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Python Django ORM Total Control Q

Posted by Bertrand Piselli
Bertrand Piselli
1,532 Points

Can't find the answer and the debug is faulty

def product_detail(request, pk): product = get_object_or_404(models.Product, pk=pk) four_weeks_ago = datetime.datetime.today() - datetime.timedelta(days=28) reviews = models.Review.objects.order_by('-created_at').filter( Q(rating_gte=8)|Q(created_at_lt=four_weeks_ago), product=product ) return render(request, 'products/product_detail.html', {'product': product, 'reviews': reviews})

what is wonrg here : when I check the code it says "Use Q..." but I used Q

products/views.py 
import datetime

from django.db.models import Q
from django.shortcuts import render, get_object_or_404

from . import models


def good_reviews(request):
    reviews = models.Review.objects.filter(rating__gte=3)
    return render(request, 'products/reviews.html', {'reviews': reviews})


def recent_reviews(request):
    six_months_ago = datetime.datetime.today() - datetime.timedelta(days=180)
    reviews = models.Review.objects.exclude(created_at__lt=six_months_ago)
    return render(request, 'products/reviews.html', {'reviews': reviews})


def product_detail(request, pk):
    product = get_object_or_404(models.Product, pk=pk)
    four_weeks_ago = datetime.datetime.today() - datetime.timedelta(days=28)
    reviews = product.review_set.order_by('-created_at').all()
    reviews = models.Review.objects.order_by('-created_at').filter(
        Q(rating__gte=8)|Q(created_at__lt=four_weeks_ago),
        product=product
    )
    return render(request, 'products/product_detail.html', {'product': product, 'reviews': reviews})

1 Answer

jacinator
jacinator
11,936 Points
jacinator
jacinator
11,936 Points

Your extremely close. The only change you need to make is change created_at__lt to created_at__gte.

import datetime

from django.db.models import Q
from django.shortcuts import render, get_object_or_404

from . import models


def good_reviews(request):
    reviews = models.Review.objects.filter(rating__gte=3)
    return render(request, 'products/reviews.html', {'reviews': reviews})


def recent_reviews(request):
    six_months_ago = datetime.datetime.today() - datetime.timedelta(days=180)
    reviews = models.Review.objects.exclude(created_at__lt=six_months_ago)
    return render(request, 'products/reviews.html', {'reviews': reviews})


def product_detail(request, pk):
    product = get_object_or_404(models.Product, pk=pk)
    four_weeks_ago = datetime.datetime.today() - datetime.timedelta(days=28)
    reviews = product.review_set.order_by('-created_at').all()
    reviews = models.Review.objects.order_by('-created_at').filter(
        Q(rating__gte=8)|Q(created_at__gte=four_weeks_ago),
        product=product
    )
    return render(request, 'products/product_detail.html', {'product': product, 'reviews': reviews})