Merge branch 'master' into develop

[github/Chocobozzz/PeerTube.git] / client / src / app / +my-account / my-account-video-playlists / my-account-video-playlist-elements.component.ts

diff --git a/client/src/app/+my-account/my-account-video-playlists/my-account-video-playlist-elements.component.ts b/client/src/app/+my-account/my-account-video-playlists/my-account-video-playlist-elements.component.ts
index 8b70a9b1abbe94582aaf043816be68398ae77e3e..25d51d2cbdb5de89f0201ae0ff7c982048872c1c 100644 (file)
--- a/client/src/app/+my-account/my-account-video-playlists/my-account-video-playlist-elements.component.ts
+++ b/client/src/app/+my-account/my-account-video-playlists/my-account-video-playlist-elements.component.ts
@@ -1,12 +1,17 @@
 import { Component, OnDestroy, OnInit } from '@angular/core'
-import { Notifier } from '@app/core'
+import { Notifier, ServerService } from '@app/core'
 import { AuthService } from '../../core/auth'
 import { ConfirmService } from '../../core/confirm'
 import { ComponentPagination } from '@app/shared/rest/component-pagination.model'
 import { Video } from '@app/shared/video/video.model'
-import { Subscription } from 'rxjs'
+import { Subject, Subscription } from 'rxjs'
 import { ActivatedRoute } from '@angular/router'
 import { VideoService } from '@app/shared/video/video.service'
+import { VideoPlaylistService } from '@app/shared/video-playlist/video-playlist.service'
+import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
+import { I18n } from '@ngx-translate/i18n-polyfill'
+import { CdkDragDrop, CdkDragMove } from '@angular/cdk/drag-drop'
+import { throttleTime } from 'rxjs/operators'
 
 @Component({
   selector: 'my-account-video-playlist-elements',
@@ -15,35 +20,101 @@ import { VideoService } from '@app/shared/video/video.service'
 })
 export class MyAccountVideoPlaylistElementsComponent implements OnInit, OnDestroy {
   videos: Video[] = []
+  playlist: VideoPlaylist
 
   pagination: ComponentPagination = {
     currentPage: 1,
-    itemsPerPage: 10,
+    itemsPerPage: 30,
     totalItems: null
   }
 
   private videoPlaylistId: string | number
   private paramsSub: Subscription
+  private dragMoveSubject = new Subject<number>()
 
   constructor (
     private authService: AuthService,
+    private serverService: ServerService,
     private notifier: Notifier,
     private confirmService: ConfirmService,
     private route: ActivatedRoute,
-    private videoService: VideoService
+    private i18n: I18n,
+    private videoService: VideoService,
+    private videoPlaylistService: VideoPlaylistService
   ) {}
 
   ngOnInit () {
     this.paramsSub = this.route.params.subscribe(routeParams => {
       this.videoPlaylistId = routeParams[ 'videoPlaylistId' ]
       this.loadElements()
+
+      this.loadPlaylistInfo()
     })
+
+    this.dragMoveSubject.asObservable()
+      .pipe(throttleTime(200))
+      .subscribe(y => this.checkScroll(y))
   }
 
   ngOnDestroy () {
     if (this.paramsSub) this.paramsSub.unsubscribe()
   }
 
+  drop (event: CdkDragDrop<any>) {
+    const previousIndex = event.previousIndex
+    const newIndex = event.currentIndex
+
+    if (previousIndex === newIndex) return
+
+    const oldPosition = this.videos[previousIndex].playlistElement.position
+    const insertAfter = newIndex === 0 ? 0 : this.videos[newIndex].playlistElement.position
+
+    this.videoPlaylistService.reorderPlaylist(this.playlist.id, oldPosition, insertAfter)
+      .subscribe(
+        () => { /* nothing to do */ },
+
+        err => this.notifier.error(err.message)
+      )
+
+    const video = this.videos[previousIndex]
+
+    this.videos.splice(previousIndex, 1)
+    this.videos.splice(newIndex, 0, video)
+
+    this.reorderClientPositions()
+  }
+
+  onDragMove (event: CdkDragMove<any>) {
+    this.dragMoveSubject.next(event.pointerPosition.y)
+  }
+
+  checkScroll (pointerY: number) {
+    // FIXME: Uncomment when https://github.com/angular/material2/issues/14098 is fixed
+    // FIXME: Remove when https://github.com/angular/material2/issues/13588 is implemented
+    // if (pointerY < 150) {
+    //   window.scrollBy({
+    //     left: 0,
+    //     top: -20,
+    //     behavior: 'smooth'
+    //   })
+    //
+    //   return
+    // }
+    //
+    // if (window.innerHeight - pointerY <= 50) {
+    //   window.scrollBy({
+    //     left: 0,
+    //     top: 20,
+    //     behavior: 'smooth'
+    //   })
+    // }
+  }
+
+  onElementRemoved (video: Video) {
+    this.videos = this.videos.filter(v => v.id !== video.id)
+    this.reorderClientPositions()
+  }
+
   onNearOfBottom () {
     // Last page
     if (this.pagination.totalItems <= (this.pagination.currentPage * this.pagination.itemsPerPage)) return
@@ -52,6 +123,10 @@ export class MyAccountVideoPlaylistElementsComponent implements OnInit, OnDestro
     this.loadElements()
   }
 
+  trackByFn (index: number, elem: Video) {
+    return elem.id
+  }
+
   private loadElements () {
     this.videoService.getPlaylistVideos(this.videoPlaylistId, this.pagination)
         .subscribe(({ totalVideos, videos }) => {
@@ -59,4 +134,20 @@ export class MyAccountVideoPlaylistElementsComponent implements OnInit, OnDestro
           this.pagination.totalItems = totalVideos
         })
   }
+
+  private loadPlaylistInfo () {
+    this.videoPlaylistService.getVideoPlaylist(this.videoPlaylistId)
+      .subscribe(playlist => {
+        this.playlist = playlist
+      })
+  }
+
+  private reorderClientPositions () {
+    let i = 1
+
+    for (const video of this.videos) {
+      video.playlistElement.position = i
+      i++
+    }
+  }
 }