mirror of
https://github.com/SoPat712/allstarr.git
synced 2026-02-09 23:55:10 -05:00
a5e065dd31
- Remove custom /ping endpoint that returned non-standard JSON format - Fix wildcard endpoint to return Subsonic-compatible error responses - All requests now properly relay to/from the real Subsonic server
761 lines
27 KiB
C#
761 lines
27 KiB
C#
using Microsoft.AspNetCore.Mvc;
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using System.Xml.Linq;
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using System.Text;
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using System.Text.Json;
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using Microsoft.Extensions.Options;
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using octo_fiesta.Models;
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using octo_fiesta.Services;
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namespace octo_fiesta.Controllers;
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[ApiController]
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[Route("")]
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public class SubsonicController : ControllerBase
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{
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private readonly HttpClient _httpClient;
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private readonly SubsonicSettings _subsonicSettings;
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private readonly IMusicMetadataService _metadataService;
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private readonly ILocalLibraryService _localLibraryService;
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private readonly IDownloadService _downloadService;
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public SubsonicController(
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IHttpClientFactory httpClientFactory,
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IOptions<SubsonicSettings> subsonicSettings,
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IMusicMetadataService metadataService,
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ILocalLibraryService localLibraryService,
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IDownloadService downloadService)
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{
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_httpClient = httpClientFactory.CreateClient();
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_subsonicSettings = subsonicSettings.Value;
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_metadataService = metadataService;
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_localLibraryService = localLibraryService;
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_downloadService = downloadService;
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if (string.IsNullOrWhiteSpace(_subsonicSettings.Url))
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{
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throw new Exception("Error: Environment variable SUBSONIC_URL is not set.");
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}
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}
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// Extract all parameters (query + body)
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private async Task<Dictionary<string, string>> ExtractAllParameters()
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{
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var parameters = new Dictionary<string, string>();
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// Get query parameters
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foreach (var query in Request.Query)
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{
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parameters[query.Key] = query.Value.ToString();
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}
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// Get body parameters (JSON)
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if (Request.ContentLength > 0 && Request.ContentType?.Contains("application/json") == true)
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{
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using var reader = new StreamReader(Request.Body);
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var body = await reader.ReadToEndAsync();
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if (!string.IsNullOrEmpty(body))
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{
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try
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{
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var bodyParams = JsonSerializer.Deserialize<Dictionary<string, object>>(body);
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if (bodyParams != null)
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{
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foreach (var param in bodyParams)
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{
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parameters[param.Key] = param.Value?.ToString() ?? "";
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}
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}
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}
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catch (JsonException)
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{
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}
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}
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}
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return parameters;
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}
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private async Task<(object Body, string? ContentType)> RelayToSubsonic(string endpoint, Dictionary<string, string> parameters)
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{
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var query = string.Join("&", parameters.Select(kv => $"{Uri.EscapeDataString(kv.Key)}={Uri.EscapeDataString(kv.Value)}"));
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var url = $"{_subsonicSettings.Url}/{endpoint}?{query}";
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HttpResponseMessage response = await _httpClient.GetAsync(url);
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response.EnsureSuccessStatusCode();
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var body = await response.Content.ReadAsByteArrayAsync();
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var contentType = response.Content.Headers.ContentType?.ToString();
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return (body, contentType);
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}
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/// <summary>
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/// Endpoint search3 personnalisé - fusionne les résultats locaux et externes
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/// </summary>
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[HttpGet, HttpPost]
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[Route("rest/search3")]
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[Route("rest/search3.view")]
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public async Task<IActionResult> Search3()
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{
