Incomplete cable termination causes topology to crash

[MisterSunbro]

Hello there!

It seems to be the problem when trying to display device with existing incomplete cable termination (e.g. when termination A is defined and termination B does not exist)

The complete exception is provided below:

<class 'IndexError'>

list index out of range

Python version: 3.12.3
NetBox version: 4.1.4
Plugins: 
  netbox_reorder_rack: 1.1.3
  nextbox_ui_plugin: 1.0.1

Incomplete cable terminations may arrive when deleting an adjacent interface (or the entire device).

It might be enough to exclude such connections here:

nextbox-ui-plugin/nextbox_ui_plugin/views.py

Lines 432 to 441 in 6c14c90

	for link in links_from_device:
	# Exclude PowerFeed-connected links
	if (isinstance(link.a_terminations[0], PowerFeed) or (isinstance(link.b_terminations[0], PowerFeed))):
	continue
	# Exclude CircuitTermination-connected links
	if (isinstance(link.a_terminations[0], CircuitTermination) or (isinstance(link.b_terminations[0], CircuitTermination))):
	continue
	# Include links to discovered devices only
	if link.b_terminations[0].device_id in device_ids:
	links.append(link)

But there may be a few more places I haven't noticed.

[iDebugAll]

Thank you for pointing out the ways to reproduce the bug. I have already found the fix and tested it in my development environment.