fix(cb2-8973): move to resolver approach

src/app/features/test-records/components/vehicle-header/vehicle-header.component.ts

@@ -1,4 +1,5 @@
 import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+import { ActivatedRoute } from '@angular/router';
 import { TestTypesTaxonomy } from '@api/test-types';
 import { TechRecordType } from '@dvsa/cvs-type-definitions/types/v3/tech-record/tech-record-vehicle-type';
 import { TEST_TYPES_GROUP7 } from '@forms/models/testTypeId.enum';
@@ -8,7 +9,6 @@ import { TestResultModel } from '@models/test-results/test-result.model';
 import { TestType, resultOfTestEnum } from '@models/test-types/test-type.model';
 import { V3TechRecordModel, VehicleTypes } from '@models/vehicle-tech-record.model';
 import { Store } from '@ngrx/store';
-import { TechnicalRecordService } from '@services/technical-record/technical-record.service';
 import { TestTypesService } from '@services/test-types/test-types.service';
 import { TagType, TagTypes } from '@shared/components/tag/tag.component';
 import { techRecord } from '@store/technical-records';
@@ -28,8 +28,8 @@ export class VehicleHeaderComponent {
 
 	constructor(
 		private testTypesService: TestTypesService,
-		private techRecordService: TechnicalRecordService,
-		private store: Store
+		private store: Store,
+		private activatedRoute: ActivatedRoute
 	) {}
 
 	get test(): TestType | undefined {
@@ -78,7 +78,7 @@ export class VehicleHeaderComponent {
 	}
 
 	get testCode(): string | undefined {
-		const testCode = this.testResult?.testTypes[0].testCode;
+		const testCode = this.testResult?.testTypes[0].testCode || this.activatedRoute.snapshot?.data?.['testCode'];
 		return testCode ? `(${testCode})` : '';
 	}
 

src/app/features/test-records/create/create-test-records-routing.module.ts

@@ -10,6 +10,7 @@ import { TestRecordCreateRoutes } from '@models/routes.enum';
 import { contingencyTestResolver } from 'src/app/resolvers/contingency-test/contingency-test.resolver';
 import { defectsTaxonomyResolver } from 'src/app/resolvers/defects-taxonomy/defects-taxonomy.resolver';
 import { requiredStandardsResolver } from 'src/app/resolvers/required-standards/required-standards.resolver';
+import { testCodeResolver } from 'src/app/resolvers/test-code/test-code.resolver';
 import { testStationsResolver } from 'src/app/resolvers/test-stations/test-stations.resolver';
 import { testTypeTaxonomyResolver } from 'src/app/resolvers/test-type-taxonomy/test-type-taxonomy.resolver';
 import { CreateTestRecordComponent } from './views/create-test-record/create-test-record.component';
@@ -38,6 +39,7 @@ const routes: Routes = [
 					TestTypeTaxonomy: testTypeTaxonomyResolver,
 					defectTaxonomy: defectsTaxonomyResolver,
 					testStations: testStationsResolver,
+					testCode: testCodeResolver,
 				},
 				data: { title: 'Test details', roles: Roles.TestResultCreateContingency, breadcrumbPreserveQueryParams: true },
 				canActivate: [RoleGuard],

src/app/resolvers/test-code/test-code.resolver.ts

@@ -0,0 +1,33 @@
+import { inject } from '@angular/core';
+import { ResolveFn } from '@angular/router';
+import { TestTypesService } from '@api/test-types';
+import { Store, select } from '@ngrx/store';
+import { TechnicalRecordService } from '@services/technical-record/technical-record.service';
+import { techRecord } from '@store/technical-records';
+import { Observable, map, switchMap } from 'rxjs';
+
+export const testCodeResolver: ResolveFn<Observable<string | undefined>> = (route) => {
+	const store = inject(Store);
+	const testTypesService = inject(TestTypesService);
+	const techRecordService = inject(TechnicalRecordService);
+	const testTypeId: string | undefined = route.queryParams['testType'];
+
+	// fetch test code from back-end (because its not provided by reference data)
+	return store.pipe(
+		select(techRecord),
+		switchMap((record) => {
+			return testTypesService.getTestTypesid(
+				String(testTypeId),
+				['defaultTestCode'],
+				record!.techRecord_vehicleType,
+				techRecordService.getVehicleSize(record!) as string,
+				record!.techRecord_vehicleConfiguration!,
+				record!.techRecord_noOfAxles!,
+				record!.techRecord_euVehicleCategory!,
+				techRecordService.getVehicleClassDescription(record!) as string,
+				techRecordService.getVehicleSubClass(record!)?.[0] as string
+			);
+		}),
+		map((response) => response.defaultTestCode)
+	);
+};

