feat: add RssFeed, RssItem, WeatherCache models

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/fabledassistant/models/rss_feed.py

@@ -0,0 +1,70 @@
+from datetime import datetime, timezone
+
+from sqlalchemy import DateTime, ForeignKey, Index, Integer, Text, UniqueConstraint
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from fabledassistant.models import Base
+
+
+class RssFeed(Base):
+    __tablename__ = "rss_feeds"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    user_id: Mapped[int] = mapped_column(Integer, ForeignKey("users.id", ondelete="CASCADE"))
+    url: Mapped[str] = mapped_column(Text)
+    title: Mapped[str] = mapped_column(Text, default="")
+    category: Mapped[str | None] = mapped_column(Text, nullable=True)
+    last_fetched_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+
+    items: Mapped[list["RssItem"]] = relationship(
+        back_populates="feed", cascade="all, delete-orphan"
+    )
+
+    __table_args__ = (
+        UniqueConstraint("user_id", "url", name="uq_rss_feeds_user_url"),
+        Index("ix_rss_feeds_user_id", "user_id"),
+    )
+
+    def to_dict(self) -> dict:
+        return {
+            "id": self.id,
+            "url": self.url,
+            "title": self.title,
+            "category": self.category,
+            "last_fetched_at": self.last_fetched_at.isoformat() if self.last_fetched_at else None,
+        }
+
+
+class RssItem(Base):
+    __tablename__ = "rss_items"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    feed_id: Mapped[int] = mapped_column(Integer, ForeignKey("rss_feeds.id", ondelete="CASCADE"))
+    guid: Mapped[str] = mapped_column(Text)
+    title: Mapped[str] = mapped_column(Text, default="")
+    url: Mapped[str] = mapped_column(Text, default="")
+    published_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    # Truncated to 2000 chars to keep DB size reasonable
+    content: Mapped[str] = mapped_column(Text, default="")
+    fetched_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), default=lambda: datetime.now(timezone.utc)
+    )
+
+    feed: Mapped["RssFeed"] = relationship(back_populates="items")
+
+    __table_args__ = (
+        UniqueConstraint("feed_id", "guid", name="uq_rss_items_feed_guid"),
+        Index("ix_rss_items_feed_id", "feed_id"),
+        Index("ix_rss_items_published_at", "published_at"),
+    )
+
+    def to_dict(self) -> dict:
+        return {
+            "id": self.id,
+            "feed_id": self.feed_id,
+            "guid": self.guid,
+            "title": self.title,
+            "url": self.url,
+            "published_at": self.published_at.isoformat() if self.published_at else None,
+            "content": self.content,
+        }