Grid inline editing conditional

@{ var grid = "DinnersGrid2"; }
@Html.InitDeletePopupForGrid(grid, "GridInlineEditDemo")

<div class="bar">
    @Html.InlineCreateButtonForGrid(grid, new { DispOrganic = "" })
</div>

@{
    var isAdmin = false;
}
@(Html.Awe().Grid(grid)
      .Mod(o => o.PageInfo().InlineEdit(Url.Action("Save")))
      .Url(Url.Action("GridGetItems"))
      .Height(350)
      .Resizable()
      .Columns(
          new Column { Bind = "Id", Width = 75 }.Mod(o => o.InlineId()),
          new Column { Bind = "Name" }.Mod(o => o.Inline(Html.Awe().TextBox("Name"))),

          new Column { Bind = "Date", Width = 170 }
            .Mod(o => o.InlineFunc("dateCond")
                .Inline("<input type='hidden' name='Date' value='#Value'/>#Value")
                .Inline(Html.Awe().DatePicker("Date"))),

          new Column { Bind = "Chef.FirstName,Chef.LastName", ClientFormat = ".(ChefName)", Header = "Chef", MinWidth = 200 }
            .Mod(o => o.Inline(Html.Awe().Lookup("Chef").Controller("ChefLookup"), "ChefId")),

          new Column { ClientFormat = ".(Meals)", Header = "Meals", MinWidth = 200, Grow = 2}
          .Mod(o => o.Inline(
              Html.Awe().AjaxCheckboxList("Meals")
                  .Url(Url.Action("GetMealsImg", "Data"))
                  .Multiselect(), "MealsIds")),

          new Column { Bind = "BonusMeal.Name", ClientFormat = ".(BonusMeal)", Header = "Bonus Meal" }
            .Mod(o => o.Inline(
                Html.Awe().AjaxRadioList("BonusMealId")
                    .Url(Url.Action("GetMealsImg", "Data"))
                    .Odropdown(), "BonusMealId")),

          new Column { Bind = "Organic", Width = 100, ClientFormat = ".(DispOrganic)" }
          .Mod(o =>
          {
              if (isAdmin)
                  o.Inline(Html.Awe().CheckBox("Organic").Otoggl());
              else
                  o.InlineReadonly(); // readonly, used if you set isAdmin = false
          }),

          new Column { ClientFormatFunc = "editff", Width = 80 },
          new Column { ClientFormatFunc = "delff", Width = 85 }))
<script>
    function dateCond(o, params) {
        if (o.DateReadOnly) return params[0];
        return params[1];
    }

    function editff(o) {
        return o.Editable === false ? '': '@Html.Raw(GridUtils.InlineEditFormat())';
    }

    function delff(o) {
        var format = @Html.Raw(DemoUtils.Encode(Html.InlineDeleteFormatForGrid(grid)));
        format = format.split(".(Id)").join(o.Id);
        return o.Editable === false ? '': format;
    }
</script>

using System;
using System.Linq;
using Microsoft.AspNetCore.Mvc;

using AweCoreDemo.Models;
using AweCoreDemo.ViewModels.Input;
using Omu.Awem.Utils;
using Omu.AwesomeMvc;
 
namespace AweCoreDemo.Controllers.Demos.Grid
{
    public class GridInlineEditDemoController : Controller
    {
        public IActionResult Index()
        {
            return View();
        }

        public IActionResult ConditionalDemo()
        {
            return View();
        }

        public IActionResult MultiEditorsDemo()
        {
            return View();
        }

        public IActionResult ClientSave()
        {
            return View();
        }


        private object MapToGridModel(Dinner o)
        {
            return new
            {
                o.Id,
                o.Name,
                Date = o.Date.ToShortDateString(),
                ChefName = o.Chef.FirstName + " " + o.Chef.LastName,
                Meals = string.Join(", ", o.Meals.Select(m => m.Name)),
                BonusMeal = o.BonusMeal.Name,
                o.Organic,
                DispOrganic = o.Organic ? "Yes" : "No",

                // below properties used for inline editing only
                MealsIds = o.Meals.Select(m => m.Id).ToArray(),
                ChefId = o.Chef.Id,
                BonusMealId = o.BonusMeal.Id,

                // for conditional demo
                Editable = o.Meals.Count() > 1,
                DateReadOnly = o.Date.Year < 2015
            };
        }

        public IActionResult GridGetItems(GridParams g, string search)
        {
            search = (search ?? "").ToLower();
            var items = Db.Dinners.Where(o => o.Name.ToLower().Contains(search)).AsQueryable();

            var model = new GridModelBuilder<Dinner>(items, g)
            {
                KeyProp = o => o.Id, // needed for api select, update, tree, nesting, EF
                GetItem = () => Db.Get<Dinner>(Convert.ToInt32(g.Key)), // called by the grid.api.update
                Map = MapToGridModel,
            }.Build();

            return Json(model);
        }

        [HttpPost]
        public IActionResult Save(DinnerInput input)
        {
            if (ModelState.IsValid)
            {
                var edit = input.Id.HasValue;
                var ent = edit ? Db.Get<Dinner>(input.Id) : new Dinner();

                ent.Name = input.Name;
                ent.Date = input.Date.Value;
                ent.Chef = Db.Get<Chef>(input.Chef);
                ent.Meals = input.Meals.Select(mid => Db.Get<Meal>(mid));
                ent.BonusMeal = Db.Get<Meal>(input.BonusMealId);
                ent.Organic = input.Organic ?? false;

                if (edit)
                {
                    Db.Update(ent);
                }
                else
                {
                    Db.Insert(ent);
                }

                return Json(new { Item = MapToGridModel(ent) });
            }

            return Json(ModelState.GetErrorsInline());
        }

        public IActionResult Delete(int id)
        {
            var dinner = Db.Get<Dinner>(id);

            return PartialView(new DeleteConfirmInput
            {
                Id = id,
                Type = "dinner",
                Name = dinner.Name
            });
        }

        [HttpPost]
        public IActionResult Delete(DeleteConfirmInput input)
        {
            Db.Delete<Dinner>(input.Id);

            // the PopupForm's success function utils.itemDeleted expects an obj with "Id" property
            return Json(new { input.Id });
        }

        public IActionResult Popup()
        {
            return PartialView();
        }
    }
}