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feat: add subsonic proxy architecture with external music services
- Add MusicModels (Song, Artist, Album, SearchResult, DownloadInfo) - Add IMusicMetadataService and DeezerMetadataService for external search - Add IDownloadService and DeezspotDownloadService for downloads - Add LocalLibraryService for managing downloaded songs cache - Add custom endpoints: search3, stream, getSong, getAlbum, getCoverArt - Configure dependency injection for all services
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V1ck3s
275
octo-fiesta/Services/DeezerMetadataService.cs
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275
octo-fiesta/Services/DeezerMetadataService.cs
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using octo_fiesta.Models;
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using System.Text.Json;
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namespace octo_fiesta.Services;
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/// <summary>
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/// Implémentation du service de métadonnées utilisant l'API Deezer (gratuite, pas besoin de clé)
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/// </summary>
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public class DeezerMetadataService : IMusicMetadataService
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{
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private readonly HttpClient _httpClient;
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private const string BaseUrl = "https://api.deezer.com";
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public DeezerMetadataService(IHttpClientFactory httpClientFactory)
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{
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_httpClient = httpClientFactory.CreateClient();
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}
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public async Task<List<Song>> SearchSongsAsync(string query, int limit = 20)
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{
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var url = $"{BaseUrl}/search/track?q={Uri.EscapeDataString(query)}&limit={limit}";
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var response = await _httpClient.GetAsync(url);
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response.EnsureSuccessStatusCode();
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var json = await response.Content.ReadAsStringAsync();
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var result = JsonDocument.Parse(json);
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var songs = new List<Song>();
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if (result.RootElement.TryGetProperty("data", out var data))
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{
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foreach (var track in data.EnumerateArray())
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{
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songs.Add(ParseDeezerTrack(track));
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}
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}
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return songs;
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}
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public async Task<List<Album>> SearchAlbumsAsync(string query, int limit = 20)
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{
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var url = $"{BaseUrl}/search/album?q={Uri.EscapeDataString(query)}&limit={limit}";
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var response = await _httpClient.GetAsync(url);
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response.EnsureSuccessStatusCode();
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var json = await response.Content.ReadAsStringAsync();
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var result = JsonDocument.Parse(json);
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var albums = new List<Album>();
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if (result.RootElement.TryGetProperty("data", out var data))
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{
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foreach (var album in data.EnumerateArray())
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{
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albums.Add(ParseDeezerAlbum(album));
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}
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}
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return albums;
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}
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public async Task<List<Artist>> SearchArtistsAsync(string query, int limit = 20)
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{
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var url = $"{BaseUrl}/search/artist?q={Uri.EscapeDataString(query)}&limit={limit}";
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var response = await _httpClient.GetAsync(url);
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response.EnsureSuccessStatusCode();
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var json = await response.Content.ReadAsStringAsync();
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var result = JsonDocument.Parse(json);
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var artists = new List<Artist>();
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if (result.RootElement.TryGetProperty("data", out var data))
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{
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foreach (var artist in data.EnumerateArray())
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{
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artists.Add(ParseDeezerArtist(artist));
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}
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}
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return artists;
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}
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public async Task<SearchResult> SearchAllAsync(string query, int songLimit = 20, int albumLimit = 20, int artistLimit = 20)
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{
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// Exécuter les recherches en parallèle
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var songsTask = SearchSongsAsync(query, songLimit);
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var albumsTask = SearchAlbumsAsync(query, albumLimit);
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var artistsTask = SearchArtistsAsync(query, artistLimit);
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await Task.WhenAll(songsTask, albumsTask, artistsTask);
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return new SearchResult
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{
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Songs = await songsTask,
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Albums = await albumsTask,
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Artists = await artistsTask
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};
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}
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public async Task<Song?> GetSongAsync(string externalProvider, string externalId)
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{
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if (externalProvider != "deezer") return null;
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var url = $"{BaseUrl}/track/{externalId}";
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var response = await _httpClient.GetAsync(url);
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if (!response.IsSuccessStatusCode) return null;
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var json = await response.Content.ReadAsStringAsync();
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var track = JsonDocument.Parse(json).RootElement;
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if (track.TryGetProperty("error", out _)) return null;
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return ParseDeezerTrack(track);
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}
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public async Task<Album?> GetAlbumAsync(string externalProvider, string externalId)
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{
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if (externalProvider != "deezer") return null;
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var url = $"{BaseUrl}/album/{externalId}";
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var response = await _httpClient.GetAsync(url);
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if (!response.IsSuccessStatusCode) return null;
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var json = await response.Content.ReadAsStringAsync();
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var albumElement = JsonDocument.Parse(json).RootElement;
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if (albumElement.TryGetProperty("error", out _)) return null;
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var album = ParseDeezerAlbum(albumElement);
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// Récupérer les chansons de l'album
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if (albumElement.TryGetProperty("tracks", out var tracks) &&
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tracks.TryGetProperty("data", out var tracksData))
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{
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foreach (var track in tracksData.EnumerateArray())
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{
