Added error info on login

src/app/pages/login/login.component.ts

@@ -2,6 +2,8 @@ import { Component, OnInit } from '@angular/core';
 import { UDSApiService } from '../../uds-api.service';
 import { Authenticator } from '../../types/config';
 
+declare var django: any;
+
 @Component({
   selector: 'uds-login',
   templateUrl: './login.component.html',
@@ -32,6 +34,11 @@ export class LoginComponent implements OnInit {
     if (this.auths.length > 0) {
       this.auth.value = this.auths[0].id;
     }
+
+    if (this.api.errors.length > 0) {
+      this.api.gui.alert(django.gettext('Errors found'), '<div>' + this.api.errors.join('</div><div>') + '</div>' );
+    }
+
   }
 
   changeAuth(auth) {

src/app/uds-api.service.ts

@@ -47,6 +47,17 @@ export class UDSApiService implements UDSApiServiceType {
     return udsData.actors;
   }
 
+  /**
+   * Actor errors. Empty array it no errors.
+   *
+   * @readonly
+   * @type {string[]}
+   * @memberof UDSApiService
+   */
+  get errors(): string[] {
+    return udsData.errors;
+  }
+
   /* Client enabler */
   enabler(serviceId: string, transportId: string) {
     const enabler = this.config.urls.enabler.replace('param1', serviceId).replace('param2', transportId);