Cheng Zhou
29 lines
1.6 KiB
Python
29 lines
1.6 KiB
Python
import uuid
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from datetime import datetime, date
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from sqlalchemy import Date, DateTime, ForeignKey, String, Text, func
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import Mapped, mapped_column
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from app.db.base_class import Base
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class Task(Base):
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__tablename__ = "tasks"
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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study_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("studies.id"), index=True, nullable=False)
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milestone_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("milestones.id"), nullable=True)
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title: Mapped[str] = mapped_column(String(200), nullable=False)
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description: Mapped[str | None] = mapped_column(Text, nullable=True)
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assignee_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=True)
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priority: Mapped[str] = mapped_column(String(20), nullable=False, default="MEDIUM")
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due_date: Mapped[date | None] = mapped_column(Date, nullable=True)
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status: Mapped[str] = mapped_column(String(20), nullable=False, default="TODO")
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completed_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
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created_by: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
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created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), nullable=False, server_default=func.now(), onupdate=func.now()
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)
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