timezone interceptor service added

npm/ng-packs/packages/core/src/lib/interceptors/index.ts

@@ -1 +1,2 @@
 export * from './api.interceptor';
+export * from './timezone.interceptor';

npm/ng-packs/packages/core/src/lib/interceptors/timezone.interceptor.ts

@@ -0,0 +1,21 @@
+import { inject, Injectable } from '@angular/core';
+import { HttpEvent, HttpHandler, HttpInterceptor, HttpRequest } from '@angular/common/http';
+import { TimezoneService } from '../services';
+import { Observable } from 'rxjs';
+
+@Injectable()
+export class TimezoneInterceptor implements HttpInterceptor {
+  protected readonly timezoneService = inject(TimezoneService);
+
+  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
+    const timezone = this.timezoneService.getTimezone();
+    if (timezone) {
+      req = req.clone({
+        setHeaders: {
+          __timezone: timezone,
+        },
+      });
+    }
+    return next.handle(req);
+  }
+}