refactor!: set up the login page as a starting page (DSP-1292) (#370)

* refactor(login): set login page as the landing page + redirect to the dashboard

* refactor(login): remove argument

* doc(login): add comment

* refactor(login): reverse previous change in html

* refactor(login): refactor refresh method + clean up

Co-authored-by: flaurens <flavie.laurens@unibas.ch>

src/app/app-routing.module.ts

@@ -32,7 +32,8 @@ import { UsersComponent } from './system/users/users.component';
 const routes: Routes = [
     {
         path: '',
-        component: MainComponent
+        component: LoginComponent
+        // component: MainComponent
     },
     {
         path: 'help',

src/app/main/login/login.component.ts

@@ -1,36 +1,36 @@
-import { Component, OnInit } from '@angular/core';
+import { Component } from '@angular/core';
 import { Title } from '@angular/platform-browser';
 import { ActivatedRoute, Router } from '@angular/router';
+import { SessionService } from '@dasch-swiss/dsp-ui';
 import { ComponentCommunicationEventService, EmitEvent, Events } from 'src/app/main/services/component-communication-event.service';
 
 @Component({
     selector: 'app-login',
     templateUrl: './login.component.html',
     styleUrls: ['./login.component.scss']
 })
-export class LoginComponent implements OnInit {
+export class LoginComponent {
 
     returnUrl: string;
 
     constructor (private _titleService: Title,
         private _route: ActivatedRoute,
         private _router: Router,
+        private _session: SessionService,
         private _componentCommsService: ComponentCommunicationEventService) {
 
         // set the page title
         this._titleService.setTitle('Login');
 
-        this.returnUrl = this._route.snapshot.queryParams['returnUrl'] || '/';
-    }
-
-    ngOnInit() {
+        // this.returnUrl = this._route.snapshot.queryParams['returnUrl'] || '/';
     }
 
     refresh(status: boolean) {
 
-        // go to previous route:
-        if (status) {
-            this._router.navigate([this.returnUrl]);
+        // go to the dashboard:
+        if (status && this._session.getSession()) {
+            this._router.navigate(['dashboard']);
+            // go to the previous route: this._router.navigate([this.returnUrl]);
             this._componentCommsService.emit(new EmitEvent(Events.LoginSuccess, true));
         }
     }