usaspending_api/agency/v2/views/program_activity_count.py
from django.db.models import Exists, OuterRef, Q
from rest_framework.request import Request
from rest_framework.response import Response
from typing import Any
from usaspending_api.agency.v2.views.agency_base import AgencyBase
from usaspending_api.common.cache_decorator import cache_response
from usaspending_api.financial_activities.models import FinancialAccountsByProgramActivityObjectClass
from usaspending_api.references.models import RefProgramActivity
from usaspending_api.submissions.helpers import get_latest_submission_ids_for_fiscal_year
class ProgramActivityCount(AgencyBase):
"""
Obtain the count of program activity categories for a specific agency in a
single fiscal year based on whether or not that program activity has ever
been submitted in File B.
"""
endpoint_doc = "usaspending_api/api_contracts/contracts/v2/agency/toptier_code/program_activity/count.md"
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.params_to_validate = ["fiscal_year"]
@cache_response()
def get(self, request: Request, *args: Any, **kwargs: Any) -> Response:
return Response(
{
"toptier_code": self.toptier_code,
"fiscal_year": self.fiscal_year,
"program_activity_count": self.get_program_activity_count(),
"messages": self.standard_response_messages,
}
)
def get_program_activity_count(self):
submission_ids = get_latest_submission_ids_for_fiscal_year(self.fiscal_year)
filters = [
Q(program_activity_id=OuterRef("pk")),
Q(submission_id__in=submission_ids),
Q(treasury_account__funding_toptier_agency=self.toptier_agency),
Q(
Q(obligations_incurred_by_program_object_class_cpe__gt=0)
| Q(obligations_incurred_by_program_object_class_cpe__lt=0)
| Q(gross_outlay_amount_by_program_object_class_cpe__gt=0)
| Q(gross_outlay_amount_by_program_object_class_cpe__lt=0)
),
]
return (
RefProgramActivity.objects.annotate(
include=Exists(FinancialAccountsByProgramActivityObjectClass.objects.filter(*filters).values("pk"))
)
.filter(include=True)
.values("pk")
.count()
)