a

backend/app/models/assignment_proof.py

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+from datetime import datetime
+from sqlalchemy import String, ForeignKey, Integer, DateTime
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+
+from app.core.database import Base
+
+
+class AssignmentProof(Base):
+    """Файлы-доказательства для заданий (множественные пруфы)"""
+    __tablename__ = "assignment_proofs"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    assignment_id: Mapped[int] = mapped_column(
+        ForeignKey("assignments.id", ondelete="CASCADE"),
+        index=True
+    )
+    file_path: Mapped[str] = mapped_column(String(500))  # Путь к файлу в хранилище
+    file_type: Mapped[str] = mapped_column(String(20))  # image или video
+    order_index: Mapped[int] = mapped_column(Integer, default=0)  # Порядок отображения
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    assignment: Mapped["Assignment"] = relationship(
+        "Assignment",
+        back_populates="proof_files"
+    )
+
+
+class BonusAssignmentProof(Base):
+    """Файлы-доказательства для бонусных заданий (множественные пруфы)"""
+    __tablename__ = "bonus_assignment_proofs"
+
+    id: Mapped[int] = mapped_column(primary_key=True)
+    bonus_assignment_id: Mapped[int] = mapped_column(
+        ForeignKey("bonus_assignments.id", ondelete="CASCADE"),
+        index=True
+    )
+    file_path: Mapped[str] = mapped_column(String(500))  # Путь к файлу в хранилище
+    file_type: Mapped[str] = mapped_column(String(20))  # image или video
+    order_index: Mapped[int] = mapped_column(Integer, default=0)  # Порядок отображения
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+    # Relationships
+    bonus_assignment: Mapped["BonusAssignment"] = relationship(
+        "BonusAssignment",
+        back_populates="proof_files"
+    )