watch service

src/basic_memory/sync/utils.py

@@ -2,6 +2,38 @@
 
 from dataclasses import dataclass, field
 from typing import Set, Dict, Optional
+from watchfiles import Change
+from basic_memory.services.file_service import FileService
+
+
+@dataclass
+class FileChange:
+    """A change to a file detected by the watch service.
+    
+    Attributes:
+        change_type: Type of change (added, modified, deleted)
+        path: Path to the file
+        checksum: File checksum (None for deleted files)
+    """
+    change_type: Change
+    path: str
+    checksum: Optional[str] = None
+
+    @classmethod
+    async def from_path(cls, path: str, change_type: Change, file_service: FileService) -> "FileChange":
+        """Create FileChange from a path, computing checksum if file exists.
+        
+        Args:
+            path: Path to the file
+            change_type: Type of change detected
+            file_service: Service to read file and compute checksum
+            
+        Returns:
+            FileChange with computed checksum for non-deleted files
+        """
+        file_path = file_service.path(path)
+        content, checksum = await file_service.read_file(file_path) if change_type != Change.deleted else (None, None)
+        return cls(path=file_path, change_type=change_type, checksum=checksum)
 
 
 @dataclass
@@ -18,7 +50,7 @@ class SyncReport:
     new: Set[str] = field(default_factory=set)
     modified: Set[str] = field(default_factory=set)
     deleted: Set[str] = field(default_factory=set)
-    moves: Dict[str, str] = field(default_factory=dict)  # old_path -> new_path
+    moves: Dict[str, str] = field(default_factory=dict)  # old_path -> new_path  
     checksums: Dict[str, str] = field(default_factory=dict)
 
     @property