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

   1 import { Component, OnInit } from '@angular/core'
   2 import { FormControl, FormGroup } from '@angular/forms'
   3 import { Router } from '@angular/router'
   4
   5 import { NotificationsService } from 'angular2-notifications'
   6
   7 import { ConfirmService } from '../../../core'
   8 import { validateHost } from '../../../shared'
   9 import { FollowService } from '../shared'
  10
  11 @Component({
  12   selector: 'my-following-add',
  13   templateUrl: './following-add.component.html',
  14   styleUrls: [ './following-add.component.scss' ]
  15 })
  16 export class FollowingAddComponent implements OnInit {
  17   form: FormGroup
  18   hosts: string[] = [ ]
  19   error: string = null
  20
  21   constructor (
  22     private router: Router,
  23     private notificationsService: NotificationsService,
  24     private confirmService: ConfirmService,
  25     private followService: FollowService
  26   ) {}
  27
  28   ngOnInit () {
  29     this.form = new FormGroup({})
  30     this.addField()
  31   }
  32
  33   addField () {
  34     this.form.addControl(`host-${this.hosts.length}`, new FormControl('', [ validateHost ]))
  35     this.hosts.push('')
  36   }
  37
  38   canMakeFriends () {
  39     return window.location.protocol === 'https:'
  40   }
  41
  42   customTrackBy (index: number, obj: any): any {
  43     return index
  44   }
  45
  46   displayAddField (index: number) {
  47     return index === (this.hosts.length - 1)
  48   }
  49
  50   displayRemoveField (index: number) {
  51     return (index !== 0 || this.hosts.length > 1) && index !== (this.hosts.length - 1)
  52   }
  53
  54   isFormValid () {
  55     // Do not check the last input
  56     for (let i = 0; i < this.hosts.length - 1; i++) {
  57       if (!this.form.controls[`host-${i}`].valid) return false
  58     }
  59
  60     const lastIndex = this.hosts.length - 1
  61     // If the last input (which is not the first) is empty, it's ok
  62     if (this.hosts[lastIndex] === '' && lastIndex !== 0) {
  63       return true
  64     } else {
  65       return this.form.controls[`host-${lastIndex}`].valid
  66     }
  67   }
  68
  69   removeField (index: number) {
  70     // Remove the last control
  71     this.form.removeControl(`host-${this.hosts.length - 1}`)
  72     this.hosts.splice(index, 1)
  73   }
  74
  75   addFollowing () {
  76     this.error = ''
  77
  78     const notEmptyHosts = this.getNotEmptyHosts()
  79     if (notEmptyHosts.length === 0) {
  80       this.error = 'You need to specify at least 1 host.'
  81       return
  82     }
  83
  84     if (!this.isHostsUnique(notEmptyHosts)) {
  85       this.error = 'Hosts need to be unique.'
  86       return
  87     }
  88
  89     const confirmMessage = 'Are you sure to make friends with:<br /> - ' + notEmptyHosts.join('<br /> - ')
  90     this.confirmService.confirm(confirmMessage, 'Follow new server(s)').subscribe(
  91       res => {
  92         if (res === false) return
  93
  94         this.followService.follow(notEmptyHosts).subscribe(
  95           status => {
  96             this.notificationsService.success('Success', 'Follow request(s) sent!')
  97             this.router.navigate([ '/admin/follows/following-list' ])
  98           },
  99
 100           err => this.notificationsService.error('Error', err.message)
 101         )
 102       }
 103     )
 104   }
 105
 106   private getNotEmptyHosts () {
 107     const notEmptyHosts = []
 108
 109     Object.keys(this.form.value).forEach((hostKey) => {
 110       const host = this.form.value[hostKey]
 111       if (host !== '') notEmptyHosts.push(host)
 112     })
 113
 114     return notEmptyHosts
 115   }
 116
 117   private isHostsUnique (hosts: string[]) {
 118     return hosts.every(host => hosts.indexOf(host) === hosts.lastIndexOf(host))
 119   }
 120 }