Implemented admin users crud api

Moonlight.ApiServer/Http/Controllers/Admin/Users/UsersController.cs

@@ -0,0 +1,73 @@
+using Microsoft.AspNetCore.Mvc;
+using MoonCore.Exceptions;
+using MoonCore.Extended.Abstractions;
+using MoonCore.Extended.Helpers;
+using MoonCore.Models;
+using Moonlight.ApiServer.Database.Entities;
+using Moonlight.Shared.Http.Requests.Admin.Users;
+
+namespace Moonlight.ApiServer.Http.Controllers.Admin.Users;
+
+[ApiController]
+[Route("api/admin/users")]
+public class UsersController : Controller
+{
+    private readonly CrudHelper<User> CrudHelper;
+    private readonly DatabaseRepository<User> UserRepository;
+
+    public UsersController(CrudHelper<User> crudHelper, DatabaseRepository<User> userRepository)
+    {
+        CrudHelper = crudHelper;
+        UserRepository = userRepository;
+    }
+
+    [HttpGet]
+    public async Task<IPagedData<User>> Get([FromQuery] int page, [FromQuery] int pageSize = 50)
+        => await CrudHelper.Get(page, pageSize);
+
+    [HttpGet("{id}")]
+    public async Task<User> GetSingle(int id)
+        => await CrudHelper.GetSingle(id);
+
+    [HttpPost]
+    public async Task<User> Create([FromBody] CreateUserRequest request)
+    {
+        // Reformat values
+        request.Username = request.Username.ToLower().Trim();
+        request.Email = request.Email.ToLower().Trim();
+        
+        // Check for users with the same values
+        if (UserRepository.Get().Any(x => x.Username == request.Username))
+            throw new HttpApiException("A user with that username already exists", 400);
+        
+        if (UserRepository.Get().Any(x => x.Email == request.Email))
+            throw new HttpApiException("A user with that email address already exists", 400);
+
+        request.Password = HashHelper.Hash(request.Password);
+
+        return await CrudHelper.Create(request);
+    }
+
+    [HttpPatch("{id}")]
+    public async Task<User> Update([FromRoute] int id, [FromBody] UpdateUserRequest request)
+    {
+        var user = await CrudHelper.GetSingle(id);
+        
+        // Reformat values
+        request.Username = request.Username.ToLower().Trim();
+        request.Email = request.Email.ToLower().Trim();
+        
+        // Check for users with the same values
+        if (UserRepository.Get().Any(x => x.Username == request.Username && x.Id != user.Id))
+            throw new HttpApiException("A user with that username already exists", 400);
+        
+        if (UserRepository.Get().Any(x => x.Email == request.Email && x.Id != user.Id))
+            throw new HttpApiException("A user with that email address already exists", 400);
+
+        return await CrudHelper.Update(user, request);
+    }
+
+    [HttpDelete("{id}")]
+    public async Task Delete([FromRoute] int id)
+        => await CrudHelper.Delete(id);
+}