::fromUri('internal:/reserve_reservation/' . $rid . '/edit', $modal))->toString();
-        $message = t('NOTE: you are editing a SINGLE day in a SERIES of reservations. Any changes made here will impact only the reservation  
+        $message = t('NOTE: you are editing a SINGLE day in a SERIES of reservations. Any changes made here will impact only the reservation
         for this day. %link if you want to edit the entire series.', array('%link' => $series_link));
         // relabel Delete
         $form['actions']['delete']['#title'] = t('Cancel Reservation for This Day');
@@ -183,7 +166,7 @@ function reserve_form_reserve_reservation_form_alter(array &$form, FormStateInte
       else {
         $single_link = Link::fromTextAndUrl('Click here', Url::fromUri('internal:/reserve_reservation/' . $rid . '/edit',
           ['query' => ['single' => 1]] + $modal))->toString();
-        $message = t('NOTE: you are editing a SERIES of reservations. Any changes made here will impact all reservations in this 
+        $message = t('NOTE: you are editing a SERIES of reservations. Any changes made here will impact all reservations in this
         series. %link if you only want to edit this specific day in this series.', array('%link' => $single_link));
         // remove single node delete and add Delete Series button
         //unset($form['actions']['delete']);
@@ -296,6 +279,21 @@ function reserve_return_to_home_page($form, FormStateInterface $form_state) {
   $form_state->setRedirectUrl($url);
 }
 
+function reserve_set_modal_message(&$form, $message) {
+  $form['message'] = [
+    '#type' => 'markup',
+    '#weight' => -25,
+    '#markup' => '
+      <div class="messages__wrapper layout-container">
+      <div role="contentinfo" aria-label="Warning message" class="messages messages--warning">' .
+      $message .
+      '</div></div>',
+  ];
+  $form['message']['#errors'] = TRUE;
+  $form['actions']['submit']['#attributes']['disabled']  = 'disabled';
+  $form['actions']['submit']['#access'] = FALSE;
+}
+
 /**
  * Custom submit handler for login form.
  */
@@ -306,4 +304,4 @@ function reserve_return_to_reservations_page($form, FormStateInterface $form_sta
     'selected_day' => $form_state->getValue('day'),
   ];
   $form_state->setRedirect('reserve.calendar', $arguments);
-}
+}