pushing event validation to a rule action to see if it makes more sense than multiple validation paths

roblib_bee_limits.module

@@ -18,7 +18,8 @@ use Drupal\node\Entity\Node;
  * @param $form_id
  */
 function roblib_bee_limits_form_bee_add_reservation_form_alter(&$form, FormStateInterface $form_state, $form_id){
-  $form['#validate'][] = 'roblib_bee_limits_validate_reservation';
+  // TESTING validation in rules, we should be able to validate both webform and normal forms in rules.
+  //$form['#validate'][] = 'roblib_bee_limits_validate_reservation';
 }
 
 /**

src/Plugin/RulesAction/BatEventValidation.php

@@ -0,0 +1,117 @@
+<?php
+
+
+/**
+ * @file
+ * Contains \Drupal\custom_pub\Plugin\RulesAction\SetCustomPublishingOption.
+ */
+
+namespace Drupal\roblib_bee_limits\Plugin\RulesAction;
+
+use Drupal\rules\Core\RulesActionBase;
+use Drupal\Core\Entity\EntityInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+
+/**
+ * Provides an action to trigger a custom publishing option.
+ *
+ * @RulesAction(
+ *   id = "rules_roblib_bee_limits_validate",
+ *   label = @Translation("Additional validation on BAT Events"),
+ *   category = @Translation("Event"),
+ *   context = {
+ *    "entity" = @ContextDefinition("entity:bat_event",
+ *       label = @Translation("Event"),
+ *       description = @Translation("Specifies the event, which should be validated.")
+ *     )
+ *   }
+ * )
+ */
+class BatEventValidation extends RulesActionBase {
+
+  /**
+   * Sets the custom publishing option on a given entity.
+   *
+   * @param \Drupal\Core\Entity\EntityInterface $event
+   *   The entity to be saved.
+   */
+  protected function doExecute(EntityInterface $event) {
+    $user = \Drupal\user\Entity\User::load(\Drupal::currentUser()->id());
+    $event_type = bat_event_type_load($event->bundle());
+    // we only want to limit hourly reservations
+    if($event_type->id() != 'availability_hourly') {
+      return;
+    }
+    $this->checkReservations($user);
+    $start_date = $event->getStartDate();
+    $end_date = $event->getEndDate();
+    $start_timestamp = new \DateTime($start_date->format('Y-m-d H:i'));
+    $end_timestamp = new \DateTime($end_date->format('Y-m-d H:i'));
+    $minutes_diff = abs($end_timestamp->getTimestamp() - $start_timestamp->getTimestamp()) / 60;
+    $max_time = $this->getMaxTime($user);
+    if($minutes_diff > $max_time) {
+      drupal_set_message(t('Rule hit Reservation exceeded your max
+    booking time of @max_time minutes.', array('@max_time' => $max_time)), 'error');
+
+      $response = new RedirectResponse(\Drupal::request()->getRequestUri());
+      $response->send();
+      exit;
+    }
+  }
+
+  function getMaxTime($user){
+    $roles = $user->getRoles();
+    $config = \Drupal::config('roblib_bee_limits.settings');
+    $max_time = 0;
+    foreach($roles as $role){
+      $tmp = $config->get($role . '_max_booking_duration');
+      $tmp = empty($tmp) ? 0 : $tmp;
+      $max_time = $max_time > $tmp ? $max_time : $tmp;
+    }
+    return $max_time;
+  }
+
+  function getMaxBookingsAllowed($user) {
+    $roles = $user->getRoles();
+    $config = \Drupal::config('roblib_bee_limits.settings');
+    $max_active_bookings = 0;
+    foreach($roles as $role){
+      $tmp = $config->get($role . '_active_bookings_allowed');
+      $tmp = empty($tmp) ? 0 : $tmp;
+      $max_active_bookings = $max_active_bookings > $tmp ? $max_active_bookings : $tmp;
+    }
+    //$is_admin = array_search('administrator', $roles);
+    return $max_active_bookings;
+  }
+
+
+  function checkReservations($user) {
+    $uid = $user->id();
+    $results = \Drupal::entityQuery('bat_event')
+      ->condition('uid', $uid, '=')
+      ->condition('type', 'availability_hourly', '=')
+      ->execute();
+
+    $active_bookings = 0;
+    $now = new \DateTime("now");
+    foreach($results as $result){
+      $event = bat_event_load($result);
+      if($event->getEndDate() > $now){
+        $active_bookings++;
+      }
+      $event = NULL;
+    }
+    $max_bookings_allowed = $this->getMaxBookingsAllowed($user);
+    if($max_bookings_allowed != -1 && $active_bookings >= $max_bookings_allowed){
+      drupal_set_message(t('Rule Hit Reservation exceeded your maximum number
+    of active bookings allowed.  You currently have @active_bookings active reservations,
+    You are allowed @max_bookings .', array('@active_bookings' => $active_bookings,
+        '@max_bookings' => $max_bookings_allowed)),'error');
+
+      $response = new RedirectResponse(\Drupal::request()->getRequestUri());
+      $response->send();
+      exit;
+    }
+  }
+
+}