this.videoPlaylist.getPlaylistVideos(playlist.uuid, this.playlistPagination)
.subscribe(({ total, data }) => {
this.playlistElements = this.playlistElements.concat(data)
this.playlistPagination.totalItems = total
this.videoPlaylist.getPlaylistVideos(playlist.uuid, this.playlistPagination)
.subscribe(({ total, data }) => {
this.playlistElements = this.playlistElements.concat(data)
this.playlistPagination.totalItems = total