Add Workshop MVP

database.py

@@ -0,0 +1,58 @@
+import os
+from pathlib import Path
+
+from dotenv import load_dotenv
+from sqlalchemy import Boolean, ForeignKey, Integer, LargeBinary, String, Text, create_engine, text
+from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column, relationship
+
+
+load_dotenv(Path(__file__).with_name(".evn"), override=True)
+DATABASE_URL = os.getenv("DATABASE_URL")
+if not DATABASE_URL:
+    raise RuntimeError("DATABASE_URL is not configured")
+
+engine = create_engine(DATABASE_URL, pool_pre_ping=True)
+
+
+class Base(DeclarativeBase):
+    pass
+
+
+class Service(Base):
+    __tablename__ = "services"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    name: Mapped[str] = mapped_column(String(100))
+    description: Mapped[str] = mapped_column(Text, default="")
+    category: Mapped[str] = mapped_column(String(50))
+    author: Mapped[str] = mapped_column(String(100), default="anonymous")
+    selected: Mapped[bool] = mapped_column(Boolean, default=False, server_default="false")
+    archive_key: Mapped[str | None] = mapped_column(String(500), nullable=True)
+    files: Mapped[list["ServiceFile"]] = relationship(
+        back_populates="service", cascade="all, delete-orphan"
+    )
+
+
+class ServiceFile(Base):
+    __tablename__ = "service_files"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    service_id: Mapped[int] = mapped_column(ForeignKey("services.id"))
+    path: Mapped[str] = mapped_column(String(500))
+    content: Mapped[bytes] = mapped_column(LargeBinary)
+    service: Mapped[Service] = relationship(back_populates="files")
+
+
+def init_db() -> None:
+    Base.metadata.create_all(engine)
+    # Short MVP migration: existing hackathon databases may lack this new field.
+    with engine.begin() as connection:
+        connection.execute(
+            text(
+                "ALTER TABLE services "
+                "ADD COLUMN IF NOT EXISTS selected BOOLEAN NOT NULL DEFAULT FALSE"
+            )
+        )
+        connection.execute(
+            text("ALTER TABLE services ADD COLUMN IF NOT EXISTS archive_key VARCHAR(500)")
+        )