Initial service DAV module

lib/Backends/FilesRootNode.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KTXM\ServiceDav\Backends;
+
+use KTXC\SessionIdentity;
+use KTXC\SessionTenant;
+use KTXM\DocumentsManager\Manager as DocumentsManager;
+use Sabre\DAV\Collection;
+use Sabre\DAV\Exception\Forbidden;
+use Sabre\DAV\Exception\NotFound;
+use Sabre\DAV\INode;
+
+/**
+ * The root WebDAV collection for a user's files.
+ *
+ * Structure:  /dav/files/{providerLabel}/{serviceLabel}/...
+ *
+ * Each provider+service combination becomes a top-level folder.
+ */
+class FilesRootNode extends Collection
+{
+    public function __construct(
+        private readonly DocumentsManager $manager,
+        private readonly SessionIdentity $identity,
+        private readonly SessionTenant $tenant,
+    ) {}
+
+    public function getName(): string
+    {
+        return 'files';
+    }
+
+    /** @return INode[] */
+    public function getChildren(): array
+    {
+        $nodes = [];
+        $services = $this->manager->serviceList($this->tenant->identifier(), $this->identity->identifier());
+
+        foreach ($services as $providerId => $providerServices) {
+            foreach ($providerServices as $serviceId => $service) {
+                $nodes[] = new FilesServiceNode(
+                    $service,
+                );
+            }
+        }
+
+        return $nodes;
+    }
+
+    public function createDirectory($name): void
+    {
+        throw new Forbidden('Cannot create a provider root directory');
+    }
+}