1 import { Subject, Subscription } from 'rxjs'
2 import { CdkDragDrop } from '@angular/cdk/drag-drop'
3 import { Component, OnDestroy, OnInit, ViewChild } from '@angular/core'
4 import { ActivatedRoute, Router } from '@angular/router'
5 import { ComponentPagination, ConfirmService, Notifier, ScreenService } from '@app/core'
6 import { DropdownAction } from '@app/shared/shared-main'
7 import { VideoShareComponent } from '@app/shared/shared-share-modal'
8 import { VideoPlaylist, VideoPlaylistElement, VideoPlaylistService } from '@app/shared/shared-video-playlist'
9 import { VideoPlaylistType } from '@shared/models'
12 templateUrl: './my-video-playlist-elements.component.html',
13 styleUrls: [ './my-video-playlist-elements.component.scss' ]
15 export class MyVideoPlaylistElementsComponent implements OnInit, OnDestroy {
16 @ViewChild('videoShareModal') videoShareModal: VideoShareComponent
18 playlistElements: VideoPlaylistElement[] = []
19 playlist: VideoPlaylist
21 playlistActions: DropdownAction<VideoPlaylist>[][] = []
23 pagination: ComponentPagination = {
29 onDataSubject = new Subject<any[]>()
31 private videoPlaylistId: string | number
32 private paramsSub: Subscription
35 private notifier: Notifier,
36 private router: Router,
37 private confirmService: ConfirmService,
38 private route: ActivatedRoute,
39 private screenService: ScreenService,
40 private videoPlaylistService: VideoPlaylistService
44 this.playlistActions = [
47 label: $localize`Update playlist`,
49 linkBuilder: playlist => [ '/my-library', 'video-playlists', 'update', playlist.uuid ]
52 label: $localize`Delete playlist`,
54 handler: playlist => this.deleteVideoPlaylist(playlist)
59 this.paramsSub = this.route.params.subscribe(routeParams => {
60 this.videoPlaylistId = routeParams[ 'videoPlaylistId' ]
63 this.loadPlaylistInfo()
68 if (this.paramsSub) this.paramsSub.unsubscribe()
71 drop (event: CdkDragDrop<any>) {
72 const previousIndex = event.previousIndex
73 const newIndex = event.currentIndex
75 if (previousIndex === newIndex) return
77 const oldPosition = this.playlistElements[previousIndex].position
78 let insertAfter = this.playlistElements[newIndex].position
80 if (oldPosition > insertAfter) insertAfter--
82 const element = this.playlistElements[previousIndex]
84 this.playlistElements.splice(previousIndex, 1)
85 this.playlistElements.splice(newIndex, 0, element)
87 this.videoPlaylistService.reorderPlaylist(this.playlist.id, oldPosition, insertAfter)
90 this.reorderClientPositions()
93 err => this.notifier.error(err.message)
97 onElementRemoved (element: VideoPlaylistElement) {
98 const oldFirst = this.findFirst()
100 this.playlistElements = this.playlistElements.filter(v => v.id !== element.id)
101 this.reorderClientPositions(oldFirst)
106 if (this.pagination.totalItems <= (this.pagination.currentPage * this.pagination.itemsPerPage)) return
108 this.pagination.currentPage += 1
112 trackByFn (index: number, elem: VideoPlaylistElement) {
116 isRegularPlaylist (playlist: VideoPlaylist) {
117 return playlist?.type.id === VideoPlaylistType.REGULAR
121 this.videoShareModal.show()
124 async deleteVideoPlaylist (videoPlaylist: VideoPlaylist) {
125 const res = await this.confirmService.confirm(
126 $localize`Do you really want to delete ${videoPlaylist.displayName}?`,
129 if (res === false) return
131 this.videoPlaylistService.removeVideoPlaylist(videoPlaylist)
134 this.router.navigate([ '/my-library', 'video-playlists' ])
135 this.notifier.success($localize`Playlist ${videoPlaylist.displayName} deleted.`)
138 error => this.notifier.error(error.message)
143 * Returns null to not have drag and drop delay.
144 * In small views, where elements are about 100% wide,
145 * we add a delay to prevent unwanted drag&drop.
147 * @see {@link https://github.com/Chocobozzz/PeerTube/issues/2078}
149 * @returns {null|number} Null for no delay, or a number in milliseconds.
151 getDragStartDelay (): null | number {
152 if (this.screenService.isInTouchScreen()) {
159 private loadElements () {
160 this.videoPlaylistService.getPlaylistVideos(this.videoPlaylistId, this.pagination)
161 .subscribe(({ total, data }) => {
162 this.playlistElements = this.playlistElements.concat(data)
163 this.pagination.totalItems = total
165 this.onDataSubject.next(data)
169 private loadPlaylistInfo () {
170 this.videoPlaylistService.getVideoPlaylist(this.videoPlaylistId)
171 .subscribe(playlist => {
172 this.playlist = playlist
176 private reorderClientPositions (first?: VideoPlaylistElement) {
177 if (this.playlistElements.length === 0) return
179 const oldFirst = first || this.findFirst()
182 for (const element of this.playlistElements) {
187 // Reload playlist thumbnail if the first element changed
188 const newFirst = this.findFirst()
189 if (oldFirst && newFirst && oldFirst.id !== newFirst.id) {
190 this.playlist.refreshThumbnail()
194 private findFirst () {
195 return this.playlistElements.find(e => e.position === 1)