everything/EveryThing/Pages/CodeTablePartners/Create.cshtml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.RazorPages;
using Microsoft.AspNetCore.Mvc.Rendering;
using EveryThing.Data;
using EveryThing.Models;
using EveryThing.Models.CodeTable;
using Microsoft.AspNetCore.Authorization;

namespace EveryThing.Pages.CodeTablePartners
{
    [Authorize(Roles = "Administrator,InvoicingUser,ProjecThingUser,TransportThingUser")]
    public class CreateModel : PageModel
    {
        private readonly ApplicationDbContext _context;
        private readonly UserManager<IdentityApplicationUser> _userManager;
        private readonly SignInManager<IdentityApplicationUser> _loginManager;
        private readonly RoleManager<IdentityApplicationRole> _roleManager;

        public CreateModel(ApplicationDbContext context, UserManager<IdentityApplicationUser> userManager, SignInManager<IdentityApplicationUser> loginManager, RoleManager<IdentityApplicationRole> roleManager)
        {
            _context = context;
            _userManager = userManager;
            _loginManager = loginManager;
            _roleManager = roleManager;
        }

        public IActionResult OnGet()
        {
            ViewData["IdCountryFk"] = new SelectList(_context.CodeTableCountries, "IdCountry", "TranslationSlovenian");

            return Page();
        }

        [BindProperty]
        public CodeTablePartner Partner { get; set; }

        public async Task<IActionResult> OnPostAsync()
        {
            if (!ModelState.IsValid)
            {
                return Page();
            }

            var user = _userManager.GetUserAsync(User).Result;

            Partner.IdCompanyFk = user.IdCompanyFk;
            Partner.Active = true;
            
            _context.CodeTablePartners.Add(Partner);
            await _context.SaveChangesAsync();

            return RedirectToPage("./Index");
        }
    }
}