RestaurantSite_API/ProRestaurant/Controllers/Accounts/UserController.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.Transactions;
using Microsoft.AspNetCore.Mvc;
using ProRestaurant.Models.Accounts;
using ProRestaurant.Repository.Accounts;

namespace ProRestaurant.Controllers.Accounts
{
    [Route("api/[controller]")]
    [ApiController]
    public class UserController : ControllerBase
    {
        private readonly IUserRepository repo;
        public UserController(IUserRepository Repo)
        {
            repo = Repo;
        }       

        [HttpGet("GetCustomers")]
        public IActionResult GetCustomers()
        {
            return new OkObjectResult(repo.Get(u => u.SystemRole == Classes.SystemRole.Customer));
        }

        [HttpGet("{id}")]
        public IActionResult Get(int id)
        {
            return new OkObjectResult(repo.GetUser(id));
        }

        [HttpGet("GetUserAddress/{id}")]
        public IActionResult GetUserAddress(int id)
        {
            return new OkObjectResult(repo.GetUserAddress(id));
        }

        [HttpPut]
        public IActionResult Put([FromBody] User user)
        {
            if (user != null)
            {
                using (var scope = new TransactionScope())
                {
                    repo.Update(user);
                    scope.Complete();
                    return new OkResult();
                }
            }
            return new NoContentResult();
        }        
    }
}