1+ from sqlalchemy import Column , Integer , String , DateTime , ForeignKey , func
2+ from sqlalchemy .orm import relationship
3+ 4+ from .base import BaseModel
5+ 6+ class ApiUsage (BaseModel ):
7+ """Database model for tracking API usage statistics."""
8+ __tablename__ = "api_usage"
9+ 10+ id = Column (Integer , primary_key = True , index = True )
11+ user_id = Column (Integer , ForeignKey ("users.id" ), nullable = False )
12+ endpoint = Column (String , nullable = False )
13+ request_time = Column (DateTime (timezone = True ), server_default = func .now (), nullable = False )
14+ response_time = Column (Integer , nullable = False )
15+ status_code = Column (Integer , nullable = False )
16+ request_data = Column (String , nullable = True )
17+ response_data = Column (String , nullable = True )
18+ created_at = Column (DateTime (timezone = True ), server_default = func .now ())
19+ updated_at = Column (DateTime (timezone = True ), onupdate = func .now ())
20+ 21+ user = relationship ("User" , back_populates = "api_usages" )
22+ 23+ def __repr__ (self ):
24+ return f"<ApiUsage id={ self .id } { self .user_id } { self .endpoint } { self .request_time } { self .response_time } { self .status_code }
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