74 lines
2.3 KiB
TypeScript
74 lines
2.3 KiB
TypeScript
import { Component, OnInit, ViewChild } from '@angular/core';
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import { ActivatedRoute, Params } from '@angular/router';
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import { Song } from './../model/song';
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import { Album } from './../model/album';
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import { SongTableComponent } from '../song-table/song-table.component';
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import { TsService } from '../ts-service/ts.service';
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import { TsAlbumService } from '../ts-service/ts-album.service';
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@Component({
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selector: 'app-album',
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templateUrl: './album.component.html',
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styleUrls: [ './album.component.css', './../dashboard/dashboard.component.css' ]
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})
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export class AlbumComponent implements OnInit {
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@ViewChild(SongTableComponent) private songtable: SongTableComponent;
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albumName = '';
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songs: Array<Song> = [];
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album: Album = new Album(); // If album not found, will be replaced by 'undefined'
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sortFilter: boolean = false; // Show only song to sort
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// Prevent useless data load + activate button in interface var
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moreDataAvailable = true;
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lockLoadData = false;
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constructor(
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private tsAlbumService: TsAlbumService,
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private route: ActivatedRoute
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) { }
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ngOnInit(): void {
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this.route.params.subscribe((params: Params) => this.albumName = params['name']);
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this.route.queryParams.subscribe(params => { this.sortFilter = params.tosort ?? false; });
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this.loadSongs();
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this.tsAlbumService.getAlbum(this.albumName).subscribe(data => this.album = data);
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}
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loadSongs(): void {
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if (this.lockLoadData) {
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console.log('Loading data locked');
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return;
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}
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if (!this.moreDataAvailable) {
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return;
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}
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this.lockLoadData = true;
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this.tsAlbumService.getAlbumSongs(this.albumName, this.songs.length, this.sortFilter).subscribe(
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data => {
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this.moreDataAvailable = data.length === TsService.DEFAULT_SIZE;
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// Erase song array with result for first load, then add elements one by one
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// instead use concat => concat will sort table at each load, very consuming! and not user friendly
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if (this.songs.length === 0) {
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this.songs = data;
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} else {
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this.songtable.setSortable(true);
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data.forEach(song => {
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this.songs.push(song);
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});
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}
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console.log('Unlock load data');
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this.lockLoadData = false;
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}
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);
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}
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}
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