import { Component, ElementRef, OnDestroy, OnInit, ViewChild } from '@angular/core'
import { ActivatedRoute, Router } from '@angular/router'
import { MetaService } from '@ngx-meta/core'
import { NotificationsService } from 'angular2-notifications'
import { VideoService } from 'app/shared/video/video.service'
import { Observable } from 'rxjs/Observable'
import { Subscription } from 'rxjs/Subscription'
import videojs from 'video.js'
import { UserVideoRateType, VideoRateType } from '../../../../../shared'
import '../../../assets/player/peertube-videojs-plugin'
import { AuthService, ConfirmService } from '../../core'
import { VideoBlacklistService } from '../../shared'
import { Account } from '../../shared/account/account.model'
import { Video } from '../../shared/video/video.model'
import { MarkdownService } from '../shared'
import { VideoDownloadComponent } from './video-download.component'
import { VideoReportComponent } from './video-report.component'
import { VideoShareComponent } from './video-share.component'
import { VideoDetails } from '../../shared/video/video-details.model'
@Component({
selector: 'my-video-watch',
templateUrl: './video-watch.component.html',
styleUrls: [ './video-watch.component.scss' ]
})
export class VideoWatchComponent implements OnInit, OnDestroy {
@ViewChild('videoDownloadModal') videoDownloadModal: VideoDownloadComponent
@ViewChild('videoShareModal') videoShareModal: VideoShareComponent
@ViewChild('videoReportModal') videoReportModal: VideoReportComponent
otherVideos: Video[] = []
error = false
loading = false
player: videojs.Player
playerElement: HTMLMediaElement
userRating: UserVideoRateType = null
video: VideoDetails = null
videoPlayerLoaded = false
videoNotFound = false
descriptionLoading = false
completeDescriptionShown = false
completeVideoDescription: string
shortVideoDescription: string
videoHTMLDescription = ''
private paramsSub: Subscription
constructor (
private elementRef: ElementRef,
private route: ActivatedRoute,
private router: Router,
private videoService: VideoService,
private videoBlacklistService: VideoBlacklistService,
private confirmService: ConfirmService,
private metaService: MetaService,
private authService: AuthService,
private notificationsService: NotificationsService,
private markdownService: MarkdownService
) {}
ngOnInit () {
this.videoService.getVideos({ currentPage: 1, itemsPerPage: 5 }, '-createdAt')
.subscribe(
data => this.otherVideos = data.videos,
err => console.error(err)
)
this.paramsSub = this.route.params.subscribe(routeParams => {
let uuid = routeParams['uuid']
this.videoService.getVideo(uuid).subscribe(
video => this.onVideoFetched(video),
error => {
this.videoNotFound = true
console.error(error)
}
)
})
}
ngOnDestroy () {
// Remove player if it exists
if (this.videoPlayerLoaded === true) {
videojs(this.playerElement).dispose()
}
// Unsubscribe subscriptions
this.paramsSub.unsubscribe()
}
setLike () {
if (this.isUserLoggedIn() === false) return
// Already liked this video
if (this.userRating === 'like') return
this.videoService.setVideoLike(this.video.id)
.subscribe(
() => {
// Update the video like attribute
this.updateVideoRating(this.userRating, 'like')
this.userRating = 'like'
},
err => this.notificationsService.error('Error', err.message)
)
}
setDislike () {
if (this.isUserLoggedIn() === false) return
// Already disliked this video
if (this.userRating === 'dislike') return
this.videoService.setVideoDislike(this.video.id)
.subscribe(
() => {
// Update the video dislike attribute
this.updateVideoRating(this.userRating, 'dislike')
this.userRating = 'dislike'
},
err => this.notificationsService.error('Error', err.message)
)
}
blacklistVideo (event: Event) {
event.preventDefault()
this.confirmService.confirm('Do you really want to blacklist this video ?', 'Blacklist').subscribe(
res => {
if (res === false) return
this.videoBlacklistService.blacklistVideo(this.video.id)
.subscribe(
status => {
this.notificationsService.success('Success', `Video ${this.video.name} had been blacklisted.`)
this.router.navigate(['/videos/list'])
},
error => this.notificationsService.error('Error', error.text)
)
}
)
}
showMoreDescription () {
if (this.completeVideoDescription === undefined) {
return this.loadCompleteDescription()
}
this.updateVideoDescription(this.completeVideoDescription)
this.completeDescriptionShown = true
}
showLessDescription () {
this.updateVideoDescription(this.shortVideoDescription)
this.completeDescriptionShown = false
}
loadCompleteDescription () {
