netbox/netbox/dcim/views.py

from django.contrib import messages
from django.contrib.contenttypes.models import ContentType
from django.core.paginator import EmptyPage, PageNotAnInteger
from django.db import transaction
from django.db.models import Prefetch
from django.forms import ModelMultipleChoiceField, MultipleHiddenInput, modelformset_factory
from django.shortcuts import get_object_or_404, redirect, render
from django.urls import reverse
from django.utils.html import escape
from django.utils.safestring import mark_safe
from django.utils.translation import gettext_lazy as _
from django.views.generic import View

from circuits.models import Circuit, CircuitTermination
from extras.views import ObjectConfigContextView, ObjectRenderConfigView
from ipam.models import ASN, IPAddress, Prefix, VLANGroup
from ipam.tables import InterfaceVLANTable, VLANTranslationRuleTable
from netbox.constants import DEFAULT_ACTION_PERMISSIONS
from netbox.views import generic
from tenancy.views import ObjectContactsView
from utilities.forms import ConfirmationForm
from utilities.paginator import EnhancedPaginator, get_paginate_count
from utilities.permissions import get_permission_for_model
from utilities.query import count_related
from utilities.query_functions import CollateAsChar
from utilities.views import (
    GetRelatedModelsMixin, GetReturnURLMixin, ObjectPermissionRequiredMixin, ViewTab, register_model_view
)
from virtualization.filtersets import VirtualMachineFilterSet
from virtualization.forms import VirtualMachineFilterForm
from virtualization.models import Cluster, VirtualMachine
from virtualization.tables import VirtualMachineTable
from wireless.models import WirelessLAN
from . import filtersets, forms, tables
from .choices import DeviceFaceChoices, InterfaceModeChoices
from .models import *

CABLE_TERMINATION_TYPES = {
    'dcim.consoleport': ConsolePort,
    'dcim.consoleserverport': ConsoleServerPort,
    'dcim.powerport': PowerPort,
    'dcim.poweroutlet': PowerOutlet,
    'dcim.interface': Interface,
    'dcim.frontport': FrontPort,
    'dcim.rearport': RearPort,
    'dcim.powerfeed': PowerFeed,
    'circuits.circuittermination': CircuitTermination,
}


class DeviceComponentsView(generic.ObjectChildrenView):
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
        'bulk_disconnect': {'change'},
    }
    queryset = Device.objects.all()

    def get_children(self, request, parent):
        return self.child_model.objects.restrict(request.user, 'view').filter(device=parent)


class DeviceTypeComponentsView(generic.ObjectChildrenView):
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }
    queryset = DeviceType.objects.all()
    template_name = 'dcim/devicetype/component_templates.html'
    viewname = None  # Used for return_url resolution

    def get_children(self, request, parent):
        return self.child_model.objects.restrict(request.user, 'view').filter(device_type=parent)

    def get_extra_context(self, request, instance):
        return {
            'return_url': reverse(self.viewname, kwargs={'pk': instance.pk}),
        }


class ModuleTypeComponentsView(DeviceComponentsView):
    queryset = ModuleType.objects.all()
    template_name = 'dcim/moduletype/component_templates.html'
    viewname = None  # Used for return_url resolution

    def get_children(self, request, parent):
        return self.child_model.objects.restrict(request.user, 'view').filter(module_type=parent)

    def get_extra_context(self, request, instance):
        return {
            'return_url': reverse(self.viewname, kwargs={'pk': instance.pk}),
        }


class BulkDisconnectView(GetReturnURLMixin, ObjectPermissionRequiredMixin, View):
    """
    An extendable view for disconnection console/power/interface components in bulk.
    """
    queryset = None
    template_name = 'dcim/bulk_disconnect.html'

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        # Create a new Form class from ConfirmationForm
        class _Form(ConfirmationForm):
            pk = ModelMultipleChoiceField(
                queryset=self.queryset,
                widget=MultipleHiddenInput()
            )

        self.form = _Form

    def get_required_permission(self):
        return get_permission_for_model(self.queryset.model, 'change')

    def post(self, request):

        selected_objects = []
        return_url = self.get_return_url(request)

        if '_confirm' in request.POST:
            form = self.form(request.POST)

            if form.is_valid():

                with transaction.atomic():
                    count = 0
                    cable_ids = set()
                    for obj in self.queryset.filter(pk__in=form.cleaned_data['pk']):
                        if obj.cable:
                            cable_ids.add(obj.cable.pk)
                            count += 1
                    for cable in Cable.objects.filter(pk__in=cable_ids):
                        cable.delete()

                messages.success(request, _("Disconnected {count} {type}").format(
                    count=count,
                    type=self.queryset.model._meta.verbose_name_plural
                ))

                return redirect(return_url)

        else:
            form = self.form(initial={'pk': request.POST.getlist('pk')})
            selected_objects = self.queryset.filter(pk__in=form.initial['pk'])

        return render(request, self.template_name, {
            'form': form,
            'obj_type_plural': self.queryset.model._meta.verbose_name_plural,
            'selected_objects': selected_objects,
            'return_url': return_url,
        })


class PathTraceView(generic.ObjectView):
    """
    Trace a cable path beginning from the given path endpoint (origin).
    """
    additional_permissions = ['dcim.view_cable']
    template_name = 'dcim/cable_trace.html'

    def dispatch(self, request, *args, **kwargs):
        model = kwargs.pop('model')
        self.queryset = model.objects.all()

        return super().dispatch(request, *args, **kwargs)

    def get_extra_context(self, request, instance):
        related_paths = []

        # If tracing a PathEndpoint, locate the CablePath (if one exists) by its origin
        if isinstance(instance, PathEndpoint):
            path = instance._path

        # Otherwise, find all CablePaths which traverse the specified object
        else:
            related_paths = CablePath.objects.filter(_nodes__contains=instance)
            # Check for specification of a particular path (when tracing pass-through ports)
            try:
                path_id = int(request.GET.get('cablepath_id'))
            except TypeError:
                path_id = None
            if path_id in list(related_paths.values_list('pk', flat=True)):
                path = CablePath.objects.get(pk=path_id)
            else:
                path = related_paths.first()

        # No paths found
        if path is None:
            return {
                'path': None
            }

        # Get the total length of the cable and whether the length is definitive (fully defined)
        total_length, is_definitive = path.get_total_length() if path else (None, False)

        # Determine the path to the SVG trace image
        api_viewname = f"{path.origin_type.app_label}-api:{path.origin_type.model}-trace"
        svg_url = f"{reverse(api_viewname, kwargs={'pk': path.origins[0].pk})}?render=svg"

        return {
            'path': path,
            'related_paths': related_paths,
            'total_length': total_length,
            'is_definitive': is_definitive,
            'svg_url': svg_url,
        }


#
# Regions
#

@register_model_view(Region, 'list', path='', detail=False)
class RegionListView(generic.ObjectListView):
    queryset = Region.objects.add_related_count(
        Region.objects.all(),
        Site,
        'region',
        'site_count',
        cumulative=True
    )
    filterset = filtersets.RegionFilterSet
    filterset_form = forms.RegionFilterForm
    table = tables.RegionTable


@register_model_view(Region)
class RegionView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = Region.objects.all()

    def get_extra_context(self, request, instance):
        regions = instance.get_descendants(include_self=True)

        return {
            'related_models': self.get_related_models(
                request,
                regions,
                omit=(Cluster, Prefix, WirelessLAN),
                extra=(
                    (Location.objects.restrict(request.user, 'view').filter(site__region__in=regions), 'region_id'),
                    (Rack.objects.restrict(request.user, 'view').filter(site__region__in=regions), 'region_id'),
                    (
                        Circuit.objects.restrict(request.user, 'view').filter(
                            terminations___region=instance
                        ).distinct(),
                        'region_id'
                    ),

                    # Handle these relations manually to avoid erroneous filter name resolution
                    (Cluster.objects.restrict(request.user, 'view').filter(_region__in=regions), 'region_id'),
                    (Prefix.objects.restrict(request.user, 'view').filter(_region__in=regions), 'region_id'),
                    (WirelessLAN.objects.restrict(request.user, 'view').filter(_region__in=regions), 'region_id'),
                ),
            ),
        }


@register_model_view(Region, 'add', detail=False)
@register_model_view(Region, 'edit')
class RegionEditView(generic.ObjectEditView):
    queryset = Region.objects.all()
    form = forms.RegionForm


@register_model_view(Region, 'delete')
class RegionDeleteView(generic.ObjectDeleteView):
    queryset = Region.objects.all()


@register_model_view(Region, 'bulk_import', detail=False)
class RegionBulkImportView(generic.BulkImportView):
    queryset = Region.objects.all()
    model_form = forms.RegionImportForm


@register_model_view(Region, 'bulk_edit', path='edit', detail=False)
class RegionBulkEditView(generic.BulkEditView):
    queryset = Region.objects.add_related_count(
        Region.objects.all(),
        Site,
        'region',
        'site_count',
        cumulative=True
    )
    filterset = filtersets.RegionFilterSet
    table = tables.RegionTable
    form = forms.RegionBulkEditForm


@register_model_view(Region, 'bulk_delete', path='delete', detail=False)
class RegionBulkDeleteView(generic.BulkDeleteView):
    queryset = Region.objects.add_related_count(
        Region.objects.all(),
        Site,
        'region',
        'site_count',
        cumulative=True
    )
    filterset = filtersets.RegionFilterSet
    table = tables.RegionTable


@register_model_view(Region, 'contacts')
class RegionContactsView(ObjectContactsView):
    queryset = Region.objects.all()


#
# Site groups
#

@register_model_view(SiteGroup, 'list', path='', detail=False)
class SiteGroupListView(generic.ObjectListView):
    queryset = SiteGroup.objects.add_related_count(
        SiteGroup.objects.all(),
        Site,
        'group',
        'site_count',
        cumulative=True
    )
    filterset = filtersets.SiteGroupFilterSet
    filterset_form = forms.SiteGroupFilterForm
    table = tables.SiteGroupTable


@register_model_view(SiteGroup)
class SiteGroupView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = SiteGroup.objects.all()

    def get_extra_context(self, request, instance):
        groups = instance.get_descendants(include_self=True)

        return {
            'related_models': self.get_related_models(
                request,
                groups,
                omit=(Cluster, Prefix, WirelessLAN),
                extra=(
                    (Location.objects.restrict(request.user, 'view').filter(site__group__in=groups), 'site_group_id'),
                    (Rack.objects.restrict(request.user, 'view').filter(site__group__in=groups), 'site_group_id'),
                    (
                        Circuit.objects.restrict(request.user, 'view').filter(
                            terminations___site_group=instance
                        ).distinct(),
                        'site_group_id'
                    ),

                    # Handle these relations manually to avoid erroneous filter name resolution
                    (
                        Cluster.objects.restrict(request.user, 'view').filter(_site_group__in=groups),
                        'site_group_id'
                    ),
                    (
                        Prefix.objects.restrict(request.user, 'view').filter(_site_group__in=groups),
                        'site_group_id'
                    ),
                    (
                        WirelessLAN.objects.restrict(request.user, 'view').filter(_site_group__in=groups),
                        'site_group_id'
                    ),
                ),
            ),
        }


@register_model_view(SiteGroup, 'add', detail=False)
@register_model_view(SiteGroup, 'edit')
class SiteGroupEditView(generic.ObjectEditView):
    queryset = SiteGroup.objects.all()
    form = forms.SiteGroupForm


@register_model_view(SiteGroup, 'delete')
class SiteGroupDeleteView(generic.ObjectDeleteView):
    queryset = SiteGroup.objects.all()


@register_model_view(SiteGroup, 'bulk_import', detail=False)
class SiteGroupBulkImportView(generic.BulkImportView):
    queryset = SiteGroup.objects.all()
    model_form = forms.SiteGroupImportForm


@register_model_view(SiteGroup, 'bulk_edit', path='edit', detail=False)
class SiteGroupBulkEditView(generic.BulkEditView):
    queryset = SiteGroup.objects.add_related_count(
        SiteGroup.objects.all(),
        Site,
        'group',
        'site_count',
        cumulative=True
    )
    filterset = filtersets.SiteGroupFilterSet
    table = tables.SiteGroupTable
    form = forms.SiteGroupBulkEditForm


@register_model_view(SiteGroup, 'bulk_delete', path='delete', detail=False)
class SiteGroupBulkDeleteView(generic.BulkDeleteView):
    queryset = SiteGroup.objects.add_related_count(
        SiteGroup.objects.all(),
        Site,
        'group',
        'site_count',
        cumulative=True
    )
    filterset = filtersets.SiteGroupFilterSet
    table = tables.SiteGroupTable


@register_model_view(SiteGroup, 'contacts')
class SiteGroupContactsView(ObjectContactsView):
    queryset = SiteGroup.objects.all()


#
# Sites
#

@register_model_view(Site, 'list', path='', detail=False)
class SiteListView(generic.ObjectListView):
    queryset = Site.objects.annotate(
        device_count=count_related(Device, 'site'),
        asn_count=count_related(ASN, 'sites')
    )
    filterset = filtersets.SiteFilterSet
    filterset_form = forms.SiteFilterForm
    table = tables.SiteTable


@register_model_view(Site)
class SiteView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = Site.objects.prefetch_related('tenant__group')

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(
                request,
                instance,
                omit=(CableTermination, CircuitTermination, Cluster, Prefix, WirelessLAN),
                extra=(
                    (VLANGroup.objects.restrict(request.user, 'view').filter(
                        scope_type=ContentType.objects.get_for_model(Site),
                        scope_id=instance.pk
                    ), 'site'),
                    (ASN.objects.restrict(request.user, 'view').filter(sites=instance), 'site_id'),
                    (
                        Circuit.objects.restrict(request.user, 'view').filter(terminations___site=instance).distinct(),
                        'site_id'
                    ),

                    # Handle these relations manually to avoid erroneous filter name resolution
                    (Cluster.objects.restrict(request.user, 'view').filter(_site=instance), 'site_id'),
                    (Prefix.objects.restrict(request.user, 'view').filter(_site=instance), 'site_id'),
                    (WirelessLAN.objects.restrict(request.user, 'view').filter(_site=instance), 'site_id'),
                ),
            ),
        }


@register_model_view(Site, 'add', detail=False)
@register_model_view(Site, 'edit')
class SiteEditView(generic.ObjectEditView):
    queryset = Site.objects.all()
    form = forms.SiteForm


@register_model_view(Site, 'delete')
class SiteDeleteView(generic.ObjectDeleteView):
    queryset = Site.objects.all()


@register_model_view(Site, 'bulk_import', detail=False)
class SiteBulkImportView(generic.BulkImportView):
    queryset = Site.objects.all()
    model_form = forms.SiteImportForm


@register_model_view(Site, 'bulk_edit', path='edit', detail=False)
class SiteBulkEditView(generic.BulkEditView):
    queryset = Site.objects.all()
    filterset = filtersets.SiteFilterSet
    table = tables.SiteTable
    form = forms.SiteBulkEditForm


@register_model_view(Site, 'bulk_delete', path='delete', detail=False)
class SiteBulkDeleteView(generic.BulkDeleteView):
    queryset = Site.objects.all()
    filterset = filtersets.SiteFilterSet
    table = tables.SiteTable


@register_model_view(Site, 'contacts')
class SiteContactsView(ObjectContactsView):
    queryset = Site.objects.all()


#
# Locations
#

@register_model_view(Location, 'list', path='', detail=False)
class LocationListView(generic.ObjectListView):
    queryset = Location.objects.add_related_count(
        Location.objects.add_related_count(
            Location.objects.all(),
            Device,
            'location',
            'device_count',
            cumulative=True
        ),
        Rack,
        'location',
        'rack_count',
        cumulative=True
    )
    filterset = filtersets.LocationFilterSet
    filterset_form = forms.LocationFilterForm
    table = tables.LocationTable


@register_model_view(Location)
class LocationView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = Location.objects.all()

    def get_extra_context(self, request, instance):
        locations = instance.get_descendants(include_self=True)
        return {
            'related_models': self.get_related_models(
                request,
                locations,
                omit=[CableTermination, Cluster, Prefix, WirelessLAN],
                extra=(
                    (
                        Circuit.objects.restrict(request.user, 'view').filter(
                            terminations___location=instance
                        ).distinct(),
                        'location_id'
                    ),

