Use TV guide for livestreams

.gitignore

@@ -3,3 +3,4 @@ obj/
 .vs/
 .idea/
 artifacts
+*.log

Jellyfin.Plugin.SRFPlay/Api/Models/PlayV3/PlayV3TvProgramGuideResponse.cs

@@ -1,16 +0,0 @@
-using System.Collections.Generic;
-using System.Text.Json.Serialization;
-
-namespace Jellyfin.Plugin.SRFPlay.Api.Models.PlayV3;
-
-/// <summary>
-/// TV Program Guide response from Play v3 API.
-/// </summary>
-public class PlayV3TvProgramGuideResponse
-{
-    /// <summary>
-    /// Gets the list of TV program entries.
-    /// </summary>
-    [JsonPropertyName("data")]
-    public IReadOnlyList<PlayV3TvProgram>? Data { get; init; }
-}

Jellyfin.Plugin.SRFPlay/Channels/SRFPlayChannel.cs

@@ -2,13 +2,13 @@ using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
-using System.Security.Cryptography;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Plugin.SRFPlay.Api;
 using Jellyfin.Plugin.SRFPlay.Constants;
 using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
+using Jellyfin.Plugin.SRFPlay.Utilities;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Channels;
 using MediaBrowser.Controller.Providers;
@@ -81,7 +81,7 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
     /// <inheritdoc />
     public InternalChannelFeatures GetChannelFeatures()
     {
-        _logger.LogInformation("=== GetChannelFeatures called for SRF Play channel ===");
+        _logger.LogDebug("GetChannelFeatures called");
 
         return new InternalChannelFeatures
         {
@@ -127,12 +127,12 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
     /// <inheritdoc />
     public async Task<ChannelItemResult> GetChannelItems(InternalChannelItemQuery query, CancellationToken cancellationToken)
     {
-        _logger.LogInformation("=== GetChannelItems called! FolderId: {FolderId} ===", query.FolderId);
+        _logger.LogDebug("GetChannelItems called for folder {FolderId}", query.FolderId);
 
         try
         {
             var items = await GetFolderItemsAsync(query.FolderId, cancellationToken).ConfigureAwait(false);
-            _logger.LogInformation("Returning {Count} channel items for folder {FolderId}", items.Count, query.FolderId);
+            _logger.LogDebug("Returning {Count} channel items for folder {FolderId}", items.Count, query.FolderId);
 
             return new ChannelItemResult
             {
@@ -393,8 +393,14 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
         var enabledTopics = config?.EnabledTopics != null && config.EnabledTopics.Count > 0
             ? string.Join(",", config.EnabledTopics)
             : "all";
-        var date = DateTime.Now.ToString("yyyy-MM-dd", CultureInfo.InvariantCulture);
+
-        return $"{config?.BusinessUnit}_{config?.EnableLatestContent}_{config?.EnableTrendingContent}_{config?.EnableCategoryFolders}_{enabledTopics}_{date}";
+        // Use 15-minute time buckets for cache key so live content refreshes frequently
+        // This ensures livestream folders update as programs start/end throughout the day
+        var now = DateTime.Now;
+        var timeBucket = new DateTime(now.Year, now.Month, now.Day, now.Hour, (now.Minute / 15) * 15, 0);
+        var timeKey = timeBucket.ToString("yyyy-MM-dd-HH-mm", CultureInfo.InvariantCulture);
+
+        return $"{config?.BusinessUnit}_{config?.EnableLatestContent}_{config?.EnableTrendingContent}_{config?.EnableCategoryFolders}_{enabledTopics}_{timeKey}";
     }
 
     private async Task<List<ChannelItemInfo>> ConvertUrnsToChannelItems(List<string> urns, CancellationToken cancellationToken)
@@ -449,7 +455,7 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
                 }
 
                 // Generate deterministic GUID from URN
-                var itemId = UrnToGuid(urn);
+                var itemId = UrnHelper.ToGuid(urn);
 
                 // Use factory to create MediaSourceInfo (handles stream URL, auth, proxy registration)
                 var mediaSource = await _mediaSourceFactory.CreateMediaSourceAsync(
@@ -557,25 +563,6 @@ public class SRFPlayChannel : IChannel, IHasCacheKey
         return items;
     }
 
-    /// <summary>
-    /// Generates a deterministic GUID from a URN.
-    /// This ensures the same URN always produces the same GUID.
-    /// MD5 is used for non-cryptographic purposes only (generating IDs).
-    /// </summary>
-    /// <param name="urn">The URN to convert.</param>
-    /// <returns>A deterministic GUID.</returns>
-#pragma warning disable CA5351 // MD5 is used for non-cryptographic purposes (ID generation)
-    private static string UrnToGuid(string urn)
-    {
-        // Use MD5 to generate a deterministic hash from the URN
-        var hash = MD5.HashData(Encoding.UTF8.GetBytes(urn));
-
-        // Convert the first 16 bytes to a GUID
-        var guid = new Guid(hash);
-        return guid.ToString();
-    }
-#pragma warning restore CA5351
-
     /// <summary>
     /// Creates a proxy URL for an image to fix Content-Type headers from SRF CDN.
     /// </summary>

Jellyfin.Plugin.SRFPlay/Controllers/StreamProxyController.cs

@@ -5,6 +5,7 @@ using System.Net.Http.Headers;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
+using Jellyfin.Plugin.SRFPlay.Utilities;
 using MediaBrowser.Common.Net;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
@@ -242,7 +243,7 @@ public class StreamProxyController : ControllerBase
             }
 
             // Determine content type based on file extension
-            var contentType = GetContentType(segmentPath);
+            var contentType = MimeTypeHelper.GetSegmentContentType(segmentPath);
 
             _logger.LogDebug("Returning segment {SegmentPath} ({Length} bytes, {ContentType})", segmentPath, segmentData.Length, contentType);
             return File(segmentData, contentType);
@@ -382,32 +383,6 @@ public class StreamProxyController : ControllerBase
         return result.ToString();
     }
 
