Feature/improve transform data source in request and response interceptor (#5972)

* Resolve data source of GHOSTFOLIO data provider

* Update changelog

CHANGELOG.md

@@ -11,6 +11,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Extended the user detail dialog of the admin control panel’s users section by the authentication method
 
+### Changed
+
+- Resolved the data source of the `GHOSTFOLIO` data provider in the export functionality
+- Resolved the data source of the `GHOSTFOLIO` data provider in the import functionality
+
 ## 2.218.0 - 2025-11-20
 
 ### Added

apps/api/src/app/export/export.controller.ts

@@ -1,5 +1,6 @@
 import { HasPermissionGuard } from '@ghostfolio/api/guards/has-permission.guard';
 import { TransformDataSourceInRequestInterceptor } from '@ghostfolio/api/interceptors/transform-data-source-in-request/transform-data-source-in-request.interceptor';
+import { TransformDataSourceInResponseInterceptor } from '@ghostfolio/api/interceptors/transform-data-source-in-response/transform-data-source-in-response.interceptor';
 import { ApiService } from '@ghostfolio/api/services/api/api.service';
 import { ExportResponse } from '@ghostfolio/common/interfaces';
 import type { RequestWithUser } from '@ghostfolio/common/types';
@@ -28,6 +29,7 @@ export class ExportController {
   @Get()
   @UseGuards(AuthGuard('jwt'), HasPermissionGuard)
   @UseInterceptors(TransformDataSourceInRequestInterceptor)
+  @UseInterceptors(TransformDataSourceInResponseInterceptor)
   public async export(
     @Query('accounts') filterByAccounts?: string,
     @Query('activityIds') filterByActivityIds?: string,

apps/api/src/interceptors/transform-data-source-in-request/transform-data-source-in-request.interceptor.ts

@@ -27,9 +27,23 @@ export class TransformDataSourceInRequestInterceptor<T>
 
     if (this.configurationService.get('ENABLE_FEATURE_SUBSCRIPTION')) {
       if (request.body?.activities) {
+        const dataSourceGhostfolioDataProvider = this.configurationService.get(
+          'DATA_SOURCES_GHOSTFOLIO_DATA_PROVIDER'
+        )?.[0];
+
         request.body.activities = request.body.activities.map((activity) => {
           if (DataSource[activity.dataSource]) {
-            return activity;
+            if (
+              activity.dataSource === 'GHOSTFOLIO' &&
+              dataSourceGhostfolioDataProvider
+            ) {
+              return {
+                ...activity,
+                dataSource: dataSourceGhostfolioDataProvider
+              };
+            } else {
+              return activity;
+            }
           } else {
             return {
               ...activity,

apps/api/src/interceptors/transform-data-source-in-response/transform-data-source-in-response.interceptor.ts

@@ -16,36 +16,56 @@ import { map } from 'rxjs/operators';
 export class TransformDataSourceInResponseInterceptor<T>
   implements NestInterceptor<T, any>
 {
+  private encodedDataSourceMap: {
+    [dataSource: string]: string;
+  } = {};
+
   public constructor(
     private readonly configurationService: ConfigurationService
-  ) {}
+  ) {
+    if (this.configurationService.get('ENABLE_FEATURE_SUBSCRIPTION')) {
+      this.encodedDataSourceMap = Object.keys(DataSource).reduce(
+        (encodedDataSourceMap, dataSource) => {
+          if (!['GHOSTFOLIO', 'MANUAL'].includes(dataSource)) {
+            encodedDataSourceMap[dataSource] = encodeDataSource(
+              DataSource[dataSource]
+            );
+          }
+
+          return encodedDataSourceMap;
+        },
+        {}
+      );
+    }
+  }
 
   public intercept(
-    _context: ExecutionContext,
+    context: ExecutionContext,
     next: CallHandler<T>
   ): Observable<any> {
+    const isExportMode = context.getClass().name === 'ExportController';
+
     return next.handle().pipe(
       map((data: any) => {
         if (this.configurationService.get('ENABLE_FEATURE_SUBSCRIPTION')) {
+          const valueMap = this.encodedDataSourceMap;
+
+          if (isExportMode) {
+            for (const dataSource of this.configurationService.get(
+              'DATA_SOURCES_GHOSTFOLIO_DATA_PROVIDER'
+            )) {
+              valueMap[dataSource] = 'GHOSTFOLIO';
+            }
+          }
+
           data = redactAttributes({
+            object: data,
             options: [
               {
-                attribute: 'dataSource',
-                valueMap: Object.keys(DataSource).reduce(
-                  (valueMap, dataSource) => {
-                    if (!['MANUAL'].includes(dataSource)) {
-                      valueMap[dataSource] = encodeDataSource(
-                        DataSource[dataSource]
-                      );
-                    }
-
-                    return valueMap;
-                  },
-                  {}
-                )
+                valueMap,
+                attribute: 'dataSource'
               }
-            ],
-            object: data
+            ]
           });
         }