perf: Merge library scanning with unlinked entry detection

src/tagstudio/core/library/alchemy/library.py

@@ -1006,6 +1006,10 @@ def has_path_entry(self, path: Path) -> bool:
         with Session(self.engine) as session:
             return session.query(exists().where(Entry.path == path)).scalar()
 
+    def all_paths(self) -> Iterable[tuple[int, Path]]:
+        with Session(self.engine) as session:
+            return ((i, p) for i, p in session.execute(select(Entry.id, Entry.path)).all())
+
     def get_paths(self, limit: int = -1) -> list[str]:
         path_strings: list[str] = []
         with Session(self.engine) as session:
@@ -1170,6 +1174,23 @@ def update_entry_path(self, entry_id: int | Entry, path: Path) -> bool:
             session.commit()
         return True
 
+    def update_entry_paths(self, paths: Iterable[tuple[int, Path]]) -> bool:
+        """Set the path field of many entries.
+
+        Returns True if the action succeeded and False if any path already exists.
+        """
+        with Session(self.engine) as session:
+            for entry_id, new_path in paths:
+                stmt = update(Entry).where(Entry.id == entry_id).values(path=new_path)
+                session.execute(stmt)
+            try:
+                session.commit()
+            except IntegrityError as e:
+                logger.error(e)
+                session.rollback()
+                return False
+        return True
+
     def remove_tag(self, tag_id: int) -> bool:
         with Session(self.engine, expire_on_commit=False) as session:
             try:

src/tagstudio/core/library/ignore.py

@@ -14,7 +14,7 @@
 
 logger = structlog.get_logger()
 
-PATH_GLOB_FLAGS = glob.GLOBSTARLONG | glob.DOTGLOB | glob.NEGATE | pathlib.MATCHBASE
+PATH_GLOB_FLAGS = glob.GLOBSTARLONG | glob.DOTGLOB | glob.NEGATE | pathlib.MATCHBASE | pathlib.NODIR
 
 
 GLOBAL_IGNORE = [