Я пытаюсь получить сумму некоторых методов моей модели и отобразить их на странице результатов. Я не уверен, насколько возможно это сделать в моем views.py. При запуске сервера я получаю следующую ошибку.
Неподдерживаемые типы операндов для + 'method' и 'method'
- models.py
class Organization(ModelFieldRequiredMixin, models.Model):
exist = models.BooleanField(help_text='Does organization exist physically?')
blacklist = models.BooleanField(help_text='Has organization previously been blacklisted by a national authority, funder or fund manager?')
grant_amount = MoneyField(decimal_places=2, max_digits=12, help_text='Total amount of grant(s) from largest donor to organization ')
estimatedAnnual_budget = models.IntegerField(help_text='Estimated annual budget of the organization (inclusive of the largest funder), in US Dollars')
class Scores(ModelFieldRequiredMixin, models.Model):
organization = models.ForeignKey(Organization,on_delete=models.CASCADE)
score = models.DecimalField(max_digits=9, decimal_places=2)
# Section1 - ORGANIZATIONAL BACKGROUND
def exist_score(self):
if self.organization.exist == True:
self.score=0.1
return self.score #The higher score
else:
score=0.1
return self.score #The lower score
def accessibility_score(self):
if self.organization.accessibility == True:
self.score=5
return self.score
else:
score=0
return self.score
def blacklist_score(self):
if self.organization.blacklist == True:
self.score=0
return self.score
else:
score=0
return self.score
# Section2 - PREVIOUS GRANTS & PERFORMANCE
def grant_amount_score(self):
if self.organization.grant_amount >= 2000000:
self.score=3.5
return self.score
else:
score=0
return self.score
def estimatedAnnual_budget_score(self):
if self.organization.estimatedAnnual_budget == True:
self.score=2
return self.score
else:
score=0.1
return self.score
Views.py
def results_view(request):
scores=Scores()
previous_implementation = scores.exist_score + scores.accessibility_score + scores.blacklist_score + scores.grant_amount_score + scores.estimatedAnnual_budget_score