add possible solution for later

Jellyfin.Plugin.Seasonals/ScriptInjector.cs

@@ -13,7 +13,7 @@ public class ScriptInjector
 {
     private readonly IApplicationPaths _appPaths;
     private readonly ILogger<ScriptInjector> _logger;
-    private const string ScriptTag = "<script src=\"Seasonals/Resources/seasonals.js\"></script>";
+    private const string ScriptTag = "<script src=\"/Seasonals/Resources/seasonals.js\"></script>";
     private const string Marker = "</body>";
 
     /// <summary>
@@ -66,6 +66,10 @@ public class ScriptInjector
             File.WriteAllText(indexPath, newContent);
             _logger.LogInformation("Successfully injected Seasonals script into index.html.");
         }
+        catch (UnauthorizedAccessException)
+        {
+            _logger.LogWarning("Permission denied when attempting to inject script into index.html. Automatic injection failed. Please ensure the Jellyfin web directory is writable by the process, or manually add the script tag: {ScriptTag}", ScriptTag);
+        }
         catch (Exception ex)
         {
             _logger.LogError(ex, "Error injecting Seasonals script.");
@@ -104,6 +108,10 @@ public class ScriptInjector
             File.WriteAllText(indexPath, newContent);
             _logger.LogInformation("Successfully removed Seasonals script from index.html.");
         }
+        catch (UnauthorizedAccessException)
+        {
+            _logger.LogWarning("Permission denied when attempting to remove script from index.html.");
+        }
         catch (Exception ex)
         {
             _logger.LogError(ex, "Error removing Seasonals script.");

README.md

@@ -2,7 +2,9 @@
 
 Jellyfin Seasonals is a plugin that adds seasonal themes to your Jellyfin web interface. Depending on the configuration, it automatically selects a theme based on the current date or allows you to manually set a default theme.
 
-This plugin is based on my manual mod (see the `manual` branch), which builds up on the awesome work of [BobHasNoSoul-jellyfin-mods](https://github.com/BobHasNoSoul/jellyfin-mods).
+This plugin is based on my manual mod (see the [legacy branch](https://github.com/CodeDevMLH/Jellyfin-Seasonals/tree/legacy)), which builds up on the awesome work of [BobHasNoSoul-jellyfin-mods](https://github.com/BobHasNoSoul/jellyfin-mods).
+
+![logo](https://raw.githubusercontent.com/CodeDevMLH/Jellyfin-Seasonals/refs/heads/main/logo.png)
 
 ---
 
@@ -13,7 +15,7 @@ This plugin is based on my manual mod (see the `manual` branch), which builds up
   - [Overview](#overview)
   - [Installation](#installation)
   - [Usage](#usage)
-  - [Automatic Selection Dates](#automatic-selection-dates)
+  - [Automatic Theme Selection](#automatic-theme-selection)
   - [Build Process](#build-process)
   - [Contributing](#contributing)
   - [Legacy Manual Installation](#legacy-manual-installation)
@@ -63,18 +65,20 @@ This plugin is based on my manual mod (see the `manual` branch), which builds up
 
 ## Installation
 
+This plugin is based on Jellyfin Version `10.11.x`
+
 To install this plugin, you will first need to add the repository in Jellyfin.
 
 1.  Open your Jellyfin Dashboard.
-2.  Navigate to **Plugins** > **Repositories**.
-3.  Click the **+** sign to add a new repository.
+2.  Navigate to **Plugins** > **Manage Repositories**.
+3.  Click the **+ New Repository** button to add a new repository.
 4.  Enter a name (e.g., "Seasonals") and paste the following URL into the 'Repository URL' field:
    ```bash
-   https://raw.githubusercontent.com/CodeDevMLH/jellyfin-plugin-seasonals/main/manifest.json
+   https://raw.githubusercontent.com/CodeDevMLH/Jellyfin-Seasonals/refs/heads/main/manifest.json
    ```
-5.  Click **Save**.
-6.  Go to the **Catalog** tab at the top.
-7.  Under **General**, find the **Seasonals** plugin.
+5.  Click **Add**.
+6.  Go to the **Available** tab at the top.
+7.  Find the **Seasonals** plugin (Under **General**)
 8.  Click on it and select **Install**.
 9.  **Restart your Jellyfin server.**
 10. **You may need to refresh your browser page** (F5 or Ctrl+R) to see the changes. 
@@ -144,7 +148,7 @@ Feel free to contribute to this project by creating pull requests or reporting i
    <script src="seasonals/seasonals.js"></script>
     ```
 2. **Deploy Files**  
-    Place the seasonals folder (including seasonals.js, CSS, and additional JavaScript files for each theme [this one](https://github.com/CodeDevMLH/Jellyfin-Seasonals/tree/main/seasonals)) inside the Jellyfin web server directory (labeld with "web").
+    Place the seasonals folder (including seasonals.js, CSS, and additional JavaScript files for each theme [this one](https://github.com/CodeDevMLH/Jellyfin-Seasonals/tree/legacy/seasonals)) inside the Jellyfin web server directory (labeld with "web").
 
