using LinqToDB;
using System;
using System.Configuration;

namespace TradeUsedSale.Repositories.Utils
{
    internal class LinqToDbExtensions
    {

        private const string ConnectionStringKey = "ConnectionString";

        public static DataOptions GetOptions()
        {
            var connection = ConfigurationManager.AppSettings[ConnectionStringKey];
            if (string.IsNullOrEmpty(connection))
            {
                throw new Exception($"未找到Web.config中Key为 '{ConnectionStringKey}' 的配置项");
            }

            return new DataOptions().UseSqlServer(connection);
        }
    }
}