fix #35 check if contact member of group and only remove if so

CRM/CivirulesActions/GroupContact/Remove.php

@@ -21,4 +21,35 @@ class CRM_CivirulesActions_GroupContact_Remove extends CRM_CivirulesActions_Grou
     return 'delete';
   }
 
+  /**
+   * Process the action
+   *
+   * @param CRM_Civirules_EventData_EventData $eventData
+   * @access public
+   */
+  public function processAction(CRM_Civirules_EventData_EventData $eventData) {
+    $entity = $this->getApiEntity();
+    $action = $this->getApiAction();
+    $contactId = $eventData->getContactId();
+
+    $action_params = $this->getActionParameters();
+    $group_ids = array();
+    if (!empty($action_params['group_id'])) {
+      $group_ids = array($action_params['group_id']);
+    } elseif (!empty($action_params['group_ids']) && is_array($action_params['group_ids'])) {
+      $group_ids = $action_params['group_ids'];
+    }
+    foreach($group_ids as $group_id) {
+      if (CRM_Contact_BAO_GroupContact::isContactInGroup($contactId, $group_id)) {
+        $params = array();
+        $params['group_id'] = $group_id;
+
+        //alter parameters by subclass
+        $params = $this->alterApiParameters($params, $eventData);
+
+        //execute the action
+        $this->executeApiAction($entity, $action, $params);
+      }
+    }
+  }
 }
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