Initial work on #5883

netbox/extras/admin.py

@@ -1,10 +1,74 @@
 from django.contrib import admin
 
-from .models import JobResult
+from .forms import ConfigRevisionForm
+from .models import ConfigRevision, JobResult
+
+
+@admin.register(ConfigRevision)
+class ConfigRevisionAdmin(admin.ModelAdmin):
+    fieldsets = [
+        # ('Authentication', {
+        #     'fields': ('LOGIN_REQUIRED', 'LOGIN_PERSISTENCE', 'LOGIN_TIMEOUT'),
+        # }),
+        # ('Rack Elevations', {
+        #     'fields': ('RACK_ELEVATION_DEFAULT_UNIT_HEIGHT', 'RACK_ELEVATION_DEFAULT_UNIT_WIDTH'),
+        # }),
+        ('IPAM', {
+            'fields': ('ENFORCE_GLOBAL_UNIQUE', 'PREFER_IPV4'),
+        }),
+        # ('Security', {
+        #     'fields': (
+        #         'ALLOWED_URL_SCHEMES', 'EXEMPT_VIEW_PERMISSIONS',
+        #     ),
+        # }),
+        ('Banners', {
+            'fields': ('BANNER_LOGIN', 'BANNER_TOP', 'BANNER_BOTTOM'),
+        }),
+        # ('Logging', {
+        #     'fields': ('CHANGELOG_RETENTION',),
+        # }),
+        # ('Pagination', {
+        #     'fields': ('MAX_PAGE_SIZE', 'PAGINATE_COUNT'),
+        # }),
+        # ('Miscellaneous', {
+        #     'fields': ('GRAPHQL_ENABLED', 'METRICS_ENABLED', 'MAINTENANCE_MODE', 'MAPS_URL'),
+        # }),
+        ('Config Revision', {
+            'fields': ('comment',),
+        })
+    ]
+    form = ConfigRevisionForm
+    list_display = ('id', 'is_active', 'created', 'comment')
+    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
+
+    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()
+        )
 
 
 #
-# Reports
+# Reports & scripts
 #
 
 @admin.register(JobResult)