Auto type init, async/lazy loading

1 files changed, 40 insertions, 0 deletions

diff --git a/lib/VNLib.Plugins.Extensions.Loading/src/ConfigurationExtensions.cs b/lib/VNLib.Plugins.Extensions.Loading/src/ConfigurationExtensions.cs
index 190c153..fbe8d48 100644
--- a/lib/VNLib.Plugins.Extensions.Loading/src/ConfigurationExtensions.cs
+++ b/lib/VNLib.Plugins.Extensions.Loading/src/ConfigurationExtensions.cs
@@ -23,11 +23,14 @@
 */
 
 using System;
+using System.IO;
 using System.Text.Json;
 using System.Reflection;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 
+using VNLib.Utils.Extensions;
+
 namespace VNLib.Plugins.Extensions.Loading
 {
     /// <summary>
@@ -66,6 +69,9 @@ namespace VNLib.Plugins.Extensions.Loading
     {
         public const string S3_CONFIG = "s3_config";
         public const string S3_SECRET_KEY = "s3_secret";
+        public const string PLUGIN_ASSET_KEY = "assets";
+        public const string PLUGINS_HOST_KEY = "plugins";
+        public const string PLUGIN_PATH_KEY = "path";
 
         /// <summary>
         /// Retrieves a top level configuration dictionary of elements for the specified type.
@@ -356,5 +362,39 @@ namespace VNLib.Plugins.Extensions.Loading
             IConfigScope? s3conf = plugin.TryGetConfig(S3_CONFIG);
             return s3conf?.Deserialze<S3Config>();
         }
+
+        /// <summary>
+        /// Trys to get the optional assets directory from the plugin configuration
+        /// </summary>
+        /// <param name="plugin"></param>
+        /// <returns>The absolute path to the assets directory if defined, null otherwise</returns>
+        public static string? GetAssetsPath(this PluginBase plugin)
+        { 
+            //Get global plugin config element
+            IConfigScope config = plugin.GetConfig(PLUGINS_HOST_KEY);
+
+            //Try to get the assets path if its defined
+            string? assetsPath = config.GetPropString(PLUGIN_ASSET_KEY);
+
+            //Try to get the full path for the assets if we can
+            return assetsPath != null ? Path.GetFullPath(assetsPath) : null;
+        }
+
+        /// <summary>
+        /// Gets the absolute path to the plugins directory as defined in the host configuration
+        /// </summary>
+        /// <param name="plugin"></param>
+        /// <returns>The absolute path to the directory containing all plugins</returns>
+        public static string GetPluginsPath(this PluginBase plugin)
+        {
+            //Get global plugin config element
+            IConfigScope config = plugin.GetConfig(PLUGINS_HOST_KEY);
+
+            //Get the plugins path or throw because it should ALWAYS be defined if this method is called
+            string pluginsPath = config[PLUGIN_PATH_KEY].GetString()!;
+
+            //Get absolute path
+            return Path.GetFullPath(pluginsPath);
+        }
     }
 }