                    # Handle these relations manually to avoid erroneous filter name resolution
                    (Cluster.objects.restrict(request.user, 'view').filter(_location=instance), 'location_id'),
                    (Prefix.objects.restrict(request.user, 'view').filter(_location=instance), 'location_id'),
                    (WirelessLAN.objects.restrict(request.user, 'view').filter(_location=instance), 'location_id'),
                ),
            ),
        }


@register_model_view(Location, 'add', detail=False)
@register_model_view(Location, 'edit')
class LocationEditView(generic.ObjectEditView):
    queryset = Location.objects.all()
    form = forms.LocationForm


@register_model_view(Location, 'delete')
class LocationDeleteView(generic.ObjectDeleteView):
    queryset = Location.objects.all()


@register_model_view(Location, 'bulk_import', detail=False)
class LocationBulkImportView(generic.BulkImportView):
    queryset = Location.objects.all()
    model_form = forms.LocationImportForm


@register_model_view(Location, 'bulk_edit', path='edit', detail=False)
class LocationBulkEditView(generic.BulkEditView):
    queryset = Location.objects.add_related_count(
        Location.objects.all(),
        Rack,
        'location',
        'rack_count',
        cumulative=True
    ).prefetch_related('site')
    filterset = filtersets.LocationFilterSet
    table = tables.LocationTable
    form = forms.LocationBulkEditForm


@register_model_view(Location, 'bulk_delete', path='delete', detail=False)
class LocationBulkDeleteView(generic.BulkDeleteView):
    queryset = Location.objects.add_related_count(
        Location.objects.all(),
        Rack,
        'location',
        'rack_count',
        cumulative=True
    ).prefetch_related('site')
    filterset = filtersets.LocationFilterSet
    table = tables.LocationTable


@register_model_view(Location, 'contacts')
class LocationContactsView(ObjectContactsView):
    queryset = Location.objects.all()


#
# Rack roles
#

@register_model_view(RackRole, 'list', path='', detail=False)
class RackRoleListView(generic.ObjectListView):
    queryset = RackRole.objects.annotate(
        rack_count=count_related(Rack, 'role')
    )
    filterset = filtersets.RackRoleFilterSet
    filterset_form = forms.RackRoleFilterForm
    table = tables.RackRoleTable


@register_model_view(RackRole)
class RackRoleView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = RackRole.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(RackRole, 'add', detail=False)
@register_model_view(RackRole, 'edit')
class RackRoleEditView(generic.ObjectEditView):
    queryset = RackRole.objects.all()
    form = forms.RackRoleForm


@register_model_view(RackRole, 'delete')
class RackRoleDeleteView(generic.ObjectDeleteView):
    queryset = RackRole.objects.all()


@register_model_view(RackRole, 'bulk_import', detail=False)
class RackRoleBulkImportView(generic.BulkImportView):
    queryset = RackRole.objects.all()
    model_form = forms.RackRoleImportForm


@register_model_view(RackRole, 'bulk_edit', path='edit', detail=False)
class RackRoleBulkEditView(generic.BulkEditView):
    queryset = RackRole.objects.annotate(
        rack_count=count_related(Rack, 'role')
    )
    filterset = filtersets.RackRoleFilterSet
    table = tables.RackRoleTable
    form = forms.RackRoleBulkEditForm


@register_model_view(RackRole, 'bulk_delete', path='delete', detail=False)
class RackRoleBulkDeleteView(generic.BulkDeleteView):
    queryset = RackRole.objects.annotate(
        rack_count=count_related(Rack, 'role')
    )
    filterset = filtersets.RackRoleFilterSet
    table = tables.RackRoleTable


#
# RackTypes
#

@register_model_view(RackType, 'list', path='', detail=False)
class RackTypeListView(generic.ObjectListView):
    queryset = RackType.objects.annotate(
        instance_count=count_related(Rack, 'rack_type')
    )
    filterset = filtersets.RackTypeFilterSet
    filterset_form = forms.RackTypeFilterForm
    table = tables.RackTypeTable


@register_model_view(RackType)
class RackTypeView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = RackType.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(RackType, 'add', detail=False)
@register_model_view(RackType, 'edit')
class RackTypeEditView(generic.ObjectEditView):
    queryset = RackType.objects.all()
    form = forms.RackTypeForm


@register_model_view(RackType, 'delete')
class RackTypeDeleteView(generic.ObjectDeleteView):
    queryset = RackType.objects.all()


@register_model_view(RackType, 'bulk_import', detail=False)
class RackTypeBulkImportView(generic.BulkImportView):
    queryset = RackType.objects.all()
    model_form = forms.RackTypeImportForm


@register_model_view(RackType, 'bulk_edit', path='edit', detail=False)
class RackTypeBulkEditView(generic.BulkEditView):
    queryset = RackType.objects.all()
    filterset = filtersets.RackTypeFilterSet
    table = tables.RackTypeTable
    form = forms.RackTypeBulkEditForm


@register_model_view(RackType, 'bulk_delete', path='delete', detail=False)
class RackTypeBulkDeleteView(generic.BulkDeleteView):
    queryset = RackType.objects.all()
    filterset = filtersets.RackTypeFilterSet
    table = tables.RackTypeTable


#
# Racks
#

@register_model_view(Rack, 'list', path='', detail=False)
class RackListView(generic.ObjectListView):
    queryset = Rack.objects.annotate(
        device_count=count_related(Device, 'rack')
    )
    filterset = filtersets.RackFilterSet
    filterset_form = forms.RackFilterForm
    table = tables.RackTable
    template_name = 'dcim/rack_list.html'


class RackElevationListView(generic.ObjectListView):
    """
    Display a set of rack elevations side-by-side.
    """
    queryset = Rack.objects.prefetch_related('role')

    def get(self, request):

        racks = filtersets.RackFilterSet(request.GET, self.queryset).qs
        total_count = racks.count()

        # Ordering
        ORDERING_CHOICES = {
            'name': 'Name (A-Z)',
            '-name': 'Name (Z-A)',
            'facility_id': 'Facility ID (A-Z)',
            '-facility_id': 'Facility ID (Z-A)',
        }
        sort = request.GET.get('sort', 'name')
        if sort not in ORDERING_CHOICES:
            sort = 'name'
        racks = racks.order_by(sort)

        # Pagination
        per_page = get_paginate_count(request)
        page_number = request.GET.get('page', 1)
        paginator = EnhancedPaginator(racks, per_page)
        try:
            page = paginator.page(page_number)
        except PageNotAnInteger:
            page = paginator.page(1)
        except EmptyPage:
            page = paginator.page(paginator.num_pages)

        # Determine rack face
        rack_face = request.GET.get('face', DeviceFaceChoices.FACE_FRONT)
        if rack_face not in DeviceFaceChoices.values():
            rack_face = DeviceFaceChoices.FACE_FRONT

        return render(request, 'dcim/rack_elevation_list.html', {
            'paginator': paginator,
            'page': page,
            'total_count': total_count,
            'sort': sort,
            'sort_display_name': ORDERING_CHOICES[sort],
            'sort_choices': ORDERING_CHOICES,
            'rack_face': rack_face,
            'filter_form': forms.RackElevationFilterForm(request.GET),
            'model': self.queryset.model,
        })


@register_model_view(Rack)
class RackView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = Rack.objects.prefetch_related('site__region', 'tenant__group', 'location', 'role')

    def get_extra_context(self, request, instance):
        peer_racks = Rack.objects.restrict(request.user, 'view').filter(site=instance.site)

        if instance.location:
            peer_racks = peer_racks.filter(location=instance.location)
        else:
            peer_racks = peer_racks.filter(location__isnull=True)
        next_rack = peer_racks.filter(name__gt=instance.name).first()
        prev_rack = peer_racks.filter(name__lt=instance.name).reverse().first()

        # Determine any additional parameters to pass when embedding the rack elevations
        svg_extra = '&'.join([
            f'highlight=id:{pk}' for pk in request.GET.getlist('device')
        ])

        return {
            'related_models': self.get_related_models(request, instance, [CableTermination]),
            'next_rack': next_rack,
            'prev_rack': prev_rack,
            'svg_extra': svg_extra,
            'peer_racks': peer_racks,
        }


@register_model_view(Rack, 'reservations')
class RackRackReservationsView(generic.ObjectChildrenView):
    queryset = Rack.objects.all()
    child_model = RackReservation
    table = tables.RackReservationTable
    filterset = filtersets.RackReservationFilterSet
    filterset_form = forms.RackReservationFilterForm
    template_name = 'dcim/rack/reservations.html'
    tab = ViewTab(
        label=_('Reservations'),
        badge=lambda obj: obj.reservations.count(),
        permission='dcim.view_rackreservation',
        weight=510
    )

    def get_children(self, request, parent):
        return parent.reservations.restrict(request.user, 'view')


@register_model_view(Rack, 'nonracked_devices', 'nonracked-devices')
class RackNonRackedView(generic.ObjectChildrenView):
    queryset = Rack.objects.all()
    child_model = Device
    table = tables.DeviceTable
    filterset = filtersets.DeviceFilterSet
    filterset_form = forms.DeviceFilterForm
    template_name = 'dcim/rack/non_racked_devices.html'
    tab = ViewTab(
        label=_('Non-Racked Devices'),
        badge=lambda obj: obj.devices.filter(rack=obj, position__isnull=True, parent_bay__isnull=True).count(),
        weight=500,
        permission='dcim.view_device',
    )

    def get_children(self, request, parent):
        return parent.devices.restrict(request.user, 'view').filter(
            rack=parent, position__isnull=True, parent_bay__isnull=True
        )


@register_model_view(Rack, 'add', detail=False)
@register_model_view(Rack, 'edit')
class RackEditView(generic.ObjectEditView):
    queryset = Rack.objects.all()
    form = forms.RackForm


@register_model_view(Rack, 'delete')
class RackDeleteView(generic.ObjectDeleteView):
    queryset = Rack.objects.all()


@register_model_view(Rack, 'bulk_import', detail=False)
class RackBulkImportView(generic.BulkImportView):
    queryset = Rack.objects.all()
    model_form = forms.RackImportForm


@register_model_view(Rack, 'bulk_edit', path='edit', detail=False)
class RackBulkEditView(generic.BulkEditView):
    queryset = Rack.objects.all()
    filterset = filtersets.RackFilterSet
    table = tables.RackTable
    form = forms.RackBulkEditForm


@register_model_view(Rack, 'bulk_delete', path='delete', detail=False)
class RackBulkDeleteView(generic.BulkDeleteView):
    queryset = Rack.objects.all()
    filterset = filtersets.RackFilterSet
    table = tables.RackTable


@register_model_view(Rack, 'contacts')
class RackContactsView(ObjectContactsView):
    queryset = Rack.objects.all()


#
# Rack reservations
#

@register_model_view(RackReservation, 'list', path='', detail=False)
class RackReservationListView(generic.ObjectListView):
    queryset = RackReservation.objects.all()
    filterset = filtersets.RackReservationFilterSet
    filterset_form = forms.RackReservationFilterForm
    table = tables.RackReservationTable


@register_model_view(RackReservation)
class RackReservationView(generic.ObjectView):
    queryset = RackReservation.objects.all()


@register_model_view(RackReservation, 'add', detail=False)
@register_model_view(RackReservation, 'edit')
class RackReservationEditView(generic.ObjectEditView):
    queryset = RackReservation.objects.all()
    form = forms.RackReservationForm

    def alter_object(self, obj, request, args, kwargs):
        if not obj.pk:
            if 'rack' in request.GET:
                obj.rack = get_object_or_404(Rack, pk=request.GET.get('rack'))
            obj.user = request.user
        return obj


@register_model_view(RackReservation, 'delete')
class RackReservationDeleteView(generic.ObjectDeleteView):
    queryset = RackReservation.objects.all()


@register_model_view(RackReservation, 'bulk_import', detail=False)
class RackReservationImportView(generic.BulkImportView):
    queryset = RackReservation.objects.all()
    model_form = forms.RackReservationImportForm

    def save_object(self, object_form, request):
        """
        Assign the currently authenticated user to the RackReservation.
        """
        instance = object_form.save(commit=False)
        instance.user = request.user
        instance.save()

        return instance


@register_model_view(RackReservation, 'bulk_edit', path='edit', detail=False)
class RackReservationBulkEditView(generic.BulkEditView):
    queryset = RackReservation.objects.all()
    filterset = filtersets.RackReservationFilterSet
    table = tables.RackReservationTable
    form = forms.RackReservationBulkEditForm


@register_model_view(RackReservation, 'bulk_delete', path='delete', detail=False)
class RackReservationBulkDeleteView(generic.BulkDeleteView):
    queryset = RackReservation.objects.all()
    filterset = filtersets.RackReservationFilterSet
    table = tables.RackReservationTable


#
# Manufacturers
#

@register_model_view(Manufacturer, 'list', path='', detail=False)
class ManufacturerListView(generic.ObjectListView):
    queryset = Manufacturer.objects.annotate(
        racktype_count=count_related(RackType, 'manufacturer'),
        devicetype_count=count_related(DeviceType, 'manufacturer'),
        moduletype_count=count_related(ModuleType, 'manufacturer'),
        inventoryitem_count=count_related(InventoryItem, 'manufacturer'),
        platform_count=count_related(Platform, 'manufacturer')
    )
    filterset = filtersets.ManufacturerFilterSet
    filterset_form = forms.ManufacturerFilterForm
    table = tables.ManufacturerTable


@register_model_view(Manufacturer)
class ManufacturerView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = Manufacturer.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance, [InventoryItemTemplate]),
        }


@register_model_view(Manufacturer, 'add', detail=False)
@register_model_view(Manufacturer, 'edit')
class ManufacturerEditView(generic.ObjectEditView):
    queryset = Manufacturer.objects.all()
    form = forms.ManufacturerForm


@register_model_view(Manufacturer, 'delete')
class ManufacturerDeleteView(generic.ObjectDeleteView):
    queryset = Manufacturer.objects.all()


@register_model_view(Manufacturer, 'bulk_import', detail=False)
class ManufacturerBulkImportView(generic.BulkImportView):
    queryset = Manufacturer.objects.all()
    model_form = forms.ManufacturerImportForm


@register_model_view(Manufacturer, 'bulk_edit', path='edit', detail=False)
class ManufacturerBulkEditView(generic.BulkEditView):
    queryset = Manufacturer.objects.annotate(
        devicetype_count=count_related(DeviceType, 'manufacturer'),
        moduletype_count=count_related(ModuleType, 'manufacturer'),
        inventoryitem_count=count_related(InventoryItem, 'manufacturer'),
        platform_count=count_related(Platform, 'manufacturer')
    )
    filterset = filtersets.ManufacturerFilterSet
    table = tables.ManufacturerTable
    form = forms.ManufacturerBulkEditForm


@register_model_view(Manufacturer, 'bulk_delete', path='delete', detail=False)
class ManufacturerBulkDeleteView(generic.BulkDeleteView):
    queryset = Manufacturer.objects.annotate(
        devicetype_count=count_related(DeviceType, 'manufacturer'),
        moduletype_count=count_related(ModuleType, 'manufacturer'),
        inventoryitem_count=count_related(InventoryItem, 'manufacturer'),
        platform_count=count_related(Platform, 'manufacturer')
    )
    filterset = filtersets.ManufacturerFilterSet
    table = tables.ManufacturerTable


@register_model_view(Manufacturer, 'contacts')
class ManufacturerContactsView(ObjectContactsView):
    queryset = Manufacturer.objects.all()


#
# Device types
#

@register_model_view(DeviceType, 'list', path='', detail=False)
class DeviceTypeListView(generic.ObjectListView):
    queryset = DeviceType.objects.annotate(
        instance_count=count_related(Device, 'device_type')
    )
    filterset = filtersets.DeviceTypeFilterSet
    filterset_form = forms.DeviceTypeFilterForm
    table = tables.DeviceTypeTable


@register_model_view(DeviceType)
class DeviceTypeView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = DeviceType.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance, omit=[
                ConsolePortTemplate, ConsoleServerPortTemplate, DeviceBayTemplate, FrontPortTemplate,
                InventoryItemTemplate, InterfaceTemplate, ModuleBayTemplate, PowerOutletTemplate, PowerPortTemplate,
                RearPortTemplate,
            ]),
        }


@register_model_view(DeviceType, 'add', detail=False)
@register_model_view(DeviceType, 'edit')
class DeviceTypeEditView(generic.ObjectEditView):
    queryset = DeviceType.objects.all()
    form = forms.DeviceTypeForm


@register_model_view(DeviceType, 'delete')
class DeviceTypeDeleteView(generic.ObjectDeleteView):
    queryset = DeviceType.objects.all()


