PMFlow/backend/alembic/versions/20260428_add_workspace_memb...

130 lines
6.2 KiB
Python

"""add workspace memberships
Revision ID: 20260428_add_workspace_memberships
Revises: 20260427_add_human_capacity_overrides
Create Date: 2026-04-28
"""
from __future__ import annotations
from alembic import op
import sqlalchemy as sa
try:
from sqlalchemy.dialects.postgresql import JSONB
except Exception: # pragma: no cover
JSONB = sa.JSON
revision = "20260428_add_workspace_memberships"
down_revision = "20260427_add_human_capacity_overrides"
branch_labels = None
depends_on = None
def _json_type(bind):
return JSONB() if bind.dialect.name == "postgresql" else sa.JSON()
def _table_exists(bind, table_name: str) -> bool:
return sa.inspect(bind).has_table(table_name)
def _column_exists(bind, table_name: str, column_name: str) -> bool:
if not _table_exists(bind, table_name):
return False
return any(column["name"] == column_name for column in sa.inspect(bind).get_columns(table_name))
def _index_exists(bind, table_name: str, index_name: str) -> bool:
if not _table_exists(bind, table_name):
return False
return any(index["name"] == index_name for index in sa.inspect(bind).get_indexes(table_name))
def upgrade() -> None:
bind = op.get_bind()
json_type = _json_type(bind)
if _table_exists(bind, "tenants"):
if not _column_exists(bind, "tenants", "workspace_type"):
op.add_column("tenants", sa.Column("workspace_type", sa.String(length=32), nullable=False, server_default="team"))
if not _column_exists(bind, "tenants", "slug"):
op.add_column("tenants", sa.Column("slug", sa.String(length=120), nullable=True))
if not _column_exists(bind, "tenants", "owner_user_id"):
op.add_column("tenants", sa.Column("owner_user_id", sa.BigInteger(), nullable=True))
if not _column_exists(bind, "tenants", "status"):
op.add_column("tenants", sa.Column("status", sa.String(length=32), nullable=False, server_default="active"))
if not _table_exists(bind, "tenant_memberships"):
op.create_table(
"tenant_memberships",
sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
sa.Column("tenant_id", sa.BigInteger(), nullable=False, index=True),
sa.Column("created_at", sa.TIMESTAMP(), server_default=sa.func.now(), nullable=False),
sa.Column("updated_at", sa.TIMESTAMP(), server_default=sa.func.now(), nullable=False),
sa.Column("user_id", sa.BigInteger(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False, index=True),
sa.Column("role", sa.String(length=50), nullable=False),
sa.Column("status", sa.String(length=32), nullable=False, server_default="active"),
sa.Column("is_personal_owner", sa.Boolean(), nullable=False, server_default=sa.false()),
sa.UniqueConstraint("tenant_id", "user_id", name="uq_tenant_memberships_tenant_user"),
)
op.create_index("ix_tenant_memberships_tenant_status", "tenant_memberships", ["tenant_id", "status"], unique=False)
if not _table_exists(bind, "tenant_invitations"):
op.create_table(
"tenant_invitations",
sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
sa.Column("tenant_id", sa.BigInteger(), nullable=False, index=True),
sa.Column("created_at", sa.TIMESTAMP(), server_default=sa.func.now(), nullable=False),
sa.Column("updated_at", sa.TIMESTAMP(), server_default=sa.func.now(), nullable=False),
sa.Column("email", sa.String(length=255), nullable=False, index=True),
sa.Column("role", sa.String(length=50), nullable=False),
sa.Column("project_ids", json_type, nullable=False),
sa.Column("token_hash", sa.String(length=128), nullable=False, unique=True, index=True),
sa.Column("status", sa.String(length=32), nullable=False, server_default="pending"),
sa.Column("expires_at", sa.TIMESTAMP(), nullable=False),
sa.Column("invited_by_user_id", sa.BigInteger(), sa.ForeignKey("users.id"), nullable=False),
sa.Column("accepted_by_user_id", sa.BigInteger(), sa.ForeignKey("users.id"), nullable=True),
)
op.create_index("ix_tenant_invitations_tenant_status", "tenant_invitations", ["tenant_id", "status"], unique=False)
# Backfill current single-workspace users into membership rows.
if _table_exists(bind, "users") and _table_exists(bind, "tenant_memberships"):
if bind.dialect.name == "postgresql":
op.execute(
"""
INSERT INTO tenant_memberships (tenant_id, user_id, role, status, is_personal_owner, created_at, updated_at)
SELECT users.tenant_id, users.id, users.role, 'active', false, NOW(), NOW()
FROM users
WHERE users.tenant_id IS NOT NULL
ON CONFLICT ON CONSTRAINT uq_tenant_memberships_tenant_user DO NOTHING
"""
)
else:
op.execute(
"""
INSERT OR IGNORE INTO tenant_memberships (tenant_id, user_id, role, status, is_personal_owner, created_at, updated_at)
SELECT users.tenant_id, users.id, users.role, 'active', 0, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP
FROM users
WHERE users.tenant_id IS NOT NULL
"""
)
def downgrade() -> None:
bind = op.get_bind()
if _table_exists(bind, "tenant_invitations"):
if _index_exists(bind, "tenant_invitations", "ix_tenant_invitations_tenant_status"):
op.drop_index("ix_tenant_invitations_tenant_status", table_name="tenant_invitations")
op.drop_table("tenant_invitations")
if _table_exists(bind, "tenant_memberships"):
if _index_exists(bind, "tenant_memberships", "ix_tenant_memberships_tenant_status"):
op.drop_index("ix_tenant_memberships_tenant_status", table_name="tenant_memberships")
op.drop_table("tenant_memberships")
if _table_exists(bind, "tenants"):
for column_name in ("status", "owner_user_id", "slug", "workspace_type"):
if _column_exists(bind, "tenants", column_name):
op.drop_column("tenants", column_name)