Addition of Wishlist functionality to API

app/code/Magento/Wishlist/Api/WishlistManagementInterface.php

@@ -0,0 +1,44 @@
+<?php
+/**
+ * Contributor company: iPragmatech solution Pvt Ltd.
+ * Contributor Author : Manish Kumar
+ * Date: 23/5/16
+ * Time: 11:55 AM
+ */
+namespace Magento\Wishlist\Api;
+
+/**
+ * Interface WishlistManagementInterface
+ * @api
+ */
+interface WishlistManagementInterface
+{
+
+    /**
+     * Return Wishlist items.
+     *
+     * @param int $customerId
+     * @return array
+     */
+    public function getWishlistForCustomer($customerId);
+
+    /**
+     * Return Added wishlist item.
+     *
+     * @param int $customerId
+     * @param int $productId
+     * @return array
+     *
+     */
+    public function addWishlistForCustomer($customerId, $productId);
+
+    /**
+     * Return Added wishlist item.
+     *
+     * @param int $customerId
+     * @param int $wishlistId
+     * @return array
+     *
+     */
+    public function deleteWishlistForCustomer($customerId, $wishlistItemId);
+}

app/code/Magento/Wishlist/Model/WishlistManagement.php

@@ -0,0 +1,227 @@
+<?php
+/**
+ * Contributor company: iPragmatech solution Pvt Ltd.
+ * Contributor Author : Manish Kumar
+ * Date: 23/5/16
+ * Time: 11:55 AM
+ */
+
+namespace Magento\Wishlist\Model;
+
+use Exception;
+use Magento\Wishlist\Api\WishlistManagementInterface;
+use Magento\Wishlist\Controller\WishlistProvider;
+use Magento\Wishlist\Model\ResourceModel\Item\CollectionFactory;
+use Magento\Wishlist\Model\WishlistFactory;
+use Magento\Catalog\Api\ProductRepositoryInterface;
+
+/**
+ * Defines the implementaiton class of the \Magento\Wishlist\Api\WishlistManagementInterface
+ */
+class WishlistManagement implements
+    \Magento\Wishlist\Api\WishlistManagementInterface
+{
+
+    /**
+     * @var CollectionFactory
+     */
+    protected $_wishlistCollectionFactory;
+
+    /**
+     * Wishlist item collection
+     * @var \Magento\Wishlist\Model\ResourceModel\Item\Collection
+     */
+    protected $_itemCollection;
+
+    /**
+     * @var WishlistRepository
+     */
+    protected $_wishlistRepository;
+
+    /**
+     * @var ProductRepository
+     */
+    protected $_productRepository;
+
+    /**
+     * @var WishlistFactory
+     */
+    protected $_wishlistFactory;
+
+    /**
+     * @var Item
+     */
+    protected $_itemFactory;
+
+    /**
+     * @param CollectionFactory $wishlistCollectionFactory
+     * @param \Magento\Catalog\Model\ProductFactory $productFactory
+     * @param \Magento\Framework\Math\Random $mathRandom
+     * @param \Magento\Framework\Stdlib\DateTime $dateTime
+     * @param ProductRepositoryInterface $productRepository
+     */
+    public function __construct(
+        \Magento\Wishlist\Model\ResourceModel\Item\CollectionFactory $wishlistCollectionFactory,
+        \Magento\Wishlist\Model\WishlistFactory $wishlistFactory,
+        \Magento\Catalog\Api\ProductRepositoryInterface $productRepository,
+        \Magento\Wishlist\Model\ItemFactory $itemFactory
+    ) {
+        $this->_wishlistCollectionFactory = $wishlistCollectionFactory;
+        $this->_productRepository = $productRepository;
+        $this->_wishlistFactory = $wishlistFactory;
+        $this->_itemFactory = $itemFactory;
+    }
+
+    /**
+     * Get wishlist collection
+     * @param int $customerId
+     * @return array WishlistData
+     */
+    public function getWishlistForCustomer($customerId)
+    {
+        if (empty($customerId) || !isset($customerId) || $customerId == "") {
+            $message = __('Id required');
+            $status = false;
+            $response[] = [
+                "message" => $message,
+                "status"  => $status
+            ];
+            return $response;
+        } else {
+            $collection =
+                $this->_wishlistCollectionFactory->create()
+                    ->addCustomerIdFilter($customerId);
+
+            $wishlistData = [];
+            foreach ($collection as $item) {
+                $productInfo = $item->getProduct()->toArray();
+                $data = [
+                    "wishlist_item_id" => $item->getWishlistItemId(),
+                    "wishlist_id"      => $item->getWishlistId(),
+                    "product_id"       => $item->getProductId(),
+                    "store_id"         => $item->getStoreId(),
+                    "added_at"         => $item->getAddedAt(),
+                    "description"      => $item->getDescription(),
+                    "qty"              => round($item->getQty()),
+                    "product"          => $productInfo
+                ];
+                $wishlistData[] = $data;
+            }
+            return $wishlistData;
+        }
+    }
+
+    /**
+     * Add wishlist item for the customer
+     * @param int $customerId
+     * @param int $productIdId
+     * @return array|bool
+     *
+     */
+    public function addWishlistForCustomer($customerId, $productId)
+    {
+        if ($productId == null) {
+            $message = __('Invalid product, Please select a valid product');
+            $status = false;
+            $response[] = [
+                "message" => $message,
+                "status"  => $status
+            ];
+            return $response;
+        }
+        try {
+            $product = $this->_productRepository->getById($productId);
+        } catch (Exception $e) {
+            return false;
+        }
+        try {
+            $wishlist = $this->_wishlistFactory->create()
+                ->loadByCustomerId($customerId, true);
+            $wishlist->addNewItem($product);
+            $wishlist->save();
+        } catch (Exception $e) {
+            return false;
+        }
+        $message = __('Item added to wishlist.');
+        $status = true;
+        $response[] = [
+            "message" => $message,
+            "status"  => $status
+        ];
+        return $response;
+    }
+
+    /**
+     * Delete wishlist item for customer
+     * @param int $customerId
+     * @param int $productIdId
+     * @return array
+     *
+     */
+    public function deleteWishlistForCustomer($customerId, $wishlistItemId)
+    {
+
+        $message = null;
+        $status = null;
+        if ($wishlistItemId == null) {
+            $message = __('Invalid wishlist item, Please select a valid item');
+            $status = false;
+            $response[] = [
+                "message" => $message,
+                "status"  => $status
+            ];
+            return $response;
+        }
+        $item = $this->_itemFactory->create()->load($wishlistItemId);
+        if (!$item->getId()) {
+            $message = __('The requested Wish List Item doesn\'t exist .');
+            $status = false;
+
+            $response[] = [
+                "message" => $message,
+                "status"  => $status
+            ];
+            return $response;
+        }
+        $wishlistId = $item->getWishlistId();
+        $wishlist = $this->_wishlistFactory->create();
+
+        if ($wishlistId) {
+            $wishlist->load($wishlistId);
+        } elseif ($customerId) {
+            $wishlist->loadByCustomerId($customerId, true);
+        }
+        if (!$wishlist) {
+            $message = __('The requested Wish List Item doesn\'t exist .');
+            $status = false;
+            $response[] = [
+                "message" => $message,
+                "status"  => $status
+            ];
+            return $response;
+        }
+        if (!$wishlist->getId() || $wishlist->getCustomerId() != $customerId) {
+            $message = __('The requested Wish List Item doesn\'t exist .');
+            $status = false;
+            $response[] = [
+                "message" => $message,
+                "status"  => $status
+            ];
+            return $response;
+        }
+        try {
+            $item->delete();
+            $wishlist->save();
+        } catch (Exception $e) {
+            return false;
+        }
+
+        $message = __(' Item has been removed from wishlist .');
+        $status = true;
+        $response[] = [
+            "message" => $message,
+            "status"  => $status
+        ];
+        return $response;
+    }
+}

