Cheng Zhou
38 lines
1.6 KiB
Python
38 lines
1.6 KiB
Python
import enum
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import uuid
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from datetime import datetime
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from sqlalchemy import DateTime, Enum, ForeignKey, Text, UniqueConstraint, func
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.db.base_class import Base
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class AcknowledgementType(str, enum.Enum):
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RECEIVED = "RECEIVED"
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READ = "READ"
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TRAINED = "TRAINED"
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class Acknowledgement(Base):
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__tablename__ = "acknowledgements"
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__table_args__ = (
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UniqueConstraint("distribution_id", "user_id", "ack_type", name="uq_ack_distribution_user_type"),
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)
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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distribution_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("distributions.id"), nullable=False)
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user_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=False)
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site_id: Mapped[uuid.UUID | None] = mapped_column(UUID(as_uuid=True), ForeignKey("sites.id"), nullable=True)
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ack_type: Mapped[AcknowledgementType] = mapped_column(
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Enum(AcknowledgementType, name="acknowledgement_type"),
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nullable=False,
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)
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due_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
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acked_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
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note: 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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distribution = relationship("Distribution", back_populates="acknowledgements")
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