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@@ -117,7 +117,10 @@ async def delete_printer(
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delete_archives: If True (default), delete all print archives for this printer.
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If False, keep archives but remove their printer association.
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"""
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+ from sqlalchemy import delete as sql_delete
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+
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from backend.app.models.archive import PrintArchive
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+ from backend.app.models.maintenance import MaintenanceHistory, PrinterMaintenance
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result = await db.execute(select(Printer).where(Printer.id == printer_id))
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printer = result.scalar_one_or_none()
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@@ -132,6 +135,19 @@ async def delete_printer(
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await db.execute(update(PrintArchive).where(PrintArchive.printer_id == printer_id).values(printer_id=None))
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+ # Delete maintenance history and items for this printer
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+ # (SQLite doesn't enforce FK cascades, so do it explicitly)
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+ maintenance_ids = (
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+ (await db.execute(select(PrinterMaintenance.id).where(PrinterMaintenance.printer_id == printer_id)))
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+ .scalars()
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+ .all()
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+ )
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+ if maintenance_ids:
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+ await db.execute(
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+ sql_delete(MaintenanceHistory).where(MaintenanceHistory.printer_maintenance_id.in_(maintenance_ids))
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+ )
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+ await db.execute(sql_delete(PrinterMaintenance).where(PrinterMaintenance.printer_id == printer_id))
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+
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await db.delete(printer)
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await db.commit()
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maziggy