LYNX-451: Deliver Order Grand_Total Without Tax in CartPrices

Author: sumesh-GL

app/code/Magento/QuoteGraphQl/Model/Resolver/CartPrices.php

@@ -65,15 +65,25 @@ public function resolve(Field $field, $context, ResolveInfo $info, array $value
         $cartTotals = $this->totalsCollector->collectQuoteTotals($quote);
         $currency = $quote->getQuoteCurrencyCode();
 
+        $appliedTaxes = $this->getAppliedTaxes($cartTotals, $currency);
+        $grandTotal = $cartTotals->getGrandTotal();
+
+        $totalAppliedTaxes = 0;
+        foreach ($appliedTaxes as $appliedTax) {
+            $totalAppliedTaxes += $appliedTax['amount']['value'];
+        }
+        $grandTotalExclTax = $grandTotal - $totalAppliedTaxes;
+
         return [
-            'grand_total' => ['value' => $cartTotals->getGrandTotal(), 'currency' => $currency],
+            'grand_total' => ['value' => $grandTotal, 'currency' => $currency],
+            'grand_total_excluding_tax' => ['value' => $grandTotalExclTax, 'currency' => $currency],
             'subtotal_including_tax' => ['value' => $cartTotals->getSubtotalInclTax(), 'currency' => $currency],
             'subtotal_excluding_tax' => ['value' => $cartTotals->getSubtotal(), 'currency' => $currency],
             'subtotal_with_discount_excluding_tax' => [
                 'value' => $this->getSubtotalWithDiscountExcludingTax($cartTotals),
                 'currency' => $currency
             ],
-            'applied_taxes' => $this->getAppliedTaxes($cartTotals, $currency),
+            'applied_taxes' => $appliedTaxes,
             'discount' => $this->getDiscount($cartTotals, $currency),
             'model' => $quote
         ];

app/code/Magento/QuoteGraphQl/etc/schema.graphqls

@@ -214,17 +214,18 @@ input SetGuestEmailOnCartInput @doc(description: "Defines the guest email and ca
     email: String! @doc(description: "The email address of the guest.")
 }
 
-type CartPrices  @doc(description: "Contains details about the final price of items in the cart, including discount and tax information.") {
-    grand_total: Money  @doc(description: "The total, including discounts, taxes, shipping, and other fees.")
-    subtotal_including_tax: Money  @doc(description: "The subtotal including any applied taxes.")
-    subtotal_excluding_tax: Money  @doc(description: "The subtotal without any applied taxes.")
+type CartPrices @doc(description: "Contains details about the final price of items in the cart, including discount and tax information.") {
+    grand_total: Money @doc(description: "The total, including discounts, taxes, shipping, and other fees.")
+    grand_total_excluding_tax: Money @doc(description: "The total of the cart, including discounts, shipping, and other fees without tax.")
+    subtotal_including_tax: Money @doc(description: "The subtotal including any applied taxes.")
+    subtotal_excluding_tax: Money @doc(description: "The subtotal without any applied taxes.")
     discount: CartDiscount @deprecated(reason: "Use discounts instead.")
-    subtotal_with_discount_excluding_tax: Money  @doc(description: "The subtotal with any discounts applied, but not taxes.")
-    applied_taxes: [CartTaxItem]  @doc(description: "An array containing the names and amounts of taxes applied to each item in the cart.")
+    subtotal_with_discount_excluding_tax: Money @doc(description: "The subtotal with any discounts applied, but not taxes.")
+    applied_taxes: [CartTaxItem] @doc(description: "An array containing the names and amounts of taxes applied to each item in the cart.")
     discounts: [Discount] @doc(description:"An array containing cart rule discounts, store credit and gift cards applied to the cart.") @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\Discounts")
 }
 
-type CartTaxItem  @doc(description: "Contains tax information about an item in the cart.") {
+type CartTaxItem @doc(description: "Contains tax information about an item in the cart.") {
     amount: Money! @doc(description: "The amount of tax applied to the item.")
     label: String! @doc(description: "The description of the tax.")
 }