Fixed missing getConditions() on DynamicRule causing fatal error (#564)

Author: fballiano

app/code/core/Maho/FeedManager/Model/DynamicRule.php

@@ -46,6 +46,11 @@ class Maho_FeedManager_Model_DynamicRule extends Mage_Core_Model_Abstract
      */
     protected ?array $_cases = null;
 
+    /**
+     * Conditions model instance
+     */
+    protected ?Maho_FeedManager_Model_Rule_Condition_Combine $_conditions = null;
+
     /**
      * Form instance for conditions rendering
      */
@@ -71,6 +76,29 @@ public function setForm(\Maho\Data\Form $form): self
         return $this;
     }
 
+    /**
+     * Get conditions model instance (required by rules engine UI)
+     */
+    public function getConditions(): Maho_FeedManager_Model_Rule_Condition_Combine
+    {
+        if ($this->_conditions === null) {
+            $this->_conditions = Mage::getModel('feedmanager/rule_condition_combine');
+            $this->_conditions->setRule($this)->setId('1')->setPrefix('conditions');
+
+            if ($this->hasConditionsSerialized()) {
+                $conditions = $this->getConditionsSerialized();
+                if (!empty($conditions)) {
+                    $decoded = Mage::helper('core')->jsonDecode($conditions);
+                    if (is_array($decoded) && !empty($decoded)) {
+                        $this->_conditions->loadArray($decoded);
+                    }
+                }
+                $this->unsConditionsSerialized();
+            }
+        }
+        return $this->_conditions;
+    }
+
     #[\Override]
     protected function _construct(): void
     {