Merge branch 'buyfix' into 'master'

Autoproduct can not be bought as the only product

System would allow users to buy delivery costs as the only product.
We don't want this.

See merge request !304

code/moya-web/src/main/java/fi/codecrew/moya/web/cdiview/shop/ProductShopView.java

@@ -44,6 +44,7 @@ import fi.codecrew.moya.model.EventUser;
 import fi.codecrew.moya.model.LanEventProperty;
 import fi.codecrew.moya.model.LanEventPropertyKey;
 import fi.codecrew.moya.model.Product;
+import fi.codecrew.moya.model.ProductFlag;
 import fi.codecrew.moya.model.ReaderEvent;
 import fi.codecrew.moya.web.cdiview.GenericCDIView;
 import fi.codecrew.moya.web.cdiview.reader.ReaderView;
@@ -398,7 +399,9 @@ public class ProductShopView extends GenericCDIView {
 	private boolean productsInCart() {
 		Iterator<ProductShopItem> nullcheckIter = shoppingcart.iterator();
 		while (nullcheckIter.hasNext()) {
-			if (nullcheckIter.next().getCount().compareTo(BigDecimal.ZERO) > 0) {
+			ProductShopItem prod = nullcheckIter.next();
+			// Autoproduct is not counted as a real product.
+			if (!prod.getProduct().getProductFlags().contains(ProductFlag.USERSHOP_AUTOPRODUCT) && prod.getCount().compareTo(BigDecimal.ZERO) > 0) {
 				return true;
 			}
 		}