Cheng Zhou
28 lines
1.4 KiB
Python
28 lines
1.4 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 Visit(Base):
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__tablename__ = "visits"
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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"), nullable=False)
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subject_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("subjects.id"), index=True, nullable=False)
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visit_code: Mapped[str] = mapped_column(String(50), nullable=False)
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planned_date: Mapped[date | None] = mapped_column(Date, nullable=True)
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actual_date: Mapped[date | None] = mapped_column(Date, nullable=True)
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status: Mapped[str] = mapped_column(String(20), nullable=False, default="PLANNED")
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window_start: Mapped[date | None] = mapped_column(Date, nullable=True)
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window_end: Mapped[date | None] = mapped_column(Date, nullable=True)
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notes: Mapped[str | None] = mapped_column(Text, nullable=True)
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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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