"""add trust & safety columns and tables Revision ID: 0003_trust_safety Revises: 0002_add_date_of_birth_to_users Create Date: 2025-07-10 00:00:00.000000 """ from typing import Sequence, Union from alembic import op import sqlalchemy as sa from sqlalchemy.dialects import postgresql # revision identifiers, used by Alembic. revision: str = "0003_trust_safety" down_revision: Union[str, None] = "0002_add_date_of_birth_to_users" branch_labels: Union[str, Sequence[str], None] = None depends_on: Union[str, Sequence[str], None] = None def upgrade() -> None: """Add role/banned_until/suspended_until to users, and create reports, moderation_actions, and appeals tables.""" # ── ENUM types ────────────────────────────────────────────── role_enum = postgresql.ENUM("user", "moderator", "admin", name="role") role_enum.create(op.get_bind(), checkfirst=True) target_type_enum = postgresql.ENUM( "user", "world", "asset", "chat_message", name="target_type" ) target_type_enum.create(op.get_bind(), checkfirst=True) reason_category_enum = postgresql.ENUM( "harassment", "hate_speech", "sexual_content", "violence", "spam", "self_harm", "other", name="reason_category", ) reason_category_enum.create(op.get_bind(), checkfirst=True) report_status_enum = postgresql.ENUM( "open", "in_review", "resolved", "dismissed", name="report_status" ) report_status_enum.create(op.get_bind(), checkfirst=True) resolution_enum = postgresql.ENUM( "action_taken", "action_not_needed", "duplicate", "escalated", name="resolution", ) resolution_enum.create(op.get_bind(), checkfirst=True) moderation_action_enum = postgresql.ENUM( "warn", "suspend", "ban", "restrict", "remove", "restore", name="moderation_action", ) moderation_action_enum.create(op.get_bind(), checkfirst=True) appeal_status_enum = postgresql.ENUM( "pending", "approved", "rejected", name="appeal_status" ) appeal_status_enum.create(op.get_bind(), checkfirst=True) # ── users table changes ───────────────────────────────────── op.add_column( "users", sa.Column( "role", role_enum, nullable=False, server_default="user", ), ) op.add_column( "users", sa.Column("banned_until", sa.DateTime(timezone=True), nullable=True), ) op.add_column( "users", sa.Column("suspended_until", sa.DateTime(timezone=True), nullable=True), ) # ── reports table ─────────────────────────────────────────── op.create_table( "reports", sa.Column("id", sa.BigInteger(), primary_key=True, autoincrement=True), sa.Column( "reporter_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False ), sa.Column( "target_type", target_type_enum, nullable=False, ), sa.Column("target_id", sa.String(length=64), nullable=False), sa.Column( "reason_category", reason_category_enum, nullable=False, ), sa.Column("details", sa.Text(), nullable=True), sa.Column( "status", report_status_enum, nullable=False, server_default="open", ), sa.Column( "resolved_by", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True, ), sa.Column( "resolution", resolution_enum, nullable=True, ), sa.Column( "created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False, ), sa.Column( "updated_at", sa.DateTime(timezone=True), onupdate=sa.func.now(), nullable=False, ), sa.Column("resolved_at", sa.DateTime(timezone=True), nullable=True), sa.UniqueConstraint("reporter_id", "target_type", "target_id"), ) op.create_index(op.f("ix_reports_id"), "reports", ["id"], unique=False) op.create_index(op.f("ix_reports_reporter_id"), "reports", ["reporter_id"], unique=False) # ── moderation_actions table ──────────────────────────────── op.create_table( "moderation_actions", sa.Column("id", sa.BigInteger(), primary_key=True, autoincrement=True), sa.Column( "moderator_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False, ), sa.Column( "target_user_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True, ), sa.Column( "target_type", target_type_enum, nullable=False, ), sa.Column("target_id", sa.String(length=64), nullable=False), sa.Column( "action", moderation_action_enum, nullable=False, ), sa.Column("reason", sa.Text(), nullable=False), sa.Column( "report_id", sa.Integer(), sa.ForeignKey("reports.id", ondelete="SET NULL"), nullable=True, ), sa.Column("expires_at", sa.DateTime(timezone=True), nullable=True), sa.Column("revoked_at", sa.DateTime(timezone=True), nullable=True), sa.Column( "created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False, ), ) op.create_index(op.f("ix_moderation_actions_id"), "moderation_actions", ["id"], unique=False) op.create_index( op.f("ix_moderation_actions_moderator_id"), "moderation_actions", ["moderator_id"], unique=False, ) # ── appeals table ─────────────────────────────────────────── op.create_table( "appeals", sa.Column("id", sa.BigInteger(), primary_key=True, autoincrement=True), sa.Column( "moderation_action_id", sa.Integer(), sa.ForeignKey("moderation_actions.id", ondelete="CASCADE"), nullable=False, ), sa.Column( "user_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False, ), sa.Column("reason", sa.Text(), nullable=False), sa.Column( "status", appeal_status_enum, nullable=False, server_default="pending", ), sa.Column( "reviewed_by", sa.Integer(), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True, ), sa.Column("reviewed_at", sa.DateTime(timezone=True), nullable=True), sa.Column( "created_at", sa.DateTime(timezone=True), server_default=sa.func.now(), nullable=False, ), sa.UniqueConstraint("moderation_action_id", "user_id"), ) op.create_index(op.f("ix_appeals_id"), "appeals", ["id"], unique=False) op.create_index(op.f("ix_appeals_user_id"), "appeals", ["user_id"], unique=False) def downgrade() -> None: """Remove trust & safety tables and columns.""" op.drop_index(op.f("ix_appeals_user_id"), table_name="appeals") op.drop_index(op.f("ix_appeals_id"), table_name="appeals") op.drop_table("appeals") op.drop_index(op.f("ix_moderation_actions_moderator_id"), table_name="moderation_actions") op.drop_index(op.f("ix_moderation_actions_id"), table_name="moderation_actions") op.drop_table("moderation_actions") op.drop_index(op.f("ix_reports_reporter_id"), table_name="reports") op.drop_index(op.f("ix_reports_id"), table_name="reports") op.drop_table("reports") op.drop_column("users", "suspended_until") op.drop_column("users", "banned_until") op.drop_column("users", "role") # Drop ENUM types postgresql.ENUM(name="appeal_status").drop(op.get_bind(), checkfirst=True) postgresql.ENUM(name="moderation_action").drop(op.get_bind(), checkfirst=True) postgresql.ENUM(name="resolution").drop(op.get_bind(), checkfirst=True) postgresql.ENUM(name="report_status").drop(op.get_bind(), checkfirst=True) postgresql.ENUM(name="reason_category").drop(op.get_bind(), checkfirst=True) postgresql.ENUM(name="target_type").drop(op.get_bind(), checkfirst=True) postgresql.ENUM(name="role").drop(op.get_bind(), checkfirst=True)