Check client if it already exists

Server/api/views.py

@@ -6,11 +6,13 @@ from api.models import *
 
 @api_view(['POST'])
 def client(request):
+    if not Client.objects.get(hostname=request.data['hostname']):
         temp = Client(
             hostname=request.data['hostname']
         )
         temp.save()
         return Response(status=status.HTTP_201_CREATED)
+    return Response(status=status.HTTP_200_OK)
 
 @api_view(['POST'])
 def temperature(request):