@register_model_view(DeviceType, 'consoleports', path='console-ports')
class DeviceTypeConsolePortsView(DeviceTypeComponentsView):
    child_model = ConsolePortTemplate
    table = tables.ConsolePortTemplateTable
    filterset = filtersets.ConsolePortTemplateFilterSet
    viewname = 'dcim:devicetype_consoleports'
    tab = ViewTab(
        label=_('Console Ports'),
        badge=lambda obj: obj.console_port_template_count,
        permission='dcim.view_consoleporttemplate',
        weight=550,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'consoleserverports', path='console-server-ports')
class DeviceTypeConsoleServerPortsView(DeviceTypeComponentsView):
    child_model = ConsoleServerPortTemplate
    table = tables.ConsoleServerPortTemplateTable
    filterset = filtersets.ConsoleServerPortTemplateFilterSet
    viewname = 'dcim:devicetype_consoleserverports'
    tab = ViewTab(
        label=_('Console Server Ports'),
        badge=lambda obj: obj.console_server_port_template_count,
        permission='dcim.view_consoleserverporttemplate',
        weight=560,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'powerports', path='power-ports')
class DeviceTypePowerPortsView(DeviceTypeComponentsView):
    child_model = PowerPortTemplate
    table = tables.PowerPortTemplateTable
    filterset = filtersets.PowerPortTemplateFilterSet
    viewname = 'dcim:devicetype_powerports'
    tab = ViewTab(
        label=_('Power Ports'),
        badge=lambda obj: obj.power_port_template_count,
        permission='dcim.view_powerporttemplate',
        weight=570,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'poweroutlets', path='power-outlets')
class DeviceTypePowerOutletsView(DeviceTypeComponentsView):
    child_model = PowerOutletTemplate
    table = tables.PowerOutletTemplateTable
    filterset = filtersets.PowerOutletTemplateFilterSet
    viewname = 'dcim:devicetype_poweroutlets'
    tab = ViewTab(
        label=_('Power Outlets'),
        badge=lambda obj: obj.power_outlet_template_count,
        permission='dcim.view_poweroutlettemplate',
        weight=580,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'interfaces')
class DeviceTypeInterfacesView(DeviceTypeComponentsView):
    child_model = InterfaceTemplate
    table = tables.InterfaceTemplateTable
    filterset = filtersets.InterfaceTemplateFilterSet
    viewname = 'dcim:devicetype_interfaces'
    tab = ViewTab(
        label=_('Interfaces'),
        badge=lambda obj: obj.interface_template_count,
        permission='dcim.view_interfacetemplate',
        weight=520,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'frontports', path='front-ports')
class DeviceTypeFrontPortsView(DeviceTypeComponentsView):
    child_model = FrontPortTemplate
    table = tables.FrontPortTemplateTable
    filterset = filtersets.FrontPortTemplateFilterSet
    viewname = 'dcim:devicetype_frontports'
    tab = ViewTab(
        label=_('Front Ports'),
        badge=lambda obj: obj.front_port_template_count,
        permission='dcim.view_frontporttemplate',
        weight=530,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'rearports', path='rear-ports')
class DeviceTypeRearPortsView(DeviceTypeComponentsView):
    child_model = RearPortTemplate
    table = tables.RearPortTemplateTable
    filterset = filtersets.RearPortTemplateFilterSet
    viewname = 'dcim:devicetype_rearports'
    tab = ViewTab(
        label=_('Rear Ports'),
        badge=lambda obj: obj.rear_port_template_count,
        permission='dcim.view_rearporttemplate',
        weight=540,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'modulebays', path='module-bays')
class DeviceTypeModuleBaysView(DeviceTypeComponentsView):
    child_model = ModuleBayTemplate
    table = tables.ModuleBayTemplateTable
    filterset = filtersets.ModuleBayTemplateFilterSet
    viewname = 'dcim:devicetype_modulebays'
    tab = ViewTab(
        label=_('Module Bays'),
        badge=lambda obj: obj.module_bay_template_count,
        permission='dcim.view_modulebaytemplate',
        weight=510,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'devicebays', path='device-bays')
class DeviceTypeDeviceBaysView(DeviceTypeComponentsView):
    child_model = DeviceBayTemplate
    table = tables.DeviceBayTemplateTable
    filterset = filtersets.DeviceBayTemplateFilterSet
    viewname = 'dcim:devicetype_devicebays'
    tab = ViewTab(
        label=_('Device Bays'),
        badge=lambda obj: obj.device_bay_template_count,
        permission='dcim.view_devicebaytemplate',
        weight=500,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'inventoryitems', path='inventory-items')
class DeviceTypeInventoryItemsView(DeviceTypeComponentsView):
    child_model = InventoryItemTemplate
    table = tables.InventoryItemTemplateTable
    filterset = filtersets.InventoryItemTemplateFilterSet
    viewname = 'dcim:devicetype_inventoryitems'
    tab = ViewTab(
        label=_('Inventory Items'),
        badge=lambda obj: obj.inventory_item_template_count,
        permission='dcim.view_inventoryitemtemplate',
        weight=590,
        hide_if_empty=True
    )


@register_model_view(DeviceType, 'bulk_import', detail=False)
class DeviceTypeImportView(generic.BulkImportView):
    additional_permissions = [
        'dcim.add_devicetype',
        'dcim.add_consoleporttemplate',
        'dcim.add_consoleserverporttemplate',
        'dcim.add_powerporttemplate',
        'dcim.add_poweroutlettemplate',
        'dcim.add_interfacetemplate',
        'dcim.add_frontporttemplate',
        'dcim.add_rearporttemplate',
        'dcim.add_modulebaytemplate',
        'dcim.add_devicebaytemplate',
        'dcim.add_inventoryitemtemplate',
    ]
    queryset = DeviceType.objects.all()
    model_form = forms.DeviceTypeImportForm
    related_object_forms = {
        'console-ports': forms.ConsolePortTemplateImportForm,
        'console-server-ports': forms.ConsoleServerPortTemplateImportForm,
        'power-ports': forms.PowerPortTemplateImportForm,
        'power-outlets': forms.PowerOutletTemplateImportForm,
        'interfaces': forms.InterfaceTemplateImportForm,
        'rear-ports': forms.RearPortTemplateImportForm,
        'front-ports': forms.FrontPortTemplateImportForm,
        'module-bays': forms.ModuleBayTemplateImportForm,
        'device-bays': forms.DeviceBayTemplateImportForm,
        'inventory-items': forms.InventoryItemTemplateImportForm,
    }

    def prep_related_object_data(self, parent, data):
        data.update({'device_type': parent})
        return data


@register_model_view(DeviceType, 'bulk_edit', path='edit', detail=False)
class DeviceTypeBulkEditView(generic.BulkEditView):
    queryset = DeviceType.objects.annotate(
        instance_count=count_related(Device, 'device_type')
    )
    filterset = filtersets.DeviceTypeFilterSet
    table = tables.DeviceTypeTable
    form = forms.DeviceTypeBulkEditForm


@register_model_view(DeviceType, 'bulk_delete', path='delete', detail=False)
class DeviceTypeBulkDeleteView(generic.BulkDeleteView):
    queryset = DeviceType.objects.annotate(
        instance_count=count_related(Device, 'device_type')
    )
    filterset = filtersets.DeviceTypeFilterSet
    table = tables.DeviceTypeTable


#
# Module types
#

@register_model_view(ModuleType, 'list', path='', detail=False)
class ModuleTypeListView(generic.ObjectListView):
    queryset = ModuleType.objects.annotate(
        instance_count=count_related(Module, 'module_type')
    )
    filterset = filtersets.ModuleTypeFilterSet
    filterset_form = forms.ModuleTypeFilterForm
    table = tables.ModuleTypeTable


@register_model_view(ModuleType)
class ModuleTypeView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = ModuleType.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance, omit=[
                ConsolePortTemplate, ConsoleServerPortTemplate, DeviceBayTemplate, FrontPortTemplate,
                InventoryItemTemplate, InterfaceTemplate, ModuleBayTemplate, PowerOutletTemplate, PowerPortTemplate,
                RearPortTemplate,
            ]),
        }


@register_model_view(ModuleType, 'add', detail=False)
@register_model_view(ModuleType, 'edit')
class ModuleTypeEditView(generic.ObjectEditView):
    queryset = ModuleType.objects.all()
    form = forms.ModuleTypeForm


@register_model_view(ModuleType, 'delete')
class ModuleTypeDeleteView(generic.ObjectDeleteView):
    queryset = ModuleType.objects.all()


@register_model_view(ModuleType, 'consoleports', path='console-ports')
class ModuleTypeConsolePortsView(ModuleTypeComponentsView):
    child_model = ConsolePortTemplate
    table = tables.ConsolePortTemplateTable
    filterset = filtersets.ConsolePortTemplateFilterSet
    viewname = 'dcim:moduletype_consoleports'
    tab = ViewTab(
        label=_('Console Ports'),
        badge=lambda obj: obj.consoleporttemplates.count(),
        permission='dcim.view_consoleporttemplate',
        weight=530,
        hide_if_empty=True
    )


@register_model_view(ModuleType, 'consoleserverports', path='console-server-ports')
class ModuleTypeConsoleServerPortsView(ModuleTypeComponentsView):
    child_model = ConsoleServerPortTemplate
    table = tables.ConsoleServerPortTemplateTable
    filterset = filtersets.ConsoleServerPortTemplateFilterSet
    viewname = 'dcim:moduletype_consoleserverports'
    tab = ViewTab(
        label=_('Console Server Ports'),
        badge=lambda obj: obj.consoleserverporttemplates.count(),
        permission='dcim.view_consoleserverporttemplate',
        weight=540,
        hide_if_empty=True
    )


@register_model_view(ModuleType, 'powerports', path='power-ports')
class ModuleTypePowerPortsView(ModuleTypeComponentsView):
    child_model = PowerPortTemplate
    table = tables.PowerPortTemplateTable
    filterset = filtersets.PowerPortTemplateFilterSet
    viewname = 'dcim:moduletype_powerports'
    tab = ViewTab(
        label=_('Power Ports'),
        badge=lambda obj: obj.powerporttemplates.count(),
        permission='dcim.view_powerporttemplate',
        weight=550,
        hide_if_empty=True
    )


@register_model_view(ModuleType, 'poweroutlets', path='power-outlets')
class ModuleTypePowerOutletsView(ModuleTypeComponentsView):
    child_model = PowerOutletTemplate
    table = tables.PowerOutletTemplateTable
    filterset = filtersets.PowerOutletTemplateFilterSet
    viewname = 'dcim:moduletype_poweroutlets'
    tab = ViewTab(
        label=_('Power Outlets'),
        badge=lambda obj: obj.poweroutlettemplates.count(),
        permission='dcim.view_poweroutlettemplate',
        weight=560,
        hide_if_empty=True
    )


@register_model_view(ModuleType, 'interfaces')
class ModuleTypeInterfacesView(ModuleTypeComponentsView):
    child_model = InterfaceTemplate
    table = tables.InterfaceTemplateTable
    filterset = filtersets.InterfaceTemplateFilterSet
    viewname = 'dcim:moduletype_interfaces'
    tab = ViewTab(
        label=_('Interfaces'),
        badge=lambda obj: obj.interfacetemplates.count(),
        permission='dcim.view_interfacetemplate',
        weight=500,
        hide_if_empty=True
    )


@register_model_view(ModuleType, 'frontports', path='front-ports')
class ModuleTypeFrontPortsView(ModuleTypeComponentsView):
    child_model = FrontPortTemplate
    table = tables.FrontPortTemplateTable
    filterset = filtersets.FrontPortTemplateFilterSet
    viewname = 'dcim:moduletype_frontports'
    tab = ViewTab(
        label=_('Front Ports'),
        badge=lambda obj: obj.frontporttemplates.count(),
        permission='dcim.view_frontporttemplate',
        weight=510,
        hide_if_empty=True
    )


@register_model_view(ModuleType, 'rearports', path='rear-ports')
class ModuleTypeRearPortsView(ModuleTypeComponentsView):
    child_model = RearPortTemplate
    table = tables.RearPortTemplateTable
    filterset = filtersets.RearPortTemplateFilterSet
    viewname = 'dcim:moduletype_rearports'
    tab = ViewTab(
        label=_('Rear Ports'),
        badge=lambda obj: obj.rearporttemplates.count(),
        permission='dcim.view_rearporttemplate',
        weight=520,
        hide_if_empty=True
    )


@register_model_view(ModuleType, 'modulebays', path='module-bays')
class ModuleTypeModuleBaysView(ModuleTypeComponentsView):
    child_model = ModuleBayTemplate
    table = tables.ModuleBayTemplateTable
    filterset = filtersets.ModuleBayTemplateFilterSet
    viewname = 'dcim:moduletype_modulebays'
    tab = ViewTab(
        label=_('Module Bays'),
        badge=lambda obj: obj.modulebaytemplates.count(),
        permission='dcim.view_modulebaytemplate',
        weight=570,
        hide_if_empty=True
    )


@register_model_view(ModuleType, 'bulk_import', detail=False)
class ModuleTypeImportView(generic.BulkImportView):
    additional_permissions = [
        'dcim.add_moduletype',
        'dcim.add_consoleporttemplate',
        'dcim.add_consoleserverporttemplate',
        'dcim.add_powerporttemplate',
        'dcim.add_poweroutlettemplate',
        'dcim.add_interfacetemplate',
        'dcim.add_frontporttemplate',
        'dcim.add_rearporttemplate',
    ]
    queryset = ModuleType.objects.all()
    model_form = forms.ModuleTypeImportForm
    related_object_forms = {
        'console-ports': forms.ConsolePortTemplateImportForm,
        'console-server-ports': forms.ConsoleServerPortTemplateImportForm,
        'power-ports': forms.PowerPortTemplateImportForm,
        'power-outlets': forms.PowerOutletTemplateImportForm,
        'interfaces': forms.InterfaceTemplateImportForm,
        'rear-ports': forms.RearPortTemplateImportForm,
        'front-ports': forms.FrontPortTemplateImportForm,
    }

    def prep_related_object_data(self, parent, data):
        data.update({'module_type': parent})
        return data


@register_model_view(ModuleType, 'bulk_edit', path='edit', detail=False)
class ModuleTypeBulkEditView(generic.BulkEditView):
    queryset = ModuleType.objects.annotate(
        instance_count=count_related(Module, 'module_type')
    )
    filterset = filtersets.ModuleTypeFilterSet
    table = tables.ModuleTypeTable
    form = forms.ModuleTypeBulkEditForm


@register_model_view(ModuleType, 'bulk_delete', path='delete', detail=False)
class ModuleTypeBulkDeleteView(generic.BulkDeleteView):
    queryset = ModuleType.objects.annotate(
        instance_count=count_related(Module, 'module_type')
    )
    filterset = filtersets.ModuleTypeFilterSet
    table = tables.ModuleTypeTable


#
# Console port templates
#

@register_model_view(ConsolePortTemplate, 'add', detail=False)
class ConsolePortTemplateCreateView(generic.ComponentCreateView):
    queryset = ConsolePortTemplate.objects.all()
    form = forms.ConsolePortTemplateCreateForm
    model_form = forms.ConsolePortTemplateForm


@register_model_view(ConsolePortTemplate, 'edit')
class ConsolePortTemplateEditView(generic.ObjectEditView):
    queryset = ConsolePortTemplate.objects.all()
    form = forms.ConsolePortTemplateForm


@register_model_view(ConsolePortTemplate, 'delete')
class ConsolePortTemplateDeleteView(generic.ObjectDeleteView):
    queryset = ConsolePortTemplate.objects.all()


@register_model_view(ConsolePortTemplate, 'bulk_edit', path='edit', detail=False)
class ConsolePortTemplateBulkEditView(generic.BulkEditView):
    queryset = ConsolePortTemplate.objects.all()
    table = tables.ConsolePortTemplateTable
    form = forms.ConsolePortTemplateBulkEditForm


@register_model_view(ConsolePortTemplate, 'bulk_rename', path='rename', detail=False)
class ConsolePortTemplateBulkRenameView(generic.BulkRenameView):
    queryset = ConsolePortTemplate.objects.all()


@register_model_view(ConsolePortTemplate, 'bulk_delete', path='delete', detail=False)
class ConsolePortTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = ConsolePortTemplate.objects.all()
    table = tables.ConsolePortTemplateTable