-    /// <summary>
-    /// Gets the content type for a segment based on file extension.
-    /// </summary>
-    /// <param name="path">The segment path.</param>
-    /// <returns>The MIME content type.</returns>
-    private static string GetContentType(string path)
-    {
-        if (path.EndsWith(".ts", StringComparison.OrdinalIgnoreCase))
-        {
-            return "video/MP2T";
-        }
-
-        if (path.EndsWith(".mp4", StringComparison.OrdinalIgnoreCase) ||
-            path.EndsWith(".m4s", StringComparison.OrdinalIgnoreCase))
-        {
-            return "video/mp4";
-        }
-
-        if (path.EndsWith(".aac", StringComparison.OrdinalIgnoreCase))
-        {
-            return "audio/aac";
-        }
-
-        return "application/octet-stream";
-    }
-
     /// <summary>
     /// Proxies image requests from SRF CDN, fixing Content-Type headers.
     /// </summary>
@@ -471,7 +446,7 @@ public class StreamProxyController : ControllerBase
                 .ConfigureAwait(false);
 
             // Determine correct content type
-            var contentType = GetImageContentType(decodedUrl);
+            var contentType = MimeTypeHelper.GetImageContentType(decodedUrl);
 
             _logger.LogDebug(
                 "Returning proxied image ({Length} bytes, {ContentType})",
@@ -486,38 +461,4 @@ public class StreamProxyController : ControllerBase
             return StatusCode(StatusCodes.Status502BadGateway);
         }
     }
-
-    /// <summary>
-    /// Gets the content type for an image based on URL or file extension.
-    /// </summary>
-    /// <param name="url">The image URL.</param>
-    /// <returns>The MIME content type.</returns>
-    private static string GetImageContentType(string url)
-    {
-        if (string.IsNullOrEmpty(url))
-        {
-            return "image/jpeg";
-        }
-
-        var uri = new Uri(url);
-        var path = uri.AbsolutePath.ToLowerInvariant();
-
-        if (path.EndsWith(".png", StringComparison.Ordinal))
-        {
-            return "image/png";
-        }
-
-        if (path.EndsWith(".gif", StringComparison.Ordinal))
-        {
-            return "image/gif";
-        }
-
-        if (path.EndsWith(".webp", StringComparison.Ordinal))
-        {
-            return "image/webp";
-        }
-
-        // Default to JPEG for SRF images (most common)
-        return "image/jpeg";
-    }
 }

