site_tps/settings/views.py

from django.views.generic import TemplateView
from content.models import Category
from .models import ContentSettings, SiteSettings

class SettingsView(TemplateView):
    template_name = "settings/settings.html"
    def get_context_data(self, **kwargs):
        context = super().get_context_data(**kwargs)
        context['categories'] = Category.objects.all()
        context['site_settings'],_ = SiteSettings.objects.get_or_create()
        context['content_settings'],_ = ContentSettings.objects.get_or_create()
        return context