Recovered orphaned WIP before switching to a new task

backend/app/models/appeal.py

@@ -0,0 +1,74 @@
+"""Appeal model for moderation actions."""
+
+from datetime import datetime
+from typing import Optional
+
+from sqlalchemy import (
+    Column,
+    Enum,
+    ForeignKey,
+    Integer,
+    String,
+    Text,
+    DateTime,
+    CheckConstraint,
+)
+from sqlalchemy.orm import relationship
+from sqlalchemy.sql import func
+
+from app.database import Base
+
+
+class Appeal(Base):
+    __tablename__ = "appeals"
+
+    # Status values
+    APPEAL_STATUS = Enum(
+        "pending", "approved", "rejected",
+        name="appeal_status",
+        create_type=False,
+    )
+
+    id = Column(Integer, primary_key=True, index=True)
+    moderation_action_id = Column(
+        Integer,
+        ForeignKey("moderation_actions.id", ondelete="CASCADE"),
+        nullable=False,
+    )
+    user_id = Column(
+        Integer,
+        ForeignKey("users.id", ondelete="CASCADE"),
+        nullable=False,
+    )
+    reason = Column(Text, nullable=False)
+    status = Column(
+        APPEAL_STATUS,
+        nullable=False,
+        default=APPEAL_STATUS.PENDING,
+    )
+    reviewed_by = Column(
+        Integer,
+        ForeignKey("users.id", ondelete="SET NULL"),
+        nullable=True,
+    )
+    reviewed_at = Column(DateTime(timezone=True), nullable=True)
+    created_at = Column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+        nullable=False,
+    )
+
+    # Relationships
+    moderation_action = relationship("ModerationAction", back_populates="appeals")
+    reviewer = relationship(
+        "User",
+        foreign_keys=[reviewed_by],
+        backref="reviewed_appeals",
+    )
+
+    __table_args__ = (
+        CheckConstraint(
+            "status IN ('pending', 'approved', 'rejected')",
+            name="check_appeal_status",
+        ),
+    )