Preview an order

import com.zuora.model.*;

// Code for client initialization
...

var initialTerm = new InitialTerm().periodType(null).termType(TermType.EVERGREEN);
var terms = new PreviewOrderCreateSubscriptionTerms().initialTerm(initialTerm);
var ratePlanOverride = new PreviewOrderRatePlanOverride().productRatePlanNumber("PRP-00000180");

var previewOrderCreateSubs = new PreviewOrderCreateSubscription()
        .terms(terms)
        .addSubscribeToRatePlansItem(ratePlanOverride);

var subscription = new PreviewOrderSubscriptions()
            .addOrderActionsItem(new PreviewOrderOrderAction()
                    .type(OrderActionType.CREATESUBSCRIPTION)
                    .createSubscription(previewOrderCreateSubs));

var previewOptions = new PreviewOptions()
            .previewThruType(PreviewOptionsPreviewThruType.NUMBEROFPERIODS)
            .previewNumberOfPeriods(1)
            .previewTypes(List.of(PreviewTypesEnum.BILLINGDOCS));

var request = new PreviewOrderRequest()
            .orderDate(LocalDate.now())
            .previewOptions(previewOptions)
            .existingAccountNumber(account.getAccountNumber())
            .addSubscriptionsItem(subscription);

var previewOrderResp = zuoraClient.ordersApi().previewOrderApi(request).execute();
System.out.print(previewOrderResp);

const initialTerm = new InitialTerm();
initialTerm.termType = 'EVERGREEN';
initialTerm.periodType = null;

const terms = new PreviewOrderCreateSubscriptionTerms(initialTerm);

const ratePlanOverride = new PreviewOrderRatePlanOverride();
ratePlanOverride.productRatePlanNumber = 'PRP-00000770';
 
const previewOrderCreateSubs = new PreviewOrderCreateSubscription()
previewOrderCreateSubs.terms = terms;
previewOrderCreateSubs.subscribeToRatePlans = [ratePlanOverride];


const subscription = new PreviewOrderSubscriptionsAsync()
const orderActions = new PreviewOrderOrderAction(CreateSubscription);
orderActions.type = 'CreateSubscription';
orderActions.createSubscription = previewOrderCreateSubs;
subscription.orderActions = [orderActions];


const previewOptions = new PreviewOptions()
previewOptions.previewThruType = 'NumberOfPeriods';
previewOptions.previewNumberOfPeriods = 1;
previewOptions.previewTypes = ['BillingDocs'];

const date = new Date();
date.setFullYear(2024,7,1);
const request = new PreviewOrderRequest(date.toISOString().split('T')[0], previewOptions);

request.existingAccountNumber = 'A00147434'
request.subscriptions = [subscription];

const previewOrderResp = await zuoraClient.ordersApi.previewOrder(request);
console.log(JSON.stringify(previewOrderResp, (k, v) => v ?? undefined, 2));

from datetime import date
from zuora_sdk import CreateOrderRequest, PreviewOrderRequest, PreviewOrderResponse, CreateOrderResponse, CreateOrderSubscription, \
    ProcessingOptionsWithDelayedCapturePayment
...


def preview_order(client=None):
    if not client:
        client = get_client()
    try:
        request = PreviewOrderRequest(
            order_date=date.today().strftime('%Y-%m-%d'),
            existing_account_number='A00000001',
            subscriptions=[{
                'order_actions': [{
                    'type': 'CreateSubscription',
                    'create_subscription': {
                        'terms': {'initial_term': {'term_type': 'EVERGREEN'}},
                        'subscribe_to_rate_plans': [{'product_rate_plan_number': 'PRP-00000151'}]
                    }
                }]
            }],
            preview_options={'preview_thru_type': 'NumberOfPeriods', 'preview_number_of_periods': 1, 'preview_types': ['BillingDocs']}
        )
        api_response: PreviewOrderResponse = client.orders_api().preview_order(request)
        print(api_response.to_json())
    except ApiException as e:
        print("Exception when calling OrdersApi->preview_order: %s\n" % e)
    return None

if __name__ == '__main__':
    preview_order()