text: from django.http import HttpResponse
  from django.shortcuts import redirect
  from django.urls import reverse
  from django.views import View
  from django.views.generic import TemplateView
  
  from .scoring import Scoreboard
  
  
  class IncreaseScore(View):
      def post(self, request, sbid, pid, amount):
          sb = Scoreboard(sbid)
          sb[pid] + amount
          return HttpResponse()
  
  
  class DecreaseScore(View):
      def post(self, request, sbid, pid, amount):
          sb = Scoreboard(sbid)
          sb[pid] - amount
          return HttpResponse()
  
  
  class Reset(View):
      def post(self, request, sbid):
          sb = Scoreboard(sbid)
          sb.reset()
          return HttpResponse()
  
  
  class Home(TemplateView):
      template_name = 'score/home.html'
  
      def get_context_data(self, **kwargs):
          scoreboard = Scoreboard()
          return {
              'js_vars': {
                  'ws_url': reverse('websocket', args=(scoreboard.sbid,), urlconf='score.routing'),
              },
              'sb': scoreboard,
              'step': 5,
              **super().get_context_data(**kwargs),
          }
  