Initial commit - cleaned repository

services/statistics/backend/cache_manager.py

@@ -0,0 +1,32 @@
+"""Cache Manager for Redis"""
+import json
+import logging
+from typing import Optional, Any
+
+logger = logging.getLogger(__name__)
+
+class CacheManager:
+    """Redis cache manager"""
+    
+    def __init__(self, redis_url: str):
+        self.redis_url = redis_url
+        self.is_connected = False
+        self.cache = {}  # Simplified in-memory cache
+        
+    async def connect(self):
+        """Connect to Redis"""
+        self.is_connected = True
+        logger.info("Connected to cache")
+    
+    async def close(self):
+        """Close Redis connection"""
+        self.is_connected = False
+        logger.info("Disconnected from cache")
+    
+    async def get(self, key: str) -> Optional[str]:
+        """Get value from cache"""
+        return self.cache.get(key)
+    
+    async def set(self, key: str, value: str, expire: Optional[int] = None):
+        """Set value in cache"""
+        self.cache[key] = value