WIP add collection action endpoint

src/Endpoint/CollectionAction.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace Tobyz\JsonApiServer\Endpoint;
+
+use Closure;
+use Nyholm\Psr7\Response;
+use Psr\Http\Message\ResponseInterface;
+use Tobyz\JsonApiServer\Context;
+use Tobyz\JsonApiServer\Exception\ForbiddenException;
+use Tobyz\JsonApiServer\Exception\MethodNotAllowedException;
+use Tobyz\JsonApiServer\OpenApi\OpenApiPathsProvider;
+use Tobyz\JsonApiServer\Resource\Collection;
+use Tobyz\JsonApiServer\Schema\Concerns\HasDescription;
+use Tobyz\JsonApiServer\Schema\Concerns\HasVisibility;
+
+class CollectionAction implements Endpoint, OpenApiPathsProvider
+{
+    use HasVisibility;
+    use HasDescription;
+
+    public string $method = 'POST';
+
+    public function __construct(public string $name, public Closure $handler)
+    {
+    }
+
+    public static function make(string $name, Closure $handler): static
+    {
+        return new static($name, $handler);
+    }
+
+    public function method(string $method): static
+    {
+        $this->method = strtoupper($method);
+
+        return $this;
+    }
+
+    public function handle(Context $context): ?ResponseInterface
+    {
+        $segments = explode('/', $context->path());
+
+        if (count($segments) !== 2 || $segments[1] !== $this->name) {
+            return null;
+        }
+
+        if ($context->request->getMethod() !== $this->method) {
+            throw new MethodNotAllowedException();
+        }
+
+        if (!$this->isVisible($context)) {
+            throw new ForbiddenException();
+        }
+
+        ($this->handler)($context);
+
+        return new Response(204);
+    }
+
+    public function getOpenApiPaths(Collection $collection): array
+    {
+        return [
+            "/{$collection->name()}/$this->name" => [
+                'post' => [
+                    'description' => $this->getDescription(),
+                    'tags' => [$collection->name()],
+                    'responses' => [
+                        '204' => [],
+                    ],
+                ],
+            ],
+        ];
+    }
+}