[-] Fix bug #PSCFI-5839 delete attached file from curstomer thread deletion

classes/CustomerMessage.php

@@ -104,6 +104,11 @@ class CustomerMessageCore extends ObjectModel
 				WHERE '.$where
 			);
 	}
-
-}
-
+	
+	public function delete()
+	{
+		if (!empty($this->file_name))
+			@unlink(_PS_UPLOAD_DIR_.$this->file_name);
+		return parent::delete();
+	}  
+}

classes/CustomerThread.php

@@ -97,11 +97,27 @@ class CustomerThreadCore extends ObjectModel
 	{
 		if (!Validate::isUnsignedId($this->id))
 			return false;
-		Db::getInstance()->execute('
-			DELETE FROM `'._DB_PREFIX_.'customer_message`
+ 		
+		$return = true;			
+		$result = Db::getInstance()->executeS('
+			SELECT `id_customer_message` 
+			FROM `'._DB_PREFIX_.'customer_message`
 			WHERE `id_customer_thread` = '.(int)$this->id
 		);
-		return (parent::delete());
+
+		if( count($result))
+		{
+			foreach ($result AS $res)
+			{
+			    $message = new CustomerMessage((int)$res['id_customer_message']);
+			    if (!Validate::isLoadedObject($message))
+					$return = false;
+			    else
+			        $return &= $message->delete();
+			}
+		}
+		$return &= parent::delete();
+		return $return;
 	}
 
 	public static function getCustomerMessages($id_customer, $read = null)
@@ -204,5 +220,4 @@ class CustomerThreadCore extends ObjectModel
 			' ORDER BY ct.date_upd ASC
 		');
 	}
-}
-
+}