Pastebin

# contact_edit.html

{% extends 'crm/base.html' %}

{% load django_bootstrap5 %}


{% block content %}
    <h2>New contact</h2>
    <form method="POST" class="form">
        {% csrf_token %}

        {% bootstrap_form form %}

        <button type="submit" class="save btn btn-secondary">Save</button>
    </form>
    <pre class="debug">
    contact_edit.html
    </pre>
{% endblock %}

# contact_form.html

{% extends 'crm/base.html' %}
{% load django_bootstrap5 %}


{% block content %}
    <h2>Edit contact</h2>
    <form method="POST" class="form">
        {% csrf_token %}

        {% bootstrap_form form %}

        <button type="submit" class="save btn btn-secondary">Save</button>
    </form>
    <pre class="debug">
    contact_form.html
    </pre>
{% endblock %}


# views.py

new(request):
    if request.method == "POST":
        form = ContactForm(request.POST)
        if form.is_valid():
            contact = form.save(commit=False)
            contact.save()
            return redirect('contacts_view')
    else:
        form = ContactForm()
    return render(request, 'crm/contact_edit.html', {'form': form})

def contact_edit(request, pk):
    contact = get_object_or_404(Contact, pk=pk)
    if request.method == "POST":
        form = ContactForm(request.POST, instance=contact)
        if form.is_valid():
            contact = form.save(commit=False)
            contact.save()
            return redirect('contacts_view')
    else:
        form = ContactForm(instance=contact)
    return render(request, 'crm/contact_edit.html', {'form': form})


class ContactEditView(UpdateView):
    model = Contact

    fields = ('name',
              'customer',
              'email',
              'phone',
              'title',
              'notes',
              'created_on',
              )

    template_name_suffix = "_form"