Fix TaxService.previewTaxAmountForOrganizationTrial return type (#15848)

Author: amorask-bitwarden

apps/web/src/app/billing/accounts/trial-initiation/trial-billing-step.component.ts

@@ -304,6 +304,7 @@ export class TrialBillingStepComponent implements OnInit, OnDestroy {
     this.fetchingTaxAmount = true;
 
     if (!this.taxInfoComponent.validate()) {
+      this.fetchingTaxAmount = false;
       return 0;
     }
 
@@ -326,7 +327,7 @@ export class TrialBillingStepComponent implements OnInit, OnDestroy {
 
     const response = await this.taxService.previewTaxAmountForOrganizationTrial(request);
     this.fetchingTaxAmount = false;
-    return response.taxAmount;
+    return response;
   };
 
   get price() {

libs/common/src/billing/abstractions/tax.service.abstraction.ts

@@ -3,7 +3,6 @@ import { PreviewIndividualInvoiceRequest } from "../models/request/preview-indiv
 import { PreviewOrganizationInvoiceRequest } from "../models/request/preview-organization-invoice.request";
 import { PreviewTaxAmountForOrganizationTrialRequest } from "../models/request/tax";
 import { PreviewInvoiceResponse } from "../models/response/preview-invoice.response";
-import { PreviewTaxAmountResponse } from "../models/response/tax";
 
 export abstract class TaxServiceAbstraction {
   abstract getCountries(): CountryListItem[];
@@ -20,5 +19,5 @@ export abstract class TaxServiceAbstraction {
 
   abstract previewTaxAmountForOrganizationTrial: (
     request: PreviewTaxAmountForOrganizationTrialRequest,
-  ) => Promise<PreviewTaxAmountResponse>;
+  ) => Promise<number>;
 }

libs/common/src/billing/services/tax.service.ts

@@ -1,5 +1,4 @@
 import { PreviewTaxAmountForOrganizationTrialRequest } from "@bitwarden/common/billing/models/request/tax";
-import { PreviewTaxAmountResponse } from "@bitwarden/common/billing/models/response/tax";
 
 import { ApiService } from "../../abstractions/api.service";
 import { TaxServiceAbstraction } from "../abstractions/tax.service.abstraction";
@@ -306,13 +305,14 @@ export class TaxService implements TaxServiceAbstraction {
 
   async previewTaxAmountForOrganizationTrial(
     request: PreviewTaxAmountForOrganizationTrialRequest,
-  ): Promise<PreviewTaxAmountResponse> {
-    return await this.apiService.send(
+  ): Promise<number> {
+    const response = await this.apiService.send(
       "POST",
       "/tax/preview-amount/organization-trial",
       request,
       true,
       true,
     );
+    return response as number;
   }
 }