"""Communication: folder_id in comm_conversations for folder organization

Revision ID: 0140
Revises: 0139
Create Date: 2026-08-21

Adds folder_id to comm_conversations for folder-based organization.
"""

from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import UUID as PGUUID

# revision identifiers, used by Alembic.
revision = "0140"
down_revision = "0139"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.add_column("comm_conversations", sa.Column("folder_id", PGUUID(as_uuid=True), nullable=True))
    op.create_index("ix_comm_conversations_folder", "comm_conversations", ["folder_id"])


def downgrade() -> None:
    op.drop_index("ix_comm_conversations_folder", table_name="comm_conversations")
    op.drop_column("comm_conversations", "folder_id")