Implement caching of query dto

src/Service/RequestDtoCache.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace App\Service;
+
+use App\Dto\CachableDtoInterface;
+use InvalidArgumentException;
+use ReflectionClass;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
+use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
+
+class RequestDtoCache implements ValueResolverInterface
+{
+    private const string SESSION_CACHE_PREFIX = 'dto.';
+
+    public function resolve(Request $request, ArgumentMetadata $argument): iterable
+    {
+        $session = $request->getSession();
+        $className = $argument->getType();
+        if (!$className || !is_subclass_of($className, CachableDtoInterface::class)
+        ) {
+            return [];
+        }
+
+        $reflection = new ReflectionClass($className);
+        $constructor = $reflection->getConstructor();
+
+        if (!$constructor) {
+            return []; // No constructor: return empty instance
+        }
+
+        $cacheKey = self::SESSION_CACHE_PREFIX . (implode('.', [
+                $argument->getControllerName(),
+                $argument->getName(),
+                $className,
+            ]));
+
+        $cacheData = $session->get($cacheKey, []);
+        $queryData = $request->query->all();
+        $params = $constructor->getParameters();
+        $args = [];
+
+        foreach ($params as $param) {
+            $name = $param->getName();
+            if (array_key_exists($name, $queryData)) {
+                $args[$name] = $queryData[$name];
+            } elseif (array_key_exists($name, $cacheData)) {
+                $args[$name] = $cacheData[$name];
+            } elseif ($param->isDefaultValueAvailable()) {
+                $args[$name] = $param->getDefaultValue();
+            } else {
+                throw new InvalidArgumentException(sprintf('Missing required parameter "%s" for class "%s"', $name, $className));
+            }
+        }
+
+        // Store the cache data in the session
+        $session->set($cacheKey, $args);
+
+        yield $reflection->newInstanceArgs($args);
+    }
+}