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var parameters = await ExtractAllParameters();
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var query = parameters.GetValueOrDefault("query", "");
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var format = parameters.GetValueOrDefault("f", "xml");
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if (string.IsNullOrWhiteSpace(query))
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{
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return CreateSubsonicResponse(format, "searchResult3", new { });
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}
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// Lancer les deux recherches en parallèle
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var subsonicTask = RelayToSubsonicSafe("rest/search3", parameters);
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var externalTask = _metadataService.SearchAllAsync(
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query,
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int.TryParse(parameters.GetValueOrDefault("songCount", "20"), out var sc) ? sc : 20,
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int.TryParse(parameters.GetValueOrDefault("albumCount", "20"), out var ac) ? ac : 20,
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int.TryParse(parameters.GetValueOrDefault("artistCount", "20"), out var arc) ? arc : 20
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);
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await Task.WhenAll(subsonicTask, externalTask);
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var subsonicResult = await subsonicTask;
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var externalResult = await externalTask;
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// Fusionner les résultats
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return MergeSearchResults(subsonicResult, externalResult, format);
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}
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/// <summary>
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/// Endpoint stream personnalisé - télécharge à la volée si nécessaire
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/// </summary>
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[HttpGet, HttpPost]
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[Route("rest/stream")]
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[Route("rest/stream.view")]
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public async Task<IActionResult> Stream()
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{
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var parameters = await ExtractAllParameters();
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var id = parameters.GetValueOrDefault("id", "");
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if (string.IsNullOrWhiteSpace(id))
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{
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return BadRequest(new { error = "Missing id parameter" });
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}
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var (isExternal, provider, externalId) = _localLibraryService.ParseSongId(id);
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if (!isExternal)
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{
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// Chanson locale - relayer vers Subsonic
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return await RelayStreamToSubsonic(parameters);
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}
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// Chanson externe - vérifier si déjà téléchargée
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var localPath = await _localLibraryService.GetLocalPathForExternalSongAsync(provider!, externalId!);
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if (localPath != null && System.IO.File.Exists(localPath))
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{
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// Fichier déjà disponible localement
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var stream = System.IO.File.OpenRead(localPath);
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return File(stream, GetContentType(localPath), enableRangeProcessing: true);
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}
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// Télécharger et streamer à la volée
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try
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{
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var downloadStream = await _downloadService.DownloadAndStreamAsync(provider!, externalId!, HttpContext.RequestAborted);
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return File(downloadStream, "audio/mpeg", enableRangeProcessing: true);
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}
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catch (Exception ex)
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{
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return StatusCode(500, new { error = $"Failed to stream: {ex.Message}" });
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}
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}
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/// <summary>
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/// Endpoint getSong personnalisé - retourne les infos d'une chanson externe si nécessaire
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/// </summary>
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[HttpGet, HttpPost]
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[Route("rest/getSong")]
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[Route("rest/getSong.view")]
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public async Task<IActionResult> GetSong()
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{
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var parameters = await ExtractAllParameters();
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var id = parameters.GetValueOrDefault("id", "");
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var format = parameters.GetValueOrDefault("f", "xml");
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if (string.IsNullOrWhiteSpace(id))
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{
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return CreateSubsonicError(format, 10, "Missing id parameter");
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}
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var (isExternal, provider, externalId) = _localLibraryService.ParseSongId(id);
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if (!isExternal)
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{
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// Chanson locale - relayer vers Subsonic
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var result = await RelayToSubsonic("rest/getSong", parameters);
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var contentType = result.ContentType ?? $"application/{format}";
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return File((byte[])result.Body, contentType);
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}
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// Chanson externe - récupérer depuis le service de métadonnées
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var song = await _metadataService.GetSongAsync(provider!, externalId!);
