v2.1: 新增通知提醒功能和安全增强
功能: - 通知提醒系统: 还款日提醒、逾期提醒、系统消息横幅、登录时通知 - 通知中心UI: 铃铛图标 + 下拉列表 + 未读徽章 - 定时任务: APScheduler 每小时检查即将到期的还款 - 邮件通知: SMTP 发送还款提醒和安全警告 - 异常登录通知: 3/5/10次失败触发网页和邮件通知 安全: - 登录安全告警: 异常登录次数达到阈值时发送通知 - 密码重置链接: 一次性使用, 5分钟有效期 - 登录频率限制: IP级和账户级限制 技术: - 后端: FastAPI + SQLAlchemy + PostgreSQL - 前端: 纯 HTML/CSS/JS - 部署: Docker Compose (新增 build 配置)
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OP
171
backend/app/models/models.py
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171
backend/app/models/models.py
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from datetime import datetime
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from sqlalchemy import Column, Integer, String, Float, DateTime, ForeignKey, Enum, Text, JSON
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from sqlalchemy.orm import relationship, DeclarativeBase
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import enum
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class Base(DeclarativeBase):
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pass
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class UserRole(str, enum.Enum):
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USER = "user"
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ADMIN = "admin"
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class UserStatus(str, enum.Enum):
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ACTIVE = "active"
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PENDING = "pending"
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DISABLED = "disabled"
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class DebtStatus(str, enum.Enum):
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ACTIVE = "active"
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PAID = "paid"
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OVERDUE = "overdue"
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CLOSED = "closed"
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class RateType(str, enum.Enum):
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ANNUAL = "annual"
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MONTHLY = "monthly"
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class RepaymentMethod(str, enum.Enum):
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EQUAL_INSTALLMENT = "equal_installment"
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INTEREST_FIRST = "interest_first"
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LUMP_SUM = "lump_sum"
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class PlanStatus(str, enum.Enum):
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PENDING = "pending"
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PAID = "paid"
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OVERDUE = "overdue"
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class NotificationType(str, enum.Enum):
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REPAYMENT_DUE = "repayment_due"
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REPAYMENT_OVERDUE = "repayment_overdue"
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SYSTEM = "system"
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ACCOUNT = "account"
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class Group(Base):
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__tablename__ = "groups"
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id = Column(Integer, primary_key=True, index=True)
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name = Column(String(100), nullable=False)
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description = Column(Text, default="")
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created_at = Column(DateTime, default=lambda: datetime.utcnow())
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members = relationship("User", back_populates="group")
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class User(Base):
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__tablename__ = "users"
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id = Column(Integer, primary_key=True, index=True)
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email = Column(String(255), unique=True, index=True, nullable=False)
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real_email = Column(String(255), default="")
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password_hash = Column(String(255), nullable=False)
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nickname = Column(String(100), default="")
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role = Column(String(20), default=UserRole.USER.value)
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status = Column(String(20), default=UserStatus.ACTIVE.value)
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group_id = Column(Integer, ForeignKey("groups.id"), nullable=True)
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created_at = Column(DateTime, default=lambda: datetime.utcnow())
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group = relationship("Group", back_populates="members")
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debts = relationship("Debt", back_populates="user")
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audit_logs = relationship("AuditLog", back_populates="user")
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class Debt(Base):
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__tablename__ = "debts"
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id = Column(Integer, primary_key=True, index=True)
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user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
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creditor_name = Column(String(255), nullable=False)
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amount = Column(Integer, nullable=False)
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borrow_date = Column(DateTime, nullable=False)
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interest_rate = Column(Float, nullable=False)
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rate_type = Column(String(20), default=RateType.ANNUAL.value)
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repayment_method = Column(String(30), nullable=False)
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period_count = Column(Integer, nullable=False)
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period_unit = Column(String(10), default="month")
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status = Column(String(20), default=DebtStatus.ACTIVE.value)
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purpose = Column(String(255), default="")
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notes = Column(Text, default="")
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created_at = Column(DateTime, default=lambda: datetime.utcnow())
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schedule_data = Column(JSON, default=list)
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paid_periods = Column(JSON, default=list)
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user = relationship("User", back_populates="debts")
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plans = relationship("RepaymentPlan", back_populates="debt", cascade="all, delete-orphan")
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records = relationship("RepaymentRecord", back_populates="debt", cascade="all, delete-orphan")
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class RepaymentPlan(Base):
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__tablename__ = "repayment_plans"
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id = Column(Integer, primary_key=True, index=True)
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debt_id = Column(Integer, ForeignKey("debts.id"), nullable=False)
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due_date = Column(DateTime, nullable=False)
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principal_due = Column(Integer, nullable=False)
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interest_due = Column(Integer, nullable=False)
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total_due = Column(Integer, nullable=False)
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status = Column(String(20), default=PlanStatus.PENDING.value)
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debt = relationship("Debt", back_populates="plans")
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records = relationship("RepaymentRecord", back_populates="plan")
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class RepaymentRecord(Base):
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__tablename__ = "repayment_records"
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id = Column(Integer, primary_key=True, index=True)
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debt_id = Column(Integer, ForeignKey("debts.id"), nullable=False)
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plan_id = Column(Integer, ForeignKey("repayment_plans.id"), nullable=True)
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amount = Column(Integer, nullable=False)
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paid_date = Column(DateTime, nullable=False)
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notes = Column(Text, default="")
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created_at = Column(DateTime, default=lambda: datetime.utcnow())
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debt = relationship("Debt", back_populates="records")
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plan = relationship("RepaymentPlan", back_populates="records")
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class SystemSetting(Base):
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__tablename__ = "system_settings"
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key = Column(String(100), primary_key=True)
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value = Column(Text, nullable=False)
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class AuditLog(Base):
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__tablename__ = "audit_logs"
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id = Column(Integer, primary_key=True, index=True)
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user_id = Column(Integer, ForeignKey("users.id"), nullable=True)
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action = Column(String(50), nullable=False)
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target_type = Column(String(50), default="")
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target_id = Column(Integer, nullable=True)
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details = Column(JSON, default=dict)
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created_at = Column(DateTime, default=lambda: datetime.utcnow())
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user = relationship("User", back_populates="audit_logs")
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class Notification(Base):
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__tablename__ = "notifications"
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id = Column(Integer, primary_key=True, index=True)
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user_id = Column(Integer, ForeignKey("users.id"), nullable=False, index=True)
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title = Column(String(255), nullable=False)
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message = Column(Text, nullable=False)
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type = Column(String(30), default=NotificationType.SYSTEM.value)
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is_read = Column(Integer, default=0)
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related_debt_id = Column(Integer, nullable=True)
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related_plan_id = Column(Integer, nullable=True)
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created_at = Column(DateTime, default=lambda: datetime.utcnow())
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user = relationship("User", backref="notifications")
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