Cheng Zhou
21 lines
1.1 KiB
Python
21 lines
1.1 KiB
Python
import uuid
|
|
from datetime import datetime
|
|
|
|
from sqlalchemy import DateTime, ForeignKey, Integer, UniqueConstraint, func
|
|
from sqlalchemy.dialects.postgresql import UUID
|
|
from sqlalchemy.orm import Mapped, mapped_column
|
|
|
|
from app.db.base_class import Base
|
|
|
|
|
|
class ImpInventory(Base):
|
|
__tablename__ = "imp_inventory"
|
|
__table_args__ = (UniqueConstraint("study_id", "site_id", "batch_id", name="uq_imp_inventory_site_batch"),)
|
|
|
|
id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
|
|
study_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("studies.id"), index=True, nullable=False)
|
|
site_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("sites.id"), index=True, nullable=False)
|
|
batch_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("imp_batches.id"), index=True, nullable=False)
|
|
quantity_on_hand: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
|
|
updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), nullable=False, server_default=func.now(), onupdate=func.now())
|