Looking at the options, I've also experimented with creating a custom
Model method.
The following almost works ( The division at the end returns an error
and I'm new at Python so need to work that out)
def av_rating(self):
queryset = self.review_set.all()
x=0
y=0
for rating in queryset:
x=x+rating.rating
y=y+1
return x/y
{{ objects.av_rating }} is the tag that is then put in the template.
Can anybody comment on the disadvantage/advantages of using this type
of custom model method? Also, if anybody can advise me on how I get
the division to work - that would also be appreciated - Django returns
a Zero Division error.
MerMer
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