Jellyfin.Plugin.SRFPlay/LiveTv/SRFLiveTvService.cs

@@ -0,0 +1,390 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using Jellyfin.Plugin.SRFPlay.Api;
+using Jellyfin.Plugin.SRFPlay.Api.Models;
+using Jellyfin.Plugin.SRFPlay.Configuration;
+using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
+using Jellyfin.Plugin.SRFPlay.Utilities;
+using MediaBrowser.Controller.LiveTv;
+using MediaBrowser.Model.Dto;
+using MediaBrowser.Model.LiveTv;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Plugin.SRFPlay.LiveTv;
+
+/// <summary>
+/// Live TV service providing virtual channels for SRF scheduled livestreams.
+/// </summary>
+public class SRFLiveTvService : ILiveTvService
+{
+    private readonly ILogger<SRFLiveTvService> _logger;
+    private readonly ISRFApiClientFactory _apiClientFactory;
+    private readonly IStreamUrlResolver _streamResolver;
+    private readonly IMediaSourceFactory _mediaSourceFactory;
+
+    // Virtual channel definitions
+    private static readonly VirtualChannel[] VirtualChannels = new[]
+    {
+        new VirtualChannel("srf-sport", "SRF Sport", "SPORT", "Live sports events from SRF"),
+        new VirtualChannel("srf-events", "SRF Events", "EVENT", "Special events and broadcasts from SRF")
+    };
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="SRFLiveTvService"/> class.
+    /// </summary>
+    /// <param name="logger">The logger.</param>
+    /// <param name="apiClientFactory">The API client factory.</param>
+    /// <param name="streamResolver">The stream URL resolver.</param>
+    /// <param name="mediaSourceFactory">The media source factory.</param>
+    public SRFLiveTvService(
+        ILogger<SRFLiveTvService> logger,
+        ISRFApiClientFactory apiClientFactory,
+        IStreamUrlResolver streamResolver,
+        IMediaSourceFactory mediaSourceFactory)
+    {
+        _logger = logger;
+        _apiClientFactory = apiClientFactory;
+        _streamResolver = streamResolver;
+        _mediaSourceFactory = mediaSourceFactory;
+    }
+
+    /// <inheritdoc />
+    public string Name => "SRF Play Live";
+
+    /// <inheritdoc />
+    public string HomePageUrl => "https://www.srf.ch/play";
+
+    /// <inheritdoc />
+    public async Task<IEnumerable<ChannelInfo>> GetChannelsAsync(CancellationToken cancellationToken)
+    {
+        _logger.LogInformation("GetChannelsAsync called - returning {Count} virtual channels", VirtualChannels.Length);
+
+        var channels = new List<ChannelInfo>();
+
+        foreach (var vc in VirtualChannels)
+        {
+            channels.Add(new ChannelInfo
+            {
+                Id = vc.Id,
+                Name = vc.Name,
+                Number = vc.Id, // Use ID as channel number
+                ImageUrl = null, // Could add SRF logo here
+                ChannelType = ChannelType.TV
+            });
+        }
+
+        return await Task.FromResult(channels).ConfigureAwait(false);
+    }
+
+    /// <inheritdoc />
+    public async Task<IEnumerable<ProgramInfo>> GetProgramsAsync(string channelId, DateTime startDateUtc, DateTime endDateUtc, CancellationToken cancellationToken)
+    {
+        _logger.LogInformation(
+            "GetProgramsAsync called for channel {ChannelId} from {Start} to {End}",
+            channelId,
+            startDateUtc,
+            endDateUtc);
+
+        var programs = new List<ProgramInfo>();
+        var virtualChannel = VirtualChannels.FirstOrDefault(c => c.Id == channelId);
+
+        if (virtualChannel == null)
+        {
+            _logger.LogWarning("Unknown channel ID: {ChannelId}", channelId);
+            return programs;
+        }
+
+        try
+        {
+            var config = Plugin.Instance?.Configuration;
+            var businessUnit = config?.BusinessUnit.ToString().ToLowerInvariant() ?? "srf";
+
+            using var apiClient = _apiClientFactory.CreateClient();
+            var scheduledLivestreams = await apiClient.GetScheduledLivestreamsAsync(
+                businessUnit,
+                virtualChannel.MediaType,
+                cancellationToken).ConfigureAwait(false);
+
+            if (scheduledLivestreams == null)
+            {
+                _logger.LogWarning("No scheduled livestreams returned for channel {ChannelId}", channelId);
+                return programs;
+            }
+
+            // Filter to events within the requested date range
+            var eventsInRange = scheduledLivestreams
+                .Where(e => e.Urn != null &&
+                           !string.IsNullOrEmpty(e.Title) &&
+                           e.ValidFrom != null &&
+                           e.ValidFrom.Value.ToUniversalTime() >= startDateUtc.AddHours(-3) && // Include events that started recently
+                           e.ValidFrom.Value.ToUniversalTime() <= endDateUtc)
+                .OrderBy(e => e.ValidFrom)
+                .ToList();
+
+            _logger.LogInformation(
+                "Found {Count} scheduled events for channel {ChannelId} in date range",
+                eventsInRange.Count,
+                channelId);
+
+            foreach (var evt in eventsInRange)
+            {
+                if (evt.Urn == null || evt.ValidFrom == null)
+                {
+                    continue;
+                }
+
+                var startTime = evt.ValidFrom.Value.ToUniversalTime();
+                var endTime = evt.ValidTo?.ToUniversalTime() ?? startTime.AddHours(2); // Default 2h duration
+
+                programs.Add(new ProgramInfo
+                {
+                    Id = UrnHelper.ToGuid(evt.Urn),
+                    ChannelId = channelId,
+                    Name = evt.Title,
+                    Overview = evt.Description ?? evt.Lead,
+                    StartDate = startTime,
+                    EndDate = endTime,
+                    ImageUrl = evt.ImageUrl,
+                    IsLive = true,
+                    IsPremiere = false,
+                    IsRepeat = false,
+                    // Store URN in external IDs for later retrieval
+                    EpisodeTitle = evt.Urn // Hack: Store URN here for stream lookup
+                });
+            }
+
+            // If no events, add an "Off Air" placeholder
+            if (programs.Count == 0)
+            {
+                programs.Add(new ProgramInfo
+                {
+                    Id = $"{channelId}-offair-{startDateUtc:yyyyMMdd}",
+                    ChannelId = channelId,
+                    Name = "No Scheduled Events",
+                    Overview = "There are no scheduled livestreams at this time. Check back later for upcoming events.",
+                    StartDate = startDateUtc,
+                    EndDate = endDateUtc,
+                    IsLive = false
+                });
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error fetching programs for channel {ChannelId}", channelId);
+        }
+
+        return programs;
+    }
+
+    /// <inheritdoc />
+    public async Task<MediaSourceInfo> GetChannelStream(string channelId, string streamId, CancellationToken cancellationToken)
+    {
+        _logger.LogInformation(
+            "GetChannelStream called for channel {ChannelId}, stream {StreamId}",
+            channelId,
+            streamId ?? "(null)");
+
+        // Find what's currently live on this channel
+        var now = DateTime.UtcNow;
+        var programs = await GetProgramsAsync(channelId, now.AddHours(-1), now.AddHours(1), cancellationToken).ConfigureAwait(false);
+
+        var currentProgram = programs
+            .Where(p => p.StartDate <= now && p.EndDate >= now && !string.IsNullOrEmpty(p.EpisodeTitle))
+            .FirstOrDefault();
+
+        if (currentProgram == null || string.IsNullOrEmpty(currentProgram.EpisodeTitle))
+        {
+            // Find the next upcoming program to show a helpful message
+            var nextProgram = programs
+                .Where(p => p.StartDate > now && !string.IsNullOrEmpty(p.EpisodeTitle))
+                .OrderBy(p => p.StartDate)
+                .FirstOrDefault();
+
+            string message;
+            if (nextProgram != null)
+            {
+                var timeUntil = nextProgram.StartDate - now;
+                var timeStr = timeUntil.TotalHours >= 1
+                    ? $"{(int)timeUntil.TotalHours}h {timeUntil.Minutes}m"
+                    : $"{timeUntil.Minutes}m";
+
+                message = $"No live content right now. Next: \"{nextProgram.Name}\" starts in {timeStr}";
+                _logger.LogInformation(
+                    "No live program on channel {ChannelId}. Next program: {NextProgram} at {StartTime}",
+                    channelId,
+                    nextProgram.Name,
+                    nextProgram.StartDate);
+            }
+            else
+            {
+                message = "No live content available on this channel right now. Check back later for scheduled events.";
+                _logger.LogWarning("No live or upcoming programs found for channel {ChannelId}", channelId);
+            }
+
+            throw new InvalidOperationException(message);
+        }
+
+        var urn = currentProgram.EpisodeTitle; // We stored URN in EpisodeTitle
+        _logger.LogInformation("Found live program: {Title} (URN: {Urn})", currentProgram.Name, urn);
+
+        // Fetch media composition and create media source
+        using var apiClient = _apiClientFactory.CreateClient();
+        var mediaComposition = await apiClient.GetMediaCompositionByUrnAsync(urn, cancellationToken).ConfigureAwait(false);
+
+        if (mediaComposition?.ChapterList == null || mediaComposition.ChapterList.Count == 0)
+        {
+            throw new InvalidOperationException($"Could not fetch stream for URN: {urn}");
+        }
+
+        var chapter = mediaComposition.ChapterList[0];
+        var config = Plugin.Instance?.Configuration ?? new PluginConfiguration();
+
+        // Use channelId as base for MediaSourceInfo.Id
+        // This ensures Jellyfin can find the MediaSource during transcoding/playback
+        // The channelId is Jellyfin's internal ID for our virtual channel
+        var urnGuid = UrnHelper.ToGuid(urn);
+        var mediaSourceId = $"{channelId}_{urnGuid}";
+
+        _logger.LogInformation(
+            "Creating MediaSource with ID: {MediaSourceId} (channelId={ChannelId}, urnGuid={UrnGuid})",
+            mediaSourceId,
+            channelId,
+            urnGuid);
+
+        var mediaSource = await _mediaSourceFactory.CreateMediaSourceAsync(
+            chapter,
+            mediaSourceId,
+            urn,
+            config.QualityPreference,
+            cancellationToken).ConfigureAwait(false);
+
+        if (mediaSource == null)
+        {
+            throw new InvalidOperationException($"Could not create media source for URN: {urn}");
+        }
+
+        return mediaSource;
+    }
+
+    /// <inheritdoc />
+    public Task<List<MediaSourceInfo>> GetChannelStreamMediaSources(string channelId, CancellationToken cancellationToken)
+    {
+        _logger.LogDebug("GetChannelStreamMediaSources called for {ChannelId}", channelId);
+        // Return empty - Jellyfin will call GetChannelStream instead
+        return Task.FromResult(new List<MediaSourceInfo>());
+    }
+
+    /// <inheritdoc />
+    public Task CloseLiveStream(string id, CancellationToken cancellationToken)
+    {
+        _logger.LogDebug("CloseLiveStream called for {Id}", id);
+        return Task.CompletedTask;
+    }
+
+    /// <inheritdoc />
+    public Task ResetTuner(string id, CancellationToken cancellationToken)
+    {
+        _logger.LogDebug("ResetTuner called for {Id}", id);
+        return Task.CompletedTask;
+    }
+
+    // Timer/Recording methods - Not supported (return empty/throw)
+
+    /// <inheritdoc />
+    public Task<IEnumerable<TimerInfo>> GetTimersAsync(CancellationToken cancellationToken)
+    {
+        return Task.FromResult(Enumerable.Empty<TimerInfo>());
+    }
+
+    /// <inheritdoc />
+    public Task<SeriesTimerInfo> GetNewTimerDefaultsAsync(CancellationToken cancellationToken, ProgramInfo? program = null)
+    {
+        return Task.FromResult(new SeriesTimerInfo());
+    }
+
+    /// <inheritdoc />
+    public Task<IEnumerable<SeriesTimerInfo>> GetSeriesTimersAsync(CancellationToken cancellationToken)
+    {
+        return Task.FromResult(Enumerable.Empty<SeriesTimerInfo>());
+    }
+
+    /// <inheritdoc />
+    public Task CreateTimerAsync(TimerInfo info, CancellationToken cancellationToken)
+    {
+        throw new NotSupportedException("Recording is not supported by SRF Play");
+    }
+
+    /// <inheritdoc />
+    public Task CreateSeriesTimerAsync(SeriesTimerInfo info, CancellationToken cancellationToken)
+    {
+        throw new NotSupportedException("Recording is not supported by SRF Play");
+    }
+
+    /// <inheritdoc />
+    public Task UpdateTimerAsync(TimerInfo updatedTimer, CancellationToken cancellationToken)
+    {
+        throw new NotSupportedException("Recording is not supported by SRF Play");
+    }
+
+    /// <inheritdoc />
+    public Task UpdateSeriesTimerAsync(SeriesTimerInfo info, CancellationToken cancellationToken)
+    {
+        throw new NotSupportedException("Recording is not supported by SRF Play");
+    }
+
+    /// <inheritdoc />
+    public Task CancelTimerAsync(string timerId, CancellationToken cancellationToken)
+    {
+        throw new NotSupportedException("Recording is not supported by SRF Play");
+    }
+
+    /// <inheritdoc />
+    public Task CancelSeriesTimerAsync(string timerId, CancellationToken cancellationToken)
+    {
+        throw new NotSupportedException("Recording is not supported by SRF Play");
+    }
+
+    /// <summary>
+    /// Represents a virtual channel definition.
+    /// </summary>
+    private sealed class VirtualChannel
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="VirtualChannel"/> class.
+        /// </summary>
+        /// <param name="id">The channel ID.</param>
+        /// <param name="name">The channel name.</param>
+        /// <param name="mediaType">The media type filter for the API.</param>
+        /// <param name="description">The channel description.</param>
+        public VirtualChannel(string id, string name, string mediaType, string description)
+        {
+            Id = id;
+            Name = name;
+            MediaType = mediaType;
+            Description = description;
+        }
+
+        /// <summary>
+        /// Gets the channel ID.
+        /// </summary>
+        public string Id { get; }
+
+        /// <summary>
+        /// Gets the channel name.
+        /// </summary>
+        public string Name { get; }
+
+        /// <summary>
+        /// Gets the media type filter for the API.
+        /// </summary>
+        public string MediaType { get; }
+
+        /// <summary>
+        /// Gets the channel description.
+        /// </summary>
+        public string Description { get; }
+    }
+}

