Initial certificate system

backend/app/models/import_batch.py

@@ -0,0 +1,35 @@
+from datetime import datetime
+
+from sqlalchemy import DateTime, Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from app.db.base import Base
+
+
+class ImportBatch(Base):
+    __tablename__ = "import_batches"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    filename: Mapped[str] = mapped_column(String(255))
+    file_path: Mapped[str] = mapped_column(String(512))
+    status: Mapped[str] = mapped_column(String(32), default="uploaded")
+    total_rows: Mapped[int] = mapped_column(Integer, default=0)
+    valid_rows: Mapped[int] = mapped_column(Integer, default=0)
+    failed_rows: Mapped[int] = mapped_column(Integer, default=0)
+    conflict_rows: Mapped[int] = mapped_column(Integer, default=0)
+    error_report_path: Mapped[str | None] = mapped_column(String(512), nullable=True)
+    created_by: Mapped[int | None] = mapped_column(nullable=True, index=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+    updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
+
+
+class ImportBatchRow(Base):
+    __tablename__ = "import_batch_rows"
+
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    batch_id: Mapped[int] = mapped_column(index=True)
+    row_no: Mapped[int] = mapped_column(Integer)
+    status: Mapped[str] = mapped_column(String(32))
+    error_message: Mapped[str | None] = mapped_column(Text, nullable=True)
+    raw_json: Mapped[str | None] = mapped_column(Text, nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)