123 lines
4.2 KiB
C#
123 lines
4.2 KiB
C#
using Microsoft.AspNetCore.DataProtection;
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using PlaylistShared.Api.Entities;
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using PlaylistShared.Shared.DTO;
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using YandexMusic;
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using YandexMusic.API.Extensions.API;
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using YandexMusic.API.Models.Playlist;
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using YandexMusic.API.Models.Track;
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namespace PlaylistShared.Api.Services;
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public class YandexMusicService
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{
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private readonly IDataProtector _dataProtector;
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public YandexMusicService(IDataProtectionProvider provider)
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{
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_dataProtector = provider.CreateProtector("YandexTokens");
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}
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private async Task<YandexMusicClient?> CreateClientAsync(ApplicationUser user)
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{
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if (string.IsNullOrEmpty(user.YandexAccessToken))
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return null;
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string decryptedToken;
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try
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{
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decryptedToken = _dataProtector.Unprotect(user.YandexAccessToken);
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}
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catch
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{
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return null;
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}
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var client = new YandexMusicClient();
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var success = await client.Authorize(decryptedToken);
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return success ? client : null;
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}
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public async Task<YPlaylist?> GetPlaylistAsync(ApplicationUser user, string ownerUid, string kind)
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{
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var client = await CreateClientAsync(user);
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if (client == null) return null;
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return await client.GetPlaylistAsync(ownerUid, kind);
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}
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public async Task<YPlaylist?> CreatePlaylistAsync(ApplicationUser user, string title)
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{
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var client = await CreateClientAsync(user);
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if (client == null) return null;
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return await client.CreatePlaylistAsync(title);
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}
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public async Task<YPlaylist?> AddTracksAsync(ApplicationUser user, string ownerUid, string kind, IEnumerable<string> trackIds)
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{
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var client = await CreateClientAsync(user);
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if (client == null) return null;
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// Получаем треки по ID
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var tracks = await client.GetTracksAsync(trackIds);
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if (tracks == null || !tracks.Any()) return null;
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var playlist = await client.GetPlaylistAsync(ownerUid, kind);
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if (playlist == null) return null;
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return await playlist.InsertTracksAsync(tracks.ToArray());
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}
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public async Task<YPlaylist?> RemoveTracksAsync(ApplicationUser user, string ownerUid, string kind, IEnumerable<string> trackIds)
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{
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var client = await CreateClientAsync(user);
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if (client == null) return null;
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var tracks = await client.GetTracksAsync(trackIds);
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if (tracks == null || !tracks.Any()) return null;
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var playlist = await client.GetPlaylistAsync(ownerUid, kind);
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if (playlist == null) return null;
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return await playlist.RemoveTracksAsync(tracks.ToArray());
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}
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public async Task<string?> GetTrackFileUrlAsync(ApplicationUser user, string trackId)
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{
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var track = await GetYTrackAsync(user, trackId);
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if (track == null) return null;
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return await track.GetLinkAsync();
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}
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public async Task<YTrack?> GetYTrackAsync(ApplicationUser user, string trackId)
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{
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using var client = await CreateClientAsync(user);
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if (client == null) return null;
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var track = await client.GetTrackAsync(trackId);
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return track;
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}
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public string EncryptToken(string token) => _dataProtector.Protect(token);
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public string DecryptToken(string encryptedToken)
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{
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try
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{
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return _dataProtector.Unprotect(encryptedToken);
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}
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catch
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{
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return null;
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}
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}
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public async Task<List<YandexTrackSearchResult>> SearchTracksAsync(ApplicationUser user, string query, int limit = 20)
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{
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var client = await CreateClientAsync(user);
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if (client == null) return new List<YandexTrackSearchResult>();
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var searchResult = await client.SearchAsync(query, YandexMusic.API.Models.Common.YSearchType.Track, page: 0, pageSize: limit);
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if (searchResult?.Tracks?.Results == null) return new List<YandexTrackSearchResult>();
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return searchResult.Tracks.Results.Select(t => new YandexTrackSearchResult
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{
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TrackId = t.Id,
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Title = t.Title,
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Artists = t.Artists?.Select(a => a.Name).ToList() ?? new List<string>(),
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CoverUri = t.CoverUri ?? string.Empty,
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DurationMs = t.DurationMs,
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}).ToList();
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}
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} |