"""add chat notification settings Revision ID: 0009_chat_notification_settings Revises: 0008_user_last_seen_presence Create Date: 2026-03-08 14:00:00.000000 """ from typing import Sequence, Union from alembic import op import sqlalchemy as sa revision: str = "0009_chat_notification_settings" down_revision: Union[str, Sequence[str], None] = "0008_user_last_seen_presence" branch_labels: Union[str, Sequence[str], None] = None depends_on: Union[str, Sequence[str], None] = None def upgrade() -> None: op.create_table( "chat_notification_settings", sa.Column("id", sa.Integer(), nullable=False), sa.Column("chat_id", sa.Integer(), nullable=False), sa.Column("user_id", sa.Integer(), nullable=False), sa.Column("muted", sa.Boolean(), nullable=False, server_default=sa.text("false")), sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), sa.ForeignKeyConstraint(["chat_id"], ["chats.id"], name=op.f("fk_chat_notification_settings_chat_id_chats"), ondelete="CASCADE"), sa.ForeignKeyConstraint(["user_id"], ["users.id"], name=op.f("fk_chat_notification_settings_user_id_users"), ondelete="CASCADE"), sa.PrimaryKeyConstraint("id", name=op.f("pk_chat_notification_settings")), sa.UniqueConstraint("chat_id", "user_id", name="uq_chat_notification_settings_chat_user"), ) op.create_index(op.f("ix_chat_notification_settings_id"), "chat_notification_settings", ["id"], unique=False) op.create_index( op.f("ix_chat_notification_settings_chat_id"), "chat_notification_settings", ["chat_id"], unique=False, ) op.create_index( op.f("ix_chat_notification_settings_user_id"), "chat_notification_settings", ["user_id"], unique=False, ) def downgrade() -> None: op.drop_index(op.f("ix_chat_notification_settings_user_id"), table_name="chat_notification_settings") op.drop_index(op.f("ix_chat_notification_settings_chat_id"), table_name="chat_notification_settings") op.drop_index(op.f("ix_chat_notification_settings_id"), table_name="chat_notification_settings") op.drop_table("chat_notification_settings")