Initial project commit

server/app/models/promotion.py

@@ -0,0 +1,38 @@
+from datetime import datetime
+
+from sqlalchemy import (
+    DateTime, ForeignKey, Integer, String, Text, func,
+)
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.db.base import Base
+
+
+class Promotion(Base):
+    """推广位/Banner"""
+    __tablename__ = "promotions"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    title: Mapped[str] = mapped_column(String(200), nullable=False)
+    image_url: Mapped[str] = mapped_column(String(500), nullable=False)
+    link_type: Mapped[str] = mapped_column(String(20), default="spot")
+    link_id: Mapped[int | None] = mapped_column(Integer)
+    spot_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("spots.id"), nullable=True)
+    event_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("events.id"), nullable=True)
+    shooting_id: Mapped[int | None] = mapped_column(Integer, ForeignKey("shooting_requests.id"), nullable=True)
+    link_url: Mapped[str | None] = mapped_column(String(500))
+    position: Mapped[str] = mapped_column(String(30), default="home_banner", index=True)
+    sort_order: Mapped[int] = mapped_column(Integer, default=0)
+    start_time: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    end_time: Mapped[datetime | None] = mapped_column(DateTime(timezone=True))
+    is_active: Mapped[bool] = mapped_column(default=True, index=True)
+    impressions: Mapped[int] = mapped_column(Integer, default=0)
+    clicks: Mapped[int] = mapped_column(Integer, default=0)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    spot = relationship("Spot", lazy="selectin")
+    event = relationship("Event", lazy="selectin")
+    shooting = relationship("ShootingRequest", lazy="selectin")
+
+    def __repr__(self) -> str:
+        return f"<Promotion {self.id} {self.title}>"