ceph/src/pybind/mgr/dashboard/frontend/src/app/core/error/error.component.ts

   1 import { Component, HostListener, OnDestroy, OnInit } from '@angular/core';
   2 import { NavigationEnd, Router, RouterEvent } from '@angular/router';
   3
   4 import { Subscription } from 'rxjs';
   5 import { filter } from 'rxjs/operators';
   6
   7 import { DocService } from '~/app/shared/services/doc.service';
   8
   9 @Component({
  10   selector: 'cd-error',
  11   templateUrl: './error.component.html',
  12   styleUrls: ['./error.component.scss']
  13 })
  14 export class ErrorComponent implements OnDestroy, OnInit {
  15   header: string;
  16   message: string;
  17   section: string;
  18   section_info: string;
  19   icon: string;
  20   docUrl: string;
  21   source: string;
  22   routerSubscription: Subscription;
  23
  24   constructor(private router: Router, private docService: DocService) {}
  25
  26   ngOnInit() {
  27     this.fetchData();
  28     this.routerSubscription = this.router.events
  29       .pipe(filter((event: RouterEvent) => event instanceof NavigationEnd))
  30       .subscribe(() => {
  31         this.fetchData();
  32       });
  33   }
  34
  35   @HostListener('window:beforeunload', ['$event']) unloadHandler(event: Event) {
  36     event.returnValue = false;
  37   }
  38
  39   fetchData() {
  40     try {
  41       this.router.onSameUrlNavigation = 'reload';
  42       this.message = history.state.message;
  43       this.header = history.state.header;
  44       this.section = history.state.section;
  45       this.section_info = history.state.section_info;
  46       this.icon = history.state.icon;
  47       this.source = history.state.source;
  48       this.docUrl = this.docService.urlGenerator(this.section);
  49     } catch (error) {
  50       this.router.navigate(['/error']);
  51     }
  52   }
  53
  54   ngOnDestroy() {
  55     if (this.routerSubscription) {
  56       this.routerSubscription.unsubscribe();
  57     }
  58   }
  59 }