language-learning-app/api/app/outbound/postgres/entities/article_entities.py

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import uuid
from datetime import datetime, timezone
from sqlalchemy import DateTime, ForeignKey, Text
from sqlalchemy.dialects.postgresql import UUID
from sqlalchemy.dialects.postgresql.json import JSONB
from sqlalchemy.orm import Mapped, mapped_column
from ..database import Base
class ArticleEntity(Base):
__tablename__ = "article"
id: Mapped[uuid.UUID] = mapped_column(
UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
)
article_type: Mapped[str] = mapped_column(Text, nullable=False)
language: Mapped[str] = mapped_column(Text, nullable=False)
target_complexity: Mapped[str] = mapped_column(Text, nullable=False)
title: Mapped[str] = mapped_column(Text, nullable=False)
text: Mapped[str] = mapped_column(Text, nullable=False)
text_linguistic_data: Mapped[dict] = mapped_column(JSONB, nullable=True)
audio_key: Mapped[str] = mapped_column(Text, nullable=True)
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True),
nullable=False,
default=lambda: datetime.now(timezone.utc),
)
published_at: Mapped[datetime | None] = mapped_column(
DateTime(timezone=True), nullable=True
)
deleted_at: Mapped[datetime | None] = mapped_column(
DateTime(timezone=True), nullable=True
)
class ArticleOwnershipEntity(Base):
__tablename__ = "article_ownership"
id: Mapped[uuid.UUID] = mapped_column(
UUID(as_uuid=True), primary_key=True, default=uuid.uuid4
)
article_id: Mapped[uuid.UUID] = mapped_column(
UUID(as_uuid=True),
ForeignKey("article.id", ondelete="CASCADE"),
nullable=False,
index=True,
)
ownership_role: Mapped[str] = mapped_column(Text, nullable=False)
user_id: Mapped[uuid.UUID] = mapped_column(
UUID(as_uuid=True),
ForeignKey("users.id", ondelete="CASCADE"),
nullable=False,
index=True,
)
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True),
nullable=False,
default=lambda: datetime.now(timezone.utc),
)
deleted_at: Mapped[datetime | None] = mapped_column(
DateTime(timezone=True), nullable=True
)