Better display of cart amount breakdown

app.js

@@ -290,6 +290,18 @@ handlebars = handlebars.create({
             return value.replace(/^\w/, (chr) => {
                 return chr.toUpperCase();
             });
+        },
+        math: (lvalue, operator, rvalue, options) => {
+            lvalue = parseFloat(lvalue);
+            rvalue = parseFloat(rvalue);
+
+            return{
+                '+': lvalue + rvalue,
+                '-': lvalue - rvalue,
+                '*': lvalue * rvalue,
+                '/': lvalue / rvalue,
+                '%': lvalue % rvalue
+            }[operator];
         }
     }
 });

locales/en.json

@@ -170,5 +170,7 @@
 	"Return to information": "Return to information",
 	"Search shop": "Search shop",
 	"Dashboard": "Dashboard",
-	"Create order": "Create order"
+	"Create order": "Create order",
+	"Order shipping amount": "Order shipping amount",
+	"Order net amount": "Order net amount"
 }

views/order.hbs

@@ -31,6 +31,8 @@
             {{#if result.orderPaymentMessage}}
             <li class="list-group-item"><strong> {{ @root.__ "Payment Message" }}: </strong><span class="float-right">{{result.orderPaymentMessage}}</span></li>
             {{/if}}
+            <li class="list-group-item"><strong> {{ @root.__ "Order net amount" }}: </strong><span class="float-right">{{currencySymbol config.currencySymbol}}{{formatAmount (math result.orderTotal '-' result.orderShipping)}}</span></li>
+            <li class="list-group-item"><strong> {{ @root.__ "Order shipping amount" }}: </strong><span class="float-right">{{currencySymbol config.currencySymbol}}{{formatAmount result.orderShipping}}</span></li>
             <li class="list-group-item"><strong> {{ @root.__ "Order total amount" }}: </strong><span class="float-right">{{currencySymbol config.currencySymbol}}{{formatAmount result.orderTotal}}</span></li>
             <li class="list-group-item"><strong> {{ @root.__ "Email address" }}: </strong><span class="float-right">{{result.orderEmail}}</span></li>
             <li class="list-group-item"><strong> {{ @root.__ "First name" }}: </strong><span class="float-right">{{result.orderFirstname}}</span></li>