added custom permission IsCreator

companies/views.py

@@ -2,10 +2,15 @@ from django.shortcuts import render
 
 # Create your views here.
 from rest_framework import viewsets
+from rest_framework.permissions import IsAuthenticatedOrReadOnly
+
 from companies.models import Company
 from companies.serializers import CompanySerializer
 
+from back_latienda.permissions import IsCreator
+
 
 class CompanyViewSet(viewsets.ModelViewSet):
       queryset = Company.objects.all()
       serializer_class = CompanySerializer
+      permission_classes = [IsAuthenticatedOrReadOnly, IsCreator]