120 lines
3.7 KiB
Dart

import 'dart:convert';
import 'package:dio/dio.dart';
import 'package:pmd_labs/data/dto/album_dto.dart';
import 'package:pmd_labs/card_data.dart';
import 'package:uuid/uuid.dart';
import '../../home_page/home_page.dart';
String generateAlbumId(String name, String artist, String url) {
return '$name|$artist|$url';
}
extension AlbumDataDtoMapper on AlbumDataDto {
List<AlbumDataDto> fetchAlbums(List<dynamic> albumsData) {
const String defaultImageUrl = "https://i.ibb.co/VwCkRD4/image.jpg";
List<AlbumDataDto> albums = [];
for (var album in albumsData) {
String? albumImage;
// Ищем наиболее подходящее изображение
List<dynamic> images = album['image'] as List<dynamic>;
var largestImage = images.firstWhere(
(image) => image['size'] == 'mega',
orElse: () => images.firstWhere(
(image) => image['size'] == 'extralarge',
orElse: () => images.firstWhere(
(image) => image['size'] == 'large',
orElse: () => null, // запасной вариант
),
),
);
if (largestImage['#text'] != "")
albumImage = largestImage['#text'] as String?;
else
albumImage = defaultImageUrl;
if (album['name'] != "(null)" && album['artist'] != "(null)") {
final id = generateAlbumId(album['name'], album['artist'], album['url']);
albums.add(AlbumDataDto(
id: id,
title: album['name'] as String?,
artist: album['artist'] as String?,
year: "",
genres: [],
tracks: [],
summary: "",
url: album['url'] as String?,
images: AlbumDataImagesDto(
jpg: AlbumDataImagesJPGDto(image_url: albumImage),
),
));
}
}
return albums;
}
Future<AlbumDataDto> fetchAlbumDetails(Map<String, dynamic> data, AlbumDataDto album) async {
if (data['album'] != null) {
// Получаем жанры и год
String year = "";
List<String> genres = [];
// Находим год в тегах
year = (data['album']?['tags']?['tag'] as List).firstWhere(
(tag) => tag['name'].contains(RegExp(r'^\d{4}$')),
orElse: () => null,
)?['name'] ??
"_";
// Получаем список жанров
genres = List<String>.from((data['album']?['tags']?['tag'] as List<dynamic>? ?? [])
.map((tag) => tag['name'] as String));
// Заполняем список треков
List<String> tracks = List<String>.from(
(data['album']?['tracks']?['track'] as List<dynamic>? ?? [])
.map((track) => track['name'] as String));
// Обновляем информацию в нашем DTO альбома
album.year = year;
album.genres = genres;
album.tracks = tracks;
album.summary = data['album']?['wiki']?['summary'] ?? "missing";
}
return album;
}
CardData toDomain() {
return CardData(
id: id,
title: title ?? 'UNKNOWN',
artist: artist ?? 'UNKNOWN',
year: year ?? 'UNKNOWN',
url: url ?? 'UNKNOWN',
summary: summary ?? 'UNKNOWN',
genres: genres ?? ['UNKNOWN'],
tracks: tracks ?? ['UNKNOWN'],
imageUrl: images?.jpg?.image_url ?? 'UNKNOWN',
);
}
}
extension AlbumDtoMapper on AlbumDto {
List<AlbumDataDto> fetchAlbumsWithPagination(List<dynamic> albumsData) {
List<AlbumDataDto> albums = AlbumDataDto().fetchAlbums(albumsData);
return albums;
}
HomeData toDomain() {
return HomeData(
data: data?.map((e) => e.toDomain()).toList(),
nextPage: (pagination?.hasNextPage ?? false) ? ((pagination?.currentPage ?? 0) + 1) : null,
);
}
}