Jellyfin.Plugin.SRFPlay/Providers/SRFEpisodeProvider.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
@@ -19,22 +18,18 @@ namespace Jellyfin.Plugin.SRFPlay.Providers;
 public class SRFEpisodeProvider : IRemoteMetadataProvider<Episode, EpisodeInfo>
 {
     private readonly ILogger<SRFEpisodeProvider> _logger;
-    private readonly IHttpClientFactory _httpClientFactory;
     private readonly IMediaCompositionFetcher _compositionFetcher;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="SRFEpisodeProvider"/> class.
     /// </summary>
-    /// <param name="loggerFactory">The logger factory.</param>
+    /// <param name="logger">The logger.</param>
-    /// <param name="httpClientFactory">The HTTP client factory.</param>
     /// <param name="compositionFetcher">The media composition fetcher.</param>
     public SRFEpisodeProvider(
-        ILoggerFactory loggerFactory,
+        ILogger<SRFEpisodeProvider> logger,
-        IHttpClientFactory httpClientFactory,
         IMediaCompositionFetcher compositionFetcher)
     {
-        _logger = loggerFactory.CreateLogger<SRFEpisodeProvider>();
+        _logger = logger;
-        _httpClientFactory = httpClientFactory;
         _compositionFetcher = compositionFetcher;
     }
 

