CASH-152: refactor/improve some base-mixin helpers

src/mixins/base-mixin.js

@@ -110,6 +110,22 @@ export default {
             });
             return filteredLineItems;
         },
+        filterOutCertainPartTypesOrNumbers(lineItemsArray, {partTypesToRemove = [], partNumbersToRemove = []}) {
+            // lineItems s/b an ARRAY here
+            if (!Array.isArray(lineItemsArray)) return;
+
+            partTypesToRemove.forEach((partType) => {
+                lineItemsArray = lineItemsArray.filter((item) => {
+                    return !item?.partType?.includes(partType);
+                });
+            });
+            partNumbersToRemove.forEach((partNumber) => {
+                lineItemsArray = lineItemsArray.filter((item) => {
+                    return !item?.partNumber?.includes(partNumber);
+                });
+            });
+            return lineItemsArray;
+        },
         filterOutServicePackageDiscountPart(lineItems) {
             const filteredLineItems = lineItems?.filter((item) => {
                 return !item?.partType?.includes(partTypeStrings.SERVICE_PACKAGE_DISCOUNT);
@@ -133,15 +149,20 @@ export default {
             return totalPrice;
         },
         getTotalLineItemPrice(lineItem, includeTax) {
+            const kitPrice = lineItem.kitPrice ?? 0;
+            const laborAmount = lineItem.laborAmount ?? 0;
+            const sellingPrice = lineItem.sellingPrice ?? 0;
+            const salesTax = lineItem.salesTax ?? 0;
+            
             if (includeTax) {
                 return (
-                    lineItem.kitPrice +
+                    kitPrice +
-                    lineItem.laborAmount +
+                    laborAmount +
-                    lineItem.sellingPrice +
+                    sellingPrice +
-                    lineItem.salesTax
+                    salesTax
                 );
             } else {
-                return lineItem.kitPrice + lineItem.laborAmount + lineItem.sellingPrice;
+                return kitPrice + laborAmount + sellingPrice;
             }
         },