custom_decarator_blog.py

from functools import wraps
import json

from django.http.response import JsonResponse
from django.utils.decorators import available_attrs

def custom_decorator(view_func):
    def wrapped_view(request, *args, **kwargs):
        if request.method == "POST":
            try:
                data = json.loads(request.body.decode('utf-8'))
            except ValueError:
                return JsonResponse({'message': 'Invalid JSON Parameters'})

            token = request_data.get('token', None)
            if not token:
                return JsonResponse({'message': 'Invalid token'})

            kwargs['data'] = data    
            return view_func(request, *args, **kwargs)
        return JsonResponse({'message': 'Invalid request type'})
    return wraps(view_func, assigned=available_attrs(view_func))(wrapped_view)