Support

• cours5.html

Préparation

L’ancien

$ git pull
$ cd fwm4
$ pipenv --rm

Le nouveau

$ cd fwm5
$ pipenv install

Au programme

• créer
• modifier
• les menus
• supprimer
• debugger

Parefeu

webui/views.py

from django.views.generic.edit import CreateView

class ParefeuCreate(CreateView):
    model = Parefeu
    fields = ['nom', 'modele']
    template_name = "webui/object_create.html"

    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['menu_parefeu'] = 'active'
        return context

    def form_valid(self, form):
        form.instance.admin = self.request.user
        return super(ParefeuCreate, self).form_valid(form)

Parefeu

webui/templates/webui/object_create.html

{% extends "webui/home.html" %}
{% block content %}
<h1>Création</h1>
<form enctype="multipart/form-data" method="post">
    {% csrf_token %}
    <table class="table table-striped">
    {{form.as_table}}
    <tr><td colspan=2>
            <button class="btn btn-primary btn-block"
                    type="submit"/>Enregistrer</button>
        </td>
    </tr></table>
</form>
{% endblock %}

Parefeu

webui/models.py

from django.urls import reverse

class Parefeu(AvecNom):
    # ...

    def get_absolute_url(self):
        # return reverse('parefeu-detail',
        #                kwargs={'pk': self.pk})
        return reverse('parefeux')

Parefeu

conf/urls.py

path('parefeu/add/', 
     login_required(views.ParefeuCreate.as_view()),
     name='parefeu-create'),

Parefeu

webui/templates/webui/parefeu_list.html

<a href="{% url 'parefeu-create' %}"
   class="btn btn-success" role="button">Ajouter</a>

Parefeu

À faire

• ajouter un parefeu avec modèle Serveur Web
• afficher le modèle dans parefeu_detail.html

Parefeu

webui/views.py

from django.views.generic.edit import UpdateView
class ParefeuUpdate(UpdateView):
    model = Parefeu
    fields = ['nom', 'modele']
    template_name = "webui/object_update.html"

Parefeu

webui/templates/webui/object_update.html

{% extends "webui/home.html" %}
{% block content %}
<h1>Modification</h1>
<form enctype="multipart/form-data" method="post">
    {% csrf_token %}
    <table class="table table-striped">
    {{form.as_table}}
    <tr><td colspan=2>
        <button class="btn btn-primary btn-block"
                type="submit"/>Modifier</button>
    </td></tr>
    </table>
</form>
{% endblock %}

Parefeu

conf/urls.py

path('parefeu/<int:pk>/update/',
     login_required(views.ParefeuUpdate.as_view()),
     name='parefeu-update'),

Parefeu

À faire

• ajouter un bouton de modification sur la page de détail d’un parefeu

Factorisation

webui/views.py

class ParefeuMenu(object):
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['menu_parefeu'] = 'active'
        return context

Factorisation

webui/views.py

class ParefeuCreate(ParefeuMenu, CreateView):
# supprimer get_context_data()

class ParefeuUpdate(ParefeuMenu, UpdateView):
# supprimer get_context_data()

class ParefeuDetail(ParefeuMenu, DetailView):
# supprimer get_context_data()

class ParefeuList(ParefeuMenu, ListView):
# supprimer get_context_data()

Parefeu

webui/views.py

from django.views.generic.edit import DeleteView
from django.urls import reverse_lazy

class ParefeuDelete(ParefeuMenu, DeleteView):
    model = Parefeu
    # lazy: interprétation plus tard
    success_url = reverse_lazy('parefeux')

Parefeu

webui/templates/webui/parefeu_confirm_delete.html

{% extends "webui/home.html" %}
{% block content %}
<h1>Suppression</h1><form method="post">{% csrf_token %}
<p>Êtes-vous sûr de vouloir supprimer le parefeu '{{ object.nom }}' ?</p>
<a href="{% url 'parefeu-detail' object.pk %}"
   class="btn btn-primary" role="button">Annuler</a>
<button class="btn btn-danger" type="submit"/>Supprimer</button>
</form>
{%  endblock %}

Parefeu

conf/urls.py

path('parefeu/<int:pk>/delete/',
     login_required(views.ParefeuDelete.as_view()),
     name='parefeu-delete'),

Parefeu

À faire

• ajouter un bouton de suppression sur la page de détail d’un parefeu
• créer un nouveau parefeu
• le supprimer

Prérequis

$ pipenv install --dev Werkzeug
$ pipenv run ./manage.py runserver_plus --nopin

Utiliser

def home_v2(request):
    a += 1
...