Deprecate setPaymentMethodAndPlaceOrderMutation

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

@@ -20,7 +20,11 @@
 use Magento\Sales\Api\OrderRepositoryInterface;
 
 /**
- * @inheritdoc
+ * Resolver for setting payment method and placing order
+ *
+ * @deprecated Should use setPaymentMethodOnCart and placeOrder mutations in single request.
+ * @see \Magento\QuoteGraphQl\Model\Resolver\SetPaymentMethodOnCart
+ * @see \Magento\QuoteGraphQl\Model\Resolver\PlaceOrder
  */
 class SetPaymentAndPlaceOrder implements ResolverInterface
 {

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

@@ -18,7 +18,7 @@ type Mutation {
     setShippingMethodsOnCart(input: SetShippingMethodsOnCartInput): SetShippingMethodsOnCartOutput @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\SetShippingMethodsOnCart")
     setPaymentMethodOnCart(input: SetPaymentMethodOnCartInput): SetPaymentMethodOnCartOutput @resolver(class: "Magento\\QuoteGraphQl\\Model\\Resolver\\SetPaymentMethodOnCart")
     setGuestEmailOnCart(input: SetGuestEmailOnCartInput): SetGuestEmailOnCartOutput @resolver(class: "Magento\\QuoteGraphQl\\Model\\Resolver\\SetGuestEmailOnCart")
-    setPaymentMethodAndPlaceOrder(input: SetPaymentMethodAndPlaceOrderInput): PlaceOrderOutput @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\SetPaymentAndPlaceOrder")
+    setPaymentMethodAndPlaceOrder(input: SetPaymentMethodAndPlaceOrderInput): PlaceOrderOutput @deprecated(reason: "Should use setPaymentMethodOnCart and placeOrder mutations in single request.") @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\SetPaymentAndPlaceOrder")
     placeOrder(input: PlaceOrderInput): PlaceOrderOutput @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\PlaceOrder")
 }
 

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Customer/SetPaymentMethodAndPlaceOrderTest.php

@@ -78,9 +78,14 @@ public function testSetPaymentOnCartWithSimpleProduct()
         $query = $this->getQuery($maskedQuoteId, $methodCode);
         $response = $this->graphQlMutation($query, [], '', $this->getHeaderMap());
 
-        self::assertArrayHasKey('setPaymentMethodAndPlaceOrder', $response);
-        self::assertArrayHasKey('order', $response['setPaymentMethodAndPlaceOrder']);
-        self::assertArrayHasKey('order_id', $response['setPaymentMethodAndPlaceOrder']['order']);
+        self::assertArrayHasKey('setPaymentMethodOnCart', $response);
+        self::assertArrayHasKey('cart', $response['setPaymentMethodOnCart']);
+        self::assertArrayHasKey('selected_payment_method', $response['setPaymentMethodOnCart']['cart']);
+        self::assertArrayHasKey('code', $response['setPaymentMethodOnCart']['cart']['selected_payment_method']);
+        self::assertEquals($methodCode, $response['setPaymentMethodOnCart']['cart']['selected_payment_method']['code']);
+
+        self::assertArrayHasKey('order', $response['placeOrder']);
+        self::assertArrayHasKey('order_id', $response['placeOrder']['order']);
     }
 
     /**
@@ -116,9 +121,14 @@ public function testSetPaymentOnCartWithVirtualProduct()
         $query = $this->getQuery($maskedQuoteId, $methodCode);
         $response = $this->graphQlMutation($query, [], '', $this->getHeaderMap());
 
-        self::assertArrayHasKey('setPaymentMethodAndPlaceOrder', $response);
-        self::assertArrayHasKey('order', $response['setPaymentMethodAndPlaceOrder']);
-        self::assertArrayHasKey('order_id', $response['setPaymentMethodAndPlaceOrder']['order']);
+        self::assertArrayHasKey('setPaymentMethodOnCart', $response);
+        self::assertArrayHasKey('cart', $response['setPaymentMethodOnCart']);
+        self::assertArrayHasKey('selected_payment_method', $response['setPaymentMethodOnCart']['cart']);
+        self::assertArrayHasKey('code', $response['setPaymentMethodOnCart']['cart']['selected_payment_method']);
+        self::assertEquals($methodCode, $response['setPaymentMethodOnCart']['cart']['selected_payment_method']['code']);
+
+        self::assertArrayHasKey('order', $response['placeOrder']);
+        self::assertArrayHasKey('order_id', $response['placeOrder']['order']);
     }
 
     /**
@@ -224,12 +234,25 @@ private function getQuery(
     ) : string {
         return <<<QUERY
 mutation {
-  setPaymentMethodAndPlaceOrder(input: {
-      cart_id: "$maskedQuoteId"
+  setPaymentMethodOnCart(
+    input: {
+      cart_id: "{$maskedQuoteId}"
       payment_method: {
-          code: "$methodCode"
+        code: "{$methodCode}"
+      }
+    }
+  ) {
+    cart {
+      selected_payment_method {
+        code
       }
-  }) {    
+    }
+  }
+  placeOrder(
+    input: {
+      cart_id: "{$maskedQuoteId}"
+    }
+  ) {
     order {
       order_id
     }