this.descriptionLoading = true
this.videoService.loadCompleteDescription(this.video.descriptionPath)
.subscribe(
description => {
this.completeDescriptionShown = true
this.descriptionLoading = false
this.shortVideoDescription = this.video.description
this.completeVideoDescription = description
this.updateVideoDescription(this.completeVideoDescription)
},
error => {
this.descriptionLoading = false
this.notificationsService.error('Error', error.text)
}
)
}
showReportModal (event: Event) {
event.preventDefault()
this.videoReportModal.show()
}
showShareModal () {
this.videoShareModal.show()
}
showDownloadModal (event: Event) {
event.preventDefault()
this.videoDownloadModal.show()
}
isUserLoggedIn () {
return this.authService.isLoggedIn()
}
canUserUpdateVideo () {
return this.video.isUpdatableBy(this.authService.getUser())
}
isVideoRemovable () {
return this.video.isRemovableBy(this.authService.getUser())
}
isVideoBlacklistable () {
return this.video.isBlackistableBy(this.authService.getUser())
}
getAvatarPath () {
return Account.GET_ACCOUNT_AVATAR_PATH(this.video.account)
}
getVideoTags () {
if (!this.video || Array.isArray(this.video.tags) === false) return []
return this.video.tags.join(', ')
}
private updateVideoDescription (description: string) {
this.video.description = description
this.setVideoDescriptionHTML()
}
private setVideoDescriptionHTML () {
this.videoHTMLDescription = this.markdownService.markdownToHTML(this.video.description)
}
private handleError (err: any) {
const errorMessage: string = typeof err === 'string' ? err : err.message
let message = ''
if (errorMessage.indexOf('http error') !== -1) {
message = 'Cannot fetch video from server, maybe down.'
} else {
message = errorMessage
}
this.notificationsService.error('Error', message)
}
private checkUserRating () {
// Unlogged users do not have ratings
if (this.isUserLoggedIn() === false) return
this.videoService.getUserVideoRating(this.video.id)
.subscribe(
ratingObject => {
if (ratingObject) {
this.userRating = ratingObject.rating
}
},
err => this.notificationsService.error('Error', err.message)
)
}
private onVideoFetched (video: VideoDetails) {
this.video = video
let observable
if (this.video.isVideoNSFWForUser(this.authService.getUser())) {
observable = this.confirmService.confirm(
'This video contains mature or explicit content. Are you sure you want to watch it?',
'Mature or explicit content'
)
} else {
observable = Observable.of(true)
}
observable.subscribe(
res => {
if (res === false) {
return this.router.navigate([ '/videos/list' ])
}
this.playerElement = this.elementRef.nativeElement.querySelector('#video-element')
const videojsOptions = {
controls: true,
autoplay: true,
plugins: {
peertube: {
videoFiles: this.video.files,
playerElement: this.playerElement,
autoplay: true,
peerTubeLink: false
}
}
}
this.videoPlayerLoaded = true
const self = this
videojs(this.playerElement, videojsOptions, function () {
self.player = this
this.on('customError', (event, data) => {
self.handleError(data.err)
})
})
this.setVideoDescriptionHTML()
this.setOpenGraphTags()
this.checkUserRating()
this.prepareViewAdd()
}
)
}
private updateVideoRating (oldRating: UserVideoRateType, newRating: VideoRateType) {
let likesToIncrement = 0
let dislikesToIncrement = 0
if (oldRating) {
if (oldRating === 'like') likesToIncrement--
if (oldRating === 'dislike') dislikesToIncrement--
}
if (newRating === 'like') likesToIncrement++
if (newRating === 'dislike') dislikesToIncrement++
this.video.likes += likesToIncrement
this.video.dislikes += dislikesToIncrement
}
private setOpenGraphTags () {
this.metaService.setTitle(this.video.name)
this.metaService.setTag('og:type', 'video')
this.metaService.setTag('og:title', this.video.name)
this.metaService.setTag('name', this.video.name)
this.metaService.setTag('og:description', this.video.description)
this.metaService.setTag('description', this.video.description)
this.metaService.setTag('og:image', this.video.previewPath)
this.metaService.setTag('og:duration', this.video.duration.toString())
this.metaService.setTag('og:site_name', 'PeerTube')
this.metaService.setTag('og:url', window.location.href)
this.metaService.setTag('url', window.location.href)
}
private prepareViewAdd () {
// After 30 seconds (or 3/4 of the video), increment add a view
let viewTimeoutSeconds = 30
if (this.video.duration < viewTimeoutSeconds) viewTimeoutSeconds = (this.video.duration * 3) / 4
setTimeout(() => {
this.videoService
.viewVideo(this.video.uuid)
.subscribe()
}, viewTimeoutSeconds * 1000)
}
}