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[WEI] Cache optimization

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Signed-off-by: Yohann D'ANELLO <ynerant@crans.org>
This commit is contained in:
Yohann D'ANELLO
2021-09-16 20:05:20 +02:00
parent aa75ce5c7a
commit 79a116d9c6
2 changed files with 27 additions and 9 deletions
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31
apps/wei/forms/surveys/base.py
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@ -50,15 +50,19 @@ class WEIBusInformation:
self.bus.information = d
self.bus.save()
def free_seats(self, surveys: List["WEISurvey"] = None):
size = self.bus.size
already_occupied = WEIMembership.objects.filter(bus=self.bus).count()
def free_seats(self, surveys: List["WEISurvey"] = None, quotas=None):
if not quotas:
size = self.bus.size
already_occupied = WEIMembership.objects.filter(bus=self.bus).count()
quotas = {self.bus: size - already_occupied}
quota = quotas[self.bus]
valid_surveys = sum(1 for survey in surveys if survey.information.valid
and survey.information.get_selected_bus() == self.bus) if surveys else 0
return size - already_occupied - valid_surveys
return quota - valid_surveys
def has_free_seats(self, surveys=None):
return self.free_seats(surveys) > 0
def has_free_seats(self, surveys=None, quotas=None):
return self.free_seats(surveys, quotas) > 0
class WEISurveyAlgorithm:
@ -86,14 +90,20 @@ class WEISurveyAlgorithm:
"""
Queryset of all first year registrations
"""
return WEIRegistration.objects.filter(wei__year=cls.get_survey_class().get_year(), first_year=True)
if not hasattr(cls, '_registrations'):
cls._registrations = WEIRegistration.objects.filter(wei__year=cls.get_survey_class().get_year(),
first_year=True).all()
return cls._registrations
@classmethod
def get_buses(cls) -> QuerySet:
"""
Queryset of all buses of the associated wei.
"""
return Bus.objects.filter(wei__year=cls.get_survey_class().get_year(), size__gt=0)
if not hasattr(cls, '_buses'):
cls._buses = Bus.objects.filter(wei__year=cls.get_survey_class().get_year(), size__gt=0).all()
return cls._buses
@classmethod
def get_bus_information(cls, bus):
@ -135,7 +145,10 @@ class WEISurvey:
"""
The WEI associated to this kind of survey.
"""
return WEIClub.objects.get(year=cls.get_year())
if not hasattr(cls, '_wei'):
cls._wei = WEIClub.objects.get(year=cls.get_year())
return cls._wei
@classmethod
def get_survey_information_class(cls):