 3. **Configure Themes**  
     Customize the theme-configs.js file to modify or add new themes. The default configuration is shown below:

feat/Jellyfin.Plugin.Seasonals.csproj

@@ -0,0 +1,34 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <JellyfinVersion>10.11.0</JellyfinVersion>
+    <TargetFramework Condition="$(JellyfinVersion.StartsWith('10.11'))">net9.0</TargetFramework>
+    <TargetFramework Condition="!$(JellyfinVersion.StartsWith('10.11'))">net8.0</TargetFramework>
+    <RootNamespace>Jellyfin.Plugin.Seasonals</RootNamespace>
+    <Nullable>enable</Nullable>
+    <!-- <AnalysisMode>AllEnabledByDefault</AnalysisMode> -->
+    <!-- <CodeAnalysisRuleSet>../jellyfin.ruleset</CodeAnalysisRuleSet> -->
+    <!-- <GenerateDocumentationFile>true</GenerateDocumentationFile> -->
+    <!-- <TreatWarningsAsErrors>false</TreatWarningsAsErrors> -->
+    <Title>Jellyfin Seasonals Plugin</Title>
+    <Authors>CodeDevMLH</Authors>
+    <Version>1.1.0.0</Version>
+    <RepositoryUrl>https://github.com/CodeDevMLH/jellyfin-plugin-seasonals</RepositoryUrl>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Jellyfin.Controller" Version="$(JellyfinVersion)" />
+    <PackageReference Include="Jellyfin.Model" Version="$(JellyfinVersion)" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Remove="Configuration\configPage.html" />
+    <EmbeddedResource Include="Configuration\configPage.html" />
+    <None Remove="Web\**" />
+    <EmbeddedResource Include="Web\**" />
+
+    <None Include="..\README.md" />
+    <None Include="..\logo.png" CopyToOutputDirectory="Always" />
+  </ItemGroup>
+
+</Project>

feat/Plugin.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using Jellyfin.Plugin.Seasonals.Configuration;
+using MediaBrowser.Common.Configuration;
+using MediaBrowser.Common.Plugins;
+using MediaBrowser.Model.Plugins;
+using MediaBrowser.Model.Serialization;
+
+namespace Jellyfin.Plugin.Seasonals;
+
+/// <summary>
+/// The main plugin.
+/// </summary>
+public class Plugin : BasePlugin<PluginConfiguration>, IHasWebPages
+{
+    /// <summary>
+    /// Initializes a new instance of the <see cref="Plugin"/> class.
+    /// </summary>
+    /// <param name="applicationPaths">Instance of the <see cref="IApplicationPaths"/> interface.</param>
+    /// <param name="xmlSerializer">Instance of the <see cref="IXmlSerializer"/> interface.</param>
+    public Plugin(IApplicationPaths applicationPaths, IXmlSerializer xmlSerializer)
+        : base(applicationPaths, xmlSerializer)
+    {
+        Instance = this;
+    }
+
+    /// <inheritdoc />
+    public override string Name => "Seasonals";
+
+    /// <inheritdoc />
+    public override Guid Id => Guid.Parse("ef1e863f-cbb0-4e47-9f23-f0cbb1826ad4");
+
+    /// <summary>
+    /// Gets the current plugin instance.
+    /// </summary>
+    public static Plugin? Instance { get; private set; }
+
+    /// <inheritdoc />
+    public IEnumerable<PluginPageInfo> GetPages()
+    {
+        return
+        [
+            new PluginPageInfo
+            {
+                Name = "seasonals",
+                EmbeddedResourcePath = GetType().Namespace + ".Configuration.configPage.html"
+            }
+        ];
+    }
+}

