ConsumerContentActionView.post

    @auth_required(authorization.CREATE)
    @parse_json_body(json_type=dict)
    def post(self, request, consumer_id, action):
        """
       Install/update/uninstall content unit/s on the consumer.

       :param request: WSGI request object
       :type request: django.core.handlers.wsgi.WSGIRequest
       :param consumer_id: A consumer ID.
       :type consumer_id: str
       :param action: type of action to perform
       :type action: str

       :raises MissingResource: if consumer id does not exist
       :raises MissingValue: if some required values are missing
       """

        method = getattr(self, action, None)
        if method:
            try:
                factory.consumer_manager().get_consumer(consumer_id)
            except MissingResource:
                raise MissingResource(consumer_id=consumer_id)
            else:
                body = request.body_as_json
                missing_params = []
                units = body.get('units')
                if units is None:
                    missing_params.append('units')
                elif not isinstance(units, list):
                    raise InvalidValue('Units must be a list of dictionaries')
                options = body.get('options')
                if options is None:
                    missing_params.append('options')

                if missing_params:
                    raise MissingValue(missing_params)
            return method(request, consumer_id, units, options)
        else:
            return HttpResponseBadRequest('bad request')