Initial commit: svg backend

backend/app/models/scheme_version.py

@@ -0,0 +1,37 @@
+from datetime import datetime
+
+from sqlalchemy import BigInteger, DateTime, ForeignKey, Integer, String, Text, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.base import Base
+
+
+class SchemeVersionRecord(Base):
+    __tablename__ = "scheme_versions"
+
+    id: Mapped[int] = mapped_column(BigInteger, primary_key=True, autoincrement=True)
+    scheme_version_id: Mapped[str] = mapped_column(String(32), unique=True, index=True, nullable=False)
+    scheme_id: Mapped[str] = mapped_column(
+        String(32),
+        ForeignKey("schemes.scheme_id", ondelete="CASCADE"),
+        nullable=False,
+        index=True,
+    )
+    version_number: Mapped[int] = mapped_column(Integer, nullable=False)
+    status: Mapped[str] = mapped_column(String(32), nullable=False, default="draft")
+
+    normalized_storage_path: Mapped[str] = mapped_column(Text, nullable=False)
+    normalized_elements_count: Mapped[int] = mapped_column(Integer, nullable=False)
+    normalized_seats_count: Mapped[int] = mapped_column(Integer, nullable=False)
+    normalized_groups_count: Mapped[int] = mapped_column(Integer, nullable=False)
+    normalized_sectors_count: Mapped[int] = mapped_column(Integer, nullable=False)
+
+    display_svg_storage_path: Mapped[str | None] = mapped_column(Text, nullable=True)
+    display_svg_status: Mapped[str] = mapped_column(String(32), nullable=False, default="pending")
+    display_svg_generated_at: Mapped[datetime | None] = mapped_column(DateTime(timezone=True), nullable=True)
+
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True),
+        nullable=False,
+        server_default=func.now(),
+    )