Товар добавленный в корзину не отображается в самой корзине, но виден в админке в корзине

**basket.html**

    <div class="container">
        <div class="col-lg-5">
            {% if products %}
                <h4 class="mt3 mb-3 d-flex justify-content-between align-items-center mb-3">
                    Корзина <span class="badge badge-secondary badge-pill">3</span>
                </h4>
                {% for basket in products %}
                  <div class="card mb-3">
                    <div class="card-body">
                      <h5 class="card-title">{{ basket.product.name }}</h5>
                      <p class="card-text">{{ basket.product.description }}</p>
                    </div>
                    <ul class="list-group list-group-flush">
                      <li class="list-group-item bg-light">
                        <div class="row text-center">
                          <div class="col-lg-4">
                            <input name="basketID" type="number" class="form-control" value="{{ basket.quantity }}" min="0">
                          </div>
                          <div class="col-lg-4">1500 р.</div>
                          <div class="col-lg-4">
                            <a href="#"><i class="fas fa-trash"></i></a>
                          </div>
                        </div>
                      </li>
                    </ul>
                  </div>
                {% endfor %}
                <button type="button" class="btn btn-success btn-lg float-right">Оформить</button>
        </div>
            {% else %}
                <h4 class="mt3 mb-3 text-center">Корзина пуста!</h4>
            {% endif %}
    </div>





**views.py**

def basket_add(request, product_id=None):
    product = ProductModel.objects.get(id=product_id)
    baskets = Basket.objects.filter(user=request.user, product=product)

    if not baskets.exists():
        cart = Basket(user=request.user, product=product)
        cart.quantity = 1
        cart.save()
        return HttpResponseRedirect(reverse('shop_app:product'))
    else:
        cart = baskets.first()
        cart.quantity += 1
        cart.save()
        return HttpResponseRedirect(reverse('shop_app:product'))





**product.html**

    {% block catalog %}
    <div class="container text-center">
        <div class="row align-items-center">
            {% for product in products %}
            <div class="col">
                <div class="product-card">
                    <div class="product-tumb">
                        <a href="{% static 'shop_app/img/gallery_1/DC2A0350.jpg' %}" data-fancybox="first_gallery" data-caption="">
                            <img src="{{ product.image.url }}" alt="">
                        </a>
                    </div>
                    <div class="product-details">
                        <span class="product-category">{{ product.category }}</span>
                        <h4><a href="">{{ product.name }}</a></h4>
                        <p>{{ product.description }}</p>
                        <div class="product-bottom-details">
                            <div class="product-price">{{ product.price }}</div>
                            <div class="product-links">
                                <form id="form_buying_product" class="form-inline">
                                    <div class="card-footer text-center">
                                        <a href="{% url 'shop_app:basket_add' product.id %}">
                                            <button type="button" class="btn btn-outline-success">
                                                В корзину
                                            </button>
                                        </a>
                                    </div>
                                </form>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
            {% empty %}
                <p>Нет товаров!</p>
            {% endfor %}
        </div>
    </div>
    {% endblock %}




**models.py**

class Basket(models.Model):
    user = models.ForeignKey(UserDressModel, on_delete=models.CASCADE)
    product = models.ForeignKey(ProductModel, on_delete=models.CASCADE)
    quantity = models.PositiveIntegerField(default=0)

    class Meta:
        verbose_name = 'Корзина'
        verbose_name_plural = 'Корзины'

    def __str__(self):
        return f'Корзина пользователя {self.user.name} | Продукт {self.product.name}'

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