Avoid Exceptions when AppConfigPath does not exist (#1218)

Author: FrankBakkerNl

src/AppModel/NetDaemon.AppModel.SourceDeployedApps/Compiler/SyntaxTreeResolver.cs

@@ -1,23 +1,19 @@
 using Microsoft.CodeAnalysis;
 using Microsoft.CodeAnalysis.CSharp;
 using Microsoft.CodeAnalysis.Text;
+using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 
 namespace NetDaemon.AppModel.Internal.Compiler;
 
-internal class SyntaxTreeResolver : ISyntaxTreeResolver
+internal class SyntaxTreeResolver(IOptions<AppConfigurationLocationSetting> settings, ILogger<SyntaxTreeResolver> logger) : ISyntaxTreeResolver
 {
-    private readonly AppConfigurationLocationSetting _settings;
-
-    public SyntaxTreeResolver(
-        IOptions<AppConfigurationLocationSetting> settings
-    )
-    {
-        _settings = settings.Value;
-    }
+    private readonly AppConfigurationLocationSetting _settings = settings.Value;
 
     public IReadOnlyCollection<SyntaxTree> GetSyntaxTrees()
     {
+        logger.LogDebug("Loading applications from folder {Path}", _settings.ApplicationConfigurationFolder);
+
         var fullPath = Path.GetFullPath(_settings.ApplicationConfigurationFolder);
         // Get the paths for all .cs files recursively in app folder
         var csFiles = Directory.EnumerateFiles(

src/AppModel/NetDaemon.AppModel/Common/Extensions/IConfigurationBuilderExtensions.cs

@@ -16,9 +16,12 @@ public static class ConfigurationBuilderExtensions
     /// <param name="appConfigPath">Path to the folder containing configurations</param>
     public static IConfigurationBuilder AddJsonAppConfig(this IConfigurationBuilder builder, string appConfigPath)
     {
-        Directory.EnumerateFiles(appConfigPath, "*.json", SearchOption.AllDirectories)
-            .ToList()
-            .ForEach(x => builder.AddJsonFile(x, false, false));
+        if (Directory.Exists(appConfigPath))
+        {
+            Directory.EnumerateFiles(appConfigPath, "*.json", SearchOption.AllDirectories)
+                .ToList()
+                .ForEach(x => builder.AddJsonFile(x, false, false));
+        }
         return builder;
     }
 
@@ -29,9 +32,12 @@ public static IConfigurationBuilder AddJsonAppConfig(this IConfigurationBuilder
     /// <param name="appConfigPath">Path to the folder containing configurations</param>
     public static IConfigurationBuilder AddYamlAppConfig(this IConfigurationBuilder builder, string appConfigPath)
     {
-        Directory.EnumerateFiles(appConfigPath, "*.y*", SearchOption.AllDirectories)
-            .ToList()
-            .ForEach(x => builder.AddYamlFile(x, false, false));
+        if (Directory.Exists(appConfigPath))
+        {
+            Directory.EnumerateFiles(appConfigPath, "*.y*", SearchOption.AllDirectories)
+                .ToList()
+                .ForEach(x => builder.AddYamlFile(x, false, false));
+        }
         return builder;
     }
 

src/Runtime/NetDaemon.Runtime/Internal/NetDaemonRuntime.cs

@@ -1,13 +1,11 @@
 using System.Reactive.Linq;
-using System.Reflection;
 using NetDaemon.AppModel;
 using NetDaemon.HassModel;
 
 namespace NetDaemon.Runtime.Internal;
 
 internal class NetDaemonRuntime(IHomeAssistantRunner homeAssistantRunner,
         IOptions<HomeAssistantSettings> settings,
-        IOptions<AppConfigurationLocationSetting> locationSettings,
         IServiceProvider serviceProvider,
         ILogger<NetDaemonRuntime> logger,
         ICacheManager cacheManager)
@@ -115,13 +113,6 @@ private async Task LoadNewAppContextAsync(IHomeAssistantConnection haConnection,
         var appModel = serviceProvider.GetService<IAppModel>();
         if (appModel == null) return;
 
-        // this logging is a bit weird in this class
-        if (!string.IsNullOrEmpty(locationSettings.Value.ApplicationConfigurationFolder))
-            logger.LogDebug("Loading applications from folder {Path}",
-                Path.GetFullPath(locationSettings.Value.ApplicationConfigurationFolder));
-        else
-            logger.LogDebug("Loading applications with no configuration folder");
-
         _applicationModelContext = await appModel.LoadNewApplicationContext(CancellationToken.None).ConfigureAwait(false);
 
         // Handle state change for apps if registered