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Synapse-Cortex / Synapse-Cortexv2 / alembic / versions / f9c7b6d20d09_initial_schema.py 9405 B · main 
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"""initial schema

Revision ID: f9c7b6d20d09
Revises:
Create Date: 2026-07-05 14:02:24.584357

"""
from typing import Sequence, Union

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

# revision identifiers, used by Alembic.
revision: str = 'f9c7b6d20d09'
down_revision: Union[str, None] = None
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    bind = op.get_bind()

    # create_type=False on every column-level reference below: the CREATE TYPE
    # statements are issued explicitly right here, once each. Without
    # create_type=False, op.create_table() would additionally auto-emit a
    # second CREATE TYPE per enum the first time it appears in a table,
    # causing a duplicate-type error against a real Postgres server.
    user_role = postgresql.ENUM(
        "global_admin", "tenant_admin", "agent", "requester", name="user_role", create_type=False
    )
    ticket_type = postgresql.ENUM("incident", "request", name="ticket_type", create_type=False)
    ticket_priority = postgresql.ENUM(
        "critical", "high", "medium", "low", name="ticket_priority", create_type=False
    )
    ticket_status = postgresql.ENUM(
        "new", "in_progress", "awaiting_user", "resolved", "closed", name="ticket_status", create_type=False
    )
    asset_type = postgresql.ENUM(
        "server", "workstation", "laptop", "network_device", "mobile", "printer", "other",
        name="asset_type", create_type=False,
    )
    asset_status = postgresql.ENUM(
        "in_service", "in_stock", "in_repair", "retired", name="asset_status", create_type=False
    )
    asset_source = postgresql.ENUM("manual", "netscanxi", name="asset_source", create_type=False)

    for enum_type in (user_role, ticket_type, ticket_priority, ticket_status, asset_type, asset_status, asset_source):
        enum_type.create(bind, checkfirst=True)

    op.create_table(
        "tenants",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("name", sa.String(120), nullable=False, unique=True),
        sa.Column("slug", sa.String(60), nullable=False, unique=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )

    op.create_table(
        "users",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("tenant_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False),
        sa.Column("email", sa.String(255), nullable=False, unique=True),
        sa.Column("full_name", sa.String(120), nullable=False),
        sa.Column("hashed_password", sa.String(255), nullable=False),
        sa.Column("role", user_role, nullable=False, server_default="requester"),
        sa.Column("is_active", sa.Boolean, nullable=False, server_default=sa.true()),
        sa.Column("mfa_enabled", sa.Boolean, nullable=False, server_default=sa.false()),
        sa.Column("mfa_secret", sa.String(32), nullable=True),
        sa.Column("mfa_required", sa.Boolean, nullable=False, server_default=sa.false()),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )
    op.create_index("ix_users_email", "users", ["email"])

    op.create_table(
        "assets",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("tenant_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False),
        sa.Column("asset_id", sa.String(32), nullable=False, unique=True),
        sa.Column("name", sa.String(120), nullable=False),
        sa.Column("asset_type", asset_type, nullable=False, server_default="other"),
        sa.Column("mac_address", sa.String(17), nullable=True),
        sa.Column("ip_address", sa.String(45), nullable=True),
        sa.Column("status", asset_status, nullable=False, server_default="in_stock"),
        sa.Column("location", sa.String(120), nullable=True),
        sa.Column("source", asset_source, nullable=False, server_default="manual"),
        sa.Column("os", sa.String(120), nullable=True),
        sa.Column("software", postgresql.JSON, nullable=True),
        sa.Column("netscanxi_device_type", sa.String(60), nullable=True),
        sa.Column("assigned_to_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )
    op.create_index("ix_assets_asset_id", "assets", ["asset_id"])
    op.create_index(
        "uq_asset_tenant_mac",
        "assets",
        ["tenant_id", "mac_address"],
        unique=True,
        postgresql_where=sa.text("mac_address IS NOT NULL"),
    )

    op.create_table(
        "sla_policies",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("tenant_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False),
        sa.Column("priority", ticket_priority, nullable=False),
        sa.Column("response_time_minutes", sa.Integer, nullable=False),
        sa.Column("resolution_time_minutes", sa.Integer, nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.UniqueConstraint("tenant_id", "priority", name="uq_sla_tenant_priority"),
    )

    op.create_table(
        "tickets",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("tenant_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False),
        sa.Column("ticket_number", sa.String(20), nullable=False),
        sa.Column("title", sa.String(200), nullable=False),
        sa.Column("description", sa.Text, nullable=True),
        sa.Column("ticket_type", ticket_type, nullable=False, server_default="incident"),
        sa.Column("priority", ticket_priority, nullable=False, server_default="medium"),
        sa.Column("status", ticket_status, nullable=False, server_default="new"),
        sa.Column("requester_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("assigned_to_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("asset_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("assets.id", ondelete="SET NULL"), nullable=True),
        sa.Column("sla_policy_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("sla_policies.id", ondelete="SET NULL"), nullable=True),
        sa.Column("response_due_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("resolution_due_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("resolved_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("updated_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.UniqueConstraint("tenant_id", "ticket_number", name="uq_ticket_tenant_number"),
    )
    op.create_index("ix_tickets_ticket_number", "tickets", ["ticket_number"])

    op.create_table(
        "integration_keys",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("tenant_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False, unique=True),
        sa.Column("key_hash", sa.String(64), nullable=False),
        sa.Column("enabled", sa.Boolean, nullable=False, server_default=sa.true()),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
        sa.Column("last_used_at", sa.DateTime(timezone=True), nullable=True),
        sa.Column("created_by_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
    )

    op.create_table(
        "audit_logs",
        sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
        sa.Column("tenant_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False),
        sa.Column("user_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
        sa.Column("action", sa.String(60), nullable=False),
        sa.Column("detail", postgresql.JSON, nullable=True),
        sa.Column("ip_address", sa.String(45), nullable=True),
        sa.Column("created_at", sa.DateTime(timezone=True), server_default=sa.func.now()),
    )
    op.create_index("ix_audit_tenant_created", "audit_logs", ["tenant_id", "created_at"])
    op.create_index("ix_audit_tenant_action", "audit_logs", ["tenant_id", "action"])


def downgrade() -> None:
    bind = op.get_bind()

    op.drop_table("audit_logs")
    op.drop_table("integration_keys")
    op.drop_table("tickets")
    op.drop_table("sla_policies")
    op.drop_table("assets")
    op.drop_table("users")
    op.drop_table("tenants")

    for enum_name in (
        "asset_source", "asset_status", "asset_type", "ticket_status",
        "ticket_priority", "ticket_type", "user_role",
    ):
        postgresql.ENUM(name=enum_name).drop(bind, checkfirst=True)