creat

Signed-off-by: TIANHE <TIANHE@GMAIL.COM>

backend_api_python/app/config/database.py

@@ -0,0 +1,109 @@
+"""
+数据库和缓存配置
+"""
+import os
+
+class MetaRedisConfig(type):
+    """Redis 配置"""
+    
+    @property
+    def HOST(cls):
+        return os.getenv('REDIS_HOST', 'localhost')
+    
+    @property
+    def PORT(cls):
+        return int(os.getenv('REDIS_PORT', 6379))
+    
+    @property
+    def PASSWORD(cls):
+        return os.getenv('REDIS_PASSWORD', None)
+    
+    @property
+    def DB(cls):
+        return int(os.getenv('REDIS_DB', 0))
+    
+    @property
+    def CONNECT_TIMEOUT(cls):
+        return int(os.getenv('REDIS_CONNECT_TIMEOUT', 5))
+    
+    @property
+    def SOCKET_TIMEOUT(cls):
+        return int(os.getenv('REDIS_SOCKET_TIMEOUT', 5))
+    
+    @property
+    def MAX_CONNECTIONS(cls):
+        return int(os.getenv('REDIS_MAX_CONNECTIONS', 10))
+
+
+class RedisConfig(metaclass=MetaRedisConfig):
+    """Redis 缓存配置"""
+    
+    @classmethod
+    def get_url(cls) -> str:
+        """获取 Redis 连接 URL"""
+        if cls.PASSWORD:
+            return f"redis://:{cls.PASSWORD}@{cls.HOST}:{cls.PORT}/{cls.DB}"
+        return f"redis://{cls.HOST}:{cls.PORT}/{cls.DB}"
+
+
+class MetaSQLiteConfig(type):
+    """SQLite 配置"""
+    
+    @property
+    def DATABASE_FILE(cls):
+        # 默认放在 backend_api_python 根目录
+        base_dir = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+        default_path = os.path.join(base_dir, 'quantdinger.db')
+        return os.getenv('SQLITE_DATABASE_FILE', default_path)
+
+
+class SQLiteConfig(metaclass=MetaSQLiteConfig):
+    """SQLite 数据库配置"""
+    
+    @classmethod
+    def get_path(cls) -> str:
+        """获取数据库文件路径"""
+        return cls.DATABASE_FILE
+
+
+class MetaCacheConfig(type):
+    """缓存业务配置"""
+    
+    @property
+    def ENABLED(cls):
+        # 强制默认关闭，除非环境变量显式开启
+        return os.getenv('CACHE_ENABLED', 'False').lower() == 'true'
+
+    @property
+    def DEFAULT_EXPIRE(cls):
+        return int(os.getenv('CACHE_EXPIRE', 300))
+
+    @property
+    def KLINE_CACHE_TTL(cls):
+        return {
+            '1m': 5,       # 1分钟K线缓存5秒
+            '3m': 30,      # 3分钟K线缓存30秒
+            '5m': 60,      # 5分钟K线缓存1分钟
+            '15m': 300,    # 15分钟K线缓存5分钟
+            '30m': 300,    # 30分钟K线缓存5分钟
+            '1H': 300,     # 1小时K线缓存5分钟
+            '4H': 300,     # 4小时K线缓存5分钟
+            '1D': 300,     # 日K线缓存5分钟
+            # 兼容小写
+            '1h': 300,
+            '4h': 300,
+            '1d': 300,
+        }
+
+    @property
+    def ANALYSIS_CACHE_TTL(cls):
+        return 3600
+
+    @property
+    def PRICE_CACHE_TTL(cls):
+        return 10
+
+
+class CacheConfig(metaclass=MetaCacheConfig):
+    """缓存配置"""
+    pass