add a delete button to the nets table

nets/tables.py

@@ -1,4 +1,5 @@
 import django_tables2 as tables
+from django_tables2.utils import A
 
 from core.tables import CoreTable
 
@@ -10,6 +11,11 @@ class NetsTable(CoreTable):
     id = tables.Column(visible=False)
     name = tables.Column('Net', linkify=True)
     customer = tables.Column('Customer', linkify=True)
+    delete = tables.LinkColumn('net_delete',
+                               text='delete',
+                               args=[A('pk')], attrs={
+                                   'a': {'class': 'delete material-icons', }
+                               })
 
     class Meta(CoreTable.Meta):
         model = Net

nets/templates/nets/net_confirm_delete.html

@@ -0,0 +1,16 @@
+{% extends "core/base.html" %}
+{% block section_title %}Delete net{% endblock %}
+{% block content %}
+<div class="row">
+<form method="post">{% csrf_token %}
+    <p>Are you sure you want to delete the net "{{ object }}"?</p>
+    <button type="submit" class="btn btn-danger">Delete</button>
+    <a href="{% url 'nets' object.customer.pk %}" class="btn btn-primary">Cancel</a>
+    <input type="hidden" id="previous_page" name="previous_page" value="/previous/page/url">
+</form>
+<script>
+    prev = document.getElementById("previous_page");
+    prev.value = document.referrer;
+</script>
+</div>
+{% endblock %}

nets/urls.py

@@ -6,4 +6,6 @@ urlpatterns = [
     path('customer/<int:pk>/nets/', views.nets_table_view,
          name='nets'),
     path('net/<int:pk>/', views.net_detail_view, name='net'),
+    path('delete/net/<int:pk>/', views.NetDeleteView.as_view(),
+         name='net_delete'),
 ]

nets/views.py

@@ -1,7 +1,9 @@
 from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.shortcuts import get_object_or_404
 from django.shortcuts import render
-
+from django.urls import reverse
+from django.views.generic import DeleteView
 from django_tables2 import RequestConfig
 
 from customers.decorators import customer_view_permission
@@ -30,3 +32,10 @@ def net_detail_view(request, pk):
     return render(request, 'nets/net_details.html',
                   {'table': table,
                    'net': net})
+
+
+class NetDeleteView(LoginRequiredMixin, DeleteView):
+    model = Net
+
+    def get_success_url(self):
+        return reverse('nets', args=(self.object.customer.pk,))