From e39e990696054fb9cd3b88361741b2d52b2da5b2 Mon Sep 17 00:00:00 2001
From: Mark McDowall <mark@mcdowall.ca>
Date: Sat, 26 Oct 2024 20:48:00 -0700
Subject: [PATCH] New: Use instance name in PWA manifest

(cherry picked from commit 1fcfb88d2aa0126c4b3c878c8e310311ea57d04d)

Closes #5203
---
 frontend/src/Content/manifest.json            |  2 +-
 .../Frontend/Mappers/ManifestMapper.cs        | 21 +++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/frontend/src/Content/manifest.json b/frontend/src/Content/manifest.json
index 5c1641d01..5c2b3d59d 100644
--- a/frontend/src/Content/manifest.json
+++ b/frontend/src/Content/manifest.json
@@ -1,5 +1,5 @@
 {
-  "name": "Lidarr",
+  "name": "__INSTANCE_NAME__",
   "icons": [
     {
       "src": "__URL_BASE__/Content/Images/Icons/android-chrome-192x192.png",
diff --git a/src/Lidarr.Http/Frontend/Mappers/ManifestMapper.cs b/src/Lidarr.Http/Frontend/Mappers/ManifestMapper.cs
index 33f673fee..723d7dc2e 100644
--- a/src/Lidarr.Http/Frontend/Mappers/ManifestMapper.cs
+++ b/src/Lidarr.Http/Frontend/Mappers/ManifestMapper.cs
@@ -8,9 +8,14 @@ namespace Lidarr.Http.Frontend.Mappers
 {
     public class ManifestMapper : UrlBaseReplacementResourceMapperBase
     {
+        private readonly IConfigFileProvider _configFileProvider;
+
+        private string _generatedContent;
+
         public ManifestMapper(IAppFolderInfo appFolderInfo, IDiskProvider diskProvider, IConfigFileProvider configFileProvider, Logger logger)
             : base(diskProvider, configFileProvider, logger)
         {
+            _configFileProvider = configFileProvider;
             FilePath = Path.Combine(appFolderInfo.StartUpFolder, configFileProvider.UiFolder, "Content", "manifest.json");
         }
 
@@ -23,5 +28,21 @@ public override bool CanHandle(string resourceUrl)
         {
             return resourceUrl.StartsWith("/Content/manifest");
         }
+
+        protected override string GetFileText()
+        {
+            if (RuntimeInfo.IsProduction && _generatedContent != null)
+            {
+                return _generatedContent;
+            }
+
+            var text = base.GetFileText();
+
+            text = text.Replace("__INSTANCE_NAME__", _configFileProvider.InstanceName);
+
+            _generatedContent = text;
+
+            return _generatedContent;
+        }
     }
 }