website/conservancy/local_context_processors.py

from datetime import datetime as DateTime

from . import settings
from .fundgoal.models import FundraisingGoal

SITE_FUNDGOAL = 'cy2022-end-year-match'

def fundgoal_lookup(fundraiser_sought):
    try:
        return FundraisingGoal.objects.get(fundraiser_code_name=fundraiser_sought)
    except FundraisingGoal.DoesNotExist:
        # we have no object!  do something
        return None

def sitefundraiser(request):
    return {
        'datetime_now': DateTime.now(),
        'sitefundgoal': fundgoal_lookup(SITE_FUNDGOAL),
    }

if settings.FORCE_CANONICAL_HOSTNAME:
    _HOST_URL_VAR = {'host_url': 'https://' + settings.FORCE_CANONICAL_HOSTNAME}
    def host_url(request):
        return _HOST_URL_VAR
else:
    def host_url(request):
        return {'host_url': request.build_absolute_uri('/').rstrip('/')}