Recovered orphaned WIP before switching to a new task

backend/app/models/moderation_action.py

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+"""Moderation action model."""
+
+from datetime import datetime
+from enum import Enum as PyEnum
+from typing import Optional
+
+from sqlalchemy import (
+    Column,
+    Enum,
+    ForeignKey,
+    Integer,
+    String,
+    Text,
+    DateTime,
+    func,
+)
+from sqlalchemy.dialects.postgresql import TIMESTAMPTZ
+from sqlalchemy.orm import relationship
+
+from app.database import Base
+
+
+class TargetType(str, PyEnum):
+    """Type of entity being reported or moderated."""
+    USER = "user"
+    WORLD = "world"
+    ASSET = "asset"
+    CHAT_MESSAGE = "chat_message"
+
+
+class ReasonCategory(str, PyEnum):
+    """Category of report reason."""
+    HARASSMENT = "harassment"
+    HATE_SPEECH = "hate_speech"
+    SEXUAL_CONTENT = "sexual_content"
+    VIOLENCE = "violence"
+    SPAM = "spam"
+    SELF_HARM = "self_harm"
+    OTHER = "other"
+
+
+class ReportStatus(str, PyEnum):
+    """Status of a report."""
+    OPEN = "open"
+    IN_REVIEW = "in_review"
+    RESOLVED = "resolved"
+    DISMISSED = "dismissed"
+
+
+class Resolution(str, PyEnum):
+    """Resolution outcome of a report."""
+    ACTION_TAKEN = "action_taken"
+    NO_ACTION = "no_action"
+
+
+class ModerationActionType(str, PyEnum):
+    """Type of moderation action."""
+    WARN = "warn"
+    SUSPEND = "suspend"
+    BAN = "ban"
+    RESTRICT = "restrict"
+    REMOVE = "remove"
+    RESTORE = "restore"
+
+
+class ModerationAction(Base):
+    __tablename__ = "moderation_actions"
+
+    id = Column(Integer, primary_key=True, index=True)
+    moderator_id = Column(
+        Integer,
+        ForeignKey("users.id", ondelete="SET NULL"),
+        nullable=True,
+    )
+    target_user_id = Column(
+        Integer,
+        ForeignKey("users.id", ondelete="SET NULL"),
+        nullable=True,
+    )
+    target_type = Column(
+        Enum(TargetType, name="target_type_enum", create_type=False),
+        nullable=False,
+    )
+    target_id = Column(String(64), nullable=False)
+    action = Column(
+        Enum(ModerationActionType, name="moderation_action_type_enum", create_type=False),
+        nullable=False,
+    )
+    reason = Column(Text, nullable=True)
+    report_id = Column(
+        Integer,
+        ForeignKey("reports.id", ondelete="SET NULL"),
+        nullable=True,
+    )
+    expires_at = Column(TIMESTAMPTZ, nullable=True)
+    revoked_at = Column(TIMESTAMPTZ, nullable=True)
+    created_at = Column(
+        DateTime(timezone=True),
+        server_default=func.now(),
+    )
+
+    # Relationships
+    moderator = relationship(
+        "User",
+        foreign_keys=[moderator_id],
+        back_populates="moderation_actions_given",
+    )
+    target_user = relationship(
+        "User",
+        foreign_keys=[target_user_id],
+        back_populates="moderation_actions_received",
+    )
+    report = relationship("Report", back_populates="moderation_actions")