Filtering based on pathspec

src/haiku/rag/app.py

@@ -474,9 +474,7 @@ class HaikuRAGApp:
 
             # Start file monitor if enabled
             if enable_monitor:
-                monitor = FileWatcher(
+                monitor = FileWatcher(client=client)
-                    paths=Config.storage.monitor_directories, client=client
-                )
                 monitor_task = asyncio.create_task(monitor.observe())
                 tasks.append(monitor_task)
 

src/haiku/rag/monitor.py

@@ -2,9 +2,12 @@ import logging
 from pathlib import Path
 from typing import TYPE_CHECKING
 
+import pathspec
+from pathspec.patterns.gitwildmatch import GitWildMatchPattern
 from watchfiles import Change, DefaultFilter, awatch
 
 from haiku.rag.client import HaikuRAG
+from haiku.rag.config import AppConfig, Config
 from haiku.rag.store.models.document import Document
 
 if TYPE_CHECKING:
@@ -14,25 +17,63 @@ logger = logging.getLogger(__name__)
 
 
 class FileFilter(DefaultFilter):
-    def __init__(self, *, ignore_paths: list[Path] | None = None) -> None:
+    def __init__(
+        self,
+        *,
+        ignore_patterns: list[str] | None = None,
+        include_patterns: list[str] | None = None,
+    ) -> None:
         # Lazy import to avoid loading docling
         from haiku.rag.reader import FileReader
 
         self.extensions = tuple(FileReader.extensions)
-        super().__init__(ignore_paths=ignore_paths)
+        self.ignore_spec = (
+            pathspec.PathSpec.from_lines(GitWildMatchPattern, ignore_patterns)
+            if ignore_patterns
+            else None
+        )
+        self.include_spec = (
+            pathspec.PathSpec.from_lines(GitWildMatchPattern, include_patterns)
+            if include_patterns
+            else None
+        )
+        super().__init__()
 
     def __call__(self, change: Change, path: str) -> bool:
-        return path.endswith(self.extensions) and super().__call__(change, path)
+        # Check extension filter
+        if not path.endswith(self.extensions):
+            return False
+
+        # Apply include patterns if specified (whitelist mode)
+        if self.include_spec:
+            if not self.include_spec.match_file(path):
+                return False
+
+        # Apply ignore patterns (blacklist mode)
+        if self.ignore_spec:
+            if self.ignore_spec.match_file(path):
+                return False
+
+        # Apply default watchfiles filter
+        return super().__call__(change, path)
 
 
 class FileWatcher:
-    def __init__(self, paths: list[Path], client: HaikuRAG):
+    def __init__(
-        self.paths = paths
+        self,
+        client: HaikuRAG,
+        config: AppConfig = Config,
+    ):
+        self.paths = config.storage.monitor_directories
         self.client = client
+        self.ignore_patterns = config.storage.monitor_ignore_patterns or None
+        self.include_patterns = config.storage.monitor_include_patterns or None
 
     async def observe(self):
         logger.info(f"Watching files in {self.paths}")
-        filter = FileFilter()
+        filter = FileFilter(
+            ignore_patterns=self.ignore_patterns, include_patterns=self.include_patterns
+        )
         await self.refresh()
 
         async for changes in awatch(*self.paths, watch_filter=filter):
@@ -49,10 +90,17 @@ class FileWatcher:
         # Lazy import to avoid loading docling
         from haiku.rag.reader import FileReader
 
+        # Create filter to apply same logic as observe()
+        filter = FileFilter(
+            ignore_patterns=self.ignore_patterns, include_patterns=self.include_patterns
+        )
+
         for path in self.paths:
             for f in Path(path).rglob("**/*"):
                 if f.is_file() and f.suffix in FileReader.extensions:
-                    await self._upsert_document(f)
+                    # Apply pattern filters
+                    if filter(Change.added, str(f)):
+                        await self._upsert_document(f)
 
     async def _upsert_document(self, file: Path) -> Document | None:
         try:

tests/test_monitor.py

@@ -5,6 +5,7 @@ from unittest.mock import AsyncMock
 import pytest
 
 from haiku.rag.client import HaikuRAG
+from haiku.rag.config import AppConfig, StorageConfig
 from haiku.rag.monitor import FileWatcher
 from haiku.rag.store.models.document import Document
 
@@ -22,7 +23,10 @@ async def test_file_watcher_upsert_document():
         mock_client.create_document_from_source.return_value = mock_doc
         mock_client.get_document_by_uri.return_value = None  # No existing document
 
-        watcher = FileWatcher(paths=[temp_path.parent], client=mock_client)
+        test_config = AppConfig(
+            storage=StorageConfig(monitor_directories=[temp_path.parent])
+        )
+        watcher = FileWatcher(client=mock_client, config=test_config)
 
         result = await watcher._upsert_document(temp_path)
 
@@ -49,7 +53,10 @@ async def test_file_watcher_upsert_existing_document():
         mock_client.get_document_by_uri.return_value = existing_doc
         mock_client.create_document_from_source.return_value = updated_doc
 
-        watcher = FileWatcher(paths=[temp_path.parent], client=mock_client)
+        test_config = AppConfig(
+            storage=StorageConfig(monitor_directories=[temp_path.parent])
+        )
+        watcher = FileWatcher(client=mock_client, config=test_config)
 
         result = await watcher._upsert_document(temp_path)
 
@@ -69,7 +76,10 @@ async def test_file_watcher_delete_document():
     mock_client.get_document_by_uri.return_value = existing_doc
     mock_client.delete_document.return_value = True
 
-    watcher = FileWatcher(paths=[temp_path.parent], client=mock_client)
+    test_config = AppConfig(
+        storage=StorageConfig(monitor_directories=[temp_path.parent])
+    )
+    watcher = FileWatcher(client=mock_client, config=test_config)
 
     await watcher._delete_document(temp_path)
 
@@ -85,7 +95,10 @@ async def test_file_watcher_delete_nonexistent_document():
     mock_client = AsyncMock(spec=HaikuRAG)
     mock_client.get_document_by_uri.return_value = None
 
-    watcher = FileWatcher(paths=[temp_path.parent], client=mock_client)
+    test_config = AppConfig(
+        storage=StorageConfig(monitor_directories=[temp_path.parent])
+    )
+    watcher = FileWatcher(client=mock_client, config=test_config)
 
     await watcher._delete_document(temp_path)