new edit shift

@page
@using Newtonsoft.Json.Serialization
@model Platibus.Web.Pages.Booking.Booking_EditShiftModel

@{
    ViewData["Title"] = "User Index";
}




<div class="row justify-content-lg-center">
    <div class="col-lg-10">
        <div class="box">
            <div class="box-header with-border">
                <h3 class="box-title text-primary"><i class="fas fa-user"></i>  Administrative Page</h3>
                <div class="box-tools pull-right">
                    <button type="button" class="btn btn-box-tool" data-widget="collapse" data-toggle="tooltip"
                            title="Collapse">
                        <i class="fa fa-minus"></i>
                    </button>
                    <button type="button" class="btn btn-box-tool" data-widget="remove" data-toggle="tooltip" title="Remove">
                        <i class="fa fa-times"></i>
                    </button>
                </div>
            </div>
            <div class="box-body center-admin">


                <!-- Content -->

                <div class="row justify-content-center">
                    <div class="col-md-4 center-div">
                        <form method="post">
                            <div class="form-group">
                                <label asp-for="shift.ShiftStart" class="control-label"></label>
                                <input asp-for="shift.ShiftStart" class="form-control" />

                            </div>
                            <div class="form-group">
                                <label asp-for="shift.ShiftEnd" class="control-label"></label>
                                <input asp-for="shift.ShiftEnd" class="form-control" />
                            </div>
                            <div class="form-group">
                                <label  class="control-label">Add a employee to the shift</label> <br></br>
                                @Html.DropDownListFor(model => model.user.Id, Model.UserList, "Empty Shift")
                            </div>
                            <div class="form-group">
                                <input type="hidden" asp-for="shift.id"/>
                                <label>Update User</label>
                                <button type="submit" asp-page-handler="UpdateShiftWithUser" class="far fa-check-square fa-4x"></button>
                            </div>

                            <div class="form-group">
                                <input type="hidden" asp-for="shift.id"/>
                                <label>Delete</label>
                                <button type="submit" asp-page-handler="DeleteShift" class="fas fa-ban fa-4x"></button>
                            </div>
                        </form>
                    </div>
                </div>
                <!-- End content -->
            </div>
        </div>
    </div>
</div>










using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.Mvc.Rendering;
using Platibus.Web.Acquaintance.IDataServices;
using Platibus.Web.DataServices.Models.Shift;
using Platibus.Web.DataServices.Models.User;
using Platibus.Web.DataServices.Models.WorkSchedule;
using Platibus.Web.Helpers;

namespace Platibus.Web.Pages.Booking
{
    public class Booking_EditShiftModel : PageModel
    {
        private readonly IShiftDataService _shiftDataService;
        private readonly IUserDataService _userDataService;

        [BindProperty]
        public Shift shift { get; set; }

        [BindProperty]
        public User user { get; set; }

        [BindProperty]
        public List<SelectListItem> UserList { get; set; }

        private List<User> Employees;

        public Booking_EditShiftModel(IShiftDataService shiftDataService , IUserDataService userDataService)
        {
            _shiftDataService = shiftDataService;
            _userDataService = userDataService;
            UserList = new List<SelectListItem>();
            shift = new Shift();
            Employees = new List<User>();
        }


        public async Task OnGetAsync(Guid id)
        {
            if (id.Equals(Guid.Empty))
            {
                // do error stuff
            }

            shift.id = id;
            // get shift
            shift = await _shiftDataService.GetShiftById(id);
            var users = await _userDataService.ListUsersAsync(2, 2);


            foreach (var VARIABLE in users)
            {
                if (VARIABLE.AccessLevel.Equals(UserRoles.Employee))
                {
                    Employees.Add(VARIABLE);
                }
            }


            UserList = Employees.Select(x => new SelectListItem()
            {
                Text = x.Name,
                Value = x.Id.ToString()
            }).ToList();
        }


        public async Task<IActionResult> OnPostUpdateShiftWithUserAsync(User user , Shift shift)
        {
            if (shift.ShiftStart == null)
            {
                return null; // More check and redirect to error page
            }

            //shift.EmployeeOnShift = user.Id;
            var shiftWithEmployee = new UpdateShiftModel()
            {
                EmployeeId = user.Id,
                ShiftId = shift.id,
                ShiftStart = shift.ShiftStart,
                ShiftEnd = shift.ShiftEnd
            };

            var result = await _shiftDataService.UpdateShift(shiftWithEmployee);
            return RedirectToPage("/Booking/Booking_index");
        }

        public async Task<IActionResult> OnPostDeleteShiftAsync(Shift shift)
        {
            var result = await _shiftDataService.DeleteShiftById(shift.id);

            return RedirectToPage("/Booking/Booking_Index");
        }
    }
}




                                <a asp-page="./Booking_EditShift" asp-route-id="@shift.Id" >
                                    <i class="fa fa-edit fa-2x padding-5"></i>
                                </a>
                                <form method="post">
                                    <button  asp-page-handler="DeleteShift" type="submit" name="ShiftId" value="@shift.Id" class="fa fa-trash fa-2x padding-5"></button>
                                </form>