feat api 调用次数记录

fix

app/core/record_api_count.py

@@ -0,0 +1,44 @@
+from fastapi import Request
+from sqlalchemy import Column, Integer, String
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+# 创建数据库引擎
+DATABASE_URL = "sqlite:///./api_count.db"
+engine = create_engine(DATABASE_URL)
+
+# 创建数据库会话
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+# 创建数据库模型基类
+Base = declarative_base()
+
+
+# 定义存储调用次数的数据库模型
+class CallCount(Base):
+    __tablename__ = "call_count"
+    id = Column(Integer, primary_key=True, index=True)
+    service_name = Column(String, nullable=False)
+    call_count = Column(Integer, default=0)
+
+
+# 创建数据库表（如果不存在）
+Base.metadata.create_all(bind=engine)
+
+
+# 定义中间件函数，用于记录接口调用次数
+
+def count_api_calls(request: Request, call_next):
+    db = SessionLocal()
+    service_name = request.url.path
+    call_record = db.query(CallCount).filter_by(service_name=service_name).first()
+    if call_record is None:
+        call_record = CallCount(service_name=service_name, call_count=1)
+        db.add(call_record)
+    else:
+        call_record.call_count += 1
+    db.commit()
+    db.refresh(call_record)
+    response = call_next(request)
+    return response