Implemented user logout and deletion service. Added Auth, Deletion and Logout hook. Restructed controllers

Moonlight.Api/Http/Controllers/Admin/Users/UserDeletionController.cs

@@ -0,0 +1,56 @@
+using System.Collections.Frozen;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+using Moonlight.Api.Database;
+using Moonlight.Api.Database.Entities;
+using Moonlight.Api.Services;
+using Moonlight.Shared;
+
+namespace Moonlight.Api.Http.Controllers.Admin.Users;
+
+[ApiController]
+[Route("api/admin/users")]
+[Authorize(Policy = Permissions.Users.Delete)]
+public class UserDeletionController : Controller
+{
+    private readonly UserDeletionService UserDeletionService;
+    private readonly DatabaseRepository<User> Repository;
+
+    public UserDeletionController(UserDeletionService userDeletionService, DatabaseRepository<User> repository)
+    {
+        UserDeletionService = userDeletionService;
+        Repository = repository;
+    }
+
+    [HttpDelete("{id:int}")]
+    public async Task<ActionResult> DeleteAsync([FromRoute] int id)
+    {
+        var userExists = await Repository
+            .Query()
+            .AnyAsync(user => user.Id == id);
+
+        if (!userExists)
+            return Problem("No user with this id found", statusCode: 404);
+
+        var validationResult = await UserDeletionService.ValidateAsync(id);
+
+        if (!validationResult.IsValid)
+        {
+            return ValidationProblem(
+                new ValidationProblemDetails(
+                    new Dictionary<string, string[]>()
+                    {
+                        {
+                            string.Empty,
+                            validationResult.ErrorMessages.ToArray()
+                        }
+                    }
+                )
+            );
+        }
+        
+        await UserDeletionService.DeleteAsync(id);
+        return NoContent();
+    }
+}