server/src/Api/Models/Request/Accounts/StorageRequestModel.cs

using System.ComponentModel.DataAnnotations;

namespace Bit.Api.Models.Request.Accounts;

public class StorageRequestModel : IValidatableObject
{
    [Required]
    public short? StorageGbAdjustment { get; set; }

    public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
    {
        if (StorageGbAdjustment == 0)
        {
            yield return new ValidationResult("Storage adjustment cannot be 0.",
                new string[] { nameof(StorageGbAdjustment) });
        }
    }
}