CSR-1391 combine like line items for pia

src/layouts/payment/payment.vue

@@ -509,17 +509,26 @@ export default {
             }
         },
         getPiaLineItems() {
-            let itemsForPia = "";
+            const itemMap = new Map();
             const glassParts = store.getters.order.lineItems.glassParts;
             const supportingItems = store.getters.order.lineItems.supportingItems;
             const vaps = store.getters.order.lineItems.vaps;
             const items = [...(glassParts ?? []), ...(supportingItems ?? []), ...(vaps ?? [])];
 
-            for (let i = 0; i < items.length; i++) {
+            for (const item of items) {
-                const amount = items[i].laborAmount + items[i].sellingPrice;
+                const amount = item.laborAmount + item.sellingPrice;
-                itemsForPia += items[i].partType + "|" + amount + "|1|";
+                const key = `${item.partType}|${amount}`;
+
+                if (itemMap.has(key)) {
+                    itemMap.get(key).quantity++;
+                } else {
+                    itemMap.set(key, { partType: item.partType, amount, quantity: 1 });
+                }
             }
-            return itemsForPia;
+
+            return Array.from(itemMap.values())
+                .map((item) => `${item.partType}|${item.amount}|${item.quantity}`)
+                .join("||");
         },
         getAmountDue() {
             return baseMixin.methods.getAmountDue(store.getters.order.lineItems);