I found a way!
Am 04.10.2008 um 18:28 schrieb Ulises:
> Anyway, I still think that the heavy lifting should be done in a view
> and that the template should be in charge of just displaying what has
> been sent to it.
And I did it in the view...
models.py:
def get_monthly_expenses(self, user):
expenses = Expense.objects.filter(date__month =
datetime.date.today().month).filter(user__username =
user.username).filter(category = self)
return expenses
def get_monthly_total(self, user):
monthly_total = 0.0
expenses = self.get_monthly_expenses(user)
for expense in expenses:
monthly_total += expense.expense
return monthly_total
views.py:
categories = []
cats = Category.objects.all()
for cat in cats:
expenses = cat.get_monthly_expenses(request.user)
total = cat.get_monthly_total(request.user)
categories.append({'category': cat, 'expenses': expenses,
'total': total})
template:
{% if categories %}
{% for category in categories %}
{% if category.expenses %}
<p>{{ category.category }}</p>
{% for expense in category.expenses %}
<p>{{ expense.date }}: {{ expense.expense }}</p>
{% endfor %}
<p>{{ category.total }}</p>
{% endif %}
{% endfor %}
{% endif %}
Thanks!
-benjamin
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