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if (song == null)
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{
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return CreateSubsonicError(format, 70, "Song not found");
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}
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return CreateSubsonicSongResponse(format, song);
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}
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/// <summary>
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/// Endpoint getAlbum personnalisé
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/// </summary>
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[HttpGet, HttpPost]
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[Route("rest/getAlbum")]
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[Route("rest/getAlbum.view")]
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public async Task<IActionResult> GetAlbum()
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{
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var parameters = await ExtractAllParameters();
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var id = parameters.GetValueOrDefault("id", "");
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var format = parameters.GetValueOrDefault("f", "xml");
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if (string.IsNullOrWhiteSpace(id))
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{
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return CreateSubsonicError(format, 10, "Missing id parameter");
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}
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var (isExternal, provider, externalId) = _localLibraryService.ParseSongId(id);
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if (!isExternal)
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{
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// Album local - relayer vers Subsonic
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var result = await RelayToSubsonic("rest/getAlbum", parameters);
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var contentType = result.ContentType ?? $"application/{format}";
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return File((byte[])result.Body, contentType);
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}
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// Album externe - récupérer depuis le service de métadonnées
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var album = await _metadataService.GetAlbumAsync(provider!, externalId!);
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if (album == null)
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{
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return CreateSubsonicError(format, 70, "Album not found");
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}
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return CreateSubsonicAlbumResponse(format, album);
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}
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/// <summary>
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/// Endpoint getCoverArt personnalisé - proxy les covers externes
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/// </summary>
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[HttpGet, HttpPost]
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[Route("rest/getCoverArt")]
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[Route("rest/getCoverArt.view")]
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public async Task<IActionResult> GetCoverArt()
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{
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var parameters = await ExtractAllParameters();
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var id = parameters.GetValueOrDefault("id", "");
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if (string.IsNullOrWhiteSpace(id))
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{
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return NotFound();
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}
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var (isExternal, provider, externalId) = _localLibraryService.ParseSongId(id);
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if (!isExternal)
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{
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// Cover local - relayer vers Subsonic
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try
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{
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var result = await RelayToSubsonic("rest/getCoverArt", parameters);
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var contentType = result.ContentType ?? "image/jpeg";
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return File((byte[])result.Body, contentType);
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}
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catch
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{
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return NotFound();
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}
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}
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// Cover externe - récupérer l'URL depuis les métadonnées
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var song = await _metadataService.GetSongAsync(provider!, externalId!);
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if (song?.CoverArtUrl != null)
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{
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// Proxy l'image
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var response = await _httpClient.GetAsync(song.CoverArtUrl);
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if (response.IsSuccessStatusCode)
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{
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var imageBytes = await response.Content.ReadAsByteArrayAsync();
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var contentType = response.Content.Headers.ContentType?.ToString() ?? "image/jpeg";
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return File(imageBytes, contentType);
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}
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}
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return NotFound();
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}
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#region Helper Methods
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private async Task<(byte[]? Body, string? ContentType, bool Success)> RelayToSubsonicSafe(string endpoint, Dictionary<string, string> parameters)
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{
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try
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{
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var result = await RelayToSubsonic(endpoint, parameters);
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return ((byte[])result.Body, result.ContentType, true);
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}
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catch
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{
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return (null, null, false);
