150 lines
7.6 KiB
C#
150 lines
7.6 KiB
C#
using YandexMusic.API.Common;
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using YandexMusic.API.Models.Common;
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using YandexMusic.API.Models.Landing;
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using YandexMusic.API.Models.Landing.Entity.Entities;
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using YandexMusic.API.Models.Playlist;
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using YandexMusic.API.Models.Track;
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using YandexMusic.API.Requests.Playlist;
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namespace YandexMusic.API;
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/// <summary>API для взаимодействия с плейлистами.</summary>
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public class YPlaylistAPI : YCommonAPI
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{
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/// <summary>Инициализирует новый экземпляр API плейлистов.</summary>
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/// <param name="yandex">Экземпляр основного API.</param>
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public YPlaylistAPI(YandexMusicApi yandex) : base(yandex) { }
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/// <summary>Получает список персональных плейлистов с главной страницы.</summary>
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/// <param name="storage">Хранилище авторизации.</param>
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/// <returns>Список ответов с плейлистами.</returns>
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public async Task<List<YResponse<YPlaylist>>> GetPersonalPlaylistsAsync(AuthStorage storage)
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{
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var landing = await api.Landing.GetAsync(storage, YLandingBlockType.PersonalPlaylists);
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var block = landing.Result?.Blocks?.FirstOrDefault(b => b.Type == YLandingBlockType.PersonalPlaylists);
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if (block?.Entities == null)
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return new List<YResponse<YPlaylist>>();
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var tasks = block.Entities
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.OfType<YLandingEntityPersonalPlaylist>()
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.Select(e => api.Playlist.GetAsync(storage, e.Data?.Data));
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return new List<YResponse<YPlaylist>>(await Task.WhenAll(tasks));
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}
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/// <summary>Получает избранные плейлисты.</summary>
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public Task<YResponse<List<YPlaylist>>> FavoritesAsync(AuthStorage storage)
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=> new YGetPlaylistFavoritesBuilder(api, storage).Build(null!).GetResponseAsync();
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/// <summary>Получает плейлист дня.</summary>
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public Task<YResponse<YPlaylist>> OfTheDayAsync(AuthStorage storage)
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=> GetPersonalPlaylistAsync(storage, YGeneratedPlaylistType.PlaylistOfTheDay);
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/// <summary>Получает плейлист «Дежавю».</summary>
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public Task<YResponse<YPlaylist>> DejaVuAsync(AuthStorage storage)
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=> GetPersonalPlaylistAsync(storage, YGeneratedPlaylistType.NeverHeard);
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/// <summary>Получает плейлист «Премьера».</summary>
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public Task<YResponse<YPlaylist>> PremiereAsync(AuthStorage storage)
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=> GetPersonalPlaylistAsync(storage, YGeneratedPlaylistType.RecentTracks);
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/// <summary>Получает плейлист «Тайник».</summary>
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public Task<YResponse<YPlaylist>> MissedAsync(AuthStorage storage)
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=> GetPersonalPlaylistAsync(storage, YGeneratedPlaylistType.MissedLikes);
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/// <summary>Получает плейлист «Кинопоиск».</summary>
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public Task<YResponse<YPlaylist>> KinopoiskAsync(AuthStorage storage)
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=> GetPersonalPlaylistAsync(storage, YGeneratedPlaylistType.Kinopoisk);
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private async Task<YResponse<YPlaylist>> GetPersonalPlaylistAsync(AuthStorage storage, YGeneratedPlaylistType type)
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{
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var list = await GetPersonalPlaylistsAsync(storage);
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return list.FirstOrDefault(e => string.Equals(e.Result?.GeneratedPlaylistType, type.ToString(), StringComparison.CurrentCultureIgnoreCase))
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?? throw new Exception($"Плейлист типа {type} не найден.");
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}
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/// <summary>Получает плейлист по идентификатору пользователя и типа.</summary>
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public Task<YResponse<YPlaylist>> GetAsync(AuthStorage storage, string user, string kind)
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=> new YGetPlaylistBuilder(api, storage).Build((user, kind)).GetResponseAsync();
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/// <summary>Получает плейлист по UUID.</summary>
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public Task<YResponse<YPlaylist>> GetAsync(AuthStorage storage, string uuid)
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=> new YGetPlaylistByUuidBuilder(api, storage).Build(uuid).GetResponseAsync();