Jellyfin.Plugin.SRFPlay/Providers/SRFImageProvider.cs

@@ -5,6 +5,7 @@ using System.Net.Http.Headers;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
+using Jellyfin.Plugin.SRFPlay.Utilities;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Entities;
 using MediaBrowser.Controller.Providers;
@@ -186,7 +187,7 @@ public class SRFImageProvider : IRemoteImageProvider, IHasOrder
             if (needsContentTypeFix)
             {
                 // Determine correct content type from URL extension or default to JPEG
-                var contentType = GetContentTypeFromUrl(url);
+                var contentType = MimeTypeHelper.GetImageContentType(url);
                 if (!string.IsNullOrEmpty(contentType))
                 {
                     _logger.LogInformation(
@@ -201,42 +202,4 @@ public class SRFImageProvider : IRemoteImageProvider, IHasOrder
 
         return response;
     }
-
-    /// <summary>
-    /// Determines the correct content type based on URL file extension.
-    /// </summary>
-    private static string? GetContentTypeFromUrl(string url)
-    {
-        if (string.IsNullOrEmpty(url))
-        {
-            return null;
-        }
-
-        // Get the file extension from the URL (ignore query string)
-        var uri = new Uri(url);
-        var path = uri.AbsolutePath.ToLowerInvariant();
-
-        if (path.EndsWith(".jpg", StringComparison.Ordinal) || path.EndsWith(".jpeg", StringComparison.Ordinal))
-        {
-            return "image/jpeg";
-        }
-
-        if (path.EndsWith(".png", StringComparison.Ordinal))
-        {
-            return "image/png";
-        }
-
-        if (path.EndsWith(".gif", StringComparison.Ordinal))
-        {
-            return "image/gif";
-        }
-
-        if (path.EndsWith(".webp", StringComparison.Ordinal))
-        {
-            return "image/webp";
-        }
-
-        // Default to JPEG for SRF images (most common)
-        return "image/jpeg";
-    }
 }

Jellyfin.Plugin.SRFPlay/Providers/SRFSeriesProvider.cs

@@ -1,13 +1,11 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
 using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
 using MediaBrowser.Controller.Entities.TV;
 using MediaBrowser.Controller.Providers;
-using MediaBrowser.Model.Entities;
 using MediaBrowser.Model.Providers;
 using Microsoft.Extensions.Logging;
 
@@ -19,22 +17,18 @@ namespace Jellyfin.Plugin.SRFPlay.Providers;
 public class SRFSeriesProvider : IRemoteMetadataProvider<Series, SeriesInfo>
 {
     private readonly ILogger<SRFSeriesProvider> _logger;
-    private readonly IHttpClientFactory _httpClientFactory;
     private readonly IMediaCompositionFetcher _compositionFetcher;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="SRFSeriesProvider"/> class.
     /// </summary>
-    /// <param name="loggerFactory">The logger factory.</param>
+    /// <param name="logger">The logger.</param>
-    /// <param name="httpClientFactory">The HTTP client factory.</param>
     /// <param name="compositionFetcher">The media composition fetcher.</param>
     public SRFSeriesProvider(
-        ILoggerFactory loggerFactory,
+        ILogger<SRFSeriesProvider> logger,
-        IHttpClientFactory httpClientFactory,
         IMediaCompositionFetcher compositionFetcher)
     {
-        _logger = loggerFactory.CreateLogger<SRFSeriesProvider>();
+        _logger = logger;
-        _httpClientFactory = httpClientFactory;
         _compositionFetcher = compositionFetcher;
     }
 

Jellyfin.Plugin.SRFPlay/ScheduledTasks/ExpirationCheckTask.cs

@@ -15,18 +15,22 @@ public class ExpirationCheckTask : IScheduledTask
 {
     private readonly ILogger<ExpirationCheckTask> _logger;
     private readonly IContentExpirationService _expirationService;
+    private readonly IStreamProxyService _streamProxyService;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="ExpirationCheckTask"/> class.
     /// </summary>
     /// <param name="logger">The logger instance.</param>
     /// <param name="expirationService">The content expiration service.</param>
+    /// <param name="streamProxyService">The stream proxy service.</param>
     public ExpirationCheckTask(
         ILogger<ExpirationCheckTask> logger,
-        IContentExpirationService expirationService)
+        IContentExpirationService expirationService,
+        IStreamProxyService streamProxyService)
     {
         _logger = logger;
         _expirationService = expirationService;
+        _streamProxyService = streamProxyService;
     }
 
     /// <inheritdoc />
@@ -77,6 +81,10 @@ public class ExpirationCheckTask : IScheduledTask
             progress?.Report(50);
             var removedCount = await _expirationService.CheckAndRemoveExpiredContentAsync(cancellationToken).ConfigureAwait(false);
 
+            // Clean up old stream proxy mappings
+            progress?.Report(75);
+            _streamProxyService.CleanupOldMappings();
+
             progress?.Report(100);
             _logger.LogInformation("SRF Play expiration check task completed. Removed {Count} expired items", removedCount);
         }

Jellyfin.Plugin.SRFPlay/ServiceRegistrator.cs

@@ -1,11 +1,13 @@
 using Jellyfin.Plugin.SRFPlay.Api;
 using Jellyfin.Plugin.SRFPlay.Channels;
+using Jellyfin.Plugin.SRFPlay.LiveTv;
 using Jellyfin.Plugin.SRFPlay.Providers;
 using Jellyfin.Plugin.SRFPlay.ScheduledTasks;
 using Jellyfin.Plugin.SRFPlay.Services;
 using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Channels;
+using MediaBrowser.Controller.LiveTv;
 using MediaBrowser.Controller.Plugins;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.DependencyInjection;
@@ -47,5 +49,8 @@ public class ServiceRegistrator : IPluginServiceRegistrator
 
