fix cleanup of bucket directories

src/Service/S3Service.php

@@ -79,10 +79,10 @@ class S3Service
         $this->entityManager->remove($bucket);
         $this->entityManager->flush();
 
-        // Remove bucket directory if empty
+        // Remove bucket directory and any leftover sub directories
         $bucketPath = $this->storageBasePath . '/' . $bucket->getName();
-        if (is_dir($bucketPath) && count(scandir($bucketPath)) === 2) { // Only . and ..
+        if (is_dir($bucketPath)) {
-            rmdir($bucketPath);
+            $this->removeDirectoryRecursively($bucketPath);
         }
 
         return true;
@@ -158,6 +158,8 @@ class S3Service
         // Delete file
         if (file_exists($fullPath)) {
             unlink($fullPath);
+            // Clean up empty directories created for the object
+            $this->removeEmptyParentDirectories(dirname($fullPath), $this->storageBasePath . '/' . $object->getBucket()->getName());
         }
 
         // Remove database record
@@ -427,4 +429,41 @@ class S3Service
         // Simplified signature calculation - implement full AWS Signature V4 here
         return hash_hmac('sha256', $bucketName . $objectKey . serialize($params), $secretKey);
     }
+
+    /**
+     * Recursively remove empty parent directories up to a given path.
+     */
+    private function removeEmptyParentDirectories(string $path, string $stopAt): void
+    {
+        while (str_starts_with($path, $stopAt) && $path !== $stopAt) {
+            if (!is_dir($path) || count(scandir($path)) > 2) {
+                break;
+            }
+
+            rmdir($path);
+            $path = dirname($path);
+        }
+    }
+
+    /**
+     * Remove a directory and all of its content.
+     */
+    private function removeDirectoryRecursively(string $dir): void
+    {
+        if (!is_dir($dir)) {
+            return;
+        }
+
+        $items = array_diff(scandir($dir), ['.', '..']);
+        foreach ($items as $item) {
+            $path = $dir . '/' . $item;
+            if (is_dir($path)) {
+                $this->removeDirectoryRecursively($path);
+            } else {
+                unlink($path);
+            }
+        }
+
+        rmdir($dir);
+    }
 }