Change reaction-rule config to save the event with settings

config/schema/rules.schema.yml

@@ -49,9 +49,21 @@ rules.reaction.*:
     label:
       type: label
       label: 'Label'
-    event:
-      type: string
-      label: 'Event'
+    events:
+      type: sequence
+      label: 'Events'
+      sequence:
+        type: mapping
+        label: 'Event'
+        mapping:
+          event_name:
+            type: string
+            label: 'Name'
+          configuration:
+            type: sequence
+            label: 'Configuration'
+            sequence:
+              type: mapping
     module:
       type: string
       label: 'Module'
@@ -184,26 +196,6 @@ rules_expression.rules_rule:
       type: rules_expression.[id]
       label: 'Actions'
 
-rules_expression.rules_reaction_rule:
-  type: rules_expression
-  label: "Reaction Rule"
-  mapping:
-    id:
-      type: string
-      label: 'Plugin ID'
-    uuid:
-      type: string
-      label: 'UUID'
-    event:
-      type: string
-      label: 'Event'
-    conditions:
-      type: rules_expression.[id]
-      label: 'Conditions'
-    actions:
-      type: rules_expression.[id]
-      label: 'Actions'
-
 rules.context.definition:
   type: mapping
   label: 'Context definition'

src/Entity/ReactionRuleConfig.php

@@ -36,7 +36,7 @@
  *   config_export = {
  *     "id",
  *     "label",
- *     "event",
+ *     "events",
  *     "module",
  *     "description",
  *     "tag",
@@ -121,11 +121,16 @@ class ReactionRuleConfig extends ConfigEntityBase {
   protected $module = 'rules';
 
   /**
-   * The event name this reaction rule is reacting on.
+   * The events this reaction rule is reacting on.
    *
-   * @var string
+   * Events array. The array is numerically indexed and contains arrays with the
+   * following structure:
+   *   - event_name: String with the event machine name.
+   *   - configuration: An array containing the event configuration.
+   *
+   * @var array
    */
-  protected $event;
+  protected $events = [];
 
   /**
    * Sets a Rules expression instance for this Reaction rule.
@@ -169,7 +174,7 @@ public function getExpression() {
    */
   public function getComponent() {
     $component = RulesComponent::create($this->getExpression());
-    $component->addContextDefinitionsForEvents([$this->getEvent()]);
+    $component->addContextDefinitionsForEvents($this->getEventNames());
     return $component;
   }
 
@@ -237,10 +242,30 @@ public function getTag() {
   }
 
   /**
-   * Returns the event on which this rule will trigger.
+   * Gets configuration of all events the rule is reacting on.
+   *
+   * @return array
+   *   The events array. The array is numerically indexed and contains arrays
+   *   with the following structure:
+   *     - event_name: String with the event machine name.
+   *     - configuration: An array containing the event configuration.
+   */
+  public function getEvents() {
+    return $this->events;
+  }
+
+  /**
+   * Gets fully qualified names of all events the rule is reacting on.
+   *
+   * @return string[]
+   *   The array of fully qualified event names of the rule.
    */
-  public function getEvent() {
-    return $this->event;
+  public function getEventNames() {
+    $names = [];
+    foreach ($this->events as $event) {
+      $names[] = $event['event_name'];
+    }
+    return $names;
   }
 
   /**

src/Entity/ReactionRuleStorage.php

@@ -83,9 +83,10 @@ public static function createInstance(ContainerInterface $container, EntityTypeI
   protected function getRegisteredEvents() {
     $events = [];
     foreach ($this->loadMultiple() as $rules_config) {
-      $event = $rules_config->getEvent();
-      if ($event && !isset($events[$event])) {
-        $events[$event] = $event;
+      foreach ($rules_config->getEventNames() as $event_name) {
+        if (!isset($events[$event_name])) {
+          $events[$event_name] = $event_name;
+        }
       }
     }
     return $events;
@@ -106,10 +107,13 @@ public function save(EntityInterface $entity) {
 
     // After the reaction rule is saved, we need to rebuild the container,
     // otherwise the reaction rule will not fire. However, we can do an
-    // optimization: if the event was already registered before, we do not have
-    // to rebuild the container.
-    if (empty($events_before[$entity->getEvent()])) {
-      $this->drupalKernel->rebuildContainer();
+    // optimization: if every event was already registered before, we do not
+    // have to rebuild the container.
+    foreach ($entity->getEventNames() as $event_name) {
+      if (empty($events_before[$event_name])) {
+        $this->drupalKernel->rebuildContainer();
+        break;
+      }
     }
 
     return $return;

src/EventSubscriber/GenericEventSubscriber.php

@@ -125,7 +125,7 @@ public function onRulesEvent(Event $event, $event_name) {
     // another rule.
     foreach ($triggered_events as $triggered_event) {
       // @todo Only load active reaction rules here.
-      $configs = $storage->loadByProperties(['event' => $triggered_event]);
+      $configs = $storage->loadByProperties(['events.*.event_name' => $triggered_event]);
 