         // Register channel - must register as IChannel interface for Jellyfin to discover it
         serviceCollection.AddSingleton<IChannel, SRFPlayChannel>();
+
+        // Register Live TV service - provides virtual channels for scheduled livestreams
+        serviceCollection.AddSingleton<ILiveTvService, SRFLiveTvService>();
     }
 }

Jellyfin.Plugin.SRFPlay/Services/CategoryService.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
@@ -16,8 +15,8 @@ namespace Jellyfin.Plugin.SRFPlay.Services;
 /// </summary>
 public class CategoryService : ICategoryService
 {
-    private readonly ILogger _logger;
+    private readonly ILogger<CategoryService> _logger;
-    private readonly ILoggerFactory _loggerFactory;
+    private readonly ISRFApiClientFactory _apiClientFactory;
     private readonly TimeSpan _topicsCacheDuration = TimeSpan.FromHours(24);
     private Dictionary<string, PlayV3Topic>? _topicsCache;
     private DateTime _topicsCacheExpiry = DateTime.MinValue;
@@ -25,19 +24,15 @@ public class CategoryService : ICategoryService
     /// <summary>
     /// Initializes a new instance of the <see cref="CategoryService"/> class.
     /// </summary>
-    /// <param name="loggerFactory">The logger factory.</param>
+    /// <param name="logger">The logger.</param>
-    public CategoryService(ILoggerFactory loggerFactory)
+    /// <param name="apiClientFactory">The API client factory.</param>
+    public CategoryService(ILogger<CategoryService> logger, ISRFApiClientFactory apiClientFactory)
     {
-        _loggerFactory = loggerFactory;
+        _logger = logger;
-        _logger = loggerFactory.CreateLogger<CategoryService>();
+        _apiClientFactory = apiClientFactory;
     }
 
-    /// <summary>
+    /// <inheritdoc />
-    /// Gets all topics for a business unit.
-    /// </summary>
-    /// <param name="businessUnit">The business unit.</param>
-    /// <param name="cancellationToken">The cancellation token.</param>
-    /// <returns>List of topics.</returns>
     public async Task<List<PlayV3Topic>> GetTopicsAsync(string businessUnit, CancellationToken cancellationToken = default)
     {
         // Return cached topics if still valid
@@ -48,7 +43,7 @@ public class CategoryService : ICategoryService
         }
 
         _logger.LogInformation("Fetching topics for business unit: {BusinessUnit}", businessUnit);
-        using var apiClient = new SRFApiClient(_loggerFactory);
+        using var apiClient = _apiClientFactory.CreateClient();
         var topics = await apiClient.GetAllTopicsAsync(businessUnit, cancellationToken).ConfigureAwait(false);
 
         if (topics != null && topics.Count > 0)
@@ -65,13 +60,7 @@ public class CategoryService : ICategoryService
         return topics ?? new List<PlayV3Topic>();
     }
 
-    /// <summary>
+    /// <inheritdoc />
-    /// Gets a topic by ID.
-    /// </summary>
-    /// <param name="topicId">The topic ID.</param>
-    /// <param name="businessUnit">The business unit.</param>
-    /// <param name="cancellationToken">The cancellation token.</param>
-    /// <returns>The topic, or null if not found.</returns>
     public async Task<PlayV3Topic?> GetTopicByIdAsync(string topicId, string businessUnit, CancellationToken cancellationToken = default)
     {
         // Ensure topics are loaded
@@ -83,70 +72,14 @@ public class CategoryService : ICategoryService
         return _topicsCache?.GetValueOrDefault(topicId);
     }
 
-    /// <summary>
+    /// <inheritdoc />
-    /// Filters shows by topic ID.
-    /// </summary>
-    /// <param name="shows">The shows to filter.</param>
-    /// <param name="topicId">The topic ID to filter by.</param>
-    /// <returns>Filtered list of shows.</returns>
-    public IReadOnlyList<PlayV3Show> FilterShowsByTopic(IReadOnlyList<PlayV3Show> shows, string topicId)
-    {
-        if (string.IsNullOrEmpty(topicId))
-        {
-            return shows;
-        }
-
-        return shows
-            .Where(s => s.TopicList != null && s.TopicList.Contains(topicId))
-            .ToList();
-    }
-
-    /// <summary>
-    /// Groups shows by their topics.
-    /// </summary>
-    /// <param name="shows">The shows to group.</param>
-    /// <returns>Dictionary mapping topic IDs to shows.</returns>
-    public IReadOnlyDictionary<string, List<PlayV3Show>> GroupShowsByTopics(IReadOnlyList<PlayV3Show> shows)
-    {
-        var groupedShows = new Dictionary<string, List<PlayV3Show>>();
-
-        foreach (var show in shows)
-        {
-            if (show.TopicList == null || show.TopicList.Count == 0)
-            {
-                continue;
-            }
-
-            foreach (var topicId in show.TopicList)
-            {
-                if (!groupedShows.TryGetValue(topicId, out var showList))
-                {
-                    showList = new List<PlayV3Show>();
-                    groupedShows[topicId] = showList;
-                }
-
-                showList.Add(show);
-            }
-        }
-
-        return groupedShows;
-    }
-
-    /// <summary>
-    /// Gets shows for a specific topic, sorted by number of episodes.
-    /// </summary>
-    /// <param name="topicId">The topic ID.</param>
-    /// <param name="businessUnit">The business unit.</param>
-    /// <param name="maxResults">Maximum number of results to return.</param>
-    /// <param name="cancellationToken">The cancellation token.</param>
-    /// <returns>List of shows for the topic.</returns>
     public async Task<List<PlayV3Show>> GetShowsByTopicAsync(
         string topicId,
         string businessUnit,
         int maxResults = 50,
         CancellationToken cancellationToken = default)
     {
-        using var apiClient = new SRFApiClient(_loggerFactory);
+        using var apiClient = _apiClientFactory.CreateClient();
         var allShows = await apiClient.GetAllShowsAsync(businessUnit, cancellationToken).ConfigureAwait(false);
 
         if (allShows == null || allShows.Count == 0)
@@ -165,43 +98,29 @@ public class CategoryService : ICategoryService
         return filteredShows;
     }
 
