refactor: extract should_include_path to utils module to resolve circular import between indexer and attachment_indexer

backend/utils.py

@@ -0,0 +1,35 @@
+"""Utility functions shared across backend modules."""
+from typing import Dict, Any, Tuple
+
+
+def should_include_path(rel_parts: Tuple[str, ...], vault_config: Dict[str, Any]) -> bool:
+    """Check if a path should be included based on hidden files configuration.
+    
+    Args:
+        rel_parts: Tuple of path parts relative to vault root
+        vault_config: Vault configuration dict with includeHidden and hiddenWhitelist
+        
+    Returns:
+        True if the path should be included, False otherwise
+    """
+    include_hidden = vault_config.get("includeHidden", False)
+    hidden_whitelist = vault_config.get("hiddenWhitelist", [])
+    
+    # Check if any part of the path starts with a dot (hidden)
+    hidden_parts = [part for part in rel_parts if part.startswith(".")]
+    
+    if not hidden_parts:
+        # No hidden parts, always include
+        return True
+    
+    if include_hidden:
+        # Include all hidden files/folders
+        return True
+    
+    # Check if any hidden part is in the whitelist
+    for hidden_part in hidden_parts:
+        if hidden_part in hidden_whitelist:
+            return True
+    
+    # Not in whitelist and includeHidden is False
+    return False