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}
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}
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private async Task<IActionResult> RelayStreamToSubsonic(Dictionary<string, string> parameters)
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{
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try
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{
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var query = string.Join("&", parameters.Select(kv => $"{Uri.EscapeDataString(kv.Key)}={Uri.EscapeDataString(kv.Value)}"));
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var url = $"{_subsonicSettings.Url}/rest/stream?{query}";
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var request = new HttpRequestMessage(HttpMethod.Get, url);
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var response = await _httpClient.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, HttpContext.RequestAborted);
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if (!response.IsSuccessStatusCode)
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{
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return StatusCode((int)response.StatusCode);
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}
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var stream = await response.Content.ReadAsStreamAsync();
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var contentType = response.Content.Headers.ContentType?.ToString() ?? "audio/mpeg";
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return File(stream, contentType, enableRangeProcessing: true);
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}
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catch (Exception ex)
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{
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return StatusCode(500, new { error = $"Error streaming from Subsonic: {ex.Message}" });
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}
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}
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private IActionResult MergeSearchResults(
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(byte[]? Body, string? ContentType, bool Success) subsonicResult,
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SearchResult externalResult,
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string format)
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{
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// Parser les résultats Subsonic si disponibles
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var localSongs = new List<object>();
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var localAlbums = new List<object>();
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var localArtists = new List<object>();
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if (subsonicResult.Success && subsonicResult.Body != null)
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{
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try
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{
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var subsonicContent = Encoding.UTF8.GetString(subsonicResult.Body);
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if (format == "json" || subsonicResult.ContentType?.Contains("json") == true)
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{
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// Parser JSON Subsonic
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var jsonDoc = JsonDocument.Parse(subsonicContent);
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if (jsonDoc.RootElement.TryGetProperty("subsonic-response", out var response) &&
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response.TryGetProperty("searchResult3", out var searchResult))
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{
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if (searchResult.TryGetProperty("song", out var songs))
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{
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foreach (var song in songs.EnumerateArray())
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{
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localSongs.Add(ConvertSubsonicJsonElement(song, true));
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}
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}
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if (searchResult.TryGetProperty("album", out var albums))
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{
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foreach (var album in albums.EnumerateArray())
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{
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localAlbums.Add(ConvertSubsonicJsonElement(album, true));
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}
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}
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if (searchResult.TryGetProperty("artist", out var artists))
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{
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foreach (var artist in artists.EnumerateArray())
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{
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localArtists.Add(ConvertSubsonicJsonElement(artist, true));
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}
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}
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}
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}
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else
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{
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// Parser XML Subsonic
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var xmlDoc = XDocument.Parse(subsonicContent);
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var ns = xmlDoc.Root?.GetDefaultNamespace() ?? XNamespace.None;
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var searchResult = xmlDoc.Descendants(ns + "searchResult3").FirstOrDefault();
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if (searchResult != null)
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{
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foreach (var song in searchResult.Elements(ns + "song"))
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{
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localSongs.Add(ConvertSubsonicXmlElement(song, "song"));
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}
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foreach (var album in searchResult.Elements(ns + "album"))
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{
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localAlbums.Add(ConvertSubsonicXmlElement(album, "album"));
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}
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foreach (var artist in searchResult.Elements(ns + "artist"))
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{
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localArtists.Add(ConvertSubsonicXmlElement(artist, "artist"));
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}
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}
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}
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}
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catch (Exception ex)
