using System.Collections.Generic;
using System.Linq;
using Microsoft.AspNetCore.Mvc.ModelBinding;

namespace LCU.API.Collections.RepoApi.Extensions
{
    public static class ModelStateMessages
    {
        public static List<string> GetErrorMessages(this ModelStateDictionary dictionary)
        {
            if (dictionary == null)
            {
                return new List<string>();
            }

            return dictionary.SelectMany(m => m.Value.Errors)
                .Select(m => m.ErrorMessage)
                .ToList();
        }
    }
}