Add backend/app/models/attachment.py

backend/app/models/attachment.py

@@ -0,0 +1,18 @@
+"""Attachment model."""
+from sqlalchemy import Column, Integer, String, ForeignKey, DateTime
+from sqlalchemy.orm import relationship
+from datetime import datetime
+from app.database import Base
+
+class Attachment(Base):
+    """Attachment model."""
+    __tablename__ = "attachments"
+
+    id = Column(Integer, primary_key=True, index=True)
+    filename = Column(String(255), nullable=False)
+    filepath = Column(String(500), nullable=False)
+    file_size = Column(Integer)
+    mime_type = Column(String(100))
+    record_id = Column(Integer, nullable=True)
+    uploaded_by = Column(Integer, ForeignKey("users.id"), nullable=False)
+    created_at = Column(DateTime, default=datetime.utcnow)