Convert guest wishlist to user wishlist upon login

src/EventSubscriber/ConvertGuestWishlistToUserWishlistSubscriber.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Setono\SyliusWishlistPlugin\EventSubscriber;
+
+use Doctrine\Persistence\ManagerRegistry;
+use Setono\Doctrine\ORMTrait;
+use Setono\SyliusWishlistPlugin\Model\GuestWishlistInterface;
+use Setono\SyliusWishlistPlugin\Provider\WishlistProviderInterface;
+use Sylius\Component\User\Model\UserInterface;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\Security\Http\Event\LoginSuccessEvent;
+use Webmozart\Assert\Assert;
+
+/**
+ * When the user logs in, we want to convert the guest wishlist to a user wishlist
+ */
+final class ConvertGuestWishlistToUserWishlistSubscriber implements EventSubscriberInterface
+{
+    use ORMTrait;
+
+    public function __construct(
+        private readonly WishlistProviderInterface $guestWishlistProvider,
+        ManagerRegistry $managerRegistry,
+    ) {
+        $this->managerRegistry = $managerRegistry;
+    }
+
+    public static function getSubscribedEvents(): array
+    {
+        return [
+            LoginSuccessEvent::class => 'onLoginSuccess',
+        ];
+    }
+
+    public function onLoginSuccess(LoginSuccessEvent $event): void
+    {
+        $user = $event->getUser();
+        Assert::isInstanceOf($user, UserInterface::class);
+
+        foreach ($this->guestWishlistProvider->getWishlists() as $guestWishlist) {
+            if (!$guestWishlist instanceof GuestWishlistInterface || !$guestWishlist->hasItems()) {
+                continue;
+            }
+
+            $guestWishlist->convertToUserWishlist($user);
+
+            $this->getManager($guestWishlist)->flush();
+        }
+    }
+}

src/Model/GuestWishlist.php

@@ -4,6 +4,8 @@
 
 namespace Setono\SyliusWishlistPlugin\Model;
 
+use Sylius\Component\User\Model\UserInterface;
+
 class GuestWishlist extends Wishlist implements GuestWishlistInterface
 {
     protected ?string $clientId = null;
@@ -17,4 +19,9 @@ public function setClientId(?string $clientId): void
     {
         $this->clientId = $clientId;
     }
+
+    public function convertToUserWishlist(UserInterface $user): void
+    {
+        $this->user = $user;
+    }
 }

src/Model/GuestWishlistInterface.php

@@ -4,9 +4,13 @@
 
 namespace Setono\SyliusWishlistPlugin\Model;
 
+use Sylius\Component\User\Model\UserInterface;
+
 interface GuestWishlistInterface extends WishlistInterface
 {
     public function getClientId(): ?string;
 
     public function setClientId(?string $clientId): void;
+
+    public function convertToUserWishlist(UserInterface $user): void;
 }

src/Model/UserWishlist.php

@@ -8,8 +8,6 @@
 
 class UserWishlist extends Wishlist implements UserWishlistInterface
 {
-    protected ?UserInterface $user = null;
-
     public function getUser(): ?UserInterface
     {
         return $this->user;

src/Model/Wishlist.php

@@ -8,6 +8,7 @@
 use Doctrine\Common\Collections\Collection;
 use Sylius\Component\Core\Model\ProductInterface;
 use Sylius\Component\Core\Model\ProductVariantInterface;
+use Sylius\Component\User\Model\UserInterface;
 use Sylius\Resource\Model\TimestampableTrait;
 use Symfony\Component\Uid\Uuid;
 
@@ -21,6 +22,8 @@ abstract class Wishlist implements WishlistInterface
 
     protected ?string $name = null;
 
+    protected ?UserInterface $user = null;
+
     /** @var Collection<array-key, WishlistItemInterface> */
     protected Collection $items;
 
@@ -50,6 +53,11 @@ public function setName(?string $name): void
         $this->name = $name;
     }
 
+    public function hasItems(): bool
+    {
+        return !$this->items->isEmpty();
+    }
+
     public function addItem(WishlistItemInterface $item): void
     {
         if (!$this->hasItem($item)) {

src/Model/WishlistInterface.php

@@ -20,6 +20,8 @@ public function getName(): ?string;
 
     public function setName(?string $name): void;
 
+    public function hasItems(): bool;
+
     public function addItem(WishlistItemInterface $item): void;
 
     public function removeItem(WishlistItemInterface $item): void;

src/Resources/config/doctrine/model/UserWishlist.orm.xml

@@ -5,8 +5,5 @@
                   xsi:schemaLocation="http://doctrine-project.org/schemas/orm/doctrine-mapping
                                       http://doctrine-project.org/schemas/orm/doctrine-mapping.xsd">
     <entity name="Setono\SyliusWishlistPlugin\Model\UserWishlist">
-        <many-to-one field="user" target-entity="Sylius\Component\User\Model\UserInterface">
-            <join-column name="user_id" referenced-column-name="id" nullable="true" on-delete="CASCADE"/>
-        </many-to-one>
     </entity>
 </doctrine-mapping>

src/Resources/config/doctrine/model/Wishlist.orm.xml

@@ -19,6 +19,10 @@
         <field name="uuid" type="string" unique="true"/>
         <field name="name" type="string"/>
 
+        <many-to-one field="user" target-entity="Sylius\Component\User\Model\UserInterface">
+            <join-column name="user_id" referenced-column-name="id" nullable="true" on-delete="CASCADE"/>
+        </many-to-one>
+
         <one-to-many field="items" target-entity="Setono\SyliusWishlistPlugin\Model\WishlistItemInterface"
                      mapped-by="wishlist" orphan-removal="true" fetch="EXTRA_LAZY">
             <cascade>

src/Resources/config/services.xml

@@ -4,6 +4,7 @@
     <imports>
         <import resource="services/controller.xml"/>
         <import resource="services/event_listener.xml"/>
+        <import resource="services/event_subscriber.xml"/>
         <import resource="services/factory.xml"/>
         <import resource="services/form.xml"/>
         <import resource="services/provider.xml"/>

src/Resources/config/services/event_subscriber.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<container xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://symfony.com/schema/dic/services"
+           xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
+    <services>
+        <service id="Setono\SyliusWishlistPlugin\EventSubscriber\ConvertGuestWishlistToUserWishlistSubscriber">
+            <argument type="service" id="Setono\SyliusWishlistPlugin\Provider\WishlistProviderInterface"/>
+            <argument type="service" id="doctrine"/>
+
+            <tag name="kernel.event_subscriber"/>
+        </service>
+    </services>
+</container>