Index: branches/5.2.x/constants.php
===================================================================
diff -u -N -r14258 -r14641
--- branches/5.2.x/constants.php	(.../constants.php)	(revision 14258)
+++ branches/5.2.x/constants.php	(.../constants.php)	(revision 14641)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: constants.php 14258 2011-03-16 21:43:52Z alex $
+* @version	$Id: constants.php 14641 2011-10-05 15:31:23Z alex $
 * @package	In-Commerce
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license	Commercial License
@@ -32,7 +32,7 @@
 	define('PRODUCT_TYPE_DOWNLOADABLE',	4);
 	define('PRODUCT_TYPE_PACKAGE',		5);
 
-	// payment gateway processing satuses
+	// payment gateway processing statuses
 	define('SHIPPING_CONTROL_DIRECT', 3);
 	define('SHIPPING_CONTROL_PREAUTH', 4);
 
@@ -43,6 +43,51 @@
 
 	define('USPS_LABEL_FOLDER', WRITEABLE . '/user_files/labels/');
 
+	define('ORDER_SHIP_ALL_TOGETHER', 0);
+	define('ORDER_SHIP_BACKORDERS_SEPARATELY', 1);
+	define('ORDER_SHIP_BACKORDERS_UPON_AVAILABLE', 2);
+
+	define('ORDER_GROUP_SHIPPMENTS_AUTO', 0);
+	define('ORDER_GROUP_SHIPPMENTS_MANUAL', 1);
+
+	define('PRODUCT_SHIPPING_MODE_ANY_AND_SELECTED', 0);
+	define('PRODUCT_SHIPPING_MODE_SELECTED_ONLY', 1);
+
+	class OrderCheckoutError {
+		const STATE_CHANGED = 10;
+		const CHANGED_AFTER_LOGIN = 11;
+
+		const QTY_UNAVAILABLE = 20; // orditems:Quantity (users tries to order more, then in stock)
+		const QTY_OUT_OF_STOCK = 21; // orditems:Quantity (product was sold out, after it was added to cart, but before checkout)
+		const QTY_CHANGED_TO_MINIMAL = 22; // orditems:Quantity (qty change to minimal available by price brackets)
+
+		const COUPON_APPLIED = 30; // orditems:ItemData, general
+		const COUPON_REMOVED = 31; // orditems:ItemData, general
+		const COUPON_REMOVED_AUTOMATICALLY = 32; // when discount is more efficient, then coupon being applied
+		const COUPON_CODE_INVALID = 33; // general
+		const COUPON_CODE_EXPIRED = 34; // general
+
+		const GC_APPLIED = 40; // general
+		const GC_REMOVED = 41; // general
+		const GC_REMOVED_AUTOMATICALLY = 42; // general
+		const GC_CODE_INVALID = 43; // general
+		const GC_CODE_EXPIRED = 44; // general
+
+		// new, to integrate
+		const DISCOUNT_APPLIED = 50; // orditems:ItemData, general
+		const DISCOUNT_REMOVED = 51; // orditems:ItemData, general
+
+		const FIELD_UPDATE_SUCCESS = 60; // when order item field is changed + not discount/coupon related
+		const FIELD_UPDATE_ERROR = 61; // when order item field can't be changed + not discount/coupon related
+	}
+
+	class OrderCheckoutErrorType {
+		const PRODUCT = 1;
+		const COUPON = 2;
+		const GIFT_CERTIFICATE = 3;
+		const DISCOUNT = 4;
+	}
+
 	class ProductInventory {
 		const DISABLED = 0;
 		const BY_PRODUCT = 1;