#
# Console server port templates
#

@register_model_view(ConsoleServerPortTemplate, 'add', detail=False)
class ConsoleServerPortTemplateCreateView(generic.ComponentCreateView):
    queryset = ConsoleServerPortTemplate.objects.all()
    form = forms.ConsoleServerPortTemplateCreateForm
    model_form = forms.ConsoleServerPortTemplateForm


@register_model_view(ConsoleServerPortTemplate, 'edit')
class ConsoleServerPortTemplateEditView(generic.ObjectEditView):
    queryset = ConsoleServerPortTemplate.objects.all()
    form = forms.ConsoleServerPortTemplateForm


@register_model_view(ConsoleServerPortTemplate, 'delete')
class ConsoleServerPortTemplateDeleteView(generic.ObjectDeleteView):
    queryset = ConsoleServerPortTemplate.objects.all()


@register_model_view(ConsoleServerPortTemplate, 'bulk_edit', path='edit', detail=False)
class ConsoleServerPortTemplateBulkEditView(generic.BulkEditView):
    queryset = ConsoleServerPortTemplate.objects.all()
    table = tables.ConsoleServerPortTemplateTable
    form = forms.ConsoleServerPortTemplateBulkEditForm


@register_model_view(ConsoleServerPortTemplate, 'bulk_rename', detail=False)
class ConsoleServerPortTemplateBulkRenameView(generic.BulkRenameView):
    queryset = ConsoleServerPortTemplate.objects.all()


@register_model_view(ConsoleServerPortTemplate, 'bulk_delete', path='delete', detail=False)
class ConsoleServerPortTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = ConsoleServerPortTemplate.objects.all()
    table = tables.ConsoleServerPortTemplateTable


#
# Power port templates
#

@register_model_view(PowerPortTemplate, 'add', detail=False)
class PowerPortTemplateCreateView(generic.ComponentCreateView):
    queryset = PowerPortTemplate.objects.all()
    form = forms.PowerPortTemplateCreateForm
    model_form = forms.PowerPortTemplateForm


@register_model_view(PowerPortTemplate, 'edit')
class PowerPortTemplateEditView(generic.ObjectEditView):
    queryset = PowerPortTemplate.objects.all()
    form = forms.PowerPortTemplateForm


@register_model_view(PowerPortTemplate, 'delete')
class PowerPortTemplateDeleteView(generic.ObjectDeleteView):
    queryset = PowerPortTemplate.objects.all()


@register_model_view(PowerPortTemplate, 'bulk_edit', path='edit', detail=False)
class PowerPortTemplateBulkEditView(generic.BulkEditView):
    queryset = PowerPortTemplate.objects.all()
    table = tables.PowerPortTemplateTable
    form = forms.PowerPortTemplateBulkEditForm


@register_model_view(PowerPortTemplate, 'bulk_rename', path='rename', detail=False)
class PowerPortTemplateBulkRenameView(generic.BulkRenameView):
    queryset = PowerPortTemplate.objects.all()


@register_model_view(PowerPortTemplate, 'bulk_delete', path='delete', detail=False)
class PowerPortTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = PowerPortTemplate.objects.all()
    table = tables.PowerPortTemplateTable


#
# Power outlet templates
#

@register_model_view(PowerOutletTemplate, 'add', detail=False)
class PowerOutletTemplateCreateView(generic.ComponentCreateView):
    queryset = PowerOutletTemplate.objects.all()
    form = forms.PowerOutletTemplateCreateForm
    model_form = forms.PowerOutletTemplateForm


@register_model_view(PowerOutletTemplate, 'edit')
class PowerOutletTemplateEditView(generic.ObjectEditView):
    queryset = PowerOutletTemplate.objects.all()
    form = forms.PowerOutletTemplateForm


@register_model_view(PowerOutletTemplate, 'delete')
class PowerOutletTemplateDeleteView(generic.ObjectDeleteView):
    queryset = PowerOutletTemplate.objects.all()


@register_model_view(PowerOutletTemplate, 'bulk_edit', path='edit', detail=False)
class PowerOutletTemplateBulkEditView(generic.BulkEditView):
    queryset = PowerOutletTemplate.objects.all()
    table = tables.PowerOutletTemplateTable
    form = forms.PowerOutletTemplateBulkEditForm


@register_model_view(PowerOutletTemplate, 'bulk_rename', path='rename', detail=False)
class PowerOutletTemplateBulkRenameView(generic.BulkRenameView):
    queryset = PowerOutletTemplate.objects.all()


@register_model_view(PowerOutletTemplate, 'bulk_delete', path='delete', detail=False)
class PowerOutletTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = PowerOutletTemplate.objects.all()
    table = tables.PowerOutletTemplateTable


#
# Interface templates
#

@register_model_view(InterfaceTemplate, 'add', detail=False)
class InterfaceTemplateCreateView(generic.ComponentCreateView):
    queryset = InterfaceTemplate.objects.all()
    form = forms.InterfaceTemplateCreateForm
    model_form = forms.InterfaceTemplateForm


@register_model_view(InterfaceTemplate, 'edit')
class InterfaceTemplateEditView(generic.ObjectEditView):
    queryset = InterfaceTemplate.objects.all()
    form = forms.InterfaceTemplateForm


@register_model_view(InterfaceTemplate, 'delete')
class InterfaceTemplateDeleteView(generic.ObjectDeleteView):
    queryset = InterfaceTemplate.objects.all()


@register_model_view(InterfaceTemplate, 'bulk_edit', path='edit', detail=False)
class InterfaceTemplateBulkEditView(generic.BulkEditView):
    queryset = InterfaceTemplate.objects.all()
    table = tables.InterfaceTemplateTable
    form = forms.InterfaceTemplateBulkEditForm


@register_model_view(InterfaceTemplate, 'bulk_rename', path='rename', detail=False)
class InterfaceTemplateBulkRenameView(generic.BulkRenameView):
    queryset = InterfaceTemplate.objects.all()


@register_model_view(InterfaceTemplate, 'bulk_delete', path='delete', detail=False)
class InterfaceTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = InterfaceTemplate.objects.all()
    table = tables.InterfaceTemplateTable


#
# Front port templates
#

@register_model_view(FrontPortTemplate, 'add', detail=False)
class FrontPortTemplateCreateView(generic.ComponentCreateView):
    queryset = FrontPortTemplate.objects.all()
    form = forms.FrontPortTemplateCreateForm
    model_form = forms.FrontPortTemplateForm


@register_model_view(FrontPortTemplate, 'edit')
class FrontPortTemplateEditView(generic.ObjectEditView):
    queryset = FrontPortTemplate.objects.all()
    form = forms.FrontPortTemplateForm


@register_model_view(FrontPortTemplate, 'delete')
class FrontPortTemplateDeleteView(generic.ObjectDeleteView):
    queryset = FrontPortTemplate.objects.all()


@register_model_view(FrontPortTemplate, 'bulk_edit', path='edit', detail=False)
class FrontPortTemplateBulkEditView(generic.BulkEditView):
    queryset = FrontPortTemplate.objects.all()
    table = tables.FrontPortTemplateTable
    form = forms.FrontPortTemplateBulkEditForm


@register_model_view(FrontPortTemplate, 'bulk_rename', path='rename', detail=False)
class FrontPortTemplateBulkRenameView(generic.BulkRenameView):
    queryset = FrontPortTemplate.objects.all()


@register_model_view(FrontPortTemplate, 'bulk_delete', path='delete', detail=False)
class FrontPortTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = FrontPortTemplate.objects.all()
    table = tables.FrontPortTemplateTable


#
# Rear port templates
#

@register_model_view(RearPortTemplate, 'add', detail=False)
class RearPortTemplateCreateView(generic.ComponentCreateView):
    queryset = RearPortTemplate.objects.all()
    form = forms.RearPortTemplateCreateForm
    model_form = forms.RearPortTemplateForm


@register_model_view(RearPortTemplate, 'edit')
class RearPortTemplateEditView(generic.ObjectEditView):
    queryset = RearPortTemplate.objects.all()
    form = forms.RearPortTemplateForm


@register_model_view(RearPortTemplate, 'delete')
class RearPortTemplateDeleteView(generic.ObjectDeleteView):
    queryset = RearPortTemplate.objects.all()


@register_model_view(RearPortTemplate, 'bulk_edit', path='edit', detail=False)
class RearPortTemplateBulkEditView(generic.BulkEditView):
    queryset = RearPortTemplate.objects.all()
    table = tables.RearPortTemplateTable
    form = forms.RearPortTemplateBulkEditForm


@register_model_view(RearPortTemplate, 'bulk_rename', path='rename', detail=False)
class RearPortTemplateBulkRenameView(generic.BulkRenameView):
    queryset = RearPortTemplate.objects.all()


@register_model_view(RearPortTemplate, 'bulk_delete', path='delete', detail=False)
class RearPortTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = RearPortTemplate.objects.all()
    table = tables.RearPortTemplateTable


#
# Module bay templates
#

@register_model_view(ModuleBayTemplate, 'add', detail=False)
class ModuleBayTemplateCreateView(generic.ComponentCreateView):
    queryset = ModuleBayTemplate.objects.all()
    form = forms.ModuleBayTemplateCreateForm
    model_form = forms.ModuleBayTemplateForm


@register_model_view(ModuleBayTemplate, 'edit')
class ModuleBayTemplateEditView(generic.ObjectEditView):
    queryset = ModuleBayTemplate.objects.all()
    form = forms.ModuleBayTemplateForm


@register_model_view(ModuleBayTemplate, 'delete')
class ModuleBayTemplateDeleteView(generic.ObjectDeleteView):
    queryset = ModuleBayTemplate.objects.all()


@register_model_view(ModuleBayTemplate, 'bulk_edit', path='edit', detail=False)
class ModuleBayTemplateBulkEditView(generic.BulkEditView):
    queryset = ModuleBayTemplate.objects.all()
    table = tables.ModuleBayTemplateTable
    form = forms.ModuleBayTemplateBulkEditForm


@register_model_view(ModuleBayTemplate, 'bulk_rename', path='rename', detail=False)
class ModuleBayTemplateBulkRenameView(generic.BulkRenameView):
    queryset = ModuleBayTemplate.objects.all()


@register_model_view(ModuleBayTemplate, 'bulk_delete', path='delete', detail=False)
class ModuleBayTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = ModuleBayTemplate.objects.all()
    table = tables.ModuleBayTemplateTable


#
# Device bay templates
#

@register_model_view(DeviceBayTemplate, 'add', detail=False)
class DeviceBayTemplateCreateView(generic.ComponentCreateView):
    queryset = DeviceBayTemplate.objects.all()
    form = forms.DeviceBayTemplateCreateForm
    model_form = forms.DeviceBayTemplateForm


@register_model_view(DeviceBayTemplate, 'edit')
class DeviceBayTemplateEditView(generic.ObjectEditView):
    queryset = DeviceBayTemplate.objects.all()
    form = forms.DeviceBayTemplateForm


@register_model_view(DeviceBayTemplate, 'delete')
class DeviceBayTemplateDeleteView(generic.ObjectDeleteView):
    queryset = DeviceBayTemplate.objects.all()


@register_model_view(DeviceBayTemplate, 'bulk_edit', path='edit', detail=False)
class DeviceBayTemplateBulkEditView(generic.BulkEditView):
    queryset = DeviceBayTemplate.objects.all()
    table = tables.DeviceBayTemplateTable
    form = forms.DeviceBayTemplateBulkEditForm


@register_model_view(DeviceBayTemplate, 'bulk_rename', path='rename', detail=False)
class DeviceBayTemplateBulkRenameView(generic.BulkRenameView):
    queryset = DeviceBayTemplate.objects.all()


@register_model_view(DeviceBayTemplate, 'bulk_delete', path='delete', detail=False)
class DeviceBayTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = DeviceBayTemplate.objects.all()
    table = tables.DeviceBayTemplateTable


#
# Inventory item templates
#

@register_model_view(InventoryItemTemplate, 'add', detail=False)
class InventoryItemTemplateCreateView(generic.ComponentCreateView):
    queryset = InventoryItemTemplate.objects.all()
    form = forms.InventoryItemTemplateCreateForm
    model_form = forms.InventoryItemTemplateForm

    def alter_object(self, instance, request):
        # Set component (if any)
        component_type = request.GET.get('component_type')
        component_id = request.GET.get('component_id')

        if component_type and component_id:
            content_type = get_object_or_404(ContentType, pk=component_type)
            instance.component = get_object_or_404(content_type.model_class(), pk=component_id)

        return instance


@register_model_view(InventoryItemTemplate, 'edit')
class InventoryItemTemplateEditView(generic.ObjectEditView):
    queryset = InventoryItemTemplate.objects.all()
    form = forms.InventoryItemTemplateForm


@register_model_view(InventoryItemTemplate, 'delete')
class InventoryItemTemplateDeleteView(generic.ObjectDeleteView):
    queryset = InventoryItemTemplate.objects.all()


@register_model_view(InventoryItemTemplate, 'bulk_edit', path='edit', detail=False)
class InventoryItemTemplateBulkEditView(generic.BulkEditView):
    queryset = InventoryItemTemplate.objects.all()
    table = tables.InventoryItemTemplateTable
    form = forms.InventoryItemTemplateBulkEditForm


@register_model_view(InventoryItemTemplate, 'bulk_rename', path='rename', detail=False)
class InventoryItemTemplateBulkRenameView(generic.BulkRenameView):
    queryset = InventoryItemTemplate.objects.all()


@register_model_view(InventoryItemTemplate, 'bulk_delete', path='delete', detail=False)
class InventoryItemTemplateBulkDeleteView(generic.BulkDeleteView):
    queryset = InventoryItemTemplate.objects.all()
    table = tables.InventoryItemTemplateTable


#
# Device roles
#

@register_model_view(DeviceRole, 'list', path='', detail=False)
class DeviceRoleListView(generic.ObjectListView):
    queryset = DeviceRole.objects.annotate(
        device_count=count_related(Device, 'role'),
        vm_count=count_related(VirtualMachine, 'role')
    )
    filterset = filtersets.DeviceRoleFilterSet
    filterset_form = forms.DeviceRoleFilterForm
    table = tables.DeviceRoleTable


@register_model_view(DeviceRole)
class DeviceRoleView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = DeviceRole.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(DeviceRole, 'add', detail=False)
@register_model_view(DeviceRole, 'edit')
class DeviceRoleEditView(generic.ObjectEditView):
    queryset = DeviceRole.objects.all()
    form = forms.DeviceRoleForm


@register_model_view(DeviceRole, 'delete')
class DeviceRoleDeleteView(generic.ObjectDeleteView):
    queryset = DeviceRole.objects.all()


@register_model_view(DeviceRole, 'bulk_import', detail=False)
class DeviceRoleBulkImportView(generic.BulkImportView):
    queryset = DeviceRole.objects.all()
    model_form = forms.DeviceRoleImportForm


@register_model_view(DeviceRole, 'bulk_edit', path='edit', detail=False)
class DeviceRoleBulkEditView(generic.BulkEditView):
    queryset = DeviceRole.objects.annotate(
        device_count=count_related(Device, 'role'),
        vm_count=count_related(VirtualMachine, 'role')
    )
    filterset = filtersets.DeviceRoleFilterSet
    table = tables.DeviceRoleTable
    form = forms.DeviceRoleBulkEditForm


@register_model_view(DeviceRole, 'bulk_delete', path='delete', detail=False)
class DeviceRoleBulkDeleteView(generic.BulkDeleteView):
    queryset = DeviceRole.objects.annotate(
        device_count=count_related(Device, 'role'),
        vm_count=count_related(VirtualMachine, 'role')
    )
    filterset = filtersets.DeviceRoleFilterSet
    table = tables.DeviceRoleTable


#
# Platforms
#

@register_model_view(Platform, 'list', path='', detail=False)
class PlatformListView(generic.ObjectListView):
    queryset = Platform.objects.annotate(
        device_count=count_related(Device, 'platform'),
        vm_count=count_related(VirtualMachine, 'platform')
    )
    table = tables.PlatformTable
    filterset = filtersets.PlatformFilterSet
    filterset_form = forms.PlatformFilterForm


@register_model_view(Platform)
class PlatformView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = Platform.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(Platform, 'add', detail=False)
@register_model_view(Platform, 'edit')
class PlatformEditView(generic.ObjectEditView):
    queryset = Platform.objects.all()
    form = forms.PlatformForm


@register_model_view(Platform, 'delete')
class PlatformDeleteView(generic.ObjectDeleteView):
    queryset = Platform.objects.all()


