Initial commit: Add maimaiDX API web application with AimeDB scanning and logging features

backend/APILogger.py

@@ -0,0 +1,84 @@
+import os
+import json
+from datetime import datetime
+from loguru import logger
+
+
+class APILogger:
+    def __init__(self, log_dir="logs"):
+        self.log_dir = log_dir
+        self._setup_logging()
+        
+    def _setup_logging(self):
+        """设置日志配置"""
+        # 创建日志目录（如果不存在）
+        if not os.path.exists(self.log_dir):
+            os.makedirs(self.log_dir)
+            
+        # 配置loguru
+        logger.add(
+            f"{self.log_dir}/app_{{time}}.log", 
+            rotation="100 MB", 
+            retention="30 days",
+            format="{time:YYYY-MM-DD HH:mm:ss} | {level} | {message}"
+        )
+        logger.add(
+            f"{self.log_dir}/error_{{time}}.log", 
+            level="ERROR", 
+            rotation="100 MB", 
+            retention="90 days",
+            format="{time:YYYY-MM-DD HH:mm:ss} | {level} | {message}"
+        )
+        
+    def log_request(self, method, url, headers, body=None):
+        """记录API请求"""
+        log_data = {
+            "type": "request",
+            "method": method,
+            "url": str(url),
+            "headers": dict(headers),
+            "timestamp": datetime.now().isoformat()
+        }
+        
+        if body:
+            log_data["body"] = body
+            
+        logger.info(f"API Request: {json.dumps(log_data, ensure_ascii=False)}")
+        
+    def log_response(self, status_code, response_data, process_time=None):
+        """记录API响应"""
+        log_data = {
+            "type": "response",
+            "status_code": status_code,
+            "response_data": response_data,
+            "process_time": process_time,
+            "timestamp": datetime.now().isoformat()
+        }
+        
+        if status_code >= 400:
+            logger.error(f"API Response: {json.dumps(log_data, ensure_ascii=False)}")
+        else:
+            logger.info(f"API Response: {json.dumps(log_data, ensure_ascii=False)}")
+            
+    def log_error(self, error_msg, error_details=None):
+        """记录错误"""
+        log_data = {
+            "type": "error",
+            "error_msg": error_msg,
+            "error_details": error_details,
+            "timestamp": datetime.now().isoformat()
+        }
+        
+        logger.error(f"API Error: {json.dumps(log_data, ensure_ascii=False)}")
+        
+    def log_info(self, message):
+        """记录信息"""
+        logger.info(message)
+        
+    def log_warning(self, message):
+        """记录警告"""
+        logger.warning(message)
+
+
+# 创建全局日志实例
+api_logger = APILogger()