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https://github.com/Cccc-owo/CheckInApp.git
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47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
from __future__ import annotations
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from datetime import datetime
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from sqlalchemy import Boolean, DateTime, ForeignKey, String, Text
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from sqlalchemy.sql import func
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from backend.models.database import Base
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class TaskTemplate(Base):
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"""打卡任务模板"""
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__tablename__ = "task_templates"
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id: Mapped[int] = mapped_column(primary_key=True, index=True, autoincrement=True)
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name: Mapped[str] = mapped_column(String(100), nullable=False, comment="模板名称")
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description: Mapped[str | None] = mapped_column(Text, nullable=True, comment="模板描述")
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# 父模板 ID（用于继承）
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parent_id: Mapped[int | None] = mapped_column(
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ForeignKey("task_templates.id", ondelete="SET NULL"),
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nullable=True,
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comment="父模板 ID",
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)
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# 字段配置（JSON 格式）
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field_config: Mapped[str] = mapped_column(Text, nullable=False, comment="字段配置（JSON）")
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is_active: Mapped[bool] = mapped_column(Boolean, default=True, comment="是否启用")
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created_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), server_default=func.now(), comment="创建时间"
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)
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updated_at: Mapped[datetime | None] = mapped_column(
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DateTime(timezone=True), onupdate=func.now(), comment="更新时间"
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)
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# 自引用关系：父模板和子模板
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parent: Mapped[TaskTemplate | None] = relationship(
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remote_side="TaskTemplate.id", back_populates="children"
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)
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children: Mapped[list[TaskTemplate]] = relationship(back_populates="parent")
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def __repr__(self):
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return f"<TaskTemplate(id={self.id}, name='{self.name}', is_active={self.is_active})>"
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