Move utilities.utils.get_viewname() to utilities.views

netbox/utilities/views.py

@@ -4,6 +4,7 @@ from django.urls import reverse
 from django.urls.exceptions import NoReverseMatch
 from django.utils.translation import gettext_lazy as _
 
+from netbox.plugins import PluginConfig
 from netbox.registry import registry
 from .permissions import resolve_permission
 
@@ -12,6 +13,7 @@ __all__ = (
     'GetReturnURLMixin',
     'ObjectPermissionRequiredMixin',
     'ViewTab',
+    'get_viewname',
     'register_model_view',
 )
 
@@ -180,6 +182,39 @@ class ViewTab:
         return self.badge
 
 
+#
+# Utility functions
+#
+
+def get_viewname(model, action=None, rest_api=False):
+    """
+    Return the view name for the given model and action, if valid.
+
+    :param model: The model or instance to which the view applies
+    :param action: A string indicating the desired action (if any); e.g. "add" or "list"
+    :param rest_api: A boolean indicating whether this is a REST API view
+    """
+    is_plugin = isinstance(model._meta.app_config, PluginConfig)
+    app_label = model._meta.app_label
+    model_name = model._meta.model_name
+
+    if rest_api:
+        viewname = f'{app_label}-api:{model_name}'
+        if is_plugin:
+            viewname = f'plugins-api:{viewname}'
+        if action:
+            viewname = f'{viewname}-{action}'
+
+    else:
+        viewname = f'{app_label}:{model_name}'
+        if is_plugin:
+            viewname = f'plugins:{viewname}'
+        if action:
+            viewname = f'{viewname}_{action}'
+
+    return viewname
+
+
 def register_model_view(model, name='', path=None, kwargs=None):
     """
     This decorator can be used to "attach" a view to any model in NetBox. This is typically used to inject