5343 Updated wishlist resolver and schema to support pagination

src/Model/Resolver/WishlistItemsResolver.php

@@ -182,7 +182,8 @@ public function resolve(
 
         /** @var Wishlist $wishlist */
         $wishlist = $value['model'];
-        $wishlistItems = $this->getWishListItems($wishlist);
+        $wishlistCollection = $this->getWishlistCollection($wishlist, $args);
+        $wishlistItems = $wishlistCollection->getItems();
         $itemProductIds = [];
 
         foreach ($wishlistItems as $item) {
@@ -225,13 +226,20 @@ public function resolve(
                 'buy_request' => $buyRequestOption->getValue() ?? '',
                 'description' => $wishlistItem->getDescription(),
                 'added_at' => $wishlistItem->getAddedAt(),
-                'model' => $wishlistItem,
+                'model' => $product,
                 'product' => $itemProduct,
                 'options' => $options
             ];
         }
 
-        return $data;
+        return [
+            'items' => $data,
+            'page_info' => [
+                'current_page' => $wishlistCollection->getCurPage(),
+                'page_size' => $wishlistCollection->getPageSize(),
+                'total_pages' => $wishlistCollection->getLastPageNumber()
+            ]
+        ];
     }
 
     /**
@@ -313,30 +321,39 @@ protected function getWishlistProducts(
         $collection = $this->collectionFactory->create();
         $collection->addIdFilter(array_values($itemProductIds));
 
+        $itemsNode = array_filter(iterator_to_array($info->fieldNodes), function ($node) {
+            return $node->name->value === 'items_v2';
+        })[0];
+
         $this->collectionProcessor->process(
             $collection,
             $this->searchCriteriaBuilder->create(),
-            $this->getFieldsFromProductInfo($info, 'items/product')
+            $this->getFieldsFromProductInfo($itemsNode, 'items/product')
         );
 
         $items = $collection->getItems();
 
         return $this->productPostProcessor->process(
             $items,
             'items/product',
-            $info
+            $itemsNode
         );
     }
 
     /**
-     * Get wish-list items
+     * Get wishlist items collection
      *
      * @param Wishlist $wishlist
-     * @return Item[]
+     * @param array $args
+     * @return \Magento\Wishlist\Model\ResourceModel\Item\Collection
      */
-    protected function getWishListItems(
-        Wishlist $wishlist
-    ): array {
+    protected function getWishlistCollection(
+        Wishlist $wishlist,
+        array $args
+    ): \Magento\Wishlist\Model\ResourceModel\Item\Collection {
+        $currentPage = $args['currentPage'] ?? 1;
+        $pageSize = $args['pageSize'] ?? 20;
+
         /** @var WishlistItemCollection $collection */
         $collection = $this->wishlistItemsFactory->create();
         $collection
@@ -346,7 +363,15 @@ protected function getWishListItems(
             }, $this->storeManager->getStores()))
             ->setVisibilityFilter();
 
-        return $collection->getItems();
+        if ($currentPage > 0) {
+            $collection->setCurPage($currentPage);
+        }
+
+        if ($pageSize > 0) {
+            $collection->setPageSize($pageSize);
+        }
+
+        return $collection;
     }
 
     /**

src/etc/di.xml

@@ -14,4 +14,6 @@
                 type="ScandiPWA\WishlistGraphQl\Model\Resolver\WishlistResolver"/>
     <preference for="Magento\WishlistGraphQl\Model\Resolver\WishlistItemsResolver"
                 type="ScandiPWA\WishlistGraphQl\Model\Resolver\WishlistItemsResolver"/>
+    <preference for="Magento\WishlistGraphQl\Model\Resolver\WishlistItems"
+                type="ScandiPWA\WishlistGraphQl\Model\Resolver\WishlistItemsResolver"/>
 </config>

src/etc/schema.graphqls

@@ -20,7 +20,7 @@ type Mutation {
 }
 
 type Query {
-    s_wishlist(sharing_code: ID): WishlistOutput @resolver(class: "\\ScandiPWA\\WishlistGraphQl\\Model\\Resolver\\WishlistResolver")
+    s_wishlist(sharing_code: ID): Wishlist @resolver(class: "\\ScandiPWA\\WishlistGraphQl\\Model\\Resolver\\WishlistResolver")
 }
 
 input WishlistItemInput {
@@ -36,16 +36,20 @@ input ShareWishlistInput {
     message: String @doc(description: "Sharing message")
 }
 
-extend type WishlistOutput {
+extend type Wishlist {
     id: ID @resolver(class: "\\ScandiPWA\\WishlistGraphQl\\Model\\Resolver\\Wishlist\\IdResolver")
     creators_name: String @resolver(class: "\\ScandiPWA\\WishlistGraphQl\\Model\\Resolver\\Wishlist\\CreatorResolver") @doc(description: "Name of wishlist creator")
 }
 
+extend type WishlistItems {
+    items: [WishlistItem] @doc(description: "A list of items in the wish list.")
+}
+
 extend type WishlistItem {
     sku: ID @doc(description: "The wish list item's SKU")
-    price: Float @doc(description: "Product price based on selected options") 
-    price_without_tax: Float @doc(description: "Product price without tax based on selected options") 
-    buy_request: String @doc(description: "Configurations to place order with selected options") 
+    price: Float @doc(description: "Product price based on selected options")
+    price_without_tax: Float @doc(description: "Product price without tax based on selected options")
+    buy_request: String @doc(description: "Configurations to place order with selected options")
     options: [WishlistItemOption]
 }