From f93702f0a19c9a2cc7bff0d99edf8488049af582 Mon Sep 17 00:00:00 2001
From: Arthur <worldnomad@gmail.com>
Date: Tue, 13 Jun 2023 16:14:40 -0700
Subject: [PATCH] 12591 add/edit view

---
 netbox/extras/forms/model_forms.py | 76 ++++++++++++++++++++++++++++++
 netbox/extras/urls.py              |  2 +-
 netbox/extras/views.py             |  7 +++
 3 files changed, 84 insertions(+), 1 deletion(-)

diff --git a/netbox/extras/forms/model_forms.py b/netbox/extras/forms/model_forms.py
index 2f617b682..aaa426ac3 100644
--- a/netbox/extras/forms/model_forms.py
+++ b/netbox/extras/forms/model_forms.py
@@ -10,6 +10,7 @@ from dcim.models import DeviceRole, DeviceType, Location, Platform, Region, Site
 from extras.choices import *
 from extras.models import *
 from extras.utils import FeatureQuery
+from netbox.config import get_config, PARAMS
 from netbox.forms import NetBoxModelForm
 from tenancy.models import Tenant, TenantGroup
 from utilities.forms import BootstrapMixin, add_blank_choice
@@ -21,6 +22,7 @@ from virtualization.models import Cluster, ClusterGroup, ClusterType
 
 __all__ = (
     'ConfigContextForm',
+    'ConfigRevisionForm',
     'ConfigTemplateForm',
     'CustomFieldForm',
     'CustomLinkForm',
@@ -374,3 +376,77 @@ class JournalEntryForm(NetBoxModelForm):
             'assigned_object_type': forms.HiddenInput,
             'assigned_object_id': forms.HiddenInput,
         }
+
+
+EMPTY_VALUES = ('', None, [], ())
+
+
+class FormMetaclass(forms.models.ModelFormMetaclass):
+
+    def __new__(mcs, name, bases, attrs):
+
+        # Emulate a declared field for each supported configuration parameter
+        param_fields = {}
+        for param in PARAMS:
+            field_kwargs = {
+                'required': False,
+                'label': param.label,
+                'help_text': param.description,
+            }
+            field_kwargs.update(**param.field_kwargs)
+            param_fields[param.name] = param.field(**field_kwargs)
+        attrs.update(param_fields)
+
+        return super().__new__(mcs, name, bases, attrs)
+
+
+class ConfigRevisionForm(forms.BaseModelForm, metaclass=FormMetaclass):
+    """
+    Form for creating a new ConfigRevision.
+    """
+    class Meta:
+        widgets = {
+            'comment': forms.Textarea(),
+        }
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        # Append current parameter values to form field help texts and check for static configurations
+        config = get_config()
+        for param in PARAMS:
+            value = getattr(config, param.name)
+            is_static = hasattr(settings, param.name)
+            if value:
+                help_text = self.fields[param.name].help_text
+                if help_text:
+                    help_text += '<br />'  # Line break
+                help_text += f'Current value: <strong>{value}</strong>'
+                if is_static:
+                    help_text += ' (defined statically)'
+                elif value == param.default:
+                    help_text += ' (default)'
+                self.fields[param.name].help_text = help_text
+            if is_static:
+                self.fields[param.name].disabled = True
+
+    def save(self, commit=True):
+        instance = super().save(commit=False)
+
+        # Populate JSON data on the instance
+        instance.data = self.render_json()
+
+        if commit:
+            instance.save()
+
+        return instance
+
+    def render_json(self):
+        json = {}
+
+        # Iterate through each field and populate non-empty values
+        for field_name in self.declared_fields:
+            if field_name in self.cleaned_data and self.cleaned_data[field_name] not in EMPTY_VALUES:
+                json[field_name] = self.cleaned_data[field_name]
+
+        return json
diff --git a/netbox/extras/urls.py b/netbox/extras/urls.py
index 811576b3c..13f8fdf28 100644
--- a/netbox/extras/urls.py
+++ b/netbox/extras/urls.py
@@ -118,5 +118,5 @@ urlpatterns = [
 
     # Config Revision
     path('config-revision/', views.ConfigRevisionView.as_view(), name='config_revision'),
-
+    path('config-revision/add/', views.ConfigRevisionEditView.as_view(), name='config_revision_add'),
 ]
diff --git a/netbox/extras/views.py b/netbox/extras/views.py
index 81bea84f1..842936766 100644
--- a/netbox/extras/views.py
+++ b/netbox/extras/views.py
@@ -1195,6 +1195,7 @@ class RenderMarkdownView(View):
 # Config Revision
 #
 
+@register_model_view(ConfigRevision)
 class ConfigRevisionView(generic.ObjectView):
     queryset = ConfigRevision.objects.all()
 
@@ -1206,3 +1207,9 @@ class ConfigRevisionView(generic.ObjectView):
             'tab': self.tab,
             **self.get_extra_context(request, instance),
         })
+
+
+@register_model_view(ConfigRevision, 'edit')
+class ConfigRevisionEditView(generic.ObjectEditView):
+    queryset = ConfigRevision.objects.all()
+    form = forms.ConfigRevisionForm