From 04c0b9d37d4c5bc29c714c999db2bbdfe2d77873 Mon Sep 17 00:00:00 2001
From: Shaun Walker <shaun.walker@siliqon.com>
Date: Tue, 14 Mar 2023 20:37:42 -0400
Subject: [PATCH] add defensive logic to Oqtane.Maui for loading modules which
 have not declared all dependencies

---
 Oqtane.Maui/MauiProgram.cs     | 30 ++++++++++++++++++++++--------
 Oqtane.Maui/Oqtane.Maui.csproj |  2 +-
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/Oqtane.Maui/MauiProgram.cs b/Oqtane.Maui/MauiProgram.cs
index f3bf065a..0c297b0e 100644
--- a/Oqtane.Maui/MauiProgram.cs
+++ b/Oqtane.Maui/MauiProgram.cs
@@ -212,23 +212,37 @@ public static class MauiProgram
     private static void RegisterModuleServices(Assembly assembly, IServiceCollection services)
     {
         // dynamically register module scoped services
-        var implementationTypes = assembly.GetInterfaces<IService>();
-        foreach (var implementationType in implementationTypes)
+        try
         {
-            if (implementationType.AssemblyQualifiedName != null)
+            var implementationTypes = assembly.GetInterfaces<IService>();
+            foreach (var implementationType in implementationTypes)
             {
-                var serviceType = Type.GetType(implementationType.AssemblyQualifiedName.Replace(implementationType.Name, $"I{implementationType.Name}"));
-                services.AddScoped(serviceType ?? implementationType, implementationType);
+                if (implementationType.AssemblyQualifiedName != null)
+                {
+                    var serviceType = Type.GetType(implementationType.AssemblyQualifiedName.Replace(implementationType.Name, $"I{implementationType.Name}"));
+                    services.AddScoped(serviceType ?? implementationType, implementationType);
+                }
             }
         }
+        catch
+        {
+            // could not interrogate assembly - likely missing dependencies
+        }
     }
 
     private static void RegisterClientStartups(Assembly assembly, IServiceCollection services)
     {
-        var startUps = assembly.GetInstances<IClientStartup>();
-        foreach (var startup in startUps)
+        try
         {
-            startup.ConfigureServices(services);
+            var startUps = assembly.GetInstances<IClientStartup>();
+            foreach (var startup in startUps)
+            {
+                startup.ConfigureServices(services);
+            }
+        }
+        catch
+        {
+            // could not interrogate assembly - likely missing dependencies
         }
     }
 }
diff --git a/Oqtane.Maui/Oqtane.Maui.csproj b/Oqtane.Maui/Oqtane.Maui.csproj
index 54a5dc8a..45e07f6c 100644
--- a/Oqtane.Maui/Oqtane.Maui.csproj
+++ b/Oqtane.Maui/Oqtane.Maui.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk.Razor">
 
 	<PropertyGroup>
-		<TargetFrameworks>net6.0-android;net6.0-ios;net6.0-maccatalyst</TargetFrameworks>
 		<TargetFrameworks Condition="$([MSBuild]::IsOSPlatform('windows'))">$(TargetFrameworks);net6.0-windows10.0.19041.0</TargetFrameworks>
 		<!-- Uncomment to also build the tizen app. You will need to install tizen by following this: https://github.com/Samsung/Tizen.NET -->
+    <!-- <TargetFrameworks>net6.0-android;net6.0-ios;net6.0-maccatalyst</TargetFrameworks> -->
 		<!-- <TargetFrameworks>$(TargetFrameworks);net6.0-tizen</TargetFrameworks> -->
 		<OutputType>Exe</OutputType>
     <Version>3.4.1</Version>