feat(storage): support remove old files

app/storage/cloudflare_r2.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from urllib.parse import urlparse
+
 from .aws_s3 import AWSS3StorageService
 
 
@@ -24,3 +26,18 @@ class CloudflareR2StorageService(AWSS3StorageService):
     @property
     def endpoint_url(self) -> str:
         return f"https://{self.account_id}.r2.cloudflarestorage.com"
+
+    def get_file_name_by_url(self, url: str) -> str | None:
+        if not url:
+            return None
+
+        parsed = urlparse(url)
+        path = parsed.path.lstrip("/")
+
+        if self.public_url_base and url.startswith(self.public_url_base.rstrip("/")):
+            return path
+
+        if ".r2.cloudflarestorage.com" in parsed.netloc:
+            return path
+
+        return path or None