UMBRA/backend/alembic/versions/058_project_members.py
Kyle Pope bef856fd15 Add collaborative project sharing, task assignments, and delta polling
Enables multi-user project collaboration mirroring the shared calendar
pattern. Includes ProjectMember model with permission levels, task
assignment with auto-membership, optimistic locking, field allowlist
for assignees, disconnect cascade, delta polling for projects and
calendars, and full frontend integration with share sheet, assignment
picker, permission gating, and notification handling.

Migrations: 057 (indexes + version + comment user_id), 058
(project_members), 059 (project_task_assignments)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-17 03:18:35 +08:00

46 lines
2.1 KiB
Python

"""add project_members table
Revision ID: 058
Revises: 057
Create Date: 2025-01-01 00:00:00.000000
"""
from alembic import op
import sqlalchemy as sa
# revision identifiers, used by Alembic.
revision = "058"
down_revision = "057"
branch_labels = None
depends_on = None
def upgrade() -> None:
op.create_table(
"project_members",
sa.Column("id", sa.Integer(), primary_key=True, autoincrement=True),
sa.Column("project_id", sa.Integer(), sa.ForeignKey("projects.id", ondelete="CASCADE"), nullable=False),
sa.Column("user_id", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False),
sa.Column("invited_by", sa.Integer(), sa.ForeignKey("users.id", ondelete="CASCADE"), nullable=False),
sa.Column("permission", sa.String(20), nullable=False),
sa.Column("status", sa.String(20), nullable=False, server_default="pending"),
sa.Column("source", sa.String(20), nullable=False, server_default="invited"),
sa.Column("created_at", sa.DateTime(), server_default=sa.func.now()),
sa.Column("updated_at", sa.DateTime(), server_default=sa.func.now()),
sa.Column("accepted_at", sa.DateTime(), nullable=True),
sa.UniqueConstraint("project_id", "user_id", name="uq_project_members_proj_user"),
sa.CheckConstraint("permission IN ('read_only', 'create_modify')", name="ck_project_members_permission"),
sa.CheckConstraint("status IN ('pending', 'accepted', 'rejected')", name="ck_project_members_status"),
sa.CheckConstraint("source IN ('invited', 'auto_assigned')", name="ck_project_members_source"),
)
op.create_index("ix_project_members_user_id", "project_members", ["user_id"])
op.create_index("ix_project_members_project_id", "project_members", ["project_id"])
op.create_index("ix_project_members_status", "project_members", ["status"])
def downgrade() -> None:
op.drop_index("ix_project_members_status", table_name="project_members")
op.drop_index("ix_project_members_project_id", table_name="project_members")
op.drop_index("ix_project_members_user_id", table_name="project_members")
op.drop_table("project_members")