subscriptions.py

"""A collection of methods that make interaction with coreDB more straight-forward.

This prevents someone from having to re-write database statements many times, that might turn out to be erroneous
or inconsistent when not careful.
"""

from typing import Any
from uuid import UUID

from orchestrator.db import (
    ProcessTable,
    ProductTable,
    ResourceTypeTable,
    SubscriptionInstanceTable,
    SubscriptionInstanceValueTable,
    SubscriptionTable,
)
from orchestrator.services.subscriptions import query_in_use_by_subscriptions
from orchestrator.types import SubscriptionLifecycle
from pydantic_forms.types import UUIDstr

from gso.products import ProductType

SubscriptionType = dict[str, Any]


def get_active_subscriptions(
    product_type: str,
    includes: list[str] | None = None,
    excludes: list[str] | None = None,
) -> list[SubscriptionType]:
    """Retrieve active subscriptions for a specific product type.

    :param product_type: The type of the product for which to retrieve subscriptions.
    :type product_type: str
    :param includes: List of fields to be included in the returned Subscription objects.
    :type includes: list[str]
    :param excludes: List of fields to be excluded from the returned Subscription objects.
    :type excludes: list[str]

    :return: A list of Subscription objects that match the query.
    :rtype: list[Subscription]
    """
    if not includes:
        includes = [col.name for col in SubscriptionTable.__table__.columns]

    if excludes:
        includes = [field for field in includes if field not in excludes]

    dynamic_fields = [getattr(SubscriptionTable, field) for field in includes]

    query = SubscriptionTable.query.join(ProductTable).filter(
        ProductTable.product_type == product_type,
        SubscriptionTable.status == SubscriptionLifecycle.ACTIVE,
    )

    results = query.with_entities(*dynamic_fields).all()

    return [dict(zip(includes, result, strict=True)) for result in results]


def get_active_site_subscriptions(
    includes: list[str] | None = None,
) -> list[SubscriptionType]:
    """Retrieve active subscriptions specifically for sites.

    :param includes: The fields to be included in the returned Subscription objects.
    :type includes: list[str]

    :return: A list of Subscription objects for sites.
    :rtype: list[Subscription]
    """
    return get_active_subscriptions(product_type=ProductType.SITE, includes=includes)


def get_active_router_subscriptions(
    includes: list[str] | None = None,
) -> list[SubscriptionType]:
    """Retrieve active subscriptions specifically for routers.

    :param includes: The fields to be included in the returned Subscription objects.
    :type includes: list[str]

    :return: A list of Subscription objects for routers.
    :rtype: list[Subscription]
    """
    return get_active_subscriptions(product_type="Router", includes=includes)


def get_active_iptrunk_subscriptions(
        includes: list[str] | None = None,
) -> list[SubscriptionType]:
    """Retrieve active subscriptions specifically for IP trunks.

    :param includes: The fields to be included in the returned Subscription objects.
    :type includes: list[str]

    :return: A list of Subscription objects for IP trunks.
    :rtype: list[Subscription]
    """
    return get_active_subscriptions(product_type="Iptrunk", includes=includes)


def get_active_trunks_that_terminate_on_router(subscription_id: UUIDstr) -> list[SubscriptionTable]:
    """Get all IP trunk subscriptions that are active, and terminate on the given ``subscription_id`` of a Router.

    Given a ``subscription_id`` of a Router subscription, this method gives a list of all active IP trunk subscriptions
    that terminate on this Router.

    :param subscription_id: Subscription ID of a Router
    :type subscription_id: UUIDstr

    :return: A list of IP trunk subscriptions
    :rtype: list[SubscriptionTable]
    """
    return query_in_use_by_subscriptions(UUID(subscription_id)).join(ProductTable).filter(
        ProductTable.product_type == "Iptrunk",
        SubscriptionTable.status == "active",
    ).all()


def get_product_id_by_name(product_name: ProductType) -> UUID:
    """Retrieve the :term:`UUID` of a product by its name.

    :param product_name: The name of the product.
    :type product_name: ProductType

    :return UUID: The :term:`UUID` of the product.
    :rtype: UUID
    """
    return ProductTable.query.filter_by(name=product_name).first().product_id


def get_active_subscriptions_by_field_and_value(field_name: str, field_value: str) -> list[SubscriptionTable]:
    """Retrieve a list of active subscriptions based on a specified field and its value.

    :param field_name: The name of the field to filter by.
    :type field_name: str

    :param field_value: The value of the field to match.
    :type field_value: Any

    :return: A list of active Subscription objects that match the criteria.
    :rtype: List[SubscriptionTable]
    """
    return (
        SubscriptionTable.query.join(ProductTable)
        .join(SubscriptionInstanceTable)
        .join(SubscriptionInstanceValueTable)
        .join(ResourceTypeTable)
        .filter(SubscriptionInstanceValueTable.value == field_value)
        .filter(ResourceTypeTable.resource_type == field_name)
        .filter(SubscriptionTable.status == SubscriptionLifecycle.ACTIVE)
        .all()
    )


def count_incomplete_validate_products() -> int:
    """Count the number of incomplete validate_products processes.

    :return: The count of incomplete 'validate_products' processes.
    :rtype: int
    """
    return ProcessTable.query.filter(
        ProcessTable.workflow_name == "validate_products",
        ProcessTable.last_status != "completed",
    ).count()


def get_insync_subscriptions() -> list[SubscriptionTable]:
    """Retrieve all subscriptions that are currently in sync."""
    return SubscriptionTable.query.join(ProductTable).filter(SubscriptionTable.insync.is_(True)).all()