Function create_new_app_variant

api/oss/src/services/db_manager.py:466–533

Create a new variant. Args: variant_name (str): The name of the variant. project_id (str): The ID of the project. base (VariantBaseDB): The base of the variant. config (ConfigDB): The config of the variant. base_name (str): The name of the variant base.

(
    app: AppDB,
    user: UserDB,
    variant_name: str,
    project_id: str,
    base: VariantBaseDB,
    config: ConfigDB,
    base_name: str,
    commit_message: Optional[str] = None,
)

async def create_new_app_variant(
    app: AppDB,
    user: UserDB,
    variant_name: str,
    project_id: str,
    base: VariantBaseDB,
    config: ConfigDB,
    base_name: str,
    commit_message: Optional[str] = None,
) -> AppVariantDB:
    """Create a new variant.

    Args:
        variant_name (str): The name of the variant.
        project_id (str): The ID of the project.
        base (VariantBaseDB): The base of the variant.
        config (ConfigDB): The config of the variant.
        base_name (str): The name of the variant base.
        commit_message (Optional[str]): The commit message for the new variant.

    Returns:
        AppVariantDB: The created variant.
    """

    assert (
        config.parameters == {}
    ), "Parameters should be empty when calling create_new_app_variant (otherwise revision should not be set to 0)"

    async with engine.core_session() as session:
        variant = AppVariantDB(
            app_id=app.id,
            project_id=uuid.UUID(project_id),
            modified_by_id=user.id,
            revision=0,
            variant_name=variant_name,
            base_id=base.id,
            base_name=base_name,
            config_name=config.config_name,
            config_parameters=config.parameters,
        )

        session.add(variant)

        await session.commit()
        await session.refresh(
            variant,
            attribute_names=[
                "app",
                "base",
            ],
        )  # Ensures the app, user and base relationship are loaded

        variant_revision = AppVariantRevisionsDB(
            variant_id=variant.id,
            revision=0,
            commit_message=commit_message,
            project_id=uuid.UUID(project_id),
            modified_by_id=user.id,