server/src/Api/Models/Request/Organizations/OrganizationUpgradeRequestModel.cs

using System.ComponentModel.DataAnnotations;
using Bit.Core.Enums;
using Bit.Core.Models.Business;

namespace Bit.Api.Models.Request.Organizations
{
    public class OrganizationUpgradeRequestModel
    {
        [StringLength(50)]
        public string BusinessName { get; set; }
        public PlanType PlanType { get; set; }
        [Range(0, int.MaxValue)]
        public int AdditionalSeats { get; set; }
        [Range(0, 99)]
        public short? AdditionalStorageGb { get; set; }
        public bool PremiumAccessAddon { get; set; }
        public string BillingAddressCountry { get; set; }
        public string BillingAddressPostalCode { get; set; }
        public OrganizationKeysRequestModel Keys { get; set; }

        public OrganizationUpgrade ToOrganizationUpgrade()
        {
            var orgUpgrade = new OrganizationUpgrade
            {
                AdditionalSeats = AdditionalSeats,
                AdditionalStorageGb = AdditionalStorageGb.GetValueOrDefault(),
                BusinessName = BusinessName,
                Plan = PlanType,
                PremiumAccessAddon = PremiumAccessAddon,
                TaxInfo = new TaxInfo()
                {
                    BillingAddressCountry = BillingAddressCountry,
                    BillingAddressPostalCode = BillingAddressPostalCode
                }
            };

            Keys?.ToOrganizationUpgrade(orgUpgrade);

            return orgUpgrade;
        }
    }
}