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/// <summary>Получает несколько плейлистов по списку пар (пользователь, тип).</summary>
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public Task<YResponse<List<YPlaylist>>> GetAsync(AuthStorage storage, IEnumerable<(string user, string kind)> ids)
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=> new YGetPlaylistsBuilder(api, storage).Build(ids).GetResponseAsync();
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/// <summary>Получает плейлист по объекту плейлиста (обновляет его треки).</summary>
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public Task<YResponse<YPlaylist>> GetAsync(AuthStorage storage, YPlaylist playlist)
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=> new YGetPlaylistBuilder(api, storage).Build((playlist.Owner.Uid, playlist.Kind)).GetResponseAsync();
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/// <summary>Создаёт новый плейлист с заданным именем.</summary>
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public Task<YResponse<YPlaylist>> CreateAsync(AuthStorage storage, string name)
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=> new YPlaylistCreateBuilder(api, storage).Build(name).GetResponseAsync();
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/// <summary>Переименовывает плейлист.</summary>
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public Task<YResponse<YPlaylist>> RenameAsync(AuthStorage storage, string kind, string name)
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=> new YPlaylistRenameBuilder(api, storage).Build((kind, name)).GetResponseAsync();
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/// <summary>Переименовывает плейлист.</summary>
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public Task<YResponse<YPlaylist>> RenameAsync(AuthStorage storage, YPlaylist playlist, string name)
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=> RenameAsync(storage, playlist.Kind, name);
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/// <summary>Удаляет плейлист.</summary>
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public async Task<bool> DeleteAsync(AuthStorage storage, string kind)
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{
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try
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{
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await new YPlaylistRemoveBuilder(api, storage).Build(kind).GetResponseAsync();
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return true;
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}
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catch (Exception ex)
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{
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// Логирование ошибки можно добавить через ILogger
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return false;
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}
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}
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/// <summary>Удаляет плейлист.</summary>
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public Task<bool> DeleteAsync(AuthStorage storage, YPlaylist playlist)
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=> DeleteAsync(storage, playlist.Kind);
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/// <summary>Добавляет треки в начало плейлиста.</summary>
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public async Task<YResponse<YPlaylist>> InsertTracksAsync(AuthStorage storage, YPlaylist playlist, IEnumerable<YTrack> tracks)
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{
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var change = await ChangePlaylistAsync(storage, playlist, new List<YPlaylistChange>
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{
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new()
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{
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Operation = YPlaylistChangeType.Insert,
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At = 0,
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Tracks = tracks.Select(t => t.GetKey())
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}
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});
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return await GetAsync(storage, change.Result);
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}
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/// <summary>Удаляет треки из плейлиста.</summary>
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public Task<YResponse<YPlaylist>> DeleteTracksAsync(AuthStorage storage, YPlaylist playlist, IEnumerable<YTrack> tracks)
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{
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var distinctTracks = tracks.Distinct().ToList();
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var changes = distinctTracks
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.Select(t => playlist.Tracks?.FindIndex(ct => ct.Track?.GetKey() == t.GetKey()) ?? -1)
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.Where(i => i != -1)
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.Select(i => new YPlaylistChange
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{
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Operation = YPlaylistChangeType.Delete,
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From = i,
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To = i + 1,
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Tracks = new List<YTrackAlbumPair> { playlist.Tracks![i].Track!.GetKey() }
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})
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.ToList();
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return ChangePlaylistAsync(storage, playlist, changes);
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}
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private Task<YResponse<YPlaylist>> ChangePlaylistAsync(AuthStorage storage, YPlaylist playlist, IEnumerable<YPlaylistChange> changes)
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=> new YPlaylistChangeBuilder(api, storage).Build((playlist, changes)).GetResponseAsync();
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} |