Initial Commit

backend/models.py

@@ -0,0 +1,45 @@
+import datetime
+
+from sqlalchemy import Boolean, DateTime, ForeignKey, Integer, String, Text, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from backend.database import Base
+
+
+class NewsItem(Base):
+    __tablename__ = "news_items"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    headline: Mapped[str] = mapped_column(String(500), nullable=False, index=True)
+    summary: Mapped[str] = mapped_column(Text, nullable=False)
+    source_url: Mapped[str | None] = mapped_column(String(2000), nullable=True)
+    image_url: Mapped[str | None] = mapped_column(String(2000), nullable=True)
+    image_credit: Mapped[str | None] = mapped_column(String(500), nullable=True)
+    published_at: Mapped[datetime.datetime] = mapped_column(
+        DateTime, nullable=False, default=datetime.datetime.utcnow
+    )
+    created_at: Mapped[datetime.datetime] = mapped_column(
+        DateTime, nullable=False, default=datetime.datetime.utcnow
+    )
+    archived: Mapped[bool] = mapped_column(Boolean, nullable=False, default=False)
+    translations: Mapped[list["NewsTranslation"]] = relationship(
+        back_populates="news_item", cascade="all, delete-orphan"
+    )
+
+
+class NewsTranslation(Base):
+    __tablename__ = "news_translations"
+    __table_args__ = (UniqueConstraint("news_item_id", "language", name="uq_news_item_language"),)
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
+    news_item_id: Mapped[int] = mapped_column(
+        ForeignKey("news_items.id"), nullable=False, index=True
+    )
+    language: Mapped[str] = mapped_column(String(5), nullable=False, index=True)
+    headline: Mapped[str] = mapped_column(String(500), nullable=False)
+    summary: Mapped[str] = mapped_column(Text, nullable=False)
+    created_at: Mapped[datetime.datetime] = mapped_column(
+        DateTime, nullable=False, default=datetime.datetime.utcnow
+    )
+
+    news_item: Mapped[NewsItem] = relationship(back_populates="translations")