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backend/app/models/backup.py

@@ -0,0 +1,25 @@
+from __future__ import annotations
+
+from datetime import datetime
+
+from sqlalchemy import DateTime, ForeignKey, Integer, LargeBinary, String, func
+from sqlalchemy.orm import Mapped, mapped_column
+
+from ..core.db import Base
+
+
+class DeviceBackup(Base):
+    __tablename__ = "device_backups"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True)
+    device_id: Mapped[int] = mapped_column(
+        Integer, ForeignKey("devices.id", ondelete="CASCADE"), index=True, nullable=False
+    )
+    filename: Mapped[str] = mapped_column(String(255), nullable=False)
+    # 'binary' (.backup) или 'text' (.rsc)
+    fmt: Mapped[str] = mapped_column(String(16), nullable=False)
+    size: Mapped[int] = mapped_column(Integer, nullable=False, default=0)
+    content: Mapped[bytes] = mapped_column(LargeBinary, nullable=False)
+    created_at: Mapped[datetime] = mapped_column(
+        DateTime(timezone=True), server_default=func.now(), nullable=False
+    )