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album.Songs.Add(ParseDeezerTrack(track));
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}
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}
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return album;
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}
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public async Task<Artist?> GetArtistAsync(string externalProvider, string externalId)
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{
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if (externalProvider != "deezer") return null;
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var url = $"{BaseUrl}/artist/{externalId}";
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var response = await _httpClient.GetAsync(url);
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if (!response.IsSuccessStatusCode) return null;
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var json = await response.Content.ReadAsStringAsync();
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var artist = JsonDocument.Parse(json).RootElement;
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if (artist.TryGetProperty("error", out _)) return null;
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return ParseDeezerArtist(artist);
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}
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public async Task<List<Album>> GetArtistAlbumsAsync(string externalProvider, string externalId)
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{
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if (externalProvider != "deezer") return new List<Album>();
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var url = $"{BaseUrl}/artist/{externalId}/albums";
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var response = await _httpClient.GetAsync(url);
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if (!response.IsSuccessStatusCode) return new List<Album>();
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var json = await response.Content.ReadAsStringAsync();
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var result = JsonDocument.Parse(json);
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var albums = new List<Album>();
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if (result.RootElement.TryGetProperty("data", out var data))
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{
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foreach (var album in data.EnumerateArray())
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{
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albums.Add(ParseDeezerAlbum(album));
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}
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}
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return albums;
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}
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private Song ParseDeezerTrack(JsonElement track)
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{
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var externalId = track.GetProperty("id").GetInt64().ToString();
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return new Song
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{
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Id = $"ext-deezer-{externalId}",
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Title = track.GetProperty("title").GetString() ?? "",
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Artist = track.TryGetProperty("artist", out var artist)
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? artist.GetProperty("name").GetString() ?? ""
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: "",
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ArtistId = track.TryGetProperty("artist", out var artistForId)
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? $"ext-deezer-{artistForId.GetProperty("id").GetInt64()}"
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: null,
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Album = track.TryGetProperty("album", out var album)
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? album.GetProperty("title").GetString() ?? ""
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: "",
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AlbumId = track.TryGetProperty("album", out var albumForId)
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? $"ext-deezer-{albumForId.GetProperty("id").GetInt64()}"
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: null,
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Duration = track.TryGetProperty("duration", out var duration)
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? duration.GetInt32()
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: null,
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Track = track.TryGetProperty("track_position", out var trackPos)
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? trackPos.GetInt32()
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: null,
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CoverArtUrl = track.TryGetProperty("album", out var albumForCover) &&
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albumForCover.TryGetProperty("cover_medium", out var cover)
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? cover.GetString()
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: null,
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IsLocal = false,
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ExternalProvider = "deezer",
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ExternalId = externalId
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};
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}
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private Album ParseDeezerAlbum(JsonElement album)
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{
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var externalId = album.GetProperty("id").GetInt64().ToString();
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return new Album
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{
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Id = $"ext-deezer-{externalId}",
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Title = album.GetProperty("title").GetString() ?? "",
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Artist = album.TryGetProperty("artist", out var artist)
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? artist.GetProperty("name").GetString() ?? ""
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: "",
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ArtistId = album.TryGetProperty("artist", out var artistForId)
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? $"ext-deezer-{artistForId.GetProperty("id").GetInt64()}"
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: null,
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Year = album.TryGetProperty("release_date", out var releaseDate)
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? int.TryParse(releaseDate.GetString()?.Split('-')[0], out var year) ? year : null
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: null,
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SongCount = album.TryGetProperty("nb_tracks", out var nbTracks)
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? nbTracks.GetInt32()
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: null,
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CoverArtUrl = album.TryGetProperty("cover_medium", out var cover)
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? cover.GetString()
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: null,
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Genre = album.TryGetProperty("genres", out var genres) &&
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genres.TryGetProperty("data", out var genresData) &&
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genresData.GetArrayLength() > 0
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? genresData[0].GetProperty("name").GetString()
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: null,
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IsLocal = false,
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ExternalProvider = "deezer",
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ExternalId = externalId
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};
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}
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private Artist ParseDeezerArtist(JsonElement artist)
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{
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var externalId = artist.GetProperty("id").GetInt64().ToString();
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return new Artist
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{
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Id = $"ext-deezer-{externalId}",
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Name = artist.GetProperty("name").GetString() ?? "",
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ImageUrl = artist.TryGetProperty("picture_medium", out var picture)
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? picture.GetString()
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: null,
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AlbumCount = artist.TryGetProperty("nb_album", out var nbAlbum)
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? nbAlbum.GetInt32()
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: null,
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IsLocal = false,
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ExternalProvider = "deezer",
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ExternalId = externalId
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};
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}
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}
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