Files
iTunes/dashboard/src/app/artist/artist.component.ts

73 lines
2.1 KiB
TypeScript

import { Component, OnInit, ViewChild } from '@angular/core';
import { ActivatedRoute, Params } from '@angular/router';
import { Location } from '@angular/common';
import { ElsService } from './../els.service';
import { Song } from './../object/song';
import { Artist } from './../object/artist';
import { SongTableComponent } from '../song-table/song-table.component';
@Component({
selector: 'app-artist',
templateUrl: './artist.component.html',
styleUrls: [ './../album/album.component.css', './../dashboard.component.css', './artist.component.css' ]
})
export class ArtistComponent implements OnInit {
// Interacte with table to set sortable
@ViewChild(SongTableComponent) songtable: SongTableComponent;
// Prevent useless data load + activate button in interface var
moreDataAvailable = true;
artistName = '';
songs: Array<Song> = [];
artist: Artist = new Artist();
lockLoadData = false;
constructor(
private elsService: ElsService,
private route: ActivatedRoute,
private location: Location
) { }
ngOnInit(): void {
this.route.params.subscribe((params: Params) => this.artistName = params['name']);
this.elsService.getArtist(this.artistName).subscribe(data => this.artist = data);
this.loadSongs();
}
// TODO Duplicate code!
loadSongs(): void {
if (this.lockLoadData) {
console.log('Loading data locked');
return;
}
if (!this.moreDataAvailable) {
return;
}
this.lockLoadData = true;
this.elsService.getArtistSongs(this.artistName, this.songs.length).subscribe(
data => {
this.moreDataAvailable = data.length === ElsService.DEFAULT_SIZE;
// Erase song array with result for first load, then add elements one by one
// instead use concat => concat will sort table at each load, very consuming! and not user friendly
if (this.songs.length === 0) {
this.songs = data;
} else {
this.songtable.setSortable(true);
data.forEach(song => {
this.songs.push(song);
});
}
console.log('Unlock load data');
this.lockLoadData = false;
}
);
}
}