Initial service DAV module

lib/Backends/FilesServiceNode.php

@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+namespace KTXM\ServiceDav\Backends;
+
+use KTXF\Documents\Service\ServiceBaseInterface;
+use KTXF\Documents\Service\ServiceCollectionMutableInterface;
+use Sabre\DAV\Collection;
+use Sabre\DAV\Exception\Forbidden;
+use Sabre\DAV\INode;
+
+/**
+ * A service-level WebDAV collection.
+ *
+ * Maps one (providerId, serviceId) pair → a DAV folder whose children are
+ * the root-level document collections exposed by that service.
+ */
+class FilesServiceNode extends Collection
+{
+    public function __construct(
+        private readonly ServiceBaseInterface $service,
+    ) {}
+
+    public function getName(): string
+    {
+        return $this->service->getLabel();
+    }
+
+    /** @return INode[] */
+    public function getChildren(): array
+    {
+        $nodes = [];
+
+        $collections = $this->service->collectionList(null);
+        foreach ($collections as $collection) {
+            $nodes[] = new FilesCollectionNode(
+                $this->service,
+                $collection,
+            );
+        }
+
+        /** @var \KTXF\Documents\Entity\EntityBaseInterface[] $entities */
+        $entities = $this->service->entityListBulk(null);
+        foreach ($entities as $entity) {
+            if (is_object($entity)) {
+                $nodes[] = new FilesEntityNode(
+                    $this->service,
+                    $entity,
+                );
+            }
+        }
+
+        return $nodes;
+    }
+
+    public function createDirectory($name): void
+    {
+        if (!$this->service instanceof ServiceCollectionMutableInterface) {
+            throw new Forbidden('Service does not support collection creation');
+        }
+
+        $properties = $this->service->collectionFresh()->getProperties();
+        $properties->setLabel($name);
+        $this->service->collectionCreate(null, $properties);
+    }
+}