fix(provider): fix sonar issues

fix sonar issue

GH-0

Author: Piyush Singh Gaur

src/providers/sdk/chargebee/charge-bee.service.ts

@@ -1,5 +1,5 @@
 /* eslint-disable @typescript-eslint/naming-convention */
-import {randomUUID} from 'crypto';
+import {randomUUID} from 'node:crypto';
 import {inject} from '@loopback/core';
 import chargebee from 'chargebee';
 import {
@@ -21,6 +21,8 @@ import {
 import {ChargeBeeBindings} from './key';
 import {
   ChargeBeeConfig,
+  ChargebeePeriodUnit,
+  ChargebeePricingModel,
   IChargeBeeCustomer,
   IChargeBeeInvoice,
   IChargeBeePaymentSource,
@@ -316,8 +318,8 @@ export class ChargeBeeService implements IChargeBeeService {
       // Strip item_family_id from metadata — it is a top-level Chargebee param,
       // and Chargebee rejects it if it appears inside metadata.
       // eslint-disable-next-line @typescript-eslint/no-unused-vars
-      const {item_family_id: _ignored, ...restMetadata} = (product.metadata ??
-        {}) as Record<string, unknown>;
+      const {item_family_id: _ignored, ...restMetadata} =
+        product.metadata ?? {};
       const hasExtraMetadata = Object.keys(restMetadata).length > 0;
 
       const result = await chargebee.item
@@ -367,17 +369,9 @@ export class ChargeBeeService implements IChargeBeeService {
           currency_code: price.currency.toUpperCase(),
           price: price.unitAmount,
           pricing_model: (this.chargeBeeConfig.defaultPricingModel ??
-            'flat_fee') as
-            | 'flat_fee'
-            | 'per_unit'
-            | 'tiered'
-            | 'volume'
-            | 'stairstep',
+            'flat_fee') as ChargebeePricingModel,
           period_unit: price.recurring?.interval as
-            | 'day'
-            | 'week'
-            | 'month'
-            | 'year'
+            | ChargebeePeriodUnit
             | undefined,
           period: price.recurring?.intervalCount,
           tax_providers_fields: [], // Required by SDK type but can be empty
@@ -585,10 +579,11 @@ export class ChargeBeeService implements IChargeBeeService {
       const result = await chargebee.item.retrieve(productId).request();
       return result.item.status === 'active';
     } catch (error) {
+      const HTTP_NOT_FOUND = 404;
       const cbError = error as {api_error_code?: string; http_status?: number};
       if (
         cbError.api_error_code === 'resource_not_found' ||
-        cbError.http_status === 404
+        cbError.http_status === HTTP_NOT_FOUND
       ) {
         return false;
       }

src/providers/sdk/chargebee/type/chargebee-config.type.ts

@@ -36,3 +36,12 @@ export interface ChargeBeeConfig {
    */
   defaultCancelReasonCode?: string;
 }
+
+export type ChargebeePricingModel =
+  | 'flat_fee'
+  | 'per_unit'
+  | 'tiered'
+  | 'volume'
+  | 'stairstep';
+
+export type ChargebeePeriodUnit = 'day' | 'week' | 'month' | 'year';

src/providers/sdk/stripe/adapter/subscription.adapter.ts

@@ -34,15 +34,11 @@ export class StripeSubscriptionAdapter
    * @param resp - Raw Stripe Subscription returned by the SDK.
    */
   adaptToModel(resp: Stripe.Subscription): TSubscriptionResult {
+    const customerId = this.extractCustomerId(resp.customer);
     return {
       id: resp.id,
       status: resp.status,
-      customerId:
-        typeof resp.customer === 'string'
-          ? resp.customer
-          : resp.customer && 'id' in resp.customer
-            ? resp.customer.id
-            : undefined,
+      customerId,
       currentPeriodStart: resp.current_period_start,
       currentPeriodEnd: resp.current_period_end,
       cancelAtPeriodEnd: resp.cancel_at_period_end,
@@ -66,4 +62,23 @@ export class StripeSubscriptionAdapter
       }),
     };
   }
+
+  /**
+   * Extracts customer ID from Stripe customer field.
+   * Handles string ID, expanded Customer object, and DeletedCustomer edge case.
+   *
+   * @param customer - Stripe customer field (string | Customer | DeletedCustomer)
+   * @returns Customer ID or undefined if customer was deleted
+   */
+  private extractCustomerId(
+    customer: string | Stripe.Customer | Stripe.DeletedCustomer,
+  ): string | undefined {
+    if (typeof customer === 'string') {
+      return customer;
+    }
+    if (customer && 'id' in customer) {
+      return customer.id;
+    }
+    return undefined;
+  }
 }