79 lines
2.4 KiB
Python
79 lines
2.4 KiB
Python
"""add groups and group_members tables
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Revision ID: 0003_add_groups_and_members
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Revises: 0002_add_date_of_birth_to_users
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Create Date: 2025-01-01 00:00:00.000000
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"""
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import postgresql
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# revision identifiers, used by Alembic.
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revision: str = "0003_add_groups_and_members"
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down_revision: Union[str, None] = "0002_add_date_of_birth_to_users"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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"""Create groups and group_members tables."""
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# Create group_member_role ENUM type
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group_member_role = postgresql.ENUM(
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"owner", "admin", "member", name="group_member_role"
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)
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group_member_role.create(op.get_bind(), checkfirst=True)
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# Create groups table
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op.create_table(
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"groups",
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sa.Column("id", sa.Integer(), primary_key=True, index=True),
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sa.Column("name", sa.String(length=255), nullable=False),
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sa.Column("description", sa.Text(), nullable=True),
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sa.Column(
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"owner_id",
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sa.Integer(),
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sa.ForeignKey("users.id", ondelete="CASCADE"),
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nullable=False,
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),
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sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now(), onupdate=sa.func.now()),
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)
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# Create group_members table
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op.create_table(
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"group_members",
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sa.Column(
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"group_id",
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sa.Integer(),
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sa.ForeignKey("groups.id", ondelete="CASCADE"),
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primary_key=True,
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),
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sa.Column(
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"user_id",
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sa.Integer(),
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sa.ForeignKey("users.id", ondelete="CASCADE"),
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primary_key=True,
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),
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sa.Column(
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"role",
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postgresql.ENUM(
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"owner", "admin", "member", name="group_member_role", create_type=False
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),
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nullable=False,
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default="member",
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),
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sa.Column("joined_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
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)
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def downgrade() -> None:
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"""Drop group_members and groups tables."""
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op.drop_table("group_members")
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op.drop_table("groups")
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# Drop group_member_role ENUM type
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postgresql.ENUM(name="group_member_role").drop(op.get_bind(), checkfirst=True)
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