added cache for graphql

Author: landofcoder

Model/Resolver/SellerById/Identity.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Landofcoder
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Landofcoder.com license that is
+ * available through the world-wide-web at this URL:
+ * https://landofcoder.com/terms
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade this extension to newer
+ * version in the future.
+ *
+ * @category   Landofcoder
+ * @package    Lof_MarketplaceGraphQl
+ * @copyright  Copyright (c) 2021 Landofcoder (https://www.landofcoder.com/)
+ * @license    https://landofcoder.com/terms
+ */
+
+namespace Lof\MarketplaceGraphQl\Model\Resolver\SellerById;
+
+
+use Magento\Framework\GraphQl\Query\Resolver\IdentityInterface;
+
+class Identity implements IdentityInterface
+{
+
+    private $cacheTag = \Magento\Framework\App\Config::CACHE_TAG;
+
+    /**
+     * @param array $resolvedData
+     * @return string[]
+     */
+    public function getIdentities(array $resolvedData)
+    {
+        $ids =  empty($resolvedData['seller_id']) ?
+                        [] : [$this->cacheTag, sprintf('%s_%s', $this->cacheTag, $resolvedData['seller_id'])];
+        
+                    return $ids;
+    }
+}
+

Model/Resolver/SellerByProduct/Identity.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Landofcoder
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the Landofcoder.com license that is
+ * available through the world-wide-web at this URL:
+ * https://landofcoder.com/terms
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade this extension to newer
+ * version in the future.
+ *
+ * @category   Landofcoder
+ * @package    Lof_MarketplaceGraphQl
+ * @copyright  Copyright (c) 2021 Landofcoder (https://www.landofcoder.com/)
+ * @license    https://landofcoder.com/terms
+ */
+
+namespace Lof\MarketplaceGraphQl\Model\Resolver\SellerByProduct;
+
+
+use Magento\Framework\GraphQl\Query\Resolver\IdentityInterface;
+
+class Identity implements IdentityInterface
+{
+
+    private $cacheTag = \Magento\Framework\App\Config::CACHE_TAG;
+
+    /**
+     * @param array $resolvedData
+     * @return string[]
+     */
+    public function getIdentities(array $resolvedData)
+    {
+        $ids =  empty($resolvedData['product_sku']) ?
+                        [] : [$this->cacheTag, sprintf('%s_%s', $this->cacheTag, $resolvedData['product_sku'])];
+        
+                    return $ids;
+    }
+}
+

etc/schema.graphqls

@@ -50,11 +50,11 @@ type StoreConfig {
 type Query {
     lofSellerById(
         seller_id: Int! @doc(description: "Seller id")
-    ): Seller @resolver(class: "\\Lof\\MarketplaceGraphQl\\Model\\Resolver\\SellerById") @doc(description: "Get Seller by ID")
+    ): Seller @resolver(class: "\\Lof\\MarketplaceGraphQl\\Model\\Resolver\\SellerById") @doc(description: "Get Seller by ID") @cache( cacheIdentity: "Lof\\MarketplaceGraphQl\\Model\\Resolver\\SellerById\\Identity")
 
     lofSellerByProduct(
         product_sku: String! @doc(description: "Product SKU")
-    ): Seller @resolver(class: "\\Lof\\MarketplaceGraphQl\\Model\\Resolver\\SellerByProduct") @doc(description: "Get Seller by ID")
+    ): Seller @resolver(class: "\\Lof\\MarketplaceGraphQl\\Model\\Resolver\\SellerByProduct") @doc(description: "Get Seller by ID")  @cache( cacheIdentity: "Lof\\MarketplaceGraphQl\\Model\\Resolver\\SellerByProduct\\Identity")
 
     lofProductBySellerId(
         seller_id: Int! @doc(description: "Seller id")
@@ -78,7 +78,7 @@ type Query {
        pageSize: Int = 5 @doc(description: "Specifies the maximum number of results to return at once. This attribute is optional."),
        currentPage: Int = 1 @doc(description: "Specifies which page of results to return. The default value is 1."),
        sort: SellerSortInput @doc(description: "Specifies which attributes to sort on, and whether to return the results in ascending or descending order.")
-   ):Sellers @resolver(class: "\\Lof\\MarketplaceGraphQl\\Model\\Resolver\\Sellers") @doc(description: "The seller query searches for sellers that match the criteria specified in the search and filter attributes")
+   ):Sellers @resolver(class: "\\Lof\\MarketplaceGraphQl\\Model\\Resolver\\Sellers") @doc(description: "The seller query searches for sellers that match the criteria specified in the search and filter attributes") @cache( cacheIdentity: "Lof\\MarketplaceGraphQl\\Model\\Resolver\\Sellers\\Identity")
 }
 
 type Mutation {