@register_model_view(Platform, 'bulk_import', detail=False)
class PlatformBulkImportView(generic.BulkImportView):
    queryset = Platform.objects.all()
    model_form = forms.PlatformImportForm


@register_model_view(Platform, 'bulk_edit', path='edit', detail=False)
class PlatformBulkEditView(generic.BulkEditView):
    queryset = Platform.objects.all()
    filterset = filtersets.PlatformFilterSet
    table = tables.PlatformTable
    form = forms.PlatformBulkEditForm


@register_model_view(Platform, 'bulk_delete', path='delete', detail=False)
class PlatformBulkDeleteView(generic.BulkDeleteView):
    queryset = Platform.objects.all()
    filterset = filtersets.PlatformFilterSet
    table = tables.PlatformTable


#
# Devices
#

@register_model_view(Device, 'list', path='', detail=False)
class DeviceListView(generic.ObjectListView):
    queryset = Device.objects.all()
    filterset = filtersets.DeviceFilterSet
    filterset_form = forms.DeviceFilterForm
    table = tables.DeviceTable
    template_name = 'dcim/device_list.html'


@register_model_view(Device)
class DeviceView(generic.ObjectView):
    queryset = Device.objects.all()

    def get_extra_context(self, request, instance):
        # VirtualChassis members
        if instance.virtual_chassis is not None:
            vc_members = Device.objects.restrict(request.user, 'view').filter(
                virtual_chassis=instance.virtual_chassis
            ).order_by('vc_position')
        else:
            vc_members = []

        return {
            'vc_members': vc_members,
            'svg_extra': f'highlight=id:{instance.pk}'
        }


@register_model_view(Device, 'add', detail=False)
@register_model_view(Device, 'edit')
class DeviceEditView(generic.ObjectEditView):
    queryset = Device.objects.all()
    form = forms.DeviceForm
    template_name = 'dcim/device_edit.html'


@register_model_view(Device, 'delete')
class DeviceDeleteView(generic.ObjectDeleteView):
    queryset = Device.objects.all()


@register_model_view(Device, 'consoleports', path='console-ports')
class DeviceConsolePortsView(DeviceComponentsView):
    child_model = ConsolePort
    table = tables.DeviceConsolePortTable
    filterset = filtersets.ConsolePortFilterSet
    filterset_form = forms.ConsolePortFilterForm
    template_name = 'dcim/device/consoleports.html',
    tab = ViewTab(
        label=_('Console Ports'),
        badge=lambda obj: obj.console_port_count,
        permission='dcim.view_consoleport',
        weight=550,
        hide_if_empty=True
    )


@register_model_view(Device, 'consoleserverports', path='console-server-ports')
class DeviceConsoleServerPortsView(DeviceComponentsView):
    child_model = ConsoleServerPort
    table = tables.DeviceConsoleServerPortTable
    filterset = filtersets.ConsoleServerPortFilterSet
    filterset_form = forms.ConsoleServerPortFilterForm
    template_name = 'dcim/device/consoleserverports.html'
    tab = ViewTab(
        label=_('Console Server Ports'),
        badge=lambda obj: obj.console_server_port_count,
        permission='dcim.view_consoleserverport',
        weight=560,
        hide_if_empty=True
    )


@register_model_view(Device, 'powerports', path='power-ports')
class DevicePowerPortsView(DeviceComponentsView):
    child_model = PowerPort
    table = tables.DevicePowerPortTable
    filterset = filtersets.PowerPortFilterSet
    filterset_form = forms.PowerPortFilterForm
    template_name = 'dcim/device/powerports.html'
    tab = ViewTab(
        label=_('Power Ports'),
        badge=lambda obj: obj.power_port_count,
        permission='dcim.view_powerport',
        weight=570,
        hide_if_empty=True
    )


@register_model_view(Device, 'poweroutlets', path='power-outlets')
class DevicePowerOutletsView(DeviceComponentsView):
    child_model = PowerOutlet
    table = tables.DevicePowerOutletTable
    filterset = filtersets.PowerOutletFilterSet
    filterset_form = forms.PowerOutletFilterForm
    template_name = 'dcim/device/poweroutlets.html'
    tab = ViewTab(
        label=_('Power Outlets'),
        badge=lambda obj: obj.power_outlet_count,
        permission='dcim.view_poweroutlet',
        weight=580,
        hide_if_empty=True
    )


@register_model_view(Device, 'interfaces')
class DeviceInterfacesView(DeviceComponentsView):
    child_model = Interface
    table = tables.DeviceInterfaceTable
    filterset = filtersets.InterfaceFilterSet
    filterset_form = forms.InterfaceFilterForm
    template_name = 'dcim/device/interfaces.html'
    tab = ViewTab(
        label=_('Interfaces'),
        badge=lambda obj: obj.vc_interfaces().count(),
        permission='dcim.view_interface',
        weight=520,
        hide_if_empty=True
    )

    def get_children(self, request, parent):
        return parent.vc_interfaces().restrict(request.user, 'view').prefetch_related(
            Prefetch('ip_addresses', queryset=IPAddress.objects.restrict(request.user)),
            Prefetch('member_interfaces', queryset=Interface.objects.restrict(request.user))
        )


@register_model_view(Device, 'frontports', path='front-ports')
class DeviceFrontPortsView(DeviceComponentsView):
    child_model = FrontPort
    table = tables.DeviceFrontPortTable
    filterset = filtersets.FrontPortFilterSet
    filterset_form = forms.FrontPortFilterForm
    template_name = 'dcim/device/frontports.html'
    tab = ViewTab(
        label=_('Front Ports'),
        badge=lambda obj: obj.front_port_count,
        permission='dcim.view_frontport',
        weight=530,
        hide_if_empty=True
    )


@register_model_view(Device, 'rearports', path='rear-ports')
class DeviceRearPortsView(DeviceComponentsView):
    child_model = RearPort
    table = tables.DeviceRearPortTable
    filterset = filtersets.RearPortFilterSet
    filterset_form = forms.RearPortFilterForm
    template_name = 'dcim/device/rearports.html'
    tab = ViewTab(
        label=_('Rear Ports'),
        badge=lambda obj: obj.rear_port_count,
        permission='dcim.view_rearport',
        weight=540,
        hide_if_empty=True
    )


@register_model_view(Device, 'modulebays', path='module-bays')
class DeviceModuleBaysView(DeviceComponentsView):
    child_model = ModuleBay
    table = tables.DeviceModuleBayTable
    filterset = filtersets.ModuleBayFilterSet
    filterset_form = forms.ModuleBayFilterForm
    template_name = 'dcim/device/modulebays.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }
    tab = ViewTab(
        label=_('Module Bays'),
        badge=lambda obj: obj.module_bay_count,
        permission='dcim.view_modulebay',
        weight=510,
        hide_if_empty=True
    )


@register_model_view(Device, 'devicebays', path='device-bays')
class DeviceDeviceBaysView(DeviceComponentsView):
    child_model = DeviceBay
    table = tables.DeviceDeviceBayTable
    filterset = filtersets.DeviceBayFilterSet
    filterset_form = forms.DeviceBayFilterForm
    template_name = 'dcim/device/devicebays.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }
    tab = ViewTab(
        label=_('Device Bays'),
        badge=lambda obj: obj.device_bay_count,
        permission='dcim.view_devicebay',
        weight=500,
        hide_if_empty=True
    )


@register_model_view(Device, 'inventory')
class DeviceInventoryView(DeviceComponentsView):
    child_model = InventoryItem
    table = tables.DeviceInventoryItemTable
    filterset = filtersets.InventoryItemFilterSet
    filterset_form = forms.InventoryItemFilterForm
    template_name = 'dcim/device/inventory.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }
    tab = ViewTab(
        label=_('Inventory Items'),
        badge=lambda obj: obj.inventory_item_count,
        permission='dcim.view_inventoryitem',
        weight=590,
        hide_if_empty=True
    )


@register_model_view(Device, 'configcontext', path='config-context')
class DeviceConfigContextView(ObjectConfigContextView):
    queryset = Device.objects.annotate_config_context_data()
    base_template = 'dcim/device/base.html'
    tab = ViewTab(
        label=_('Config Context'),
        weight=2000
    )


@register_model_view(Device, 'render-config')
class DeviceRenderConfigView(ObjectRenderConfigView):
    queryset = Device.objects.all()
    base_template = 'dcim/device/base.html'
    tab = ViewTab(
        label=_('Render Config'),
        weight=2100,
    )


@register_model_view(Device, 'virtual-machines')
class DeviceVirtualMachinesView(generic.ObjectChildrenView):
    queryset = Device.objects.all()
    child_model = VirtualMachine
    table = VirtualMachineTable
    filterset = VirtualMachineFilterSet
    filterset_form = VirtualMachineFilterForm
    tab = ViewTab(
        label=_('Virtual Machines'),
        badge=lambda obj: VirtualMachine.objects.filter(cluster=obj.cluster, device=obj).count(),
        weight=2200,
        hide_if_empty=True,
        permission='virtualization.view_virtualmachine'
    )

    def get_children(self, request, parent):
        return self.child_model.objects.restrict(request.user, 'view').filter(cluster=parent.cluster, device=parent)


@register_model_view(Device, 'bulk_import', detail=False)
class DeviceBulkImportView(generic.BulkImportView):
    queryset = Device.objects.all()
    model_form = forms.DeviceImportForm

    def save_object(self, object_form, request):
        obj = object_form.save()

        # For child devices, save the reverse relation to the parent device bay
        if getattr(obj, 'parent_bay', None):
            device_bay = obj.parent_bay
            device_bay.installed_device = obj
            device_bay.save()

        return obj


@register_model_view(Device, 'bulk_edit', path='edit', detail=False)
class DeviceBulkEditView(generic.BulkEditView):
    queryset = Device.objects.prefetch_related('device_type__manufacturer')
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    form = forms.DeviceBulkEditForm


@register_model_view(Device, 'bulk_delete', path='delete', detail=False)
class DeviceBulkDeleteView(generic.BulkDeleteView):
    queryset = Device.objects.prefetch_related('device_type__manufacturer')
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable


@register_model_view(Device, 'bulk_rename', path='rename', detail=False)
class DeviceBulkRenameView(generic.BulkRenameView):
    queryset = Device.objects.all()
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable


@register_model_view(Device, 'contacts')
class DeviceContactsView(ObjectContactsView):
    queryset = Device.objects.all()


#
# Modules
#

@register_model_view(Module, 'list', path='', detail=False)
class ModuleListView(generic.ObjectListView):
    queryset = Module.objects.prefetch_related('module_type__manufacturer')
    filterset = filtersets.ModuleFilterSet
    filterset_form = forms.ModuleFilterForm
    table = tables.ModuleTable


@register_model_view(Module)
class ModuleView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = Module.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(Module, 'add', detail=False)
@register_model_view(Module, 'edit')
class ModuleEditView(generic.ObjectEditView):
    queryset = Module.objects.all()
    form = forms.ModuleForm


@register_model_view(Module, 'delete')
class ModuleDeleteView(generic.ObjectDeleteView):
    queryset = Module.objects.all()


@register_model_view(Module, 'bulk_import', detail=False)
class ModuleBulkImportView(generic.BulkImportView):
    queryset = Module.objects.all()
    model_form = forms.ModuleImportForm


@register_model_view(Module, 'bulk_edit', path='edit', detail=False)
class ModuleBulkEditView(generic.BulkEditView):
    queryset = Module.objects.prefetch_related('module_type__manufacturer')
    filterset = filtersets.ModuleFilterSet
    table = tables.ModuleTable
    form = forms.ModuleBulkEditForm


@register_model_view(Module, 'bulk_delete', path='delete', detail=False)
class ModuleBulkDeleteView(generic.BulkDeleteView):
    queryset = Module.objects.prefetch_related('module_type__manufacturer')
    filterset = filtersets.ModuleFilterSet
    table = tables.ModuleTable


#
# Console ports
#

@register_model_view(ConsolePort, 'list', path='', detail=False)
class ConsolePortListView(generic.ObjectListView):
    queryset = ConsolePort.objects.all()
    filterset = filtersets.ConsolePortFilterSet
    filterset_form = forms.ConsolePortFilterForm
    table = tables.ConsolePortTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(ConsolePort)
class ConsolePortView(generic.ObjectView):
    queryset = ConsolePort.objects.all()


@register_model_view(ConsolePort, 'add', detail=False)
class ConsolePortCreateView(generic.ComponentCreateView):
    queryset = ConsolePort.objects.all()
    form = forms.ConsolePortCreateForm
    model_form = forms.ConsolePortForm


@register_model_view(ConsolePort, 'edit')
class ConsolePortEditView(generic.ObjectEditView):
    queryset = ConsolePort.objects.all()
    form = forms.ConsolePortForm


@register_model_view(ConsolePort, 'delete')
class ConsolePortDeleteView(generic.ObjectDeleteView):
    queryset = ConsolePort.objects.all()


@register_model_view(ConsolePort, 'bulk_import', detail=False)
class ConsolePortBulkImportView(generic.BulkImportView):
    queryset = ConsolePort.objects.all()
    model_form = forms.ConsolePortImportForm


@register_model_view(ConsolePort, 'bulk_edit', path='edit', detail=False)
class ConsolePortBulkEditView(generic.BulkEditView):
    queryset = ConsolePort.objects.all()
    filterset = filtersets.ConsolePortFilterSet
    table = tables.ConsolePortTable
    form = forms.ConsolePortBulkEditForm


@register_model_view(ConsolePort, 'bulk_rename', path='rename', detail=False)
class ConsolePortBulkRenameView(generic.BulkRenameView):
    queryset = ConsolePort.objects.all()


@register_model_view(ConsolePort, 'bulk_disconnect', path='disconnect', detail=False)
class ConsolePortBulkDisconnectView(BulkDisconnectView):
    queryset = ConsolePort.objects.all()


@register_model_view(ConsolePort, 'bulk_delete', path='delete', detail=False)
class ConsolePortBulkDeleteView(generic.BulkDeleteView):
    queryset = ConsolePort.objects.all()
    filterset = filtersets.ConsolePortFilterSet
    table = tables.ConsolePortTable


# Trace view
register_model_view(ConsolePort, 'trace', kwargs={'model': ConsolePort})(PathTraceView)


#
# Console server ports
#

@register_model_view(ConsoleServerPort, 'list', path='', detail=False)
class ConsoleServerPortListView(generic.ObjectListView):
    queryset = ConsoleServerPort.objects.all()
    filterset = filtersets.ConsoleServerPortFilterSet
    filterset_form = forms.ConsoleServerPortFilterForm
    table = tables.ConsoleServerPortTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(ConsoleServerPort)
class ConsoleServerPortView(generic.ObjectView):
    queryset = ConsoleServerPort.objects.all()


@register_model_view(ConsoleServerPort, 'add', detail=False)
class ConsoleServerPortCreateView(generic.ComponentCreateView):
    queryset = ConsoleServerPort.objects.all()
    form = forms.ConsoleServerPortCreateForm
    model_form = forms.ConsoleServerPortForm


@register_model_view(ConsoleServerPort, 'edit')
class ConsoleServerPortEditView(generic.ObjectEditView):
    queryset = ConsoleServerPort.objects.all()
    form = forms.ConsoleServerPortForm


@register_model_view(ConsoleServerPort, 'delete')
class ConsoleServerPortDeleteView(generic.ObjectDeleteView):
    queryset = ConsoleServerPort.objects.all()


@register_model_view(ConsoleServerPort, 'bulk_import', detail=False)
class ConsoleServerPortBulkImportView(generic.BulkImportView):
    queryset = ConsoleServerPort.objects.all()
    model_form = forms.ConsoleServerPortImportForm


@register_model_view(ConsoleServerPort, 'bulk_edit', path='edit', detail=False)
class ConsoleServerPortBulkEditView(generic.BulkEditView):
    queryset = ConsoleServerPort.objects.all()
    filterset = filtersets.ConsoleServerPortFilterSet
    table = tables.ConsoleServerPortTable
    form = forms.ConsoleServerPortBulkEditForm


@register_model_view(ConsoleServerPort, 'bulk_rename', path='rename', detail=False)
class ConsoleServerPortBulkRenameView(generic.BulkRenameView):
    queryset = ConsoleServerPort.objects.all()


@register_model_view(ConsoleServerPort, 'bulk_disconnect', path='disconnect', detail=False)
class ConsoleServerPortBulkDisconnectView(BulkDisconnectView):
    queryset = ConsoleServerPort.objects.all()


