first commit

backend/app/models/catalog.py

@@ -0,0 +1,115 @@
+from datetime import datetime
+
+from sqlalchemy import (
+    Boolean,
+    DateTime,
+    Enum,
+    ForeignKey,
+    Index,
+    Integer,
+    String,
+    Text,
+    func,
+)
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.db.base import Base
+from app.models.enums import EventStatus, EventType, TicketTypeStatus
+
+
+class Venue(Base):
+    __tablename__ = "venues"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    slug: Mapped[str] = mapped_column(String(120), unique=True, index=True)
+    name: Mapped[str] = mapped_column(String(200))
+    area: Mapped[str] = mapped_column(String(120))
+    city: Mapped[str] = mapped_column(String(80), default="Bengaluru")
+    address: Mapped[str] = mapped_column(String(512))
+    map_url: Mapped[str | None] = mapped_column(String(512), nullable=True)
+    description: Mapped[str | None] = mapped_column(Text, nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        onupdate=func.now(),
+    )
+
+    events: Mapped[list["Event"]] = relationship("Event", back_populates="venue")
+
+
+class Event(Base):
+    __tablename__ = "events"
+    __table_args__ = (
+        Index("ix_events_status_starts_at", "status", "starts_at"),
+        Index("ix_events_category_status", "category", "status"),
+    )
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    slug: Mapped[str] = mapped_column(String(200), unique=True, index=True)
+    title: Mapped[str] = mapped_column(String(240))
+    category: Mapped[EventType] = mapped_column(Enum(EventType), index=True)
+    status: Mapped[EventStatus] = mapped_column(Enum(EventStatus), default=EventStatus.draft, index=True)
+    venue_id: Mapped[int] = mapped_column(ForeignKey("venues.id", ondelete="RESTRICT"), index=True)
+    description: Mapped[str | None] = mapped_column(Text, nullable=True)
+    starts_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), index=True)
+    ends_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+    is_featured: Mapped[bool] = mapped_column(Boolean, default=False)
+    cover_image_url: Mapped[str | None] = mapped_column(String(1024), nullable=True)
+    cover_image_alt: Mapped[str | None] = mapped_column(String(300), nullable=True)
+    meta_description: Mapped[str | None] = mapped_column(String(320), nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        onupdate=func.now(),
+    )
+
+    venue: Mapped["Venue"] = relationship("Venue", back_populates="events")
+    media: Mapped[list["EventMedia"]] = relationship(
+        "EventMedia",
+        back_populates="event",
+        cascade="all, delete-orphan",
+        order_by="EventMedia.sort_order",
+    )
+    ticket_types: Mapped[list["TicketType"]] = relationship(
+        "TicketType",
+        back_populates="event",
+        cascade="all, delete-orphan",
+        order_by="TicketType.sort_order",
+    )
+
+
+class EventMedia(Base):
+    __tablename__ = "event_media"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    event_id: Mapped[int] = mapped_column(ForeignKey("events.id", ondelete="CASCADE"), index=True)
+    image_url: Mapped[str] = mapped_column(String(1024))
+    alt_text: Mapped[str | None] = mapped_column(String(300), nullable=True)
+    sort_order: Mapped[int] = mapped_column(Integer, default=0)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+
+    event: Mapped["Event"] = relationship("Event", back_populates="media")
+
+
+class TicketType(Base):
+    __tablename__ = "ticket_types"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    event_id: Mapped[int] = mapped_column(ForeignKey("events.id", ondelete="CASCADE"), index=True)
+    name: Mapped[str] = mapped_column(String(120))
+    description: Mapped[str | None] = mapped_column(String(512), nullable=True)
+    price_paise: Mapped[int] = mapped_column(Integer)
+    quantity_total: Mapped[int] = mapped_column(Integer)
+    quantity_sold: Mapped[int] = mapped_column(Integer, default=0)
+    status: Mapped[TicketTypeStatus] = mapped_column(Enum(TicketTypeStatus), default=TicketTypeStatus.active)
+    sort_order: Mapped[int] = mapped_column(Integer, default=0)
+    created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
+    updated_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        onupdate=func.now(),
+    )
+
+    event: Mapped["Event"] = relationship("Event", back_populates="ticket_types")