Closes #951: Provide a side-by-side view of rack elevations

netbox/dcim/forms.py

@@ -1,6 +1,5 @@
-import re
-
 from mptt.forms import TreeNodeChoiceField
+import re
 
 from django import forms
 from django.contrib.postgres.forms.array import SimpleArrayField
@@ -21,9 +20,9 @@ from .models import (
     DeviceBay, DeviceBayTemplate, CONNECTION_STATUS_CHOICES, CONNECTION_STATUS_PLANNED, CONNECTION_STATUS_CONNECTED,
     ConsolePort, ConsolePortTemplate, ConsoleServerPort, ConsoleServerPortTemplate, Device, DeviceRole, DeviceType,
     Interface, IFACE_FF_CHOICES, IFACE_FF_LAG, IFACE_ORDERING_CHOICES, InterfaceConnection, InterfaceTemplate,
-    Manufacturer, InventoryItem, Platform, PowerOutlet, PowerOutletTemplate, PowerPort, PowerPortTemplate, RACK_TYPE_CHOICES,
-    RACK_WIDTH_CHOICES, Rack, RackGroup, RackReservation, RackRole, Region, Site, STATUS_CHOICES, SUBDEVICE_ROLE_CHILD,
-    SUBDEVICE_ROLE_PARENT, VIRTUAL_IFACE_TYPES
+    Manufacturer, InventoryItem, Platform, PowerOutlet, PowerOutletTemplate, PowerPort, PowerPortTemplate,
+    RACK_TYPE_CHOICES, RACK_WIDTH_CHOICES, Rack, RackGroup, RackReservation, RackRole, Region, Site, STATUS_CHOICES,
+    SUBDEVICE_ROLE_CHILD, SUBDEVICE_ROLE_PARENT, VIRTUAL_IFACE_TYPES,
 )
 
 

netbox/dcim/urls.py

@@ -47,6 +47,7 @@ urlpatterns = [
 
     # Racks
     url(r'^racks/$', views.RackListView.as_view(), name='rack_list'),
+    url(r'^rack-elevations/$', views.RackElevationListView.as_view(), name='rack_elevation_list'),
     url(r'^racks/add/$', views.RackEditView.as_view(), name='rack_add'),
     url(r'^racks/import/$', views.RackBulkImportView.as_view(), name='rack_import'),
     url(r'^racks/edit/$', views.RackBulkEditView.as_view(), name='rack_bulk_edit'),

netbox/dcim/views.py

@@ -6,6 +6,7 @@ from operator import attrgetter
 from django.contrib import messages
 from django.contrib.auth.decorators import permission_required
 from django.contrib.auth.mixins import PermissionRequiredMixin
+from django.core.paginator import EmptyPage, PageNotAnInteger
 from django.db.models import Count
 from django.http import HttpResponseRedirect
 from django.shortcuts import get_object_or_404, redirect, render
@@ -17,6 +18,7 @@ from ipam.models import Prefix, Service, VLAN
 from circuits.models import Circuit
 from extras.models import Graph, TopologyMap, GRAPH_TYPE_INTERFACE, GRAPH_TYPE_SITE
 from utilities.forms import ConfirmationForm
+from utilities.paginator import EnhancedPaginator
 from utilities.views import (
     BulkDeleteView, BulkEditView, BulkImportView, ObjectDeleteView, ObjectEditView, ObjectListView,
 )
@@ -291,6 +293,46 @@ class RackListView(ObjectListView):
     template_name = 'dcim/rack_list.html'
 
 
+class RackElevationListView(View):
+    """
+    Display a set of rack elevations side-by-side.
+    """
+
+    def get(self, request):
+
+        racks = Rack.objects.select_related(
+            'site', 'group', 'tenant', 'role'
+        ).prefetch_related(
+            'devices__device_type'
+        )
+        racks = filters.RackFilter(request.GET, racks).qs
+        total_count = racks.count()
+
+        # Pagination
+        paginator = EnhancedPaginator(racks, 25)
+        page_number = request.GET.get('page', 1)
+        try:
+            page = paginator.page(page_number)
+        except PageNotAnInteger:
+            page = paginator.page(1)
+        except EmptyPage:
+            page = paginator.page(paginator.num_pages)
+
+        # Determine rack face
+        if request.GET.get('face') == '1':
+            face_id = 1
+        else:
+            face_id = 0
+
+        return render(request, 'dcim/rack_elevation_list.html', {
+            'paginator': paginator,
+            'page': page,
+            'total_count': total_count,
+            'face_id': face_id,
+            'filter_form': forms.RackFilterForm(request.GET),
+        })
+
+
 def rack(request, pk):
 
     rack = get_object_or_404(Rack.objects.select_related('site__region', 'tenant__group', 'group', 'role'), pk=pk)