@register_model_view(ConsoleServerPort, 'bulk_delete', path='delete', detail=False)
class ConsoleServerPortBulkDeleteView(generic.BulkDeleteView):
    queryset = ConsoleServerPort.objects.all()
    filterset = filtersets.ConsoleServerPortFilterSet
    table = tables.ConsoleServerPortTable


# Trace view
register_model_view(ConsoleServerPort, 'trace', kwargs={'model': ConsoleServerPort})(PathTraceView)


#
# Power ports
#

@register_model_view(PowerPort, 'list', path='', detail=False)
class PowerPortListView(generic.ObjectListView):
    queryset = PowerPort.objects.all()
    filterset = filtersets.PowerPortFilterSet
    filterset_form = forms.PowerPortFilterForm
    table = tables.PowerPortTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(PowerPort)
class PowerPortView(generic.ObjectView):
    queryset = PowerPort.objects.all()


@register_model_view(PowerPort, 'add', detail=False)
class PowerPortCreateView(generic.ComponentCreateView):
    queryset = PowerPort.objects.all()
    form = forms.PowerPortCreateForm
    model_form = forms.PowerPortForm


@register_model_view(PowerPort, 'edit')
class PowerPortEditView(generic.ObjectEditView):
    queryset = PowerPort.objects.all()
    form = forms.PowerPortForm


@register_model_view(PowerPort, 'delete')
class PowerPortDeleteView(generic.ObjectDeleteView):
    queryset = PowerPort.objects.all()


@register_model_view(PowerPort, 'bulk_import', detail=False)
class PowerPortBulkImportView(generic.BulkImportView):
    queryset = PowerPort.objects.all()
    model_form = forms.PowerPortImportForm


@register_model_view(PowerPort, 'bulk_edit', path='edit', detail=False)
class PowerPortBulkEditView(generic.BulkEditView):
    queryset = PowerPort.objects.all()
    filterset = filtersets.PowerPortFilterSet
    table = tables.PowerPortTable
    form = forms.PowerPortBulkEditForm


@register_model_view(PowerPort, 'bulk_rename', path='rename', detail=False)
class PowerPortBulkRenameView(generic.BulkRenameView):
    queryset = PowerPort.objects.all()


@register_model_view(PowerPort, 'bulk_disconnect', path='disconnect', detail=False)
class PowerPortBulkDisconnectView(BulkDisconnectView):
    queryset = PowerPort.objects.all()


@register_model_view(PowerPort, 'bulk_delete', path='delete', detail=False)
class PowerPortBulkDeleteView(generic.BulkDeleteView):
    queryset = PowerPort.objects.all()
    filterset = filtersets.PowerPortFilterSet
    table = tables.PowerPortTable


# Trace view
register_model_view(PowerPort, 'trace', kwargs={'model': PowerPort})(PathTraceView)


#
# Power outlets
#

@register_model_view(PowerOutlet, 'list', path='', detail=False)
class PowerOutletListView(generic.ObjectListView):
    queryset = PowerOutlet.objects.all()
    filterset = filtersets.PowerOutletFilterSet
    filterset_form = forms.PowerOutletFilterForm
    table = tables.PowerOutletTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(PowerOutlet)
class PowerOutletView(generic.ObjectView):
    queryset = PowerOutlet.objects.all()


@register_model_view(PowerOutlet, 'add', detail=False)
class PowerOutletCreateView(generic.ComponentCreateView):
    queryset = PowerOutlet.objects.all()
    form = forms.PowerOutletCreateForm
    model_form = forms.PowerOutletForm


@register_model_view(PowerOutlet, 'edit')
class PowerOutletEditView(generic.ObjectEditView):
    queryset = PowerOutlet.objects.all()
    form = forms.PowerOutletForm


@register_model_view(PowerOutlet, 'delete')
class PowerOutletDeleteView(generic.ObjectDeleteView):
    queryset = PowerOutlet.objects.all()


@register_model_view(PowerOutlet, 'bulk_import', detail=False)
class PowerOutletBulkImportView(generic.BulkImportView):
    queryset = PowerOutlet.objects.all()
    model_form = forms.PowerOutletImportForm


@register_model_view(PowerOutlet, 'bulk_edit', path='edit', detail=False)
class PowerOutletBulkEditView(generic.BulkEditView):
    queryset = PowerOutlet.objects.all()
    filterset = filtersets.PowerOutletFilterSet
    table = tables.PowerOutletTable
    form = forms.PowerOutletBulkEditForm


@register_model_view(PowerOutlet, 'bulk_rename', path='rename', detail=False)
class PowerOutletBulkRenameView(generic.BulkRenameView):
    queryset = PowerOutlet.objects.all()


@register_model_view(PowerOutlet, 'bulk_disconnect', path='disconnect', detail=False)
class PowerOutletBulkDisconnectView(BulkDisconnectView):
    queryset = PowerOutlet.objects.all()


@register_model_view(PowerOutlet, 'bulk_delete', path='delete', detail=False)
class PowerOutletBulkDeleteView(generic.BulkDeleteView):
    queryset = PowerOutlet.objects.all()
    filterset = filtersets.PowerOutletFilterSet
    table = tables.PowerOutletTable


# Trace view
register_model_view(PowerOutlet, 'trace', kwargs={'model': PowerOutlet})(PathTraceView)


#
# Interfaces
#

@register_model_view(Interface, 'list', path='', detail=False)
class InterfaceListView(generic.ObjectListView):
    queryset = Interface.objects.all()
    filterset = filtersets.InterfaceFilterSet
    filterset_form = forms.InterfaceFilterForm
    table = tables.InterfaceTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(Interface)
class InterfaceView(generic.ObjectView):
    queryset = Interface.objects.all()

    def get_extra_context(self, request, instance):
        # Get assigned VDCs
        vdc_table = tables.VirtualDeviceContextTable(
            data=instance.vdcs.restrict(request.user, 'view').prefetch_related('device'),
            exclude=(
                'tenant', 'tenant_group', 'primary_ip', 'primary_ip4', 'primary_ip6', 'oob_ip', 'comments', 'tags',
                'created', 'last_updated', 'actions',
            ),
            orderable=False
        )

        # Get bridge interfaces
        bridge_interfaces = Interface.objects.restrict(request.user, 'view').filter(bridge=instance)
        bridge_interfaces_table = tables.InterfaceTable(
            bridge_interfaces,
            exclude=('device', 'parent'),
            orderable=False
        )

        # Get child interfaces
        child_interfaces = Interface.objects.restrict(request.user, 'view').filter(parent=instance)
        child_interfaces_table = tables.InterfaceTable(
            child_interfaces,
            exclude=('device', 'parent'),
            orderable=False
        )

        # Get assigned VLANs and annotate whether each is tagged or untagged
        vlans = []
        if instance.untagged_vlan is not None:
            vlans.append(instance.untagged_vlan)
            vlans[0].tagged = False
        for vlan in instance.tagged_vlans.restrict(request.user).prefetch_related('site', 'group', 'tenant', 'role'):
            vlan.tagged = True
            vlans.append(vlan)
        vlan_table = InterfaceVLANTable(
            interface=instance,
            data=vlans,
            orderable=False
        )

        # Get VLAN translation rules
        vlan_translation_table = None
        if instance.vlan_translation_policy:
            vlan_translation_table = VLANTranslationRuleTable(
                data=instance.vlan_translation_policy.rules.all(),
                orderable=False
            )

        return {
            'vdc_table': vdc_table,
            'bridge_interfaces_table': bridge_interfaces_table,
            'child_interfaces_table': child_interfaces_table,
            'vlan_table': vlan_table,
            'vlan_translation_table': vlan_translation_table,
        }


@register_model_view(Interface, 'add', detail=False)
class InterfaceCreateView(generic.ComponentCreateView):
    queryset = Interface.objects.all()
    form = forms.InterfaceCreateForm
    model_form = forms.InterfaceForm


@register_model_view(Interface, 'edit')
class InterfaceEditView(generic.ObjectEditView):
    queryset = Interface.objects.all()
    form = forms.InterfaceForm


@register_model_view(Interface, 'delete')
class InterfaceDeleteView(generic.ObjectDeleteView):
    queryset = Interface.objects.all()


@register_model_view(Interface, 'bulk_import', detail=False)
class InterfaceBulkImportView(generic.BulkImportView):
    queryset = Interface.objects.all()
    model_form = forms.InterfaceImportForm


@register_model_view(Interface, 'bulk_edit', path='edit', detail=False)
class InterfaceBulkEditView(generic.BulkEditView):
    queryset = Interface.objects.all()
    filterset = filtersets.InterfaceFilterSet
    table = tables.InterfaceTable
    form = forms.InterfaceBulkEditForm

    def post_save_operations(self, form, obj):
        super().post_save_operations(form, obj)

        # Add/remove tagged VLANs
        if obj.mode == InterfaceModeChoices.MODE_TAGGED:
            if form.cleaned_data.get('add_tagged_vlans', None):
                obj.tagged_vlans.add(*form.cleaned_data['add_tagged_vlans'])
            if form.cleaned_data.get('remove_tagged_vlans', None):
                obj.tagged_vlans.remove(*form.cleaned_data['remove_tagged_vlans'])


@register_model_view(Interface, 'bulk_rename', path='rename', detail=False)
class InterfaceBulkRenameView(generic.BulkRenameView):
    queryset = Interface.objects.all()


@register_model_view(Interface, 'bulk_disconnect', path='disconnect', detail=False)
class InterfaceBulkDisconnectView(BulkDisconnectView):
    queryset = Interface.objects.all()


@register_model_view(Interface, 'bulk_delete', path='delete', detail=False)
class InterfaceBulkDeleteView(generic.BulkDeleteView):
    # Ensure child interfaces are deleted prior to their parents
    queryset = Interface.objects.order_by('device', 'parent', CollateAsChar('_name'))
    filterset = filtersets.InterfaceFilterSet
    table = tables.InterfaceTable


# Trace view
register_model_view(Interface, 'trace', kwargs={'model': Interface})(PathTraceView)


#
# Front ports
#

@register_model_view(FrontPort, 'list', path='', detail=False)
class FrontPortListView(generic.ObjectListView):
    queryset = FrontPort.objects.all()
    filterset = filtersets.FrontPortFilterSet
    filterset_form = forms.FrontPortFilterForm
    table = tables.FrontPortTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(FrontPort)
class FrontPortView(generic.ObjectView):
    queryset = FrontPort.objects.all()


@register_model_view(FrontPort, 'add', detail=False)
class FrontPortCreateView(generic.ComponentCreateView):
    queryset = FrontPort.objects.all()
    form = forms.FrontPortCreateForm
    model_form = forms.FrontPortForm


@register_model_view(FrontPort, 'edit')
class FrontPortEditView(generic.ObjectEditView):
    queryset = FrontPort.objects.all()
    form = forms.FrontPortForm


@register_model_view(FrontPort, 'delete')
class FrontPortDeleteView(generic.ObjectDeleteView):
    queryset = FrontPort.objects.all()


@register_model_view(FrontPort, 'bulk_import', detail=False)
class FrontPortBulkImportView(generic.BulkImportView):
    queryset = FrontPort.objects.all()
    model_form = forms.FrontPortImportForm


@register_model_view(FrontPort, 'bulk_edit', path='edit', detail=False)
class FrontPortBulkEditView(generic.BulkEditView):
    queryset = FrontPort.objects.all()
    filterset = filtersets.FrontPortFilterSet
    table = tables.FrontPortTable
    form = forms.FrontPortBulkEditForm


@register_model_view(FrontPort, 'bulk_rename', path='rename', detail=False)
class FrontPortBulkRenameView(generic.BulkRenameView):
    queryset = FrontPort.objects.all()


@register_model_view(FrontPort, 'bulk_disconnect', path='disconnect', detail=False)
class FrontPortBulkDisconnectView(BulkDisconnectView):
    queryset = FrontPort.objects.all()


@register_model_view(FrontPort, 'bulk_delete', path='delete', detail=False)
class FrontPortBulkDeleteView(generic.BulkDeleteView):
    queryset = FrontPort.objects.all()
    filterset = filtersets.FrontPortFilterSet
    table = tables.FrontPortTable


# Trace view
register_model_view(FrontPort, 'trace', kwargs={'model': FrontPort})(PathTraceView)


#
# Rear ports
#

@register_model_view(RearPort, 'list', path='', detail=False)
class RearPortListView(generic.ObjectListView):
    queryset = RearPort.objects.all()
    filterset = filtersets.RearPortFilterSet
    filterset_form = forms.RearPortFilterForm
    table = tables.RearPortTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(RearPort)
class RearPortView(generic.ObjectView):
    queryset = RearPort.objects.all()


@register_model_view(RearPort, 'add', detail=False)
class RearPortCreateView(generic.ComponentCreateView):
    queryset = RearPort.objects.all()
    form = forms.RearPortCreateForm
    model_form = forms.RearPortForm


@register_model_view(RearPort, 'edit')
class RearPortEditView(generic.ObjectEditView):
    queryset = RearPort.objects.all()
    form = forms.RearPortForm


@register_model_view(RearPort, 'delete')
class RearPortDeleteView(generic.ObjectDeleteView):
    queryset = RearPort.objects.all()


@register_model_view(RearPort, 'bulk_import', detail=False)
class RearPortBulkImportView(generic.BulkImportView):
    queryset = RearPort.objects.all()
    model_form = forms.RearPortImportForm


@register_model_view(RearPort, 'bulk_edit', path='edit', detail=False)
class RearPortBulkEditView(generic.BulkEditView):
    queryset = RearPort.objects.all()
    filterset = filtersets.RearPortFilterSet
    table = tables.RearPortTable
    form = forms.RearPortBulkEditForm


@register_model_view(RearPort, 'bulk_rename', path='rename', detail=False)
class RearPortBulkRenameView(generic.BulkRenameView):
    queryset = RearPort.objects.all()


@register_model_view(RearPort, 'bulk_disconnect', path='disconnect', detail=False)
class RearPortBulkDisconnectView(BulkDisconnectView):
    queryset = RearPort.objects.all()


@register_model_view(RearPort, 'bulk_delete', path='delete', detail=False)
class RearPortBulkDeleteView(generic.BulkDeleteView):
    queryset = RearPort.objects.all()
    filterset = filtersets.RearPortFilterSet
    table = tables.RearPortTable


# Trace view
register_model_view(RearPort, 'trace', kwargs={'model': RearPort})(PathTraceView)


#
# Module bays
#

@register_model_view(ModuleBay, 'list', path='', detail=False)
class ModuleBayListView(generic.ObjectListView):
    queryset = ModuleBay.objects.select_related('installed_module__module_type')
    filterset = filtersets.ModuleBayFilterSet
    filterset_form = forms.ModuleBayFilterForm
    table = tables.ModuleBayTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(ModuleBay)
class ModuleBayView(generic.ObjectView):
    queryset = ModuleBay.objects.all()


@register_model_view(ModuleBay, 'add', detail=False)
class ModuleBayCreateView(generic.ComponentCreateView):
    queryset = ModuleBay.objects.all()
    form = forms.ModuleBayCreateForm
    model_form = forms.ModuleBayForm


@register_model_view(ModuleBay, 'edit')
class ModuleBayEditView(generic.ObjectEditView):
    queryset = ModuleBay.objects.all()
    form = forms.ModuleBayForm


@register_model_view(ModuleBay, 'delete')
class ModuleBayDeleteView(generic.ObjectDeleteView):
    queryset = ModuleBay.objects.all()


@register_model_view(ModuleBay, 'bulk_import', detail=False)
class ModuleBayBulkImportView(generic.BulkImportView):
    queryset = ModuleBay.objects.all()
    model_form = forms.ModuleBayImportForm


@register_model_view(ModuleBay, 'bulk_edit', path='edit', detail=False)
class ModuleBayBulkEditView(generic.BulkEditView):
    queryset = ModuleBay.objects.all()
    filterset = filtersets.ModuleBayFilterSet
    table = tables.ModuleBayTable
    form = forms.ModuleBayBulkEditForm


@register_model_view(ModuleBay, 'bulk_rename', path='rename', detail=False)
class ModuleBayBulkRenameView(generic.BulkRenameView):
    queryset = ModuleBay.objects.all()


@register_model_view(ModuleBay, 'bulk_delete', path='delete', detail=False)
class ModuleBayBulkDeleteView(generic.BulkDeleteView):
    queryset = ModuleBay.objects.all()
    filterset = filtersets.ModuleBayFilterSet
    table = tables.ModuleBayTable


