Add rack as filter option to rack elevation

[rodvand]

NetBox version

v3.4.2

Feature type

New functionality

Proposed functionality

In the rack elevation filter section add rack as a multiple input choice field.

Use case

If you want to "compare" single racks to each other. It is possible today with using ?id=x&id=y in the URL but it would be nice to have this feature as a field in the filter section.

Database changes

None

External dependencies

None

[rodvand]

As the id is exposed in the

netbox/netbox/dcim/forms/filtersets.py

Lines 300 to 309 in d7c37d9

	class RackElevationFilterForm(RackFilterForm):
	id = DynamicModelMultipleChoiceField(
	queryset=Rack.objects.all(),
	label=_('Rack'),
	required=False,
	query_params={
	'site_id': '$site_id',
	'location_id': '$location_id',
	}
	)

we can add the functionality by copying the

netbox/netbox/dcim/forms/filtersets.py

Lines 225 to 233 in d7c37d9

	fieldsets = (
	(None, ('q', 'filter_id', 'tag')),
	('Location', ('region_id', 'site_group_id', 'site_id', 'location_id')),
	('Function', ('status', 'role_id')),
	('Hardware', ('type', 'width', 'serial', 'asset_tag')),
	('Tenant', ('tenant_group_id', 'tenant_id')),
	('Contacts', ('contact', 'contact_role', 'contact_group')),
	('Weight', ('weight', 'max_weight', 'weight_unit')),
	)

from RackFilterForm and add id on line

netbox/netbox/dcim/forms/filtersets.py

Line 226 in d7c37d9

(None, ('q', 'filter_id', 'tag')),

as this: (None, ('q', 'filter_id', 'tag', 'id')),

It's not very DRY so if there is any other way of making this more dynamic I'm open for suggestions...

[rodvand]

I haven't run the feature branch to test, but will #11598 cover this FR @jeremystretch ? Having to go from the rack list to elevations isn't a big deal for me.

[github-actions]

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