Django: UpdateView не показывает правильное значение BooleanField в шаблоне

У меня есть следующий проект Django, разработанный с использованием Generic Class Based View.

models.py

from datetime import datetime

from django.urls import reverse


class Product(models.Model):
    prodName = models.CharField(max_length=50, default=None, unique=True)

    def __str__(self):
        return self.prodName

class Shipment(models.Model):
    product = models.ForeignKey(Product, on_delete=models.CASCADE)
    cost = models.IntegerField(max_length=4)
    orderDate = models.DateTimeField(default=datetime.now, editable=False)
    quantity = models.IntegerField(max_length=4)
    receieved = models.BooleanField()
    
    def __str__(self):
        return f'{self.product}: {self.orderDate}

views.py

from django.urls import reverse_lazy
from django.views.generic import CreateView, UpdateView, DeleteView, ListView
from .models import Product, Shipment

# Create your views here.

class ShipmentListView(ListView):
    model = Shipment
    fields = '__all__'
    
class ProductCreateView(CreateView):
    model= Product
    fields = ['prodName']
    success_url= reverse_lazy('modalform:shipDetail')
    
class ShipmentCreateView(CreateView):
    model = Shipment
    fields = ('product', 'cost', 'quantity', 'receieved')
    success_url= reverse_lazy('modalform:shipDetail')
    
class ShipmentUpdateView(UpdateView):
    model= Shipment
    # template_name: str= 'modal_form/shipment_update.html'
    fields = ('product', 'cost', 'quantity', 'receieved')
    success_url= reverse_lazy('modalform:shipDetail')
    
class ShipmentDeleteView(DeleteView):
    model = Shipment
    success_url= reverse_lazy('modalform:shipDetail')

shipment_form.html

{% block content %}
<div class="border rounded-1 p-4 d-flex flex-column">
    {% if not form.instance.pk %}
    <h3>Create Shipment</h3>
    {% else %}
    <h3>Update Shipment</h3>
    {% endif %}
    <hr>
    
    <form action="" method="post">

        <label class="form-check-label" for="product">
            Product
        </label>
        <select class="form-control" name="product" id="product">
            {% for id, choice in form.product.field.choices %}

            <option value="{{ id }}" {% if form.instance.pk and choice|stringformat:'s' == shipment.product|stringformat:'s'%} selected {% endif %} >
                {{ choice }}
            </option>
            {% endfor %}
        </select>

        <label class="form-check-label" for="cost">
            Cost
        </label>
        <input type="number" name="cost" id="cost" placeholder="0.00" class="w-100 p-2 form-control" value="{{ shipment.cost }}">

        <label class="form-check-label" for="quantity">
            Quantity
        </label>
        <input type="number" name="quantity" id="quantity" placeholder="0" class="w-100 p-2 form-control" value="{{ shipment.quantity }}">

        {% if form.instance.pk %}
        <input type="checkbox" name="receieved" id="receieved" class="form-check-input p-2" {% if shipment.receieved %} checked="checked" {% endif %}>
        <label class="form-check-label" for="receieved">
            Received ?
        </label>
        {% endif %}
        {% csrf_token %}

        <hr>
        {% if not form.instance.pk %}
        <input type="submit" class="btn btn btn-primary" value="Create Shipment">
        {% else %}
        <input type="submit" class="btn btn-secondary" value="Update Shipment">
        {% endif %}
        <a href="{% url 'modalform:shipDetail' %}" class="btn btn-primary">Cancel</a>
    </form>
</div>
This is Create Page
<div class="border rounded-1 p-4 d-flex flex-column">
    {% if form.errors %}
    {% for field in form %}

    {% for error in field.errors %}
    {{field.label}}: {{ error|escape }} <br>
    {% endfor %}

    {% endfor %}
    {% endif %}
</div>

{% endblock %}

urls.py

from django.urls import re_path as url
from .views import ProductCreateView, ShipmentCreateView, ShipmentListView,ShipmentUpdateView, ShipmentDeleteView

app_name = 'modalform'

urlpatterns = [
    url(r'^$', ShipmentListView.as_view(), name='shipDetail'),
    url(r'^create_prod/$', ProductCreateView.as_view(), name='create_prod'),
    url(r'^create_ship/$', ShipmentCreateView.as_view(), name='create_ship'),
    url(r'^update_ship/(?P<pk>\d+)/$', ShipmentUpdateView.as_view(), name='update_ship'),
    url(r'^delete_ship/(?P<pk>\d+)/$', ShipmentDeleteView.as_view(), name='delete_ship'),
]

В форме Create Shipment поля OrderDate и Received не отображаются и после создания устанавливаются как datetime.now и False соответственно. Когда я пытаюсь update отправить груз, я могу получить сохраненные значения для всех полей, кроме receieved. Это значение всегда отображается как False, даже когда значение в Backend равно True, и также правильно отображается в ShipmentListView.

Примечание: Поскольку форма UpdateView не показывала данные сохранения автоматически, я использовал {{shipment.field_name}} для установки значений полей.

Вернуться на верх