src/app/resolvers/test-result/test-result.resolver.ts

@@ -20,8 +20,6 @@ export const testResultResolver: ResolveFn<boolean> = () => {
 	return action$.pipe(
 		ofType(fetchSelectedTestResultSuccess, fetchSelectedTestResultFailed),
 		take(1),
-		map((action) => {
-			return action.type === fetchSelectedTestResultSuccess.type;
-		})
+		map((action) => action.type === fetchSelectedTestResultSuccess.type)
 	);
 };

src/app/services/technical-record/technical-record.service.ts

@@ -387,4 +387,23 @@ export class TechnicalRecordService {
 
 		return false;
 	}
+
+	getVehicleSize(techRecord: V3TechRecordModel) {
+		return techRecord.techRecord_vehicleType === 'psv' ? techRecord.techRecord_vehicleSize : undefined;
+	}
+
+	getVehicleClassDescription(techRecord: V3TechRecordModel) {
+		return techRecord.techRecord_vehicleType === 'psv' ||
+			techRecord.techRecord_vehicleType === 'hgv' ||
+			techRecord.techRecord_vehicleType === 'trl' ||
+			techRecord.techRecord_vehicleType === 'motorcycle'
+			? techRecord.techRecord_vehicleClass_description
+			: undefined;
+	}
+
+	getVehicleSubClass(techRecord: V3TechRecordModel) {
+		return techRecord.techRecord_vehicleType === 'car' || techRecord.techRecord_vehicleType === 'lgv'
+			? techRecord.techRecord_vehicleSubclass
+			: undefined;
+	}
 }

src/app/store/test-records/effects/test-records.effects.ts

@@ -280,22 +280,7 @@ export class TestResultsEffects {
 					take(1)
 				)
 			),
-			switchMap(([action, editedTestResult, testType, testStation, user]) => {
-				return this.testTypesService
-					.getTestTypesid(
-						String(testType?.id),
-						['defaultTestCode'],
-						editedTestResult!.vehicleType,
-						editedTestResult!.vehicleSize,
-						editedTestResult!.vehicleConfiguration!,
-						editedTestResult!.noOfAxles,
-						editedTestResult!.euVehicleCategory!,
-						String(editedTestResult!.vehicleClass!),
-						String(editedTestResult!.vehicleSubclass!)
-					)
-					.pipe(map((res) => [action, editedTestResult, testType, testStation, user, res.defaultTestCode] as const));
-			}),
-			concatMap(([action, editedTestResult, testTypeTaxonomy, testStation, user, testCode]) => {
+			concatMap(([action, editedTestResult, testTypeTaxonomy, testStation, user]) => {
 				const id = action.testType;
 
 				const vehicleType = editedTestResult?.vehicleType;
@@ -326,7 +311,6 @@ export class TestResultsEffects {
 				});
 
 				mergedForms.testTypes[0].testTypeId = id;
-				mergedForms.testTypes[0].testCode = String(testCode);
 				mergedForms.testTypes[0].name = testTypeTaxonomy?.name ?? '';
 				mergedForms.testTypes[0].testTypeName = testTypeTaxonomy?.testTypeName ?? '';
 				mergedForms.typeOfTest = (testTypeTaxonomy?.typeOfTest as TypeOfTest) ?? TypeOfTest.CONTINGENCY;

src/app/store/test-records/reducers/test-records.reducer.ts

@@ -180,9 +180,6 @@ function cleanTestResultPayload(testResult: TestResultModel | undefined) {
 	}
 
 	const testTypes = testResult.testTypes.map((testType, index) => {
-		// Always remove testCode
-		delete testType.testCode;
-
 		// Remove empty requiredStandards from pass/prs non-voluntary IVA/MVSA tests
 		if (index === 0) {
 			const { testTypeId, requiredStandards } = testType;