client/src/app/shared/shared-actor-image/actor-avatar.component.ts

   1 import { Component, Input, OnChanges, OnInit } from '@angular/core'
   2 import { VideoChannel } from '../shared-main'
   3 import { Account } from '../shared-main/account/account.model'
   4
   5 type ActorInput = {
   6   name: string
   7   avatars: { width: number, url?: string, path: string }[]
   8   url: string
   9 }
  10
  11 export type ActorAvatarSize = '18' | '25' | '28' | '32' | '34' | '35' | '36' | '40' | '48' | '75' | '80' | '100' | '120'
  12
  13 @Component({
  14   selector: 'my-actor-avatar',
  15   styleUrls: [ './actor-avatar.component.scss' ],
  16   templateUrl: './actor-avatar.component.html'
  17 })
  18 export class ActorAvatarComponent implements OnInit, OnChanges {
  19   private _title: string
  20
  21   @Input() actor: ActorInput
  22   @Input() actorType: 'channel' | 'account' | 'unlogged'
  23
  24   @Input() previewImage: string
  25
  26   @Input() size: ActorAvatarSize
  27
  28   // Use an external link
  29   @Input() href: string
  30   // Use routerLink
  31   @Input() internalHref: string | any[]
  32
  33   @Input() set title (value) {
  34     this._title = value
  35   }
  36
  37   get title () {
  38     if (this._title) return this._title
  39     if (this.isAccount()) return $localize`${this.actor.name} (account page)`
  40     if (this.isChannel()) return $localize`${this.actor.name} (channel page)`
  41
  42     return ''
  43   }
  44
  45   classes: string[] = []
  46   defaultAvatarUrl: string
  47   avatarUrl: string
  48
  49   ngOnInit () {
  50     this.buildDefaultAvatarUrl()
  51
  52     this.buildAvatarUrl()
  53     this.buildClasses()
  54   }
  55
  56   ngOnChanges () {
  57     this.buildAvatarUrl()
  58     this.buildClasses()
  59   }
  60
  61   private buildClasses () {
  62     this.classes = [ 'avatar' ]
  63
  64     if (this.size) {
  65       this.classes.push(`avatar-${this.size}`)
  66     }
  67
  68     if (this.isChannel()) {
  69       this.classes.push('channel')
  70     } else {
  71       this.classes.push('account')
  72     }
  73
  74     // No avatar, use actor name initial
  75     if (this.displayActorInitial()) {
  76       this.classes.push('initial')
  77       this.classes.push(this.getColorTheme())
  78     }
  79   }
  80
  81   private buildDefaultAvatarUrl () {
  82     this.defaultAvatarUrl = this.isChannel()
  83       ? VideoChannel.GET_DEFAULT_AVATAR_URL(this.getSizeNumber())
  84       : Account.GET_DEFAULT_AVATAR_URL(this.getSizeNumber())
  85   }
  86
  87   private buildAvatarUrl () {
  88     if (!this.actor) {
  89       this.avatarUrl = ''
  90       return
  91     }
  92
  93     if (this.isAccount()) {
  94       this.avatarUrl = Account.GET_ACTOR_AVATAR_URL(this.actor, this.getSizeNumber())
  95       return
  96     }
  97
  98     if (this.isChannel()) {
  99       this.avatarUrl = VideoChannel.GET_ACTOR_AVATAR_URL(this.actor, this.getSizeNumber())
 100       return
 101     }
 102
 103     this.avatarUrl = ''
 104   }
 105
 106   displayImage () {
 107     if (this.actorType === 'unlogged') return true
 108     if (this.previewImage) return true
 109
 110     return !!(this.actor && this.avatarUrl)
 111   }
 112
 113   displayActorInitial () {
 114     return !this.displayImage() && this.actor && !this.avatarUrl
 115   }
 116
 117   displayPlaceholder () {
 118     return this.actorType !== 'unlogged' && !this.actor
 119   }
 120
 121   getActorInitial () {
 122     const name = this.actor?.name
 123     if (!name) return ''
 124
 125     return name.slice(0, 1)
 126   }
 127
 128   private isAccount () {
 129     return this.actorType === 'account'
 130   }
 131
 132   private isChannel () {
 133     return this.actorType === 'channel'
 134   }
 135
 136   private getSizeNumber () {
 137     if (this.size) return +this.size
 138
 139     return undefined
 140   }
 141
 142   private getColorTheme () {
 143     const initialLowercase = this.getActorInitial().toLowerCase()
 144
 145     // Keep consistency with CSS
 146     const themes = {
 147       '0123456789abc': 'blue',
 148       def: 'green',
 149       ghi: 'purple',
 150       jkl: 'gray',
 151       mno: 'yellow',
 152       pqr: 'orange',
 153       stvu: 'red',
 154       wxyz: 'dark-blue'
 155     }
 156
 157     const theme = Object.keys(themes)
 158                         .find(chars => chars.includes(initialLowercase))
 159
 160     return themes[theme] || 'blue'
 161   }
 162 }