added abstract api entity and action methods

CRM/Civirules/Action.php

@@ -12,6 +12,22 @@ abstract class CRM_Civirules_Action {
 
   protected $action = array();
 
+  /**
+   * Method to get the api entity to process in this CiviRule action
+   *
+   * @access protected
+   * @abstract
+   */
+  protected abstract function getApiEntity();
+
+  /**
+   * Method to get the api action to process in this CiviRule action
+   *
+   * @access protected
+   * @abstract
+   */
+  protected abstract function getApiAction();
+
   /**
    * Method to set RuleActionData
    *
@@ -55,8 +71,8 @@ abstract class CRM_Civirules_Action {
    * @access public
    */
   public function processAction(CRM_Civirules_EventData_EventData $eventData) {
-    $entity = $this->action['api_entity'];
-    $action = $this->action['api_action'];
+    $entity = $this->getApiEntity();
+    $action = $this->getApiAction();
 
     $params = $this->getActionParameters();
 

CRM/CivirulesActions/GroupContact.php

@@ -50,4 +50,24 @@ class CRM_CivirulesActions_GroupContact extends CRM_Civirules_Action {
     }
     return '';
   }
+
+  /**
+   * Method to set the api entity
+   *
+   * @return string
+   * @access protected
+   */
+  protected function getApiEntity() {
+    return 'GroupContact';
+  }
+
+  /**
+   * Method to set the api action
+   *
+   * @return string
+   * @access protected
+   */
+  protected function getApiAction() {
+    return 'create';
+  }
 }
\ No newline at end of file

CRM/CivirulesConditions/FirstContribution.php

@@ -48,4 +48,7 @@ class CRM_CivirulesConditions_FirstContribution extends CRM_Civirules_Condition
   public function getExtraDataInputUrl($ruleConditionId) {
     return FALSE;
   }
+  public function requiredEntities() {
+    return array('Contribution');
+  }
 }
\ No newline at end of file