refact: Fully refactor the conceptional structure and functional behaviour.

YaeBlog.Core/Services/BlogHostedService.cs

@@ -19,6 +19,4 @@ public class BlogHostedService(
         logger.LogInformation("YaeBlog stopped!\nHave a nice day!");
         return Task.CompletedTask;
     }
-
-
 }

YaeBlog.Core/Services/WebApplicationHostedService.cs

@@ -1,116 +0,0 @@
-using Microsoft.AspNetCore.Builder;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Options;
-using YaeBlog.Core.Models;
-
-namespace YaeBlog.Core.Services;
-
-public class WebApplicationHostedService : IHostedService
-{
-    private readonly WebApplicationBuilder _websiteBuilder = WebApplication.CreateBuilder();
-
-    private readonly List<Action<WebApplication>> _webApplicationConfigurations;
-
-    private readonly IOptions<BlogOptions> _options;
-
-    private Website? _currentWebsite;
-
-    public WebApplicationHostedService(List<Action<WebApplicationBuilder>> webApplicationBuilderConfigurations,
-        List<Action<WebApplication>> webApplicationConfigurations,
-        IServiceProvider hostServiceProvider)
-    {
-        _webApplicationConfigurations = webApplicationConfigurations;
-        _options = hostServiceProvider.GetRequiredService<IOptions<BlogOptions>>();
-
-        foreach (Action<WebApplicationBuilder> configure in webApplicationBuilderConfigurations)
-        {
-            configure(_websiteBuilder);
-        }
-
-        AddHostServices(hostServiceProvider);
-    }
-
-    public async Task BuildWebsite()
-    {
-        if (_currentWebsite is not null)
-        {
-            await _currentWebsite.ShutdownAsync(new CancellationToken());
-        }
-
-        WebApplication application = _websiteBuilder.Build();
-        application.UsePathBase("/" + _options.Value.SubPath);
-        foreach (Action<WebApplication> configure in _webApplicationConfigurations)
-        {
-            configure(application);
-        }
-        IHostLifetime websiteLifetime = application.Services.GetRequiredService<IHostLifetime>();
-        _currentWebsite = new Website(application, websiteLifetime);
-    }
-
-    public Task RunAsync()
-    {
-        if (_currentWebsite is not null)
-        {
-            return _currentWebsite.RunAsync();
-        }
-
-        throw new InvalidOperationException("Website has not been built.");
-    }
-
-    public Task ShutdownAsync()
-    {
-        if (_currentWebsite is { Running: true })
-        {
-            return _currentWebsite.ShutdownAsync(new CancellationToken());
-        }
-
-        throw new InvalidOperationException("Website is not running.");
-    }
-
-    public async Task StartAsync(CancellationToken cancellationToken)
-    {
-        await BuildWebsite();
-        _ = RunAsync();
-    }
-
-    public Task StopAsync(CancellationToken cancellationToken)
-    {
-        if (_currentWebsite is { Running: true })
-        {
-            return _currentWebsite.ShutdownAsync(cancellationToken);
-        }
-
-        return Task.CompletedTask;
-    }
-
-    private void AddHostServices(IServiceProvider provider)
-    {
-        _websiteBuilder.Services.AddSingleton<EssayContentService>(_ =>
-            provider.GetRequiredService<EssayContentService>());
-        _websiteBuilder.Services.AddTransient<BlogOptions>(_ =>
-            provider.GetRequiredService<IOptions<BlogOptions>>().Value);
-    }
-
-
-    private class Website(WebApplication application, IHostLifetime websiteLifetime)
-    {
-        public bool Running { get; private set; }
-
-        public Task RunAsync()
-        {
-            Running = true;
-            return application.RunAsync();
-        }
-
-        public async Task ShutdownAsync(CancellationToken cancellationToken)
-        {
-            if (!Running)
-            {
-                await websiteLifetime.StopAsync(cancellationToken);
-            }
-
-            Running = false;
-        }
-    }
-}