Add move operation, fix fuse server

trovedb/trovedb.py

@@ -5,7 +5,7 @@ Implements BlobNote, TreeNote, and Trove protocols defined in trove.py.
 Depends on db.py (Sqlite3Trove) for storage.
 """
 
-from typing import Optional, Iterator
+from typing import Optional, Iterator, override
 from pathlib import Path
 import datetime as dt
 import uuid
@@ -78,6 +78,7 @@ class NoteImpl(Note):
         """Create a new child note."""
         content = content if content is not None else b""
         object_id = self._db.write_blob(data=content, object_id=None, dtype=mime, executable=executable, hidden=hidden)
+        self._db.link(self._object_id, name, object_id)
         # TODO fix this
         if mime == 'inode/directory':
             return TreeNoteImpl(self._parent, object_id)
@@ -139,7 +140,7 @@ class TreeNoteImpl(NoteImpl, TreeNote):
 # Trove
 # ---------------------------------------------------------------------------
 
-class TroveImpl:
+class TroveImpl(Trove):
     """
     Concrete Trove: top-level API backed by a Sqlite3Trove database.
 
@@ -179,6 +180,17 @@ class TroveImpl:
             return TreeNoteImpl(self, note_id)
         return NoteImpl(self, note_id)
 
+    @override
+    def move(self, src_parent: Note, src_name: str, dst_parent: Note, dst_name: str, overwrite: bool):
+        """Move a child note to a new location."""
+        src_note = src_parent.child(src_name)
+        if not isinstance(src_note, NoteImpl):
+            raise tr.ErrorBadType("not a valid DB note")
+        if not isinstance(dst_parent, NoteImpl):
+            raise tr.ErrorBadType("not a valid DB note")
+        self._db.link(dst_parent.object_id, dst_name, src_note.object_id)
+        self._db.unlink(src_parent.object_id, src_name)
+
     def create_blob(self, data: bytes | None = None,
                     dtype: str = "application/octet-stream") -> Note:
         """Create a new blob object and return a BlobNote for it."""