12591 config params admin (#12904)

* 12591 initial commit

* 12591 detail view

* 12591 add/edit view

* 12591 edit button

* 12591 base views and forms

* 12591 form cleanup

* 12591 form cleanup

* 12591 form cleanup

* 12591 review changes

* 12591 move check for restrictedqueryset

* 12591 restore view

* 12591 restore page styling

* 12591 remove admin

* Remove edit view for ConfigRevision instances

* Order ConfigRevisions by creation time

* Correct permission name

* Use RestrictedQuerySet for ConfigRevision

* Fix redirect URL

---------

Co-authored-by: Jeremy Stretch <jstretch@netboxlabs.com>

netbox/extras/admin.py

@@ -1,129 +1,2 @@
-from django.contrib import admin
-from django.shortcuts import get_object_or_404, redirect
-from django.template.response import TemplateResponse
-from django.urls import path, reverse
-from django.utils.html import format_html
-
-from netbox.config import get_config, PARAMS
+# TODO: Removing this import triggers an import loop due to how form mixins are currently organized
 from .forms import ConfigRevisionForm
-from .models import ConfigRevision
-
-
-@admin.register(ConfigRevision)
-class ConfigRevisionAdmin(admin.ModelAdmin):
-    fieldsets = [
-        ('Rack Elevations', {
-            'fields': ('RACK_ELEVATION_DEFAULT_UNIT_HEIGHT', 'RACK_ELEVATION_DEFAULT_UNIT_WIDTH'),
-        }),
-        ('Power', {
-            'fields': ('POWERFEED_DEFAULT_VOLTAGE', 'POWERFEED_DEFAULT_AMPERAGE', 'POWERFEED_DEFAULT_MAX_UTILIZATION')
-        }),
-        ('IPAM', {
-            'fields': ('ENFORCE_GLOBAL_UNIQUE', 'PREFER_IPV4'),
-        }),
-        ('Security', {
-            'fields': ('ALLOWED_URL_SCHEMES',),
-        }),
-        ('Banners', {
-            'fields': ('BANNER_LOGIN', 'BANNER_MAINTENANCE', 'BANNER_TOP', 'BANNER_BOTTOM'),
-            'classes': ('monospace',),
-        }),
-        ('Pagination', {
-            'fields': ('PAGINATE_COUNT', 'MAX_PAGE_SIZE'),
-        }),
-        ('Validation', {
-            'fields': ('CUSTOM_VALIDATORS',),
-            'classes': ('monospace',),
-        }),
-        ('User Preferences', {
-            'fields': ('DEFAULT_USER_PREFERENCES',),
-        }),
-        ('Miscellaneous', {
-            'fields': ('MAINTENANCE_MODE', 'GRAPHQL_ENABLED', 'CHANGELOG_RETENTION', 'JOB_RETENTION', 'MAPS_URL'),
-        }),
-        ('Config Revision', {
-            'fields': ('comment',),
-        })
-    ]
-    form = ConfigRevisionForm
-    list_display = ('id', 'is_active', 'created', 'comment', 'restore_link')
-    ordering = ('-id',)
-    readonly_fields = ('data',)
-
-    def get_changeform_initial_data(self, request):
-        """
-        Populate initial form data from the most recent ConfigRevision.
-        """
-        latest_revision = ConfigRevision.objects.last()
-        initial = latest_revision.data if latest_revision else {}
-        initial.update(super().get_changeform_initial_data(request))
-
-        return initial
-
-    # Permissions
-
-    def has_add_permission(self, request):
-        # Only superusers may modify the configuration.
-        return request.user.is_superuser
-
-    def has_change_permission(self, request, obj=None):
-        # ConfigRevisions cannot be modified once created.
-        return False
-
-    def has_delete_permission(self, request, obj=None):
-        # Only inactive ConfigRevisions may be deleted (must be superuser).
-        return request.user.is_superuser and (
-            obj is None or not obj.is_active()
-        )
-
-    # List display methods
-
-    def restore_link(self, obj):
-        if obj.is_active():
-            return ''
-        return format_html(
-            '<a href="{url}" class="button">Restore</a>',
-            url=reverse('admin:extras_configrevision_restore', args=(obj.pk,))
-        )
-    restore_link.short_description = "Actions"
-
-    # URLs
-
-    def get_urls(self):
-        urls = [
-            path('<int:pk>/restore/', self.admin_site.admin_view(self.restore), name='extras_configrevision_restore'),
-        ]
-
-        return urls + super().get_urls()
-
-    # Views
-
-    def restore(self, request, pk):
-        # Get the ConfigRevision being restored
-        candidate_config = get_object_or_404(ConfigRevision, pk=pk)
-
-        if request.method == 'POST':
-            candidate_config.activate()
-            self.message_user(request, f"Restored configuration revision #{pk}")
-
-            return redirect(reverse('admin:extras_configrevision_changelist'))
-
-        # Get the current ConfigRevision
-        config_version = get_config().version
-        current_config = ConfigRevision.objects.filter(pk=config_version).first()
-
-        params = []
-        for param in PARAMS:
-            params.append((
-                param.name,
-                current_config.data.get(param.name, None),
-                candidate_config.data.get(param.name, None)
-            ))
-
-        context = self.admin_site.each_context(request)
-        context.update({
-            'object': candidate_config,
-            'params': params,
-        })
-
-        return TemplateResponse(request, 'admin/extras/configrevision/restore.html', context)