Added salePrice and sales to variant gql queries fixes #1525

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+### Added
+- Added the `salePrice` and `sales` fields to GraphQL variant queries. ([#1525](https://github.com/craftcms/commerce/issues/1525))
+- Added `craft\commerce\gql\types\SaleType`.
+
 ### Changed
 - Selected shipping method now shows both name and handle for completed orders on the Order Edit page. ([#1472](https://github.com/craftcms/commerce/issues/1472))
 

src/gql/interfaces/elements/Variant.php

@@ -9,6 +9,7 @@
 
 use craft\commerce\elements\Variant as VariantElement;
 use craft\commerce\gql\types\generators\VariantType;
+use craft\commerce\gql\types\SaleType;
 use craft\gql\GqlEntityRegistry;
 use craft\gql\interfaces\Element;
 use craft\gql\TypeManager;
@@ -83,6 +84,16 @@ public static function getFieldDefinitions(): array
                 'type' => Type::float(),
                 'description' => 'The price of the variant.',
             ],
+            'salePrice' => [
+                'name' => 'salePrice',
+                'type' => Type::float(),
+                'description' => 'The sale price of the variant. CAUTION: This will not take into account sales that use user group conditions.',
+            ],
+            'sales' => [
+                'name' => 'sales',
+                'type' => Type::listOf(SaleType::getType()),
+                'description' => 'The sales that apply to the variant. CAUTION: This will not take into account sales that use user group conditions.',
+            ],
             'sortOrder' => [
                 'name' => 'sortOrder',
                 'type' => Type::int(),

src/gql/types/SaleType.php

@@ -0,0 +1,67 @@
+<?php
+/**
+ * @link https://craftcms.com/
+ * @copyright Copyright (c) Pixel & Tonic, Inc.
+ * @license https://craftcms.github.io/license/
+ */
+
+namespace craft\commerce\gql\types;
+
+use craft\gql\base\ObjectType;
+use craft\gql\GqlEntityRegistry;
+use craft\gql\TypeManager;
+use GraphQL\Type\Definition\Type;
+
+/**
+ * Class SaleType
+ *
+ * @author Pixel & Tonic, Inc. <support@pixelandtonic.com>
+ * @since 3.x
+ */
+class SaleType extends ObjectType
+{
+    /**
+     * @return string|null
+     */
+    public static function getName(): string
+    {
+        return 'Sale';
+    }
+
+    /**
+     * @return Type
+     */
+    public static function getType(): Type
+    {
+        if ($type = GqlEntityRegistry::getEntity(self::getName())) {
+            return $type;
+        }
+
+        $type = GqlEntityRegistry::createEntity(self::getName(), new self([
+            'name' => static::getName(),
+            'fields' => self::class . '::getFieldDefinitions',
+            'description' => '',
+        ]));
+
+        return $type;
+    }
+
+    /**
+     * @return array
+     */
+    public static function getFieldDefinitions(): array
+    {
+        return TypeManager::prepareFieldDefinitions([
+            'name' => [
+                'name' => 'name',
+                'type' => Type::string(),
+                'description' => 'The name of the sale as described in the control panel.',
+            ],
+            'description' => [
+                'name' => 'description',
+                'type' => Type::string(),
+                'description' => 'Description of the sale.',
+            ],
+        ], self::getName());
+    }
+}