#
# Device bays
#

@register_model_view(DeviceBay, 'list', path='', detail=False)
class DeviceBayListView(generic.ObjectListView):
    queryset = DeviceBay.objects.all()
    filterset = filtersets.DeviceBayFilterSet
    filterset_form = forms.DeviceBayFilterForm
    table = tables.DeviceBayTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(DeviceBay)
class DeviceBayView(generic.ObjectView):
    queryset = DeviceBay.objects.all()


@register_model_view(DeviceBay, 'add', detail=False)
class DeviceBayCreateView(generic.ComponentCreateView):
    queryset = DeviceBay.objects.all()
    form = forms.DeviceBayCreateForm
    model_form = forms.DeviceBayForm


@register_model_view(DeviceBay, 'edit')
class DeviceBayEditView(generic.ObjectEditView):
    queryset = DeviceBay.objects.all()
    form = forms.DeviceBayForm


@register_model_view(DeviceBay, 'delete')
class DeviceBayDeleteView(generic.ObjectDeleteView):
    queryset = DeviceBay.objects.all()


@register_model_view(DeviceBay, 'populate')
class DeviceBayPopulateView(generic.ObjectEditView):
    queryset = DeviceBay.objects.all()

    def get(self, request, pk):
        device_bay = get_object_or_404(self.queryset, pk=pk)
        form = forms.PopulateDeviceBayForm(device_bay)

        return render(request, 'dcim/devicebay_populate.html', {
            'device_bay': device_bay,
            'form': form,
            'return_url': self.get_return_url(request, device_bay),
        })

    def post(self, request, pk):
        device_bay = get_object_or_404(self.queryset, pk=pk)
        form = forms.PopulateDeviceBayForm(device_bay, request.POST)

        if form.is_valid():
            device_bay.snapshot()
            device_bay.installed_device = form.cleaned_data['installed_device']
            device_bay.save()
            messages.success(
                request,
                _("Installed device {device} in bay {device_bay}.").format(
                    device=device_bay.installed_device,
                    device_bay=device_bay
                )
            )
            return_url = self.get_return_url(request)

            return redirect(return_url)

        return render(request, 'dcim/devicebay_populate.html', {
            'device_bay': device_bay,
            'form': form,
            'return_url': self.get_return_url(request, device_bay),
        })


@register_model_view(DeviceBay, 'depopulate')
class DeviceBayDepopulateView(generic.ObjectEditView):
    queryset = DeviceBay.objects.all()

    def get(self, request, pk):
        device_bay = get_object_or_404(self.queryset, pk=pk)
        form = ConfirmationForm()

        return render(request, 'dcim/devicebay_depopulate.html', {
            'device_bay': device_bay,
            'form': form,
            'return_url': self.get_return_url(request, device_bay),
        })

    def post(self, request, pk):
        device_bay = get_object_or_404(self.queryset, pk=pk)
        form = ConfirmationForm(request.POST)

        if form.is_valid():
            device_bay.snapshot()
            removed_device = device_bay.installed_device
            device_bay.installed_device = None
            device_bay.save()
            messages.success(
                request,
                _("Removed device {device} from bay {device_bay}.").format(
                    device=removed_device,
                    device_bay=device_bay
                )
            )
            return_url = self.get_return_url(request, device_bay.device)

            return redirect(return_url)

        return render(request, 'dcim/devicebay_depopulate.html', {
            'device_bay': device_bay,
            'form': form,
            'return_url': self.get_return_url(request, device_bay),
        })


@register_model_view(DeviceBay, 'bulk_import', detail=False)
class DeviceBayBulkImportView(generic.BulkImportView):
    queryset = DeviceBay.objects.all()
    model_form = forms.DeviceBayImportForm


@register_model_view(DeviceBay, 'bulk_edit', path='edit', detail=False)
class DeviceBayBulkEditView(generic.BulkEditView):
    queryset = DeviceBay.objects.all()
    filterset = filtersets.DeviceBayFilterSet
    table = tables.DeviceBayTable
    form = forms.DeviceBayBulkEditForm


@register_model_view(DeviceBay, 'bulk_rename', path='rename', detail=False)
class DeviceBayBulkRenameView(generic.BulkRenameView):
    queryset = DeviceBay.objects.all()


@register_model_view(DeviceBay, 'bulk_delete', path='delete', detail=False)
class DeviceBayBulkDeleteView(generic.BulkDeleteView):
    queryset = DeviceBay.objects.all()
    filterset = filtersets.DeviceBayFilterSet
    table = tables.DeviceBayTable


#
# Inventory items
#

@register_model_view(InventoryItem, 'list', path='', detail=False)
class InventoryItemListView(generic.ObjectListView):
    queryset = InventoryItem.objects.all()
    filterset = filtersets.InventoryItemFilterSet
    filterset_form = forms.InventoryItemFilterForm
    table = tables.InventoryItemTable
    template_name = 'dcim/component_list.html'
    actions = {
        **DEFAULT_ACTION_PERMISSIONS,
        'bulk_rename': {'change'},
    }


@register_model_view(InventoryItem)
class InventoryItemView(generic.ObjectView):
    queryset = InventoryItem.objects.all()


@register_model_view(InventoryItem, 'edit')
class InventoryItemEditView(generic.ObjectEditView):
    queryset = InventoryItem.objects.all()
    form = forms.InventoryItemForm


@register_model_view(InventoryItem, 'add', detail=False)
class InventoryItemCreateView(generic.ComponentCreateView):
    queryset = InventoryItem.objects.all()
    form = forms.InventoryItemCreateForm
    model_form = forms.InventoryItemForm


@register_model_view(InventoryItem, 'delete')
class InventoryItemDeleteView(generic.ObjectDeleteView):
    queryset = InventoryItem.objects.all()


@register_model_view(InventoryItem, 'bulk_import', detail=False)
class InventoryItemBulkImportView(generic.BulkImportView):
    queryset = InventoryItem.objects.all()
    model_form = forms.InventoryItemImportForm


@register_model_view(InventoryItem, 'bulk_edit', path='edit', detail=False)
class InventoryItemBulkEditView(generic.BulkEditView):
    queryset = InventoryItem.objects.all()
    filterset = filtersets.InventoryItemFilterSet
    table = tables.InventoryItemTable
    form = forms.InventoryItemBulkEditForm


@register_model_view(InventoryItem, 'bulk_rename', path='rename', detail=False)
class InventoryItemBulkRenameView(generic.BulkRenameView):
    queryset = InventoryItem.objects.all()


@register_model_view(InventoryItem, 'bulk_delete', path='delete', detail=False)
class InventoryItemBulkDeleteView(generic.BulkDeleteView):
    queryset = InventoryItem.objects.all()
    filterset = filtersets.InventoryItemFilterSet
    table = tables.InventoryItemTable


@register_model_view(InventoryItem, 'children')
class InventoryItemChildrenView(generic.ObjectChildrenView):
    queryset = InventoryItem.objects.all()
    child_model = InventoryItem
    table = tables.InventoryItemTable
    filterset = filtersets.InventoryItemFilterSet
    filterset_form = forms.InventoryItemFilterForm
    tab = ViewTab(
        label=_('Children'),
        badge=lambda obj: obj.child_items.count(),
        permission='dcim.view_inventoryitem',
        hide_if_empty=True,
        weight=5000
    )

    def get_children(self, request, parent):
        return parent.child_items.restrict(request.user, 'view')


#
# Inventory item roles
#

@register_model_view(InventoryItemRole, 'list', path='', detail=False)
class InventoryItemRoleListView(generic.ObjectListView):
    queryset = InventoryItemRole.objects.annotate(
        inventoryitem_count=count_related(InventoryItem, 'role'),
    )
    filterset = filtersets.InventoryItemRoleFilterSet
    filterset_form = forms.InventoryItemRoleFilterForm
    table = tables.InventoryItemRoleTable


@register_model_view(InventoryItemRole)
class InventoryItemRoleView(generic.ObjectView):
    queryset = InventoryItemRole.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'inventoryitem_count': InventoryItem.objects.filter(role=instance).count(),
        }


@register_model_view(InventoryItemRole, 'add', detail=False)
@register_model_view(InventoryItemRole, 'edit')
class InventoryItemRoleEditView(generic.ObjectEditView):
    queryset = InventoryItemRole.objects.all()
    form = forms.InventoryItemRoleForm


@register_model_view(InventoryItemRole, 'delete')
class InventoryItemRoleDeleteView(generic.ObjectDeleteView):
    queryset = InventoryItemRole.objects.all()


@register_model_view(InventoryItemRole, 'bulk_import', detail=False)
class InventoryItemRoleBulkImportView(generic.BulkImportView):
    queryset = InventoryItemRole.objects.all()
    model_form = forms.InventoryItemRoleImportForm


@register_model_view(InventoryItemRole, 'bulk_edit', path='edit', detail=False)
class InventoryItemRoleBulkEditView(generic.BulkEditView):
    queryset = InventoryItemRole.objects.annotate(
        inventoryitem_count=count_related(InventoryItem, 'role'),
    )
    filterset = filtersets.InventoryItemRoleFilterSet
    table = tables.InventoryItemRoleTable
    form = forms.InventoryItemRoleBulkEditForm


@register_model_view(InventoryItemRole, 'bulk_delete', path='delete', detail=False)
class InventoryItemRoleBulkDeleteView(generic.BulkDeleteView):
    queryset = InventoryItemRole.objects.annotate(
        inventoryitem_count=count_related(InventoryItem, 'role'),
    )
    filterset = filtersets.InventoryItemRoleFilterSet
    table = tables.InventoryItemRoleTable


#
# Bulk Device component creation
#

class DeviceBulkAddConsolePortView(generic.BulkComponentCreateView):
    parent_model = Device
    parent_field = 'device'
    form = forms.ConsolePortBulkCreateForm
    queryset = ConsolePort.objects.all()
    model_form = forms.ConsolePortForm
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    default_return_url = 'dcim:device_list'


class DeviceBulkAddConsoleServerPortView(generic.BulkComponentCreateView):
    parent_model = Device
    parent_field = 'device'
    form = forms.ConsoleServerPortBulkCreateForm
    queryset = ConsoleServerPort.objects.all()
    model_form = forms.ConsoleServerPortForm
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    default_return_url = 'dcim:device_list'


class DeviceBulkAddPowerPortView(generic.BulkComponentCreateView):
    parent_model = Device
    parent_field = 'device'
    form = forms.PowerPortBulkCreateForm
    queryset = PowerPort.objects.all()
    model_form = forms.PowerPortForm
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    default_return_url = 'dcim:device_list'


class DeviceBulkAddPowerOutletView(generic.BulkComponentCreateView):
    parent_model = Device
    parent_field = 'device'
    form = forms.PowerOutletBulkCreateForm
    queryset = PowerOutlet.objects.all()
    model_form = forms.PowerOutletForm
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    default_return_url = 'dcim:device_list'


class DeviceBulkAddInterfaceView(generic.BulkComponentCreateView):
    parent_model = Device
    parent_field = 'device'
    form = forms.InterfaceBulkCreateForm
    queryset = Interface.objects.all()
    model_form = forms.InterfaceForm
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    default_return_url = 'dcim:device_list'


class DeviceBulkAddRearPortView(generic.BulkComponentCreateView):
    parent_model = Device
    parent_field = 'device'
    form = forms.RearPortBulkCreateForm
    queryset = RearPort.objects.all()
    model_form = forms.RearPortForm
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    default_return_url = 'dcim:device_list'


class DeviceBulkAddModuleBayView(generic.BulkComponentCreateView):
    parent_model = Device
    parent_field = 'device'
    form = forms.ModuleBayBulkCreateForm
    queryset = ModuleBay.objects.all()
    model_form = forms.ModuleBayForm
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    default_return_url = 'dcim:device_list'


class DeviceBulkAddDeviceBayView(generic.BulkComponentCreateView):
    parent_model = Device
    parent_field = 'device'
    form = forms.DeviceBayBulkCreateForm
    queryset = DeviceBay.objects.all()
    model_form = forms.DeviceBayForm
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    default_return_url = 'dcim:device_list'


class DeviceBulkAddInventoryItemView(generic.BulkComponentCreateView):
    parent_model = Device
    parent_field = 'device'
    form = forms.InventoryItemBulkCreateForm
    queryset = InventoryItem.objects.all()
    model_form = forms.InventoryItemForm
    filterset = filtersets.DeviceFilterSet
    table = tables.DeviceTable
    default_return_url = 'dcim:device_list'


#
# Cables
#

@register_model_view(Cable, 'list', path='', detail=False)
class CableListView(generic.ObjectListView):
    queryset = Cable.objects.prefetch_related(
        'terminations__termination', 'terminations___device', 'terminations___rack', 'terminations___location',
        'terminations___site',
    )
    filterset = filtersets.CableFilterSet
    filterset_form = forms.CableFilterForm
    table = tables.CableTable


@register_model_view(Cable)
class CableView(generic.ObjectView):
    queryset = Cable.objects.all()


@register_model_view(Cable, 'add', detail=False)
@register_model_view(Cable, 'edit')
class CableEditView(generic.ObjectEditView):
    queryset = Cable.objects.all()
    template_name = 'dcim/cable_edit.html'
    htmx_template_name = 'dcim/htmx/cable_edit.html'

    def alter_object(self, obj, request, url_args, url_kwargs):
        """
        Hack into alter_object() to set the form class when editing an existing Cable, since ObjectEditView
        doesn't currently provide a hook for dynamic class resolution.
        """
        a_terminations_type = CABLE_TERMINATION_TYPES.get(
            request.POST.get('a_terminations_type') or request.GET.get('a_terminations_type')
        )
        b_terminations_type = CABLE_TERMINATION_TYPES.get(
            request.POST.get('b_terminations_type') or request.GET.get('b_terminations_type')
        )

        if obj.pk:
            if not a_terminations_type and (termination_a := obj.terminations.filter(cable_end='A').first()):
                a_terminations_type = termination_a.termination._meta.model
            if not b_terminations_type and (termination_b := obj.terminations.filter(cable_end='B').first()):
                b_terminations_type = termination_b.termination._meta.model

        self.form = forms.get_cable_form(a_terminations_type, b_terminations_type)

        return super().alter_object(obj, request, url_args, url_kwargs)

    def get_extra_addanother_params(self, request):

        params = {
            'a_terminations_type': request.GET.get('a_terminations_type'),
            'b_terminations_type': request.GET.get('b_terminations_type')
        }

        for key in request.POST:
            if 'device' in key or 'power_panel' in key or 'circuit' in key:
                params.update({key: request.POST.get(key)})

        return params


@register_model_view(Cable, 'delete')
class CableDeleteView(generic.ObjectDeleteView):
    queryset = Cable.objects.all()


@register_model_view(Cable, 'bulk_import', detail=False)
class CableBulkImportView(generic.BulkImportView):
    queryset = Cable.objects.all()
    model_form = forms.CableImportForm


@register_model_view(Cable, 'bulk_edit', path='edit', detail=False)
class CableBulkEditView(generic.BulkEditView):
    queryset = Cable.objects.prefetch_related(
        'terminations__termination', 'terminations___device', 'terminations___rack', 'terminations___location',
        'terminations___site',
    )
    filterset = filtersets.CableFilterSet
    table = tables.CableTable
    form = forms.CableBulkEditForm


@register_model_view(Cable, 'bulk_delete', path='delete', detail=False)
class CableBulkDeleteView(generic.BulkDeleteView):
    queryset = Cable.objects.prefetch_related(
        'terminations__termination', 'terminations___device', 'terminations___rack', 'terminations___location',
        'terminations___site',
    )
    filterset = filtersets.CableFilterSet
    table = tables.CableTable


#
# Connections
#

class ConsoleConnectionsListView(generic.ObjectListView):
    queryset = ConsolePort.objects.filter(_path__is_complete=True)
    filterset = filtersets.ConsoleConnectionFilterSet
    filterset_form = forms.ConsoleConnectionFilterForm
    table = tables.ConsoleConnectionTable
    template_name = 'dcim/connections_list.html'
    actions = {
        'export': {'view'},
    }

    def get_extra_context(self, request):
        return {
            'title': 'Console Connections'
        }


class PowerConnectionsListView(generic.ObjectListView):
    queryset = PowerPort.objects.filter(_path__is_complete=True)
    filterset = filtersets.PowerConnectionFilterSet
    filterset_form = forms.PowerConnectionFilterForm
    table = tables.PowerConnectionTable
    template_name = 'dcim/connections_list.html'
    actions = {
        'export': {'view'},
    }

    def get_extra_context(self, request):
        return {
            'title': 'Power Connections'
        }


class InterfaceConnectionsListView(generic.ObjectListView):
    queryset = Interface.objects.filter(_path__is_complete=True)
    filterset = filtersets.InterfaceConnectionFilterSet
    filterset_form = forms.InterfaceConnectionFilterForm
    table = tables.InterfaceConnectionTable
    template_name = 'dcim/connections_list.html'
    actions = {
        'export': {'view'},
    }

    def get_extra_context(self, request):
        return {
            'title': 'Interface Connections'
        }


