Files
modbison/backend/alembic/versions/0003_trust_safety.py
T

288 lines
11 KiB
Python

"""trust & safety schema
Revision ID: 0003_trust_safety
Revises: 0002_add_date_of_birth_to_users
Create Date: 2025-01-01 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:
"""Create trust & safety tables and extend users table."""
# ── ENUM types ──────────────────────────────────────────────
# role enum for users table
user_role = postgresql.ENUM(
"user", "moderator", "admin", name="user_role", create_type=True
)
user_role.create(op.get_bind(), checkfirst=True)
# report target_type enum
report_target_type = postgresql.ENUM(
"user", "world", "asset", "chat_message",
name="report_target_type", create_type=True,
)
report_target_type.create(op.get_bind(), checkfirst=True)
# reason_category enum
reason_category = postgresql.ENUM(
"harassment", "hate_speech", "sexual_content", "violence",
"spam", "self_harm", "other",
name="reason_category", create_type=True,
)
reason_category.create(op.get_bind(), checkfirst=True)
# report status enum
report_status = postgresql.ENUM(
"open", "in_review", "resolved", "dismissed",
name="report_status", create_type=True,
)
report_status.create(op.get_bind(), checkfirst=True)
# resolution enum
resolution_enum = postgresql.ENUM(
"action_taken", "no_action", "false_positive",
name="resolution", create_type=True,
)
resolution_enum.create(op.get_bind(), checkfirst=True)
# moderation action enum
moderation_action = postgresql.ENUM(
"warn", "suspend", "ban", "restrict", "remove", "restore",
name="moderation_action", create_type=True,
)
moderation_action.create(op.get_bind(), checkfirst=True)
# moderation target_type enum
mod_target_type = postgresql.ENUM(
"user", "world", "asset", "chat_message",
name="moderation_target_type", create_type=True,
)
mod_target_type.create(op.get_bind(), checkfirst=True)
# appeal status enum
appeal_status = postgresql.ENUM(
"pending", "approved", "rejected",
name="appeal_status", create_type=True,
)
appeal_status.create(op.get_bind(), checkfirst=True)
# ── Extend users table ──────────────────────────────────────
op.add_column(
"users",
sa.Column(
"role",
postgresql.ENUM("user", "moderator", "admin", name="user_role"),
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"), nullable=False),
sa.Column(
"target_type",
postgresql.ENUM(
"user", "world", "asset", "chat_message", name="report_target_type"
),
nullable=False,
),
sa.Column("target_id", sa.String(length=64), nullable=False),
sa.Column(
"reason_category",
postgresql.ENUM(
"harassment", "hate_speech", "sexual_content", "violence",
"spam", "self_harm", "other",
name="reason_category",
),
nullable=False,
),
sa.Column(
"details",
sa.Text(),
nullable=True,
),
sa.Column(
"status",
postgresql.ENUM(
"open", "in_review", "resolved", "dismissed",
name="report_status",
),
nullable=False,
server_default="open",
),
sa.Column("resolved_by", sa.Integer(), sa.ForeignKey("users.id"), nullable=True),
sa.Column(
"resolution",
postgresql.ENUM(
"action_taken", "no_action", "false_positive",
name="resolution",
),
nullable=True,
),
sa.Column("resolved_at", sa.DateTime(timezone=True), 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=True,
),
sa.UniqueConstraint(
"reporter_id", "target_type", "target_id",
name="uq_reporter_target",
),
)
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)
op.create_index(op.f("ix_reports_status"), "reports", ["status"], 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"), nullable=False),
sa.Column("target_user_id", sa.Integer(), sa.ForeignKey("users.id"), nullable=True),
sa.Column(
"target_type",
postgresql.ENUM(
"user", "world", "asset", "chat_message",
name="moderation_target_type",
),
nullable=False,
),
sa.Column("target_id", sa.String(length=64), nullable=True),
sa.Column(
"action",
postgresql.ENUM(
"warn", "suspend", "ban", "restrict", "remove", "restore",
name="moderation_action",
),
nullable=False,
),
sa.Column("reason", sa.Text(), nullable=True),
sa.Column("report_id", sa.Integer(), sa.ForeignKey("reports.id"), 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)
op.create_index(op.f("ix_moderation_actions_target_user_id"), "moderation_actions", ["target_user_id"], unique=False)
op.create_index(op.f("ix_moderation_actions_report_id"), "moderation_actions", ["report_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"),
nullable=False,
),
sa.Column("user_id", sa.Integer(), sa.ForeignKey("users.id"), nullable=False),
sa.Column("reason", sa.Text(), nullable=False),
sa.Column(
"status",
postgresql.ENUM(
"pending", "approved", "rejected",
name="appeal_status",
),
nullable=False,
server_default="pending",
),
sa.Column("reviewed_by", sa.Integer(), sa.ForeignKey("users.id"), 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,
),
)
op.create_index(op.f("ix_appeals_id"), "appeals", ["id"], unique=False)
op.create_index(op.f("ix_appeals_moderation_action_id"), "appeals", ["moderation_action_id"], unique=False)
op.create_index(op.f("ix_appeals_user_id"), "appeals", ["user_id"], unique=False)
op.create_index(op.f("ix_appeals_status"), "appeals", ["status"], unique=False)
def downgrade() -> None:
"""Drop trust & safety tables and revert users table."""
# Drop indexes first
op.drop_index(op.f("ix_appeals_status"), table_name="appeals")
op.drop_index(op.f("ix_appeals_user_id"), table_name="appeals")
op.drop_index(op.f("ix_appeals_moderation_action_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_report_id"), table_name="moderation_actions")
op.drop_index(op.f("ix_moderation_actions_target_user_id"), table_name="moderation_actions")
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_status"), table_name="reports")
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")
# Remove columns from users table
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_target_type").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="report_target_type").drop(op.get_bind(), checkfirst=True)
postgresql.ENUM(name="user_role").drop(op.get_bind(), checkfirst=True)