feat/PluginServiceRegistrator.cs

@@ -0,0 +1,18 @@
+using MediaBrowser.Controller;
+using MediaBrowser.Controller.Plugins;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Jellyfin.Plugin.Seasonals;
+
+/// <summary>
+/// Registers plugin services.
+/// </summary>
+public class PluginServiceRegistrator : IPluginServiceRegistrator
+{
+    /// <inheritdoc />
+    public void RegisterServices(IServiceCollection serviceCollection, IServerApplicationHost applicationHost)
+    {
+        serviceCollection.AddTransient<IStartupFilter, ScriptInjectionStartupFilter>();
+    }
+}

feat/ScriptInjectionMiddleware.cs

@@ -0,0 +1,102 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Logging;
+
+namespace Jellyfin.Plugin.Seasonals;
+
+/// <summary>
+/// Middleware to inject the Seasonals script into the Jellyfin web interface.
+/// </summary>
+public class ScriptInjectionMiddleware
+{
+    private readonly RequestDelegate _next;
+    private readonly ILogger<ScriptInjectionMiddleware> _logger;
+    private const string ScriptTag = "<script src=\"Seasonals/Resources/seasonals.js\"></script>";
+    private const string Marker = "</body>";
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="ScriptInjectionMiddleware"/> class.
+    /// </summary>
+    /// <param name="next">The next delegate in the pipeline.</param>
+    /// <param name="logger">The logger.</param>
+    public ScriptInjectionMiddleware(RequestDelegate next, ILogger<ScriptInjectionMiddleware> logger)
+    {
+        _next = next;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Invokes the middleware.
+    /// </summary>
+    /// <param name="context">The HTTP context.</param>
+    /// <returns>A task representing the asynchronous operation.</returns>
+    public async Task InvokeAsync(HttpContext context)
+    {
+        if (IsIndexRequest(context.Request.Path))
+        {
+            var originalBodyStream = context.Response.Body;
+            using var responseBody = new MemoryStream();
+            context.Response.Body = responseBody;
+
+            try
+            {
+                await _next(context);
+
+                context.Response.Body = originalBodyStream;
+                responseBody.Seek(0, SeekOrigin.Begin);
+
+                if (context.Response.StatusCode == 200 &&
+                    context.Response.ContentType != null &&
+                    context.Response.ContentType.Contains("text/html", StringComparison.OrdinalIgnoreCase))
+                {
+                    using var reader = new StreamReader(responseBody);
+                    var content = await reader.ReadToEndAsync();
+
+                    if (!content.Contains(ScriptTag, StringComparison.Ordinal) && content.Contains(Marker, StringComparison.Ordinal))
+                    {
+                        var newContent = content.Replace(Marker, $"{ScriptTag}\n{Marker}", StringComparison.Ordinal);
+                        var bytes = Encoding.UTF8.GetBytes(newContent);
+                        
+                        context.Response.ContentLength = bytes.Length;
+                        await context.Response.Body.WriteAsync(bytes, 0, bytes.Length);
+                        return;
+                    }
+                }
+
+                responseBody.Seek(0, SeekOrigin.Begin);
+                await responseBody.CopyToAsync(originalBodyStream);
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError(ex, "Error injecting Seasonals script via middleware.");
+                // Ensure we try to write back the original response if something failed
+                if (responseBody.Length > 0 && context.Response.Body == originalBodyStream)
+                {
+                    responseBody.Seek(0, SeekOrigin.Begin);
+                    await responseBody.CopyToAsync(originalBodyStream);
+                }
+            }
+        }
+        else
+        {
+            await _next(context);
+        }
+    }
+
+    private static bool IsIndexRequest(PathString path)
+    {
+        if (!path.HasValue)
+        {
+            return false;
+        }
+
+        var p = path.Value;
+        // Check for root, index.html, or web/index.html
+        return p.Equals("/", StringComparison.OrdinalIgnoreCase) ||
+               p.Equals("/index.html", StringComparison.OrdinalIgnoreCase) ||
+               p.EndsWith("/web/index.html", StringComparison.OrdinalIgnoreCase);
+    }
+}