app/code/Magento/Wishlist/etc/di.xml

@@ -8,6 +8,9 @@
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
     <preference for="\Magento\Wishlist\Model\AuthenticationStateInterface" type="\Magento\Wishlist\Model\AuthenticationState" />
     <preference for="\Magento\Wishlist\Controller\WishlistProviderInterface" type="\Magento\Wishlist\Controller\WishlistProvider" />
+    <!--Wishlist API preference-->
+    <preference for="\Magento\Wishlist\Api\WishlistManagementInterface" type="\Magento\Wishlist\Model\WishlistManagement" />
+    <!--Wishlist API preference End-->
     <type name="Magento\Wishlist\Model\ResourceModel\Item\Collection\Grid">
         <arguments>
             <argument name="resource" xsi:type="object">Magento\Wishlist\Model\ResourceModel\Item</argument>

app/code/Magento/Wishlist/etc/webapi.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © 2016 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ * Contributor company: iPragmatech solution Pvt Ltd.
+ * Contributor Author : Manish Kumar
+ */
+-->
+<routes xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Webapi:etc/webapi.xsd">
+
+    <route url="/V1/wishlist/items" method="GET">
+        <service class="Magento\Wishlist\Api\WishlistManagementInterface" method="getWishlistForCustomer"/>
+        <resources>
+            <resource ref="self" />
+        </resources>
+        <data>
+            <parameter name="customerId" force="true">%customer_id%</parameter>
+        </data>
+    </route>
+
+    <route url="/V1/wishlist/add/:productId" method="POST">
+        <service class="Magento\Wishlist\Api\WishlistManagementInterface" method="addWishlistForCustomer"/>
+        <resources>
+            <resource ref="self" />
+        </resources>
+        <data>
+            <parameter name="customerId" force="true">%customer_id%</parameter>
+        </data>
+    </route>
+    <route url="/V1/wishlist/delete/:wishlistItemId" method="DELETE">
+        <service class="Magento\Wishlist\Api\WishlistManagementInterface" method="deleteWishlistForCustomer"/>
+        <resources>
+            <resource ref="self" />
+        </resources>
+        <data>
+            <parameter name="customerId" force="true">%customer_id%</parameter>
+        </data>
+    </route>
+</routes>