Cheng Zhou
74 lines
2.7 KiB
Python
74 lines
2.7 KiB
Python
from __future__ import annotations
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from typing import Optional
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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, String, 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 DocumentScopeType(str, enum.Enum):
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GLOBAL = "GLOBAL"
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SITE = "SITE"
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DERIVED = "DERIVED"
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class DocumentStatus(str, enum.Enum):
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DRAFT = "DRAFT"
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ACTIVE = "ACTIVE"
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ARCHIVED = "ARCHIVED"
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class Document(Base):
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__tablename__ = "documents"
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__table_args__ = (UniqueConstraint("trial_id", "doc_no", name="uq_documents_trial_doc_no"),)
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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trial_id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), ForeignKey("studies.id"), nullable=False)
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site_id: Mapped[Optional[uuid.UUID]] = mapped_column(UUID(as_uuid=True), ForeignKey("sites.id"), nullable=True)
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etmf_node_id: Mapped[Optional[uuid.UUID]] = mapped_column(UUID(as_uuid=True), ForeignKey("etmf_nodes.id"), nullable=True)
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doc_no: Mapped[str] = mapped_column(String(50), nullable=False)
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doc_type: Mapped[str] = mapped_column(String(50), nullable=False)
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title: Mapped[str] = mapped_column(String(200), nullable=False)
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scope_type: Mapped[DocumentScopeType] = mapped_column(
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Enum(DocumentScopeType, name="document_scope_type"),
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nullable=False,
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server_default=DocumentScopeType.GLOBAL.value,
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)
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owner_id: Mapped[Optional[uuid.UUID]] = mapped_column(UUID(as_uuid=True), ForeignKey("users.id"), nullable=True)
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status: Mapped[DocumentStatus] = mapped_column(
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Enum(DocumentStatus, name="document_status"),
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nullable=False,
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server_default=DocumentStatus.ACTIVE.value,
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)
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current_effective_version_id: Mapped[Optional[uuid.UUID]] = mapped_column(
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UUID(as_uuid=True),
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ForeignKey("document_versions.id"),
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nullable=True,
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)
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description: Mapped[Optional[str]] = 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),
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nullable=False,
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server_default=func.now(),
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onupdate=func.now(),
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)
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versions = relationship(
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"DocumentVersion",
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back_populates="document",
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cascade="all, delete-orphan",
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foreign_keys="DocumentVersion.document_id",
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)
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current_effective_version = relationship(
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"DocumentVersion",
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foreign_keys=[current_effective_version_id],
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post_update=True,
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)
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