using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Web.Mvc;

namespace Test.Web.Attributes
{
    [AttributeUsage(AttributeTargets.Property | AttributeTargets.Field)]
    public class DigitsAttribute : RegularExpressionAttribute, IClientValidatable
    {
        public DigitsAttribute()
            : base(@"^\d*$")
        { }

        public IEnumerable<ModelClientValidationRule> GetClientValidationRules(ModelMetadata metadata, ControllerContext context)
        {
            yield return new ModelClientValidationRegexRule(FormatErrorMessage(metadata.GetDisplayName()), Pattern);
        }
    }
}