B2B-88: add starter kit structure and elements

packages/billing/gateway/src/server/services/billing-webhooks/billing-webhooks.service.ts

@@ -0,0 +1,37 @@
+import 'server-only';
+
+import { Tables } from '@kit/supabase/database';
+
+import { createBillingGatewayService } from '../billing-gateway/billing-gateway.service';
+
+type Subscription = Tables<'subscriptions'>;
+
+export function createBillingWebhooksService() {
+  return new BillingWebhooksService();
+}
+
+/**
+ * @name BillingWebhooksService
+ * @description Service for handling billing webhooks.
+ */
+class BillingWebhooksService {
+  /**
+   * @name handleSubscriptionDeletedWebhook
+   * @description Handles the webhook for when a subscription is deleted.
+   * @param subscription
+   */
+  async handleSubscriptionDeletedWebhook(subscription: Subscription) {
+    const gateway = createBillingGatewayService(subscription.billing_provider);
+
+    const subscriptionData = await gateway.getSubscription(subscription.id);
+    const isCanceled = subscriptionData.status === 'canceled';
+
+    if (isCanceled) {
+      return;
+    }
+
+    return gateway.cancelSubscription({
+      subscriptionId: subscription.id,
+    });
+  }
+}