implement hosting package option choice view

- implement new hostingpackages.views.HostingOptionChoices
- add URL pattern 'hosting_option_choices' to hostingpackages.urls
- add template hostingpackages/customerhostingpackage_option_choices.html
- link from hostingpackages/customerhostingpackage_detail.html to
  'hosting_package_choices'

gnuviechadmin/hostingpackages/urls.py

@@ -8,9 +8,10 @@ from django.conf.urls import patterns, url
 
 from .views import (
     AllCustomerHostingPackageList,
-    CreateHostingPackage,
     CreateCustomerHostingPackage,
+    CreateHostingPackage,
     CustomerHostingPackageDetails,
+    HostingOptionChoices,
 )
 
 
@@ -27,4 +28,7 @@ urlpatterns = patterns(
     url(r'^allpackages/',
         AllCustomerHostingPackageList.as_view(),
         name='all_hosting_packages'),
+    url(r'^(?P<pk>\d+)/option-choices$',
+        HostingOptionChoices.as_view(),
+        name='hosting_option_choices'),
 )

gnuviechadmin/hostingpackages/views.py

@@ -26,7 +26,12 @@ from .forms import (
     CreateCustomerHostingPackageForm,
     CreateHostingPackageForm,
 )
-from .models import CustomerHostingPackage
+from .models import (
+    CustomerHostingPackage,
+    DiskSpaceOption,
+    MailboxOption,
+    UserDatabaseOption,
+)
 
 
 class CreateHostingPackage(
@@ -111,3 +116,32 @@ class AllCustomerHostingPackageList(
 ):
     model = CustomerHostingPackage
     template_name_suffix = '_admin_list'
+
+
+class HostingOptionChoices(
+    LoginRequiredMixin, StaffuserRequiredMixin, DetailView
+):
+    """
+    This view displays choices of hosting options for a customer hosting
+    package.
+
+    """
+    model = CustomerHostingPackage
+    context_object_name = 'hostingpackage'
+    template_name_suffix = '_option_choices'
+
+    def get_context_data(self, **kwargs):
+        context = super(HostingOptionChoices, self).get_context_data(
+            **kwargs)
+        context.update({
+            'customer': self.get_object().customer,
+            'hosting_options': (
+                (_('Disk space'),
+                 DiskSpaceOption.objects.all()),
+                (_('Mailboxes'),
+                 MailboxOption.objects.all()),
+                (_('Databases'),
+                 UserDatabaseOption.objects.all())
+            ),
+        })
+        return context

gnuviechadmin/templates/hostingpackages/customerhostingpackage_detail.html

@@ -58,7 +58,7 @@
       <p class="panel-body text-info">{% trans "No options booked" %}</p>
       {% endif %}
       {% if user.is_staff %}
-      <p class="panel-body"><a class="btn btn-primary" href="#" title="{% trans "Add another hosting option" %}">{% trans "Add option" %}</a></p>
+      <p class="panel-body"><a class="btn btn-primary" href="{% url 'hosting_option_choices' pk=hostingpackage.id %}" title="{% trans "Add another hosting option" %}">{% trans "Add option" %}</a></p>
       {% endif %}
     </div>
   </div>

gnuviechadmin/templates/hostingpackages/customerhostingpackage_option_choices.html

@@ -0,0 +1,23 @@
+{% extends "hostingpackages/base.html"%}
+{% load i18n %}
+
+{% block title %}{{ block.super }} - {% blocktrans with package=hostingpackage.name full_name=customer.get_full_name %}Choose new Option for Hosting Package {{ package }} of Customer {{ full_name }}{% endblocktrans %}{% endblock title %}
+
+{% block page_title %}{% blocktrans with package=hostingpackage.name full_name=customer.get_full_name %}Choose new Option for Hosting Package {{ package }} of Customer {{ full_name }}{% endblocktrans %}{% endblock page_title %}
+
+{% block content %}
+<div class="row">
+  {% for label, items in hosting_options %}
+  <div class="col-lg-4 col-md-4 col-xs-12">
+    <div class="panel panel-default">
+      <div class="panel-heading">{{ label }}</div>
+      <ul class="list-group">
+        {% for item in items %}
+        <li class="list-group-item"><a href="#"><i class="glyphicon glyphicon-plus-sign"></i> {{ item }}</a></li>
+        {% endfor %}
+      </ul>
+    </div>
+  </div>
+  {% endfor %}
+</div>
+{% endblock %}