Django: Summing values
- by Anry
I have a two Model - Project and Cost.
class Project(models.Model):
title = models.CharField(max_length=150)
url = models.URLField()
manager = models.ForeignKey(User)
class Cost(models.Model):
project = models.ForeignKey(Project)
cost = models.FloatField()
date = models.DateField()
I must return the sum of costs for each project.
view.py:
from mypm.costs.models import Project, Cost
from django.shortcuts import render_to_response
from django.db.models import Avg, Sum
def index(request):
#...
return render_to_response('index.html',...
How?
