Forward port of V5.7: Add variables MinQuantity and MaxQuantity

library/rules_shipping_framework.php

@@ -210,7 +210,12 @@ class RulesShippingFramework {
 	 */
 	/** Functions to calculate all the different variables for the given cart and given (sub)set of products in the cart */
 	protected function getOrderCounts ($cart, $products, $method) {
-		return array('articles' => 0, 'products' => count($products));
+		return array(
+			'articles' => 0, 
+			'products' => count($products),
+			'minquantity' => 9999999999,
+			'maxquantity' => 0,
+		);
 	}
 
 	protected function getOrderDimensions ($cart, $products, $method) {

rules_shipping_framework_joomla.php

@@ -98,13 +98,21 @@ class RulesShippingFrameworkJoomla extends RulesShippingFramework {
 	 *   - getOrderDimensions
 	 */
 	/** Functions to calculate all the different variables for the given cart and given (sub)set of products in the cart */
-	protected function getOrderCounts ($cart, $products, $method) {
-		$counts = array('products' => count($products));
-		$articles = 0;
+	protected function getOrderCounts (VirtueMartCart $cart, $products, $method) {
+		$counts = array(
+			'articles' => 0,
+			'products' => count($products),
+			'minquantity' => 9999999999,
+			'maxquantity' => 0,
+		);
+		
 		foreach ($products as $product) {
-			$articles += $product->quantity;
+			$counts['articles']   += $product->quantity;
+			$counts['maxquantity'] = max ($counts['maxquantity'], $product->quantity);
+			$counts['minquantity'] = min ($counts['minquantity'], $product->quantity);
 		}
-		$counts['articles'] = $articles;
+		$counts['quantity'] = $counts['articles'];
+		
 		return $counts;
 	}