-    /// <summary>
+    /// <inheritdoc />
-    /// Gets video count for each topic.
-    /// </summary>
-    /// <param name="shows">The shows to analyze.</param>
-    /// <returns>Dictionary mapping topic IDs to video counts.</returns>
-    public IReadOnlyDictionary<string, int> GetVideoCountByTopic(IReadOnlyList<PlayV3Show> shows)
-    {
-        var topicCounts = new Dictionary<string, int>();
-
-        foreach (var show in shows)
-        {
-            if (show.TopicList == null || show.TopicList.Count == 0)
-            {
-                continue;
-            }
-
-            foreach (var topicId in show.TopicList)
-            {
-                if (!topicCounts.TryGetValue(topicId, out var count))
-                {
-                    count = 0;
-                }
-
-                topicCounts[topicId] = count + show.NumberOfEpisodes;
-            }
-        }
-
-        return topicCounts;
-    }
-
-    /// <summary>
-    /// Clears the topics cache.
-    /// </summary>
     public void ClearCache()
     {
         _topicsCache = null;
         _topicsCacheExpiry = DateTime.MinValue;
         _logger.LogInformation("Topics cache cleared");
     }
+
+    /// <summary>
+    /// Filters shows by topic ID.
+    /// </summary>
+    /// <param name="shows">The shows to filter.</param>
+    /// <param name="topicId">The topic ID to filter by.</param>
+    /// <returns>Filtered list of shows.</returns>
+    private static IReadOnlyList<PlayV3Show> FilterShowsByTopic(IReadOnlyList<PlayV3Show> shows, string topicId)
+    {
+        if (string.IsNullOrEmpty(topicId))
+        {
+            return shows;
+        }
+
+        return shows
+            .Where(s => s.TopicList != null && s.TopicList.Contains(topicId))
+            .ToList();
+    }
 }

Jellyfin.Plugin.SRFPlay/Services/Interfaces/ICategoryService.cs

@@ -27,21 +27,6 @@ public interface ICategoryService
     /// <returns>The topic, or null if not found.</returns>
     Task<PlayV3Topic?> GetTopicByIdAsync(string topicId, string businessUnit, CancellationToken cancellationToken = default);
 
-    /// <summary>
-    /// Filters shows by topic ID.
-    /// </summary>
-    /// <param name="shows">The shows to filter.</param>
-    /// <param name="topicId">The topic ID to filter by.</param>
-    /// <returns>Filtered list of shows.</returns>
-    IReadOnlyList<PlayV3Show> FilterShowsByTopic(IReadOnlyList<PlayV3Show> shows, string topicId);
-
-    /// <summary>
-    /// Groups shows by their topics.
-    /// </summary>
-    /// <param name="shows">The shows to group.</param>
-    /// <returns>Dictionary mapping topic IDs to shows.</returns>
-    IReadOnlyDictionary<string, List<PlayV3Show>> GroupShowsByTopics(IReadOnlyList<PlayV3Show> shows);
-
     /// <summary>
     /// Gets shows for a specific topic, sorted by number of episodes.
     /// </summary>
@@ -56,13 +41,6 @@ public interface ICategoryService
         int maxResults = 50,
         CancellationToken cancellationToken = default);
 
-    /// <summary>
-    /// Gets video count for each topic.
-    /// </summary>
-    /// <param name="shows">The shows to analyze.</param>
-    /// <returns>Dictionary mapping topic IDs to video counts.</returns>
-    IReadOnlyDictionary<string, int> GetVideoCountByTopic(IReadOnlyList<PlayV3Show> shows);
-
     /// <summary>
     /// Clears the topics cache.
     /// </summary>

Jellyfin.Plugin.SRFPlay/Services/StreamProxyService.cs

@@ -73,7 +73,7 @@ public class StreamProxyService : IStreamProxyService
 
         if (tokenExpiry.HasValue)
         {
-            _logger.LogInformation(
+            _logger.LogDebug(
                 "Registered stream for item {ItemId} (token expires at {ExpiresAt} UTC): {Url}",
                 itemId,
                 tokenExpiry.Value,
@@ -81,7 +81,7 @@ public class StreamProxyService : IStreamProxyService
         }
         else
         {
-            _logger.LogInformation("Registered stream for item {ItemId}: {Url}", itemId, authenticatedUrl);
+            _logger.LogDebug("Registered stream for item {ItemId}: {Url}", itemId, authenticatedUrl);
         }
     }
 
@@ -219,6 +219,50 @@ public class StreamProxyService : IStreamProxyService
             }
         }
 
+        // Fallback: Live TV channelId_guid format lookup
+        // For Live TV streams, itemId format is "channelId_urnGuid"
+        // Try matching by suffix (urnGuid part) or prefix (channelId part)
+        if (itemId.Contains('_', StringComparison.Ordinal))
+        {
+            var parts = itemId.Split('_', 2);
+            var prefix = parts[0]; // channelId part
+            var suffix = parts.Length > 1 ? parts[1] : null; // urnGuid part
+
+            foreach (var kvp in _streamMappings)
+            {
+                // Check if registered key contains the same suffix (urnGuid)
+                if (suffix != null && kvp.Key.Contains(suffix, StringComparison.OrdinalIgnoreCase))
+                {
+                    _logger.LogInformation(
+                        "Found stream by Live TV suffix match - Requested: {RequestedId}, Registered: {RegisteredId}",
+                        itemId,
+                        kvp.Key);
+                    var url = await ValidateAndReturnStreamAsync(kvp.Key, kvp.Value, cancellationToken).ConfigureAwait(false);
+                    if (url != null)
+                    {
+                        // Also register with the requested itemId for future lookups
+                        _streamMappings.AddOrUpdate(itemId, kvp.Value, (key, old) => kvp.Value);
+                        return url;
+                    }
+                }
+
+                // Check if registered key starts with the same prefix (channelId)
+                if (kvp.Key.StartsWith(prefix + "_", StringComparison.OrdinalIgnoreCase))
+                {
+                    _logger.LogInformation(
+                        "Found stream by Live TV prefix match - Requested: {RequestedId}, Registered: {RegisteredId}",
+                        itemId,
+                        kvp.Key);
+                    var url = await ValidateAndReturnStreamAsync(kvp.Key, kvp.Value, cancellationToken).ConfigureAwait(false);
+                    if (url != null)
+                    {
+                        _streamMappings.AddOrUpdate(itemId, kvp.Value, (key, old) => kvp.Value);
+                        return url;
+                    }
+                }
+            }
+        }
+
         // Last resort: Use active stream fallbacks (helps when Jellyfin creates random transcoding session IDs)
         var activeStreams = _streamMappings.Where(kvp =>
         {

