- Email Ordine da template HTML

src/server/modules/Cart.js

@@ -96,15 +96,31 @@ class Cart {
     }
   }
 
+  qtaNextSub(myorder, myproduct) {
+    let step = 1
+    let minqta = myproduct.minBuyQty | 1
+    if (myproduct.quantityAvailable > 0) {
+      if (myorder.quantity === minqta)
+        step = minqta
+    } else {
+      if (myorder.quantitypreordered === minqta)
+        step = minqta
+    }
+
+    return step
+  }
+
+
   async subqty(itemorder) {
     try {
       const myitem = this.items.find((rec) => rec.order._id.toString() === itemorder._id)
       if (!!myitem) {
-        if (myitem.order.quantitypreordered > 0) {
-          myitem.order.quantitypreordered--;
+        let step = this.qtaNextSub(myitem.order, myitem.order.product);
+        if (myitem.order.quantitypreordered - step >= 0) {
+          myitem.order.quantitypreordered -= step;
         } else {
-          if (myitem.order.quantity > 0) {
-            myitem.order.quantity--;
+          if (myitem.order.quantity - step >= 0) {
+            myitem.order.quantity -= step;
           }
         }
         this.updatetotals();