add a dice rolling API view to the django app

This commit is contained in:
Brian S. Stephan 2019-06-21 18:07:10 -05:00
parent f78d407d4c
commit 8fcc8365e3
3 changed files with 45 additions and 0 deletions

8
dice/urls.py Normal file
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@ -0,0 +1,8 @@
"""URL patterns for the dice views."""
from django.urls import path
from dice.views import rpc_roll_dice
urlpatterns = [
path('rpc/roll/', rpc_roll_dice, name='dice_rpc_roll_dice'),
]

36
dice/views.py Normal file
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@ -0,0 +1,36 @@
"""Views for rolling dice."""
import json
import logging
from rest_framework.authentication import BasicAuthentication
from rest_framework.permissions import IsAuthenticated
from rest_framework.response import Response
from rest_framework.decorators import api_view, authentication_classes, permission_classes
from dice.roller import DiceRoller
logger = logging.getLogger(__name__)
roller = DiceRoller()
@api_view(['POST'])
@authentication_classes((BasicAuthentication, ))
@permission_classes((IsAuthenticated, ))
def rpc_roll_dice(request):
"""Get a dice string from the client, roll the dice, and give the result."""
if request.method != 'POST':
return Response({'detail': "Supported method: POST."}, status=405)
try:
roll_data = json.loads(request.body)
dice_str = roll_data['dice']
except (json.decoder.JSONDecodeError, KeyError):
return Response({'detail': "Request must be JSON with a 'dice' parameter."}, status=400)
try:
result_str = roller.do_roll(dice_str)
return Response({'dice': dice_str, 'result': result_str})
except AssertionError as aex:
return Response({'detail': f"Could not roll dice: {aex}"}, status=400)
except ValueError:
return Response({'detail': f"Could not parse requested dice '{dice_str}'."}, status=400)

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@ -13,6 +13,7 @@ admin.autodiscover()
urlpatterns = [
url(r'^$', TemplateView.as_view(template_name='index.html'), name='home'),
url(r'^dice/', include('dice.urls')),
url(r'^dispatch/', include('dispatch.urls')),
url(r'^itemsets/', include('facts.urls')),
url(r'^karma/', include('karma.urls')),