added minutes delay

CRM/Civirules/Delay/Factory.php

@@ -9,6 +9,7 @@ class CRM_Civirules_Delay_Factory {
    */
   public static function getAllDelayClasses() {
     return array(
+      new CRM_Civirules_Delay_XMinutes(),
       new CRM_Civirules_Delay_XDays(),
       new CRM_Civirules_Delay_XWeekDay(),
       new CRM_Civirules_Delay_XWeekDayOfMonth(),

CRM/Civirules/Delay/XMinutes.php

+<?php
+
+class CRM_Civirules_Delay_XMinutes extends CRM_Civirules_Delay_Delay {
+
+  protected $minuteOffset;
+
+  public function delayTo(DateTime $date) {
+    $date->modify("+ ".$this->minuteOffset." minutes");
+    return $date;
+  }
+
+  public function getDescription() {
+    return ts('Delay by a number of minutes');
+  }
+
+  public function getDelayExplanation() {
+    return ts('Delay action by %1 minutes', array(1 => $this->minuteOffset));
+  }
+
+  public function addElements(CRM_Core_Form &$form) {
+    $form->add('text', 'xminutes_minuteOffset', ts('Minutes'));
+  }
+
+  public function validate($values, &$errors) {
+    if (empty($values['xminutes_minuteOffset']) || !is_numeric($values['xminutes_minuteOffset'])) {
+      $errors['xminutes_minuteOffset'] = ts('You need to provide a number of minutess');
+    }
+  }
+
+  public function setValues($values) {
+    $this->minuteOffset = $values['xminutes_minuteOffset'];
+  }
+
+}
\ No newline at end of file

templates/CRM/Civirules/Delay/XMinutes.tpl

+<div class="label">{$form.xminutes_minuteOffset.label}</div>
+<div class="content">{$form.xminutes_minuteOffset.html}</div>
+<div class="clear"></div>
\ No newline at end of file