"""Initial migration - all core tables. Revision ID: 0001_initial Revises: Create Date: 2026-06-28 """ from __future__ import annotations from typing import Sequence, Union from alembic import op import sqlalchemy as sa from sqlalchemy.dialects import postgresql revision: str = "0001_initial" 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: # tenants op.create_table( "tenants", sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True), sa.Column("name", sa.String(200), nullable=False), sa.Column("slug", sa.String(100), nullable=False, unique=True), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), ) op.create_index("ix_tenants_slug", "tenants", ["slug"]) # users 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), sa.Column("name", sa.String(200), nullable=False), sa.Column("password_hash", sa.String(255), nullable=False), sa.Column("role", sa.String(50), nullable=False, server_default="viewer"), sa.Column("is_active", sa.Boolean, nullable=False, server_default=sa.true()), sa.Column("preferences", postgresql.JSONB, nullable=False, server_default=sa.text("'{}'::jsonb")), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), sa.UniqueConstraint("tenant_id", "email", name="uq_users_tenant_email"), ) op.create_index("ix_users_tenant_id", "users", ["tenant_id"]) op.create_index("ix_users_email", "users", ["email"]) # user_tenants op.create_table( "user_tenants", sa.Column("user_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="CASCADE"), primary_key=True), sa.Column("tenant_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("tenants.id", ondelete="CASCADE"), primary_key=True), sa.Column("is_default", sa.Boolean, nullable=False, server_default=sa.false()), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), ) # roles op.create_table( "roles", 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("name", sa.String(100), nullable=False), sa.Column("permissions", postgresql.JSONB, nullable=False), sa.Column("field_permissions", postgresql.JSONB, nullable=False, server_default=sa.text("'{}'::jsonb")), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), ) op.create_index("ix_roles_tenant_id", "roles", ["tenant_id"]) # sessions op.create_table( "sessions", 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="CASCADE"), nullable=False), sa.Column("csrf_token", sa.String(255), nullable=False), sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), ) op.create_index("ix_sessions_tenant_id", "sessions", ["tenant_id"]) op.create_index("ix_sessions_user_id", "sessions", ["user_id"]) # audit_log op.create_table( "audit_log", 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(50), nullable=False), sa.Column("entity_type", sa.String(50), nullable=False), sa.Column("entity_id", postgresql.UUID(as_uuid=True), nullable=True), sa.Column("changes", postgresql.JSONB, nullable=True), sa.Column("timestamp", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), ) op.create_index("ix_audit_log_tenant_id", "audit_log", ["tenant_id"]) op.create_index("ix_audit_log_entity_type", "audit_log", ["entity_type"]) op.create_index("ix_audit_log_user_id", "audit_log", ["user_id"]) op.create_index("ix_audit_log_timestamp", "audit_log", ["timestamp"]) # deletion_log op.create_table( "deletion_log", 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("entity_type", sa.String(50), nullable=False), sa.Column("entity_id", postgresql.UUID(as_uuid=True), nullable=False), sa.Column("entity_snapshot", postgresql.JSONB, nullable=False), sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), ) # notifications op.create_table( "notifications", 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="CASCADE"), nullable=False), sa.Column("type", sa.String(20), nullable=False), sa.Column("title", sa.String(200), nullable=False), sa.Column("body", sa.Text, nullable=True), sa.Column("read_at", sa.DateTime(timezone=True), nullable=True), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), ) op.create_index("ix_notifications_tenant_id", "notifications", ["tenant_id"]) op.create_index("ix_notifications_user_id", "notifications", ["user_id"]) op.create_index("ix_notifications_tenant_user_read", "notifications", ["tenant_id", "user_id", "read_at"]) # password_reset_tokens op.create_table( "password_reset_tokens", 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="CASCADE"), nullable=False), sa.Column("token_hash", sa.String(255), nullable=False), sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False), sa.Column("used_at", sa.DateTime(timezone=True), nullable=True), ) op.create_index("ix_password_reset_tokens_tenant_id", "password_reset_tokens", ["tenant_id"]) op.create_index("ix_password_reset_tokens_user_id", "password_reset_tokens", ["user_id"]) op.create_index("ix_password_reset_tokens_token_hash", "password_reset_tokens", ["token_hash"]) # api_tokens op.create_table( "api_tokens", 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="CASCADE"), nullable=False), sa.Column("token_hash", sa.String(255), nullable=False), sa.Column("name", sa.String(200), nullable=False), sa.Column("scopes", postgresql.JSONB, nullable=False), sa.Column("expires_at", sa.DateTime(timezone=True), nullable=True), sa.Column("last_used_at", sa.DateTime(timezone=True), nullable=True), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), sa.Column("revoked_at", sa.DateTime(timezone=True), nullable=True), ) op.create_index("ix_api_tokens_tenant_id", "api_tokens", ["tenant_id"]) op.create_index("ix_api_tokens_token_hash", "api_tokens", ["token_hash"]) op.create_index("ix_api_tokens_tenant_user", "api_tokens", ["tenant_id", "user_id"]) # companies op.create_table( "companies", 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("name", sa.String(100), nullable=False), sa.Column("account_number", sa.String(40), nullable=True), sa.Column("industry", sa.String(50), nullable=True), sa.Column("phone", sa.String(30), nullable=True), sa.Column("email", sa.String(255), nullable=True), sa.Column("website", sa.String(500), nullable=True), sa.Column("description", sa.Text, nullable=True), sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True), sa.Column("created_by", postgresql.UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True), sa.Column("updated_by", postgresql.UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True), sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()), ) op.create_index("ix_companies_tenant_id", "companies", ["tenant_id"]) op.create_index("ix_companies_tenant_deleted", "companies", ["tenant_id", "deleted_at"]) op.create_index("ix_companies_tenant_name", "companies", ["tenant_id", "name"]) # Enable RLS on tenant-scoped tables for table in ["companies", "users", "roles", "sessions", "audit_log", "notifications", "api_tokens"]: op.execute(f"ALTER TABLE {table} ENABLE ROW LEVEL SECURITY;") op.execute( f"CREATE POLICY tenant_isolation ON {table} " f"USING (tenant_id = current_setting('app.current_tenant_id')::uuid);" ) def downgrade() -> None: for table in ["companies", "api_tokens", "password_reset_tokens", "notifications", "deletion_log", "audit_log", "sessions", "roles", "user_tenants", "users", "tenants"]: op.drop_table(table)