Add recipes checkpoint

py/services/recipe_cache.py

@@ -0,0 +1,51 @@
+import asyncio
+from typing import List, Dict
+from dataclasses import dataclass
+from operator import itemgetter
+
+@dataclass
+class RecipeCache:
+    """Cache structure for Recipe data"""
+    raw_data: List[Dict]
+    sorted_by_name: List[Dict]
+    sorted_by_date: List[Dict]
+    
+    def __post_init__(self):
+        self._lock = asyncio.Lock()
+
+    async def resort(self, name_only: bool = False):
+        """Resort all cached data views"""
+        async with self._lock:
+            self.sorted_by_name = sorted(
+                self.raw_data, 
+                key=lambda x: x.get('title', '').lower()  # Case-insensitive sort
+            )
+            if not name_only:
+                self.sorted_by_date = sorted(
+                    self.raw_data, 
+                    key=itemgetter('created_date', 'file_path'), 
+                    reverse=True
+                )
+    
+    async def update_recipe_metadata(self, file_path: str, metadata: Dict) -> bool:
+        """Update metadata for a specific recipe in all cached data
+        
+        Args:
+            file_path: The file path of the recipe to update
+            metadata: The new metadata
+            
+        Returns:
+            bool: True if the update was successful, False if the recipe wasn't found
+        """
+        async with self._lock:
+            # Update in raw_data
+            for item in self.raw_data:
+                if item['file_path'] == file_path:
+                    item.update(metadata)
+                    break
+            else:
+                return False  # Recipe not found
+                
+            # Resort to reflect changes
+            await self.resort()
+            return True