تحویل خریدهای مصرفی

import 'package:inappify_sdk/inappify_sdk.dart';

Future<InappifySdkResult<void>> registerAndroidDelivery(
  Future<void> Function(InappifyConsumableDelivery) grantOnce,
) => InappifySdk.setConsumableDeliveryHandler((delivery) async {
  try {
    await grantOnce(delivery); // Durable, scoped, idempotent host transaction.
    return InappifyDeliveryResult.delivered;
  } catch (_) {
    return InappifyDeliveryResult.retryLater;
  }
});

import com.inappify.sdk.*

fun registerDelivery(
    client: InappifyV2Client,
    grantOnce: suspend (InappifyConsumableDelivery) -> Unit,
): InappifyListenerRegistration = client.setConsumableDeliveryHandler { delivery ->
    try {
        grantOnce(delivery) // Commit durable inventory before returning.
        InappifyDeliveryResult.DELIVERED
    } catch (cancelled: kotlinx.coroutines.CancellationException) {
        throw cancelled
    } catch (_: Exception) {
        InappifyDeliveryResult.RETRY_LATER
    }
}

import 'package:inappify_sdk/inappify_sdk.dart';

Future<void> fulfillManually({
  required Future<void> Function(InappifyConsumableDelivery) grantOnce,
  required bool Function() stillSameCustomer,
}) async {
  final result = await InappifySdk.syncPendingConsumables();
  if (!result.isSuccess || !stillSameCustomer()) return;
  for (final delivery in result.data?.pendingDeliveries ??
      <InappifyConsumableDelivery>[]) {
    if (!stillSameCustomer()) return;
    await grantOnce(delivery);
    if (!stillSameCustomer()) return;
    final confirmed = await InappifySdk.confirmDelivery(delivery.deliveryId);
    if (!confirmed.isSuccess) return; // Keep the committed grant; never re-credit.
  }
}

import type { ConsumableDelivery, InAppify } from '@inappifylabs/web-sdk';
import { DeliveryResult } from '@inappifylabs/web-sdk';

export function registerDelivery(
  client: InAppify,
  grantOnce: (delivery: ConsumableDelivery) => Promise<void>,
) {
  return client.setConsumableDeliveryHandler(async (delivery) => {
    try {
      await grantOnce(delivery);
      return DeliveryResult.DELIVERED;
    } catch {
      return DeliveryResult.RETRY_LATER;
    }
  }); // Returns an unregister function.
}

export async function synchronizeDeliveries(client: InAppify) {
  return client.syncPendingConsumables();
}