Dependency injection with native function didn't work!

[imranshams]

I have a plugin with dependency of another class (For file handling).

This is my code:

            var builder = WebApplication.CreateBuilder(args);


            var env = builder.Environment.EnvironmentName;
            var config = new ConfigurationBuilder()
                    .SetBasePath(Directory.GetCurrentDirectory())
                    .AddJsonFile("appsettings.json", optional: true)
                    .AddJsonFile($"appsettings.{env}.json", optional: true, reloadOnChange: true)
                    .AddCommandLine(args)
                    .Build();

            Console.WriteLine(env);

            // Add services to the container.
            builder.Services.AddRazorPages();

            // Azure OpenAI
            var AzureOpenAIConfig = config.GetRequiredSection("AzureOpenAI").Get<AzureOpenAIConfig>();


            Console.WriteLine(AzureOpenAIConfig.DeploymentName);

            builder.Services.AddAzureOpenAIChatCompletion(
                deploymentName: AzureOpenAIConfig.DeploymentName,
                endpoint: AzureOpenAIConfig.EndPoint,
                apiKey: AzureOpenAIConfig.ApiKey
            );

            builder.Services.AddTransient<IFileManager, FileManager>();

            // Create native plugin collection
            builder.Services.AddTransient((serviceProvider) =>
            {
                KernelPluginCollection pluginCollection = [];
                pluginCollection.AddFromType<MyPlugin>("MyPlugin");

                return pluginCollection;
            });

            // Create the kernel service
            builder.Services.AddTransient<Kernel>((serviceProvider) =>
            {
                KernelPluginCollection pluginCollection = serviceProvider.GetRequiredService<KernelPluginCollection>();

                return new Kernel(serviceProvider, pluginCollection);
            });

            var app = builder.Build();

            public class MyPlugin
                {
                    private readonly IFileManager _fileManager;
                    public ExcelPlugin(IFileManager fileManager)
                    {
                        this._fileManager = fileManager;
                        if (fileManager == null)
                        {
                            Console.WriteLine("FileManager is NULL!!!");
                        }
                    }
               }
                    

I can inject the IFileManager in other classes, but not in my plugin.
How can I solve the issue?

Exception:
InvalidOperationException: Unable to resolve service for type 'IFileManager' while attempting to activate 'WebApp.Plugins.MyPlugin'.

[imranshams]

I found a very dirty solution, it is just working.

So I changed the plugin as below:

public class MyPlugin
{
    private readonly IFileManager _fileManager;
    public ExcelPlugin(IServiceProvider serviceProvider)
    {   
         _fileManager = serviceProvider.GetService<IFileManager>()!;
    }
}

And finally the way which I create the Native Plugin:

// Create native plugin collection
builder.Services.AddTransient((serviceProvider) =>
{
     KernelPluginCollection pluginCollection = [];
     pluginCollection.AddFromObject<MyPlugin>(new MyPlugin(serviceProvider),"MyPlugin");

     return pluginCollection;
});