#
# Virtual chassis
#

@register_model_view(VirtualChassis, 'list', path='', detail=False)
class VirtualChassisListView(generic.ObjectListView):
    queryset = VirtualChassis.objects.all()
    table = tables.VirtualChassisTable
    filterset = filtersets.VirtualChassisFilterSet
    filterset_form = forms.VirtualChassisFilterForm


@register_model_view(VirtualChassis)
class VirtualChassisView(generic.ObjectView):
    queryset = VirtualChassis.objects.all()

    def get_extra_context(self, request, instance):
        members = Device.objects.restrict(request.user).filter(virtual_chassis=instance)

        return {
            'members': members,
        }


@register_model_view(VirtualChassis, 'add', detail=False)
class VirtualChassisCreateView(generic.ObjectEditView):
    queryset = VirtualChassis.objects.all()
    form = forms.VirtualChassisCreateForm
    template_name = 'dcim/virtualchassis_add.html'


@register_model_view(VirtualChassis, 'edit')
class VirtualChassisEditView(ObjectPermissionRequiredMixin, GetReturnURLMixin, View):
    queryset = VirtualChassis.objects.all()

    def get_required_permission(self):
        return 'dcim.change_virtualchassis'

    def get(self, request, pk):

        virtual_chassis = get_object_or_404(self.queryset, pk=pk)
        VCMemberFormSet = modelformset_factory(
            model=Device,
            form=forms.DeviceVCMembershipForm,
            formset=forms.BaseVCMemberFormSet,
            extra=0
        )
        members_queryset = virtual_chassis.members.prefetch_related('rack').order_by('vc_position')

        vc_form = forms.VirtualChassisForm(instance=virtual_chassis)
        vc_form.fields['master'].queryset = members_queryset
        formset = VCMemberFormSet(queryset=members_queryset)

        return render(request, 'dcim/virtualchassis_edit.html', {
            'object': virtual_chassis,
            'vc_form': vc_form,
            'formset': formset,
            'return_url': self.get_return_url(request, virtual_chassis),
        })

    def post(self, request, pk):

        virtual_chassis = get_object_or_404(self.queryset, pk=pk)
        VCMemberFormSet = modelformset_factory(
            model=Device,
            form=forms.DeviceVCMembershipForm,
            formset=forms.BaseVCMemberFormSet,
            extra=0
        )
        members_queryset = virtual_chassis.members.prefetch_related('rack').order_by('vc_position')

        vc_form = forms.VirtualChassisForm(request.POST, instance=virtual_chassis)
        vc_form.fields['master'].queryset = members_queryset
        formset = VCMemberFormSet(request.POST, queryset=members_queryset)

        if vc_form.is_valid() and formset.is_valid():

            with transaction.atomic():

                # Save the VirtualChassis
                vc_form.save()

                # Nullify the vc_position of each member first to allow reordering without raising an IntegrityError on
                # duplicate positions. Then save each member instance.
                members = formset.save(commit=False)
                devices = Device.objects.filter(pk__in=[m.pk for m in members])
                for device in devices:
                    device.vc_position = None
                    device.save()
                for member in members:
                    member.save()

            return redirect(virtual_chassis.get_absolute_url())

        return render(request, 'dcim/virtualchassis_edit.html', {
            'vc_form': vc_form,
            'formset': formset,
            'return_url': self.get_return_url(request, virtual_chassis),
        })


@register_model_view(VirtualChassis, 'delete')
class VirtualChassisDeleteView(generic.ObjectDeleteView):
    queryset = VirtualChassis.objects.all()


@register_model_view(VirtualChassis, 'add_member', path='add-member')
class VirtualChassisAddMemberView(ObjectPermissionRequiredMixin, GetReturnURLMixin, View):
    queryset = VirtualChassis.objects.all()

    def get_required_permission(self):
        return 'dcim.change_virtualchassis'

    def get(self, request, pk):

        virtual_chassis = get_object_or_404(self.queryset, pk=pk)

        initial_data = {k: request.GET[k] for k in request.GET}
        member_select_form = forms.VCMemberSelectForm(initial=initial_data)
        membership_form = forms.DeviceVCMembershipForm(initial=initial_data)

        return render(request, 'dcim/virtualchassis_add_member.html', {
            'virtual_chassis': virtual_chassis,
            'member_select_form': member_select_form,
            'membership_form': membership_form,
            'return_url': self.get_return_url(request, virtual_chassis),
        })

    def post(self, request, pk):

        virtual_chassis = get_object_or_404(self.queryset, pk=pk)

        member_select_form = forms.VCMemberSelectForm(request.POST)

        if member_select_form.is_valid():

            device = member_select_form.cleaned_data['device']
            device.virtual_chassis = virtual_chassis
            data = {k: request.POST[k] for k in ['vc_position', 'vc_priority']}
            membership_form = forms.DeviceVCMembershipForm(data=data, validate_vc_position=True, instance=device)

            if membership_form.is_valid():

                membership_form.save()
                messages.success(request, mark_safe(
                    _('Added member <a href="{url}">{device}</a>').format(
                        url=device.get_absolute_url(), device=escape(device)
                    )
                ))

                if '_addanother' in request.POST:
                    return redirect(request.get_full_path())

                return redirect(self.get_return_url(request, device))

        else:

            membership_form = forms.DeviceVCMembershipForm(data=request.POST)

        return render(request, 'dcim/virtualchassis_add_member.html', {
            'virtual_chassis': virtual_chassis,
            'member_select_form': member_select_form,
            'membership_form': membership_form,
            'return_url': self.get_return_url(request, virtual_chassis),
        })


class VirtualChassisRemoveMemberView(ObjectPermissionRequiredMixin, GetReturnURLMixin, View):
    queryset = Device.objects.all()

    def get_required_permission(self):
        return 'dcim.change_device'

    def get(self, request, pk):

        device = get_object_or_404(self.queryset, pk=pk, virtual_chassis__isnull=False)
        form = ConfirmationForm(initial=request.GET)

        return render(request, 'dcim/virtualchassis_remove_member.html', {
            'device': device,
            'form': form,
            'return_url': self.get_return_url(request, device),
        })

    def post(self, request, pk):

        device = get_object_or_404(self.queryset, pk=pk, virtual_chassis__isnull=False)
        form = ConfirmationForm(request.POST)

        # Protect master device from being removed
        virtual_chassis = VirtualChassis.objects.filter(master=device).first()
        if virtual_chassis is not None:
            messages.error(
                request,
                _('Unable to remove master device {device} from the virtual chassis.').format(device=device)
            )
            return redirect(device.get_absolute_url())

        if form.is_valid():

            devices = Device.objects.filter(pk=device.pk)
            for device in devices:
                device.virtual_chassis = None
                device.vc_position = None
                device.vc_priority = None
                device.save()

            msg = _('Removed {device} from virtual chassis {chassis}').format(
                device=device,
                chassis=device.virtual_chassis
            )
            messages.success(request, msg)

            return redirect(self.get_return_url(request, device))

        return render(request, 'dcim/virtualchassis_remove_member.html', {
            'device': device,
            'form': form,
            'return_url': self.get_return_url(request, device),
        })


@register_model_view(VirtualChassis, 'bulk_import', detail=False)
class VirtualChassisBulkImportView(generic.BulkImportView):
    queryset = VirtualChassis.objects.all()
    model_form = forms.VirtualChassisImportForm


@register_model_view(VirtualChassis, 'bulk_edit', path='edit', detail=False)
class VirtualChassisBulkEditView(generic.BulkEditView):
    queryset = VirtualChassis.objects.all()
    filterset = filtersets.VirtualChassisFilterSet
    table = tables.VirtualChassisTable
    form = forms.VirtualChassisBulkEditForm


@register_model_view(VirtualChassis, 'bulk_delete', path='delete', detail=False)
class VirtualChassisBulkDeleteView(generic.BulkDeleteView):
    queryset = VirtualChassis.objects.all()
    filterset = filtersets.VirtualChassisFilterSet
    table = tables.VirtualChassisTable


#
# Power panels
#

@register_model_view(PowerPanel, 'list', path='', detail=False)
class PowerPanelListView(generic.ObjectListView):
    queryset = PowerPanel.objects.annotate(
        powerfeed_count=count_related(PowerFeed, 'power_panel')
    )
    filterset = filtersets.PowerPanelFilterSet
    filterset_form = forms.PowerPanelFilterForm
    table = tables.PowerPanelTable


@register_model_view(PowerPanel)
class PowerPanelView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = PowerPanel.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(request, instance),
        }


@register_model_view(PowerPanel, 'add', detail=False)
@register_model_view(PowerPanel, 'edit')
class PowerPanelEditView(generic.ObjectEditView):
    queryset = PowerPanel.objects.all()
    form = forms.PowerPanelForm


@register_model_view(PowerPanel, 'delete')
class PowerPanelDeleteView(generic.ObjectDeleteView):
    queryset = PowerPanel.objects.all()


@register_model_view(PowerPanel, 'bulk_import', detail=False)
class PowerPanelBulkImportView(generic.BulkImportView):
    queryset = PowerPanel.objects.all()
    model_form = forms.PowerPanelImportForm


@register_model_view(PowerPanel, 'bulk_edit', path='edit', detail=False)
class PowerPanelBulkEditView(generic.BulkEditView):
    queryset = PowerPanel.objects.all()
    filterset = filtersets.PowerPanelFilterSet
    table = tables.PowerPanelTable
    form = forms.PowerPanelBulkEditForm


@register_model_view(PowerPanel, 'bulk_delete', path='delete', detail=False)
class PowerPanelBulkDeleteView(generic.BulkDeleteView):
    queryset = PowerPanel.objects.annotate(
        powerfeed_count=count_related(PowerFeed, 'power_panel')
    )
    filterset = filtersets.PowerPanelFilterSet
    table = tables.PowerPanelTable


@register_model_view(PowerPanel, 'contacts')
class PowerPanelContactsView(ObjectContactsView):
    queryset = PowerPanel.objects.all()


#
# Power feeds
#

@register_model_view(PowerFeed, 'list', path='', detail=False)
class PowerFeedListView(generic.ObjectListView):
    queryset = PowerFeed.objects.all()
    filterset = filtersets.PowerFeedFilterSet
    filterset_form = forms.PowerFeedFilterForm
    table = tables.PowerFeedTable


@register_model_view(PowerFeed)
class PowerFeedView(generic.ObjectView):
    queryset = PowerFeed.objects.all()


@register_model_view(PowerFeed, 'add', detail=False)
@register_model_view(PowerFeed, 'edit')
class PowerFeedEditView(generic.ObjectEditView):
    queryset = PowerFeed.objects.all()
    form = forms.PowerFeedForm


@register_model_view(PowerFeed, 'delete')
class PowerFeedDeleteView(generic.ObjectDeleteView):
    queryset = PowerFeed.objects.all()


@register_model_view(PowerFeed, 'bulk_import', detail=False)
class PowerFeedBulkImportView(generic.BulkImportView):
    queryset = PowerFeed.objects.all()
    model_form = forms.PowerFeedImportForm


@register_model_view(PowerFeed, 'bulk_edit', path='edit', detail=False)
class PowerFeedBulkEditView(generic.BulkEditView):
    queryset = PowerFeed.objects.all()
    filterset = filtersets.PowerFeedFilterSet
    table = tables.PowerFeedTable
    form = forms.PowerFeedBulkEditForm


@register_model_view(PowerFeed, 'bulk_disconnect', path='disconnect', detail=False)
class PowerFeedBulkDisconnectView(BulkDisconnectView):
    queryset = PowerFeed.objects.all()


@register_model_view(PowerFeed, 'bulk_delete', path='delete', detail=False)
class PowerFeedBulkDeleteView(generic.BulkDeleteView):
    queryset = PowerFeed.objects.all()
    filterset = filtersets.PowerFeedFilterSet
    table = tables.PowerFeedTable


# Trace view
register_model_view(PowerFeed, 'trace', kwargs={'model': PowerFeed})(PathTraceView)


#
# Virtual device contexts
#

@register_model_view(VirtualDeviceContext, 'list', path='', detail=False)
class VirtualDeviceContextListView(generic.ObjectListView):
    queryset = VirtualDeviceContext.objects.annotate(
        interface_count=count_related(Interface, 'vdcs'),
    )
    filterset = filtersets.VirtualDeviceContextFilterSet
    filterset_form = forms.VirtualDeviceContextFilterForm
    table = tables.VirtualDeviceContextTable


@register_model_view(VirtualDeviceContext)
class VirtualDeviceContextView(GetRelatedModelsMixin, generic.ObjectView):
    queryset = VirtualDeviceContext.objects.all()

    def get_extra_context(self, request, instance):
        return {
            'related_models': self.get_related_models(
                request,
                instance,
                extra=(
                    (Interface.objects.restrict(request.user, 'view').filter(vdcs__in=[instance]), 'vdc_id'),
                ),
            ),
        }


@register_model_view(VirtualDeviceContext, 'add', detail=False)
@register_model_view(VirtualDeviceContext, 'edit')
class VirtualDeviceContextEditView(generic.ObjectEditView):
    queryset = VirtualDeviceContext.objects.all()
    form = forms.VirtualDeviceContextForm


@register_model_view(VirtualDeviceContext, 'delete')
class VirtualDeviceContextDeleteView(generic.ObjectDeleteView):
    queryset = VirtualDeviceContext.objects.all()


@register_model_view(VirtualDeviceContext, 'bulk_import', detail=False)
class VirtualDeviceContextBulkImportView(generic.BulkImportView):
    queryset = VirtualDeviceContext.objects.all()
    model_form = forms.VirtualDeviceContextImportForm


@register_model_view(VirtualDeviceContext, 'bulk_edit', path='edit', detail=False)
class VirtualDeviceContextBulkEditView(generic.BulkEditView):
    queryset = VirtualDeviceContext.objects.all()
    filterset = filtersets.VirtualDeviceContextFilterSet
    table = tables.VirtualDeviceContextTable
    form = forms.VirtualDeviceContextBulkEditForm


@register_model_view(VirtualDeviceContext, 'bulk_delete', path='delete', detail=False)
class VirtualDeviceContextBulkDeleteView(generic.BulkDeleteView):
    queryset = VirtualDeviceContext.objects.all()
    filterset = filtersets.VirtualDeviceContextFilterSet
    table = tables.VirtualDeviceContextTable


#
# MAC addresses
#

@register_model_view(MACAddress, 'list', path='', detail=False)
class MACAddressListView(generic.ObjectListView):
    queryset = MACAddress.objects.all()
    filterset = filtersets.MACAddressFilterSet
    filterset_form = forms.MACAddressFilterForm
    table = tables.MACAddressTable


@register_model_view(MACAddress)
class MACAddressView(generic.ObjectView):
    queryset = MACAddress.objects.all()


@register_model_view(MACAddress, 'add', detail=False)
@register_model_view(MACAddress, 'edit')
class MACAddressEditView(generic.ObjectEditView):
    queryset = MACAddress.objects.all()
    form = forms.MACAddressForm


@register_model_view(MACAddress, 'delete')
class MACAddressDeleteView(generic.ObjectDeleteView):
    queryset = MACAddress.objects.all()


@register_model_view(MACAddress, 'bulk_import', detail=False)
class MACAddressBulkImportView(generic.BulkImportView):
    queryset = MACAddress.objects.all()
    model_form = forms.MACAddressImportForm


@register_model_view(MACAddress, 'bulk_edit', path='edit', detail=False)
class MACAddressBulkEditView(generic.BulkEditView):
    queryset = MACAddress.objects.all()
    filterset = filtersets.MACAddressFilterSet
    table = tables.MACAddressTable
    form = forms.MACAddressBulkEditForm


@register_model_view(MACAddress, 'bulk_delete', path='delete', detail=False)
class MACAddressBulkDeleteView(generic.BulkDeleteView):
    queryset = MACAddress.objects.all()
    filterset = filtersets.MACAddressFilterSet
    table = tables.MACAddressTable