Don't send scheduled reminders for event templates

Civi/ActionSchedule/RecipientBuilder.php

@@ -138,7 +138,7 @@ public function __construct($now, $actionSchedule, $mapping) {
   public function build() {
     $this->buildRelFirstPass();
 
-    if ($this->prepareAddlFilter('c.id')) {
+    if ($this->prepareAddlFilter('c.id') && $this->notTemplate()) {
       $this->buildAddlFirstPass();
     }
 
@@ -603,4 +603,25 @@ protected function resetOnTriggerDateChange() {
     return $this->mapping->resetOnTriggerDateChange($this->actionSchedule);
   }
 
+  /**
+   * Confirm this object isn't attached to a template.
+   * Returns TRUE if this action schedule isn't attached to a template.
+   * Templates are (currently) unique to events, so we only evaluate those.
+   *
+   * @return bool;
+   */
+  private function notTemplate() {
+    if ($this->mapping->getEntity() === 'civicrm_participant') {
+      $entityId = $this->actionSchedule->entity_value;
+      $query = new \CRM_Utils_SQL_Select('civicrm_event e');
+      $sql = $query
+        ->select('is_template')
+        ->where("e.id = {$entityId}")
+        ->toSQL();
+      $dao = \CRM_Core_DAO::executeQuery($sql);
+      return !(bool) $dao->fetchValue();
+    }
+    return TRUE;
+  }
+
 }

tests/phpunit/api/v3/JobTest.php

@@ -325,6 +325,38 @@ public function testCallDisableExpiredRelationships() {
     $this->contactDelete($orgID);
   }
 
+  /**
+   * Event templates should not send reminders to additional contacts.
+   */
+  public function testTemplateRemindAddlContacts() {
+    $contactId = $this->individualCreate();
+    $groupId = $this->groupCreate(['name' => 'Additional Contacts', 'title' => 'Additional Contacts']);
+    $this->callAPISuccess('GroupContact', 'create', [
+      'contact_id' => $contactId,
+      'group_id' => $groupId,
+    ]);
+    $event = $this->eventCreate(['is_template' => 1, 'template_title' => "I'm a template", 'title' => NULL]);
+    $eventId = $event['id'];
+
+    $actionSchedule = $this->callAPISuccess('action_schedule', 'create', [
+      'title' => "Do not send me",
+      'subject' => "I am a reminder attached to a template.",
+      'entity_value' => $eventId,
+      'mapping_id' => 5,
+      'start_action_date' => 'start_date',
+      'start_action_offset' => 1,
+      'start_action_condition' => 'before',
+      'start_action_unit' => 'day',
+      'group_id' => $groupId,
+      'limit_to' => FALSE,
+      'mode' => 'Email',
+    ]);
+
+    $this->callAPISuccess('job', 'send_reminder', []);
+    $successfulCronCount = CRM_Core_DAO::singleValueQuery("SELECT count(*) FROM civicrm_action_log");
+    $this->assertEquals(0, $successfulCronCount);
+  }
+
   /**
    * Test scheduled reminders respect limit to (since above identified addition_to handling issue).
    *