Jellyfin.Plugin.SRFPlay/Services/StreamUrlResolver.cs

@@ -142,8 +142,8 @@ public class StreamUrlResolver : IStreamUrlResolver
 
         if (selectedResource != null)
         {
-            _logger.LogInformation(
+            _logger.LogDebug(
-                "✅ Selected stream for chapter {ChapterId}: Quality={Quality}, Protocol={Protocol}, URL={Url}",
+                "Selected stream for chapter {ChapterId}: Quality={Quality}, Protocol={Protocol}, URL={Url}",
                 chapter.Id,
                 selectedResource.Quality ?? "NULL",
                 selectedResource.Protocol,

Jellyfin.Plugin.SRFPlay/Utilities/Extensions.cs

@@ -0,0 +1,41 @@
+using Jellyfin.Plugin.SRFPlay.Configuration;
+using MediaBrowser.Controller.Entities;
+
+namespace Jellyfin.Plugin.SRFPlay.Utilities;
+
+/// <summary>
+/// Extension methods for common plugin operations.
+/// </summary>
+public static class Extensions
+{
+    /// <summary>
+    /// Gets the SRF URN from the item's provider IDs.
+    /// </summary>
+    /// <param name="item">The base item.</param>
+    /// <returns>The SRF URN, or null if not found or empty.</returns>
+    public static string? GetSrfUrn(this BaseItem item)
+    {
+        return item.ProviderIds.TryGetValue("SRF", out var urn) && !string.IsNullOrEmpty(urn)
+            ? urn
+            : null;
+    }
+
+    /// <summary>
+    /// Converts the BusinessUnit enum to its lowercase string representation.
+    /// </summary>
+    /// <param name="businessUnit">The business unit.</param>
+    /// <returns>The lowercase string representation.</returns>
+    public static string ToLowerString(this BusinessUnit businessUnit)
+    {
+        return businessUnit.ToString().ToLowerInvariant();
+    }
+
+    /// <summary>
+    /// Gets the plugin configuration safely, returning null if not available.
+    /// </summary>
+    /// <returns>The plugin configuration, or null if not available.</returns>
+    public static PluginConfiguration? GetPluginConfig()
+    {
+        return Plugin.Instance?.Configuration;
+    }
+}

Jellyfin.Plugin.SRFPlay/Utilities/MimeTypeHelper.cs

@@ -0,0 +1,74 @@
+using System;
+
+namespace Jellyfin.Plugin.SRFPlay.Utilities;
+
+/// <summary>
+/// Helper class for determining MIME content types.
+/// </summary>
+public static class MimeTypeHelper
+{
+    /// <summary>
+    /// Gets the MIME content type for an image based on URL or file extension.
+    /// </summary>
+    /// <param name="url">The image URL.</param>
+    /// <returns>The MIME content type, defaulting to "image/jpeg" for SRF images.</returns>
+    public static string GetImageContentType(string? url)
+    {
+        if (string.IsNullOrEmpty(url))
+        {
+            return "image/jpeg";
+        }
+
+        var uri = new Uri(url);
+        var path = uri.AbsolutePath.ToLowerInvariant();
+
+        if (path.EndsWith(".png", StringComparison.Ordinal))
+        {
+            return "image/png";
+        }
+
+        if (path.EndsWith(".gif", StringComparison.Ordinal))
+        {
+            return "image/gif";
+        }
+
+        if (path.EndsWith(".webp", StringComparison.Ordinal))
+        {
+            return "image/webp";
+        }
+
+        if (path.EndsWith(".jpg", StringComparison.Ordinal) || path.EndsWith(".jpeg", StringComparison.Ordinal))
+        {
+            return "image/jpeg";
+        }
+
+        // Default to JPEG for SRF images (most common)
+        return "image/jpeg";
+    }
+
+    /// <summary>
+    /// Gets the MIME content type for a media segment based on file extension.
+    /// </summary>
+    /// <param name="path">The segment path or filename.</param>
+    /// <returns>The MIME content type.</returns>
+    public static string GetSegmentContentType(string path)
+    {
+        if (path.EndsWith(".ts", StringComparison.OrdinalIgnoreCase))
+        {
+            return "video/MP2T";
+        }
+
+        if (path.EndsWith(".mp4", StringComparison.OrdinalIgnoreCase) ||
+            path.EndsWith(".m4s", StringComparison.OrdinalIgnoreCase))
+        {
+            return "video/mp4";
+        }
+
+        if (path.EndsWith(".aac", StringComparison.OrdinalIgnoreCase))
+        {
+            return "audio/aac";
+        }
+
+        return "application/octet-stream";
+    }
+}

Jellyfin.Plugin.SRFPlay/Utilities/UrnHelper.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Jellyfin.Plugin.SRFPlay.Utilities;
+
+/// <summary>
+/// Helper class for URN-related operations.
+/// </summary>
+public static class UrnHelper
+{
+    /// <summary>
+    /// Generates a deterministic GUID from a URN.
+    /// This ensures the same URN always produces the same GUID.
+    /// MD5 is used for non-cryptographic purposes only (generating stable IDs).
+    /// </summary>
+    /// <param name="urn">The URN to convert.</param>
+    /// <returns>A deterministic GUID string.</returns>
+#pragma warning disable CA5351 // MD5 is used for non-cryptographic purposes (ID generation)
+    public static string ToGuid(string urn)
+    {
+        var hash = MD5.HashData(Encoding.UTF8.GetBytes(urn));
+        var guid = new Guid(hash);
+        return guid.ToString();
+    }
+#pragma warning restore CA5351
+}