Comment trier sur les propriétés de ServerHttp en cliquant sur les entetes du tableau

models.py

# coding: utf-8
from django.db import models


class Server(models.Model):

    """
        Server
    """
    server = models.CharField(max_length=200)
    watch = models.BooleanField(default=True)
    swap_limit = models.IntegerField()
    cpu_limit = models.IntegerField()

    def https(self):
        return ServerHttp.objects.filter(server=self).order_by('env')


class ServerHttp(models.Model):

    """
        HTTP Service monitoring
    """
    env = models.CharField(max_length=255, unique=True)
    server = models.ForeignKey(Server, related_name='+', blank=True)
    port = models.IntegerField()

template.html

        <table class='table table-hover table-bordered table-striped'>
        <thead>
            <tr>
                <th>Environnement<a href="">v</a> <a href="">^</a></th><th>Port <a href="">v</a> <a href="">^</a></th>
            </tr>
        </thead>
        {% for http in object.https %}
        <tbody>
             <tr>
                <td>{{ http.env }}</td>
                <td>{{ http.port }}</td>
            </tr>
        </tbody>
        {% endfor %}
        </table>

views.py

class ServerDetail(DetailView):
    model = Server
    slug_field = 'server'

    def get_queryset(self):
        return Server.objects.filter(server=self.kwargs['slug'])