Files
CheckInApp/apps/backend/models/check_in_task.py
T

77 lines
2.7 KiB
Python

from datetime import datetime
from typing import TYPE_CHECKING
from sqlalchemy import Boolean, DateTime, ForeignKey, Index, String, Text, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column, relationship
from sqlalchemy.sql import func
from backend.models.database import Base
if TYPE_CHECKING:
from backend.models.check_in_record import CheckInRecord
from backend.models.user import User
class CheckInTask(Base):
"""打卡任务模型"""
__tablename__ = "check_in_tasks"
id: Mapped[int] = mapped_column(primary_key=True, index=True, autoincrement=True)
user_id: Mapped[int] = mapped_column(
ForeignKey("users.id", ondelete="CASCADE"),
index=True,
comment="用户 ID",
)
thread_id: Mapped[str | None] = mapped_column(
String(100),
index=True,
nullable=True,
comment="接龙项目 ID",
)
payload_config: Mapped[str] = mapped_column(
Text,
default="{}",
nullable=False,
comment="完整的 payload 配置 JSON(从模板生成,包含 ThreadId 和所有字段)",
)
name: Mapped[str] = mapped_column(String(100), default="", comment="任务名称(用户自定义)")
is_active: Mapped[bool] = mapped_column(
Boolean, default=True, comment="是否启用自动打卡(不影响手动打卡)"
)
cron_expression: Mapped[str | None] = mapped_column(
String(100),
default="0 20 * * *",
nullable=True,
comment="Crontab 表达式(NULL 表示禁用自动打卡,否则按表达式执行)",
)
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True), server_default=func.now(), comment="创建时间"
)
updated_at: Mapped[datetime | None] = mapped_column(
DateTime(timezone=True), onupdate=func.now(), comment="更新时间"
)
# 关联用户
user: Mapped["User"] = relationship(back_populates="tasks")
# 关联打卡记录
check_in_records: Mapped[list["CheckInRecord"]] = relationship(
back_populates="task", cascade="all, delete-orphan"
)
# 添加索引:加速查询
__table_args__ = (
Index("ix_task_user_active", "user_id", "is_active"),
UniqueConstraint("user_id", "thread_id", name="uq_task_user_thread_id"),
Index("ix_task_cron", "cron_expression"), # 加速查询启用了定时打卡的任务
)
def __repr__(self):
return f"<CheckInTask(id={self.id}, user_id={self.user_id}, name={self.name}, cron={self.cron_expression})>"
@property
def is_scheduled_enabled(self) -> bool:
"""判断是否启用了自动打卡(is_active 为 True 且 cron_expression 不为空)"""
return bool(self.is_active) and bool(self.cron_expression)