From 0cf083181033d23c08d3bcb4b23199da9526fdfc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20L=C3=B8vgaard?= <joachim@loevgaard.dk>
Date: Tue, 3 Dec 2024 10:28:06 +0100
Subject: [PATCH] Create a cached wishlist checker

---
 src/Checker/CachedWishlistChecker.php     | 29 +++++++++++++++++++++++
 src/Resources/config/services/checker.xml |  5 ++++
 2 files changed, 34 insertions(+)
 create mode 100644 src/Checker/CachedWishlistChecker.php

diff --git a/src/Checker/CachedWishlistChecker.php b/src/Checker/CachedWishlistChecker.php
new file mode 100644
index 0000000..7737d1b
--- /dev/null
+++ b/src/Checker/CachedWishlistChecker.php
@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Setono\SyliusWishlistPlugin\Checker;
+
+use Sylius\Component\Core\Model\ProductInterface;
+use Sylius\Component\Core\Model\ProductVariantInterface;
+
+final class CachedWishlistChecker implements WishlistCheckerInterface
+{
+    /** @var array<string, bool> */
+    private array $cache = [];
+
+    public function __construct(private readonly WishlistCheckerInterface $decorated)
+    {
+    }
+
+    public function onWishlist(ProductInterface|ProductVariantInterface $product): bool
+    {
+        $key = spl_object_hash($product);
+
+        if (!array_key_exists($key, $this->cache)) {
+            $this->cache[$key] = $this->decorated->onWishlist($product);
+        }
+
+        return $this->cache[$key];
+    }
+}
diff --git a/src/Resources/config/services/checker.xml b/src/Resources/config/services/checker.xml
index ec6d95a..8af5d25 100644
--- a/src/Resources/config/services/checker.xml
+++ b/src/Resources/config/services/checker.xml
@@ -8,5 +8,10 @@
         <service id="Setono\SyliusWishlistPlugin\Checker\WishlistChecker">
             <argument type="service" id="Setono\SyliusWishlistPlugin\Provider\WishlistProviderInterface"/>
         </service>
+
+        <service id="Setono\SyliusWishlistPlugin\Checker\CachedWishlistChecker"
+                 decorates="Setono\SyliusWishlistPlugin\Checker\WishlistCheckerInterface" decoration-priority="64">
+            <argument type="service" id="Setono\SyliusWishlistPlugin\Checker\CachedWishlistChecker.inner"/>
+        </service>
     </services>
 </container>