1st_fix_login_issue
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beabigegg
211
app/models/log.py
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211
app/models/log.py
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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系統日誌資料模型
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Author: PANJIT IT Team
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Created: 2024-01-28
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Modified: 2024-01-28
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"""
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import json
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from datetime import datetime, timedelta
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from sqlalchemy.sql import func
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from app import db
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class SystemLog(db.Model):
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"""系統日誌表 (dt_system_logs)"""
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__tablename__ = 'dt_system_logs'
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id = db.Column(db.Integer, primary_key=True, autoincrement=True)
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level = db.Column(
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db.Enum('DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL', name='log_level'),
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nullable=False,
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comment='日誌等級'
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)
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module = db.Column(db.String(100), nullable=False, comment='模組名稱')
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user_id = db.Column(db.Integer, db.ForeignKey('dt_users.id'), comment='使用者ID')
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job_id = db.Column(db.Integer, db.ForeignKey('dt_translation_jobs.id'), comment='任務ID')
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message = db.Column(db.Text, nullable=False, comment='日誌訊息')
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extra_data = db.Column(db.JSON, comment='額外資料')
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created_at = db.Column(db.DateTime, default=func.now(), comment='建立時間')
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def __repr__(self):
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return f'<SystemLog {self.level} {self.module}>'
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def to_dict(self):
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"""轉換為字典格式"""
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return {
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'id': self.id,
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'level': self.level,
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'module': self.module,
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'user_id': self.user_id,
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'job_id': self.job_id,
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'message': self.message,
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'extra_data': self.extra_data,
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'created_at': self.created_at.isoformat() if self.created_at else None
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}
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@classmethod
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def log(cls, level, module, message, user_id=None, job_id=None, extra_data=None):
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"""記錄日誌"""
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log_entry = cls(
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level=level.upper(),
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module=module,
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message=message,
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user_id=user_id,
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job_id=job_id,
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extra_data=extra_data
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)
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db.session.add(log_entry)
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db.session.commit()
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return log_entry
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@classmethod
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def debug(cls, module, message, user_id=None, job_id=None, extra_data=None):
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"""記錄除錯日誌"""
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return cls.log('DEBUG', module, message, user_id, job_id, extra_data)
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@classmethod
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def info(cls, module, message, user_id=None, job_id=None, extra_data=None):
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"""記錄資訊日誌"""
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return cls.log('INFO', module, message, user_id, job_id, extra_data)
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@classmethod
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def warning(cls, module, message, user_id=None, job_id=None, extra_data=None):
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"""記錄警告日誌"""
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return cls.log('WARNING', module, message, user_id, job_id, extra_data)
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@classmethod
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def error(cls, module, message, user_id=None, job_id=None, extra_data=None):
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"""記錄錯誤日誌"""
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return cls.log('ERROR', module, message, user_id, job_id, extra_data)
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@classmethod
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def critical(cls, module, message, user_id=None, job_id=None, extra_data=None):
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"""記錄嚴重錯誤日誌"""
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return cls.log('CRITICAL', module, message, user_id, job_id, extra_data)
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@classmethod
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def get_logs(cls, level=None, module=None, user_id=None, start_date=None, end_date=None, limit=100, offset=0):
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"""查詢日誌"""
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query = cls.query
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if level:
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query = query.filter_by(level=level.upper())
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if module:
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query = query.filter(cls.module.like(f'%{module}%'))
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if user_id:
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query = query.filter_by(user_id=user_id)
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if start_date:
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query = query.filter(cls.created_at >= start_date)
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if end_date:
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query = query.filter(cls.created_at <= end_date)
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# 按時間倒序排列
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query = query.order_by(cls.created_at.desc())
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if limit:
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query = query.limit(limit)
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if offset:
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query = query.offset(offset)
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return query.all()
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@classmethod
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def get_log_statistics(cls, days=7):
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"""取得日誌統計資料"""
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end_date = datetime.utcnow()
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start_date = end_date - timedelta(days=days)
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# 按等級統計
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level_stats = db.session.query(
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cls.level,
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func.count(cls.id).label('count')
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).filter(
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cls.created_at >= start_date
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).group_by(cls.level).all()
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# 按模組統計
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module_stats = db.session.query(
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cls.module,
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func.count(cls.id).label('count')
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).filter(
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cls.created_at >= start_date
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).group_by(cls.module).order_by(
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func.count(cls.id).desc()
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).limit(10).all()
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# 每日統計
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daily_stats = db.session.query(
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func.date(cls.created_at).label('date'),
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cls.level,
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func.count(cls.id).label('count')
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).filter(
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cls.created_at >= start_date
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).group_by(
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func.date(cls.created_at), cls.level
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).order_by(
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func.date(cls.created_at)
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).all()
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return {
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'level_stats': [
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{'level': stat.level, 'count': stat.count}
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for stat in level_stats
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],
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'module_stats': [
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{'module': stat.module, 'count': stat.count}
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for stat in module_stats
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],
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'daily_stats': [
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{
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'date': stat.date.isoformat(),
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'level': stat.level,
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'count': stat.count
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}
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for stat in daily_stats
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]
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}
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@classmethod
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def cleanup_old_logs(cls, days_to_keep=30):
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"""清理舊日誌"""
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cutoff_date = datetime.utcnow() - timedelta(days=days_to_keep)
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deleted_count = cls.query.filter(
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cls.created_at < cutoff_date
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).delete(synchronize_session=False)
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db.session.commit()
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return deleted_count
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@classmethod
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def get_error_summary(cls, days=1):
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"""取得錯誤摘要"""
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start_date = datetime.utcnow() - timedelta(days=days)
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error_logs = cls.query.filter(
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cls.level.in_(['ERROR', 'CRITICAL']),
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cls.created_at >= start_date
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).order_by(cls.created_at.desc()).limit(50).all()
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# 按模組分組錯誤
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error_by_module = {}
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for log in error_logs:
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module = log.module
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if module not in error_by_module:
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error_by_module[module] = []
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error_by_module[module].append(log.to_dict())
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return {
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'total_errors': len(error_logs),
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'error_by_module': error_by_module,
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'recent_errors': [log.to_dict() for log in error_logs[:10]]
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}
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