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{
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// Log l'erreur mais continue avec les résultats externes
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Console.WriteLine($"Error parsing Subsonic response: {ex.Message}");
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}
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}
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// Fusionner: résultats locaux en premier, puis externes
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if (format == "json")
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{
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var mergedSongs = localSongs
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.Concat(externalResult.Songs.Select(s => ConvertSongToSubsonicJson(s)))
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.ToList();
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var mergedAlbums = localAlbums
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.Concat(externalResult.Albums.Select(a => ConvertAlbumToSubsonicJson(a)))
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.ToList();
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var mergedArtists = localArtists
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.Concat(externalResult.Artists.Select(a => ConvertArtistToSubsonicJson(a)))
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.ToList();
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var response = new
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{
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subsonicResponse = new
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{
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status = "ok",
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version = "1.16.1",
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searchResult3 = new
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{
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song = mergedSongs,
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album = mergedAlbums,
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artist = mergedArtists
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}
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}
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};
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return Ok(response);
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}
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else
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{
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// Format XML
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var ns = XNamespace.Get("http://subsonic.org/restapi");
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var searchResult3 = new XElement(ns + "searchResult3");
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// Ajouter les artistes locaux puis externes
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foreach (var artist in localArtists.Cast<XElement>())
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{
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artist.Name = ns + "artist";
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searchResult3.Add(artist);
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}
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foreach (var artist in externalResult.Artists)
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{
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searchResult3.Add(ConvertArtistToSubsonicXml(artist, ns));
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}
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// Ajouter les albums locaux puis externes
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foreach (var album in localAlbums.Cast<XElement>())
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{
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album.Name = ns + "album";
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searchResult3.Add(album);
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}
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foreach (var album in externalResult.Albums)
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{
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searchResult3.Add(ConvertAlbumToSubsonicXml(album, ns));
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}
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// Ajouter les chansons locales puis externes
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foreach (var song in localSongs.Cast<XElement>())
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{
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song.Name = ns + "song";
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searchResult3.Add(song);
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}
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foreach (var song in externalResult.Songs)
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{
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searchResult3.Add(ConvertSongToSubsonicXml(song, ns));
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}
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var doc = new XDocument(
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new XElement(ns + "subsonic-response",
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new XAttribute("status", "ok"),
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new XAttribute("version", "1.16.1"),
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searchResult3
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)
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);
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return Content(doc.ToString(), "application/xml");
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}
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}
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private object ConvertSubsonicJsonElement(JsonElement element, bool isLocal)
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{
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var dict = new Dictionary<string, object>();
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foreach (var prop in element.EnumerateObject())
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{
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dict[prop.Name] = prop.Value.ValueKind switch
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{
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JsonValueKind.String => prop.Value.GetString() ?? "",
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JsonValueKind.Number => prop.Value.TryGetInt32(out var i) ? i : prop.Value.GetDouble(),
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JsonValueKind.True => true,
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JsonValueKind.False => false,
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_ => prop.Value.ToString()
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};
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}
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dict["isExternal"] = !isLocal;
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return dict;
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}
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private XElement ConvertSubsonicXmlElement(XElement element, string type)
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{
