client/src/app/+admin/follows/following-add/following-add.component.ts

   1 import { Component } from '@angular/core'
   2 import { Router } from '@angular/router'
   3 import { NotificationsService } from 'angular2-notifications'
   4 import { ConfirmService } from '../../../core'
   5 import { validateHost } from '../../../shared'
   6 import { FollowService } from '../shared'
   7
   8 @Component({
   9   selector: 'my-following-add',
  10   templateUrl: './following-add.component.html',
  11   styleUrls: [ './following-add.component.scss' ]
  12 })
  13 export class FollowingAddComponent {
  14   hostsString = ''
  15   hostsError: string = null
  16   error: string = null
  17
  18   constructor (
  19     private router: Router,
  20     private notificationsService: NotificationsService,
  21     private confirmService: ConfirmService,
  22     private followService: FollowService
  23   ) {}
  24
  25   httpEnabled () {
  26     return window.location.protocol === 'https:'
  27   }
  28
  29   onHostsChanged () {
  30     this.hostsError = null
  31
  32     const newHostsErrors = []
  33     const hosts = this.getNotEmptyHosts()
  34
  35     for (const host of hosts) {
  36       if (validateHost(host) === false) {
  37         newHostsErrors.push(`${host} is not valid`)
  38       }
  39     }
  40
  41     if (newHostsErrors.length !== 0) {
  42       this.hostsError = newHostsErrors.join('. ')
  43     }
  44   }
  45
  46   async addFollowing () {
  47     this.error = ''
  48
  49     const hosts = this.getNotEmptyHosts()
  50     if (hosts.length === 0) {
  51       this.error = 'You need to specify hosts to follow.'
  52     }
  53
  54     if (!this.isHostsUnique(hosts)) {
  55       this.error = 'Hosts need to be unique.'
  56       return
  57     }
  58
  59     const confirmMessage = 'If you confirm, you will send a follow request to:<br /> - ' + hosts.join('<br /> - ')
  60     const res = await this.confirmService.confirm(confirmMessage, 'Follow new server(s)')
  61     if (res === false) return
  62
  63     this.followService.follow(hosts).subscribe(
  64       () => {
  65         this.notificationsService.success('Success', 'Follow request(s) sent!')
  66
  67         setTimeout(() => this.router.navigate([ '/admin/follows/following-list' ]), 500)
  68       },
  69
  70       err => this.notificationsService.error('Error', err.message)
  71     )
  72   }
  73
  74   private isHostsUnique (hosts: string[]) {
  75     return hosts.every(host => hosts.indexOf(host) === hosts.lastIndexOf(host))
  76   }
  77
  78   private getNotEmptyHosts () {
  79     const hosts = this.hostsString
  80       .split('\n')
  81       .filter(host => host && host.length !== 0) // Eject empty hosts
  82
  83     return hosts
  84   }
  85 }