feat/ScriptInjectionStartupFilter.cs

@@ -0,0 +1,21 @@
+using System;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Hosting;
+
+namespace Jellyfin.Plugin.Seasonals;
+
+/// <summary>
+/// Startup filter to register the ScriptInjectionMiddleware.
+/// </summary>
+public class ScriptInjectionStartupFilter : IStartupFilter
+{
+    /// <inheritdoc />
+    public Action<IApplicationBuilder> Configure(Action<IApplicationBuilder> next)
+    {
+        return builder =>
+        {
+            builder.UseMiddleware<ScriptInjectionMiddleware>();
+            next(builder);
+        };
+    }
+}

manifest-v1.json

@@ -0,0 +1,21 @@
+[
+  {
+    "guid": "ef1e863f-cbb0-4e47-9f23-f0cbb1826ad4",
+    "name": "Seasonals",
+    "description": "Adds seasonal effects like snow, leaves, etc. to the Jellyfin web interface.",
+    "overview": "Seasonal effects for Jellyfin",
+    "owner": "CodeDevMLH",
+    "category": "General",
+    "imageUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/Jellyfin-Seasonals-Plugin/raw/branch/main/logo.png",
+    "versions": [
+      {
+        "version": "1.0.0.0",
+        "changelog": "Initial release",
+        "targetAbi": "10.11.0.0",
+        "sourceUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/Jellyfin-Seasonals-Plugin/releases/download/v1.0.0.0/Jellyfin.Plugin.Seasonals.zip",
+        "checksum": "be6d06a959b3e18e5058a6d8fb6d800c",
+        "timestamp": "2025-12-15T15:33:15Z"
+      }
+    ]
+  }
+]

manifest.json

@@ -6,21 +6,29 @@
     "overview": "Seasonal effects for Jellyfin",
     "owner": "CodeDevMLH",
     "category": "General",
-    "imageUrl": "https://raw.githubusercontent.com/CodeDevMLH/jellyfin-plugin-seasonals/main/icon.png",
+    "imageUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/Jellyfin-Seasonals-Plugin/raw/branch/main/logo.png",
     "versions": [
+      {
+        "version": "1.1.1.0",
+        "changelog": "Bug fixing: Added Advanced Configuration UI for customizing individual seasonal effects.",
+        "targetAbi": "10.11.0.0",
+        "sourceUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/Jellyfin-Seasonals-Plugin/releases/download/v1.1.1.0/Jellyfin.Plugin.Seasonals.zip",
+        "checksum": "f1d7e2b24ad474904fa0eb1749e855b0",
+        "timestamp": "2025-12-16T00:56:08Z"
+      },
       {
         "version": "1.1.0.0",
         "changelog": "Added Advanced Configuration UI for customizing individual seasonal effects.",
         "targetAbi": "10.11.0.0",
-        "sourceUrl": "https://github.com/CodeDevMLH/jellyfin-plugin-seasonals",
-        "checksum": "CHECKSUM_HIER_EINFÜGEN",
-        "timestamp": "2025-12-16T00:00:00Z"
+        "sourceUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/Jellyfin-Seasonals-Plugin/releases/download/v1.1.0.0/Jellyfin.Plugin.Seasonals.zip",
+        "checksum": "efc26cf0d09b313c52c089fc43df12ab",
+        "timestamp": "2025-12-16T00:22:10Z"
       },
       {
         "version": "1.0.0.0",
         "changelog": "Initial release",
         "targetAbi": "10.11.0.0",
-        "sourceUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/Jellyfin-Seasonals-Plugin/raw/branch/main/bin/Publish/Jellyfin.Plugin.Seasonals.zip",
+        "sourceUrl": "https://git.mahom03-spacecloud.de/CodeDevMLH/Jellyfin-Seasonals-Plugin/releases/download/v1.0.0.0/Jellyfin.Plugin.Seasonals.zip",
         "checksum": "be6d06a959b3e18e5058a6d8fb6d800c",
         "timestamp": "2025-12-15T15:33:15Z"
       }