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var newElement = new XElement(element);
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newElement.SetAttributeValue("isExternal", "false");
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return newElement;
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}
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private object ConvertSongToSubsonicJson(Song song)
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{
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return new
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{
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id = song.Id,
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title = song.Title,
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album = song.Album,
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artist = song.Artist,
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albumId = song.AlbumId,
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artistId = song.ArtistId,
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duration = song.Duration ?? 0,
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track = song.Track ?? 0,
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year = song.Year ?? 0,
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coverArt = song.Id, // Utilisé pour getCoverArt
|
|
isExternal = !song.IsLocal
|
|
};
|
|
}
|
|
|
|
private object ConvertAlbumToSubsonicJson(Album album)
|
|
{
|
|
return new
|
|
{
|
|
id = album.Id,
|
|
name = album.Title,
|
|
artist = album.Artist,
|
|
artistId = album.ArtistId,
|
|
songCount = album.SongCount ?? 0,
|
|
year = album.Year ?? 0,
|
|
coverArt = album.Id,
|
|
isExternal = !album.IsLocal
|
|
};
|
|
}
|
|
|
|
private object ConvertArtistToSubsonicJson(Artist artist)
|
|
{
|
|
return new
|
|
{
|
|
id = artist.Id,
|
|
name = artist.Name,
|
|
albumCount = artist.AlbumCount ?? 0,
|
|
coverArt = artist.Id,
|
|
isExternal = !artist.IsLocal
|
|
};
|
|
}
|
|
|
|
private XElement ConvertSongToSubsonicXml(Song song, XNamespace ns)
|
|
{
|
|
return new XElement(ns + "song",
|
|
new XAttribute("id", song.Id),
|
|
new XAttribute("title", song.Title),
|
|
new XAttribute("album", song.Album ?? ""),
|
|
new XAttribute("artist", song.Artist ?? ""),
|
|
new XAttribute("duration", song.Duration ?? 0),
|
|
new XAttribute("track", song.Track ?? 0),
|
|
new XAttribute("year", song.Year ?? 0),
|
|
new XAttribute("coverArt", song.Id),
|
|
new XAttribute("isExternal", (!song.IsLocal).ToString().ToLower())
|
|
);
|
|
}
|
|
|
|
private XElement ConvertAlbumToSubsonicXml(Album album, XNamespace ns)
|
|
{
|
|
return new XElement(ns + "album",
|
|
new XAttribute("id", album.Id),
|
|
new XAttribute("name", album.Title),
|
|
new XAttribute("artist", album.Artist ?? ""),
|
|
new XAttribute("songCount", album.SongCount ?? 0),
|
|
new XAttribute("year", album.Year ?? 0),
|
|
new XAttribute("coverArt", album.Id),
|
|
new XAttribute("isExternal", (!album.IsLocal).ToString().ToLower())
|
|
);
|
|
}
|
|
|
|
private XElement ConvertArtistToSubsonicXml(Artist artist, XNamespace ns)
|
|
{
|
|
return new XElement(ns + "artist",
|
|
new XAttribute("id", artist.Id),
|
|
new XAttribute("name", artist.Name),
|
|
new XAttribute("albumCount", artist.AlbumCount ?? 0),
|
|
new XAttribute("coverArt", artist.Id),
|
|
new XAttribute("isExternal", (!artist.IsLocal).ToString().ToLower())
|
|
);
|
|
}
|
|
|
|
private IActionResult CreateSubsonicResponse(string format, string elementName, object data)
|
|
{
|
|
if (format == "json")
|
|
{
|
|
return Ok(new { subsonicResponse = new { status = "ok", version = "1.16.1" } });
|
|
}
|
|
|
|
var ns = XNamespace.Get("http://subsonic.org/restapi");
|
|
var doc = new XDocument(
|
|
new XElement(ns + "subsonic-response",
|
|
new XAttribute("status", "ok"),
|
|
new XAttribute("version", "1.16.1"),
|
|
new XElement(ns + elementName)
|
|
)
|
|
);
|
|
return Content(doc.ToString(), "application/xml");
|
|
}
|
|
|
|
private IActionResult CreateSubsonicError(string format, int code, string message)
|
|
{
|
|
if (format == "json")
|
|
{
|
|
return Ok(new
|
|
{
|
|
subsonicResponse = new
|
|
{
|
|
status = "failed",
|
|
version = "1.16.1",
|
|
error = new { code, message }
|
|
}
|
|
});
|
|
}
|
|
|
|
var ns = XNamespace.Get("http://subsonic.org/restapi");
|
|
var doc = new XDocument(
|
|
new XElement(ns + "subsonic-response",
|
|
new XAttribute("status", "failed"),
|
|
new XAttribute("version", "1.16.1"),
|
|
new XElement(ns + "error",
|
|
new XAttribute("code", code),
|
|
new XAttribute("message", message)
|
|
)
|
|
)
|
|
);
|
|
return Content(doc.ToString(), "application/xml");
|
|
}
|
|
|
|
private IActionResult CreateSubsonicSongResponse(string format, Song song)
|
|
{
|
|
if (format == "json")
|
|
{
|
|
return Ok(new
|
|
{
|
|
subsonicResponse = new
|
|
{
|
|
status = "ok",
|
|
version = "1.16.1",
|
|
song = ConvertSongToSubsonicJson(song)
|
|
}
|
|
});
|
|
}
|
|
|
|
var ns = XNamespace.Get("http://subsonic.org/restapi");
|
|
var doc = new XDocument(
|
|
new XElement(ns + "subsonic-response",
|
|
new XAttribute("status", "ok"),
|
|
new XAttribute("version", "1.16.1"),
|
|
ConvertSongToSubsonicXml(song, ns)
|
|
)
|
|
);
|
|
return Content(doc.ToString(), "application/xml");
|
|
}
|
|
|
|
private IActionResult CreateSubsonicAlbumResponse(string format, Album album)
|
|
{
|
|
if (format == "json")
|
|
{
|
|
return Ok(new
|
|
{
|
|
subsonicResponse = new
|
|
{
|
|
status = "ok",
|
|
version = "1.16.1",
|
|
album = new
|
|
{
|
|
id = album.Id,
|
|
name = album.Title,
|
|
artist = album.Artist,
|
|
artistId = album.ArtistId,
|
|
songCount = album.SongCount ?? 0,
|
|
year = album.Year ?? 0,
|
|
coverArt = album.Id,
|
|
song = album.Songs.Select(s => ConvertSongToSubsonicJson(s)).ToList()
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
var ns = XNamespace.Get("http://subsonic.org/restapi");
|
|
var doc = new XDocument(
|
|
new XElement(ns + "subsonic-response",
|
|
new XAttribute("status", "ok"),
|
|
new XAttribute("version", "1.16.1"),
|
|
new XElement(ns + "album",
|
|
new XAttribute("id", album.Id),
|
|
new XAttribute("name", album.Title),
|
|
new XAttribute("artist", album.Artist ?? ""),
|
|
new XAttribute("songCount", album.SongCount ?? 0),
|
|
new XAttribute("year", album.Year ?? 0),
|
|
new XAttribute("coverArt", album.Id),
|
|
album.Songs.Select(s => ConvertSongToSubsonicXml(s, ns))
|
|
)
|
|
)
|
|
);
|
|
return Content(doc.ToString(), "application/xml");
|
|
}
|
|
|
|
private string GetContentType(string filePath)
|
|
{
|
|
var extension = Path.GetExtension(filePath).ToLowerInvariant();
|
|
return extension switch
|
|
{
|
|
".mp3" => "audio/mpeg",
|
|
".flac" => "audio/flac",
|
|
".ogg" => "audio/ogg",
|
|
".m4a" => "audio/mp4",
|
|
".wav" => "audio/wav",
|
|
".aac" => "audio/aac",
|
|
_ => "audio/mpeg"
|
|
};
|
|
}
|
|
|
|
#endregion
|
|
|
|
// Generic endpoint to handle all subsonic API calls
|
|
[HttpGet, HttpPost]
|
|
[Route("{**endpoint}")]
|
|
public async Task<IActionResult> GenericEndpoint(string endpoint)
|
|
{
|
|
var parameters = await ExtractAllParameters();
|
|
var format = parameters.GetValueOrDefault("f", "xml");
|
|
|
|
try
|
|
{
|
|
var result = await RelayToSubsonic(endpoint, parameters);
|
|
var contentType = result.ContentType ?? $"application/{format}";
|
|
return File((byte[])result.Body, contentType);
|
|
}
|
|
catch (HttpRequestException ex)
|
|
{
|
|
// Return Subsonic-compatible error response
|
|
return CreateSubsonicError(format, 0, $"Error connecting to Subsonic server: {ex.Message}");
|
|
}
|
|
}
|
|
} |