       // Loop over all rules and execute them.
       foreach ($configs as $config) {

src/Form/ReactionRuleAddForm.php

@@ -65,7 +65,8 @@ public function form(array $form, FormStateInterface $form_state) {
       }
     }
 
-    $form['event'] = [
+    $form['events']['#tree'] = TRUE;
+    $form['events'][]['event_name'] = [
       '#type' => 'select',
       '#title' => $this->t('React on event'),
       '#options' => $options,

src/Form/ReactionRuleEditForm.php

@@ -73,12 +73,17 @@ protected function prepareEntity() {
   public function form(array $form, FormStateInterface $form_state) {
     $form['locked'] = $this->rulesUiHandler->addLockInformation();
 
-    $event_name = $this->entity->getEvent();
-    $event_definition = $this->eventManager->getDefinition($event_name);
-    $form['event']['#markup'] = $this->t('Event: @label (@name)', [
-      '@label' => $event_definition['label'],
-      '@name' => $event_name,
-    ]);
+    foreach ($this->entity->getEventNames() as $key => $event_name) {
+      $event_definition = $this->eventManager->getDefinition($event_name);
+      $form['event'][$key] = [
+        '#type' => 'item',
+        '#title' => $this->t('Events:'),
+        '#markup' => $this->t('@label (@name)', [
+          '@label' => $event_definition['label'],
+          '@name' => $event_name,
+        ]),
+      ];
+    }
     $form_handler = $this->rulesUiHandler->getComponent()
       ->getExpression()->getFormHandler();
     $form = $form_handler->form($form, $form_state);

tests/src/Kernel/EventIntegrationTest.php

@@ -54,7 +54,7 @@ public function testUserLoginEvent() {
     $config_entity = $this->storage->create([
       'id' => 'test_rule',
       'expression_id' => 'rules_rule',
-      'event' => 'rules_user_login',
+      'events' => [['event_name' => 'rules_user_login']],
       'configuration' => $rule->getConfiguration(),
     ]);
     $config_entity->save();
@@ -81,7 +81,7 @@ public function testUserLogoutEvent() {
     $config_entity = $this->storage->create([
       'id' => 'test_rule',
       'expression_id' => 'rules_rule',
-      'event' => 'rules_user_logout',
+      'events' => [['event_name' => 'rules_user_logout']],
       'configuration' => $rule->getConfiguration(),
     ]);
     $config_entity->save();
@@ -108,7 +108,7 @@ public function testCronEvent() {
     $config_entity = $this->storage->create([
       'id' => 'test_rule',
       'expression_id' => 'rules_rule',
-      'event' => 'rules_system_cron',
+      'events' => [['event_name' => 'rules_system_cron']],
       'configuration' => $rule->getConfiguration(),
     ]);
     $config_entity->save();
@@ -134,7 +134,7 @@ public function testSystemLoggerEvent() {
     $config_entity = $this->storage->create([
       'id' => 'test_rule',
       'expression_id' => 'rules_rule',
-      'event' => 'rules_system_logger_event',
+      'events' => [['event_name' => 'rules_system_logger_event']],
       'configuration' => $rule->getConfiguration(),
     ]);
     $config_entity->save();
@@ -161,7 +161,7 @@ public function testInitEvent() {
     $config_entity = $this->storage->create([
       'id' => 'test_rule',
       'expression_id' => 'rules_rule',
-      'event' => KernelEvents::REQUEST,
+      'events' => [['event_name' => KernelEvents::REQUEST]],
       'configuration' => $rule->getConfiguration(),
     ]);
     $config_entity->save();
@@ -185,4 +185,38 @@ public function testInitEvent() {
     $this->assertRulesLogEntryExists('action called');
   }
 
+  /**
+   * Test that rules config supports multiple events.
+   */
+  public function testMultipleEvents() {
+    $rule = $this->expressionManager->createRule();
+    $rule->addCondition('rules_test_true');
+    $rule->addAction('rules_test_log');
+
+    $config_entity = $this->storage->create([
+      'id' => 'test_rule',
+      'expression_id' => 'rules_rule',
+    ]);
+    $config_entity->set('events', [
+      ['event_name' => 'rules_user_login'],
+      ['event_name' => 'rules_user_logout'],
+    ]);
+    $config_entity->set('configuration', $rule->getConfiguration());
+    $config_entity->save();
+
+    // The logger instance has changed, refresh it.
+    $this->logger = $this->container->get('logger.channel.rules');
+
+    $account = User::create(['name' => 'test_user']);
+    // Invoke the hook manually which should trigger the rules_user_login event.
+    rules_user_login($account);
+    // Invoke the hook manually which should trigger the rules_user_logout
+    // event.
+    rules_user_logout($account);
+
+    // Test that the action in the rule logged something.
+    $this->assertRulesLogEntryExists('action called');
+    $this->assertRulesLogEntryExists('action called', 1);
+  }
+
 }