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f171e60 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | from typing import Optional, Any
from app.core.cache.base import BaseCache
from app.core.cache.memory import MemoryCache
from app.core.cache.redis import RedisCache
from app.config import settings
from app.utils.logger import logger
class CacheManager:
"""
Manager để quản lý cache implementation
"""
def __init__(self):
self._cache: Optional[BaseCache] = None
self._initialize_cache()
def _initialize_cache(self):
"""Initialize cache based on settings"""
if not settings.CACHE_ENABLED:
logger.info("Cache disabled")
return
if settings.CACHE_TYPE == "redis":
try:
self._cache = RedisCache()
logger.info("Using Redis cache")
except Exception as e:
logger.warning(f"Redis cache failed, falling back to memory: {e}")
self._cache = MemoryCache()
else:
self._cache = MemoryCache()
logger.info("Using memory cache")
@property
def cache(self) -> Optional[BaseCache]:
"""Get cache instance"""
return self._cache
async def get(self, key: str) -> Optional[Any]:
"""Get from cache"""
if not self._cache:
return None
return await self._cache.get(key)
async def set(self, key: str, value: Any, ttl: Optional[int] = None) -> bool:
"""Set to cache"""
if not self._cache:
return False
return await self._cache.set(key, value, ttl)
async def delete(self, key: str) -> bool:
"""Delete from cache"""
if not self._cache:
return False
return await self._cache.delete(key)
async def clear(self) -> bool:
"""Clear cache"""
if not self._cache:
return False
return await self._cache.clear()
async def exists(self, key: str) -> bool:
"""Check if key exists"""
if not self._cache:
return False
return await self._cache.exists(key)
def generate_key(self, prefix: str, **kwargs) -> str:
"""Generate cache key"""
if not self._cache:
return ""
return self._cache.generate_key(prefix, **kwargs)
async def get_stats(self):
"""Get cache statistics"""
if not self._cache:
return {"enabled": False}
if hasattr(self._cache, 'get_stats'):
return await self._cache.get_stats()
return {"enabled": True}
# Singleton instance
cache_manager = CacheManager() |