Law/alembic/versions/0007_add_topic_status_transitions.py
2026-02-23 15:20:00 +03:00

51 lines
2.1 KiB
Python

"""add topic status transitions
Revision ID: 0007_topic_status_transitions
Revises: 0006_request_read_markers
Create Date: 2026-02-23
"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql
revision = "0007_topic_status_transitions"
down_revision = "0006_request_read_markers"
branch_labels = None
depends_on = None
def upgrade():
op.create_table(
"topic_status_transitions",
sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
sa.Column("created_at", sa.DateTime(timezone=True), nullable=True),
sa.Column("updated_at", sa.DateTime(timezone=True), nullable=True),
sa.Column(
"responsible",
sa.String(length=200),
nullable=False,
server_default=sa.text("'Администратор системы'"),
),
sa.Column("topic_code", sa.String(length=50), nullable=False),
sa.Column("from_status", sa.String(length=50), nullable=False),
sa.Column("to_status", sa.String(length=50), nullable=False),
sa.Column("enabled", sa.Boolean(), nullable=False, server_default=sa.text("true")),
sa.Column("sort_order", sa.Integer(), nullable=False, server_default="0"),
sa.UniqueConstraint(
"topic_code",
"from_status",
"to_status",
name="uq_topic_status_transitions_topic_from_to",
),
)
op.create_index("ix_topic_status_transitions_topic_code", "topic_status_transitions", ["topic_code"])
op.create_index("ix_topic_status_transitions_from_status", "topic_status_transitions", ["from_status"])
op.create_index("ix_topic_status_transitions_to_status", "topic_status_transitions", ["to_status"])
def downgrade():
op.drop_index("ix_topic_status_transitions_to_status", table_name="topic_status_transitions")
op.drop_index("ix_topic_status_transitions_from_status", table_name="topic_status_transitions")
op.drop_index("ix_topic_status_transitions_topic_code", table_name="topic_status_transitions")
op.drop_table("topic_status_transitions")