using System.Linq.Expressions;

namespace CMS.Plugin.HIAWms.Domain.WmsStores
{
    /// <summary>
    /// WmsStore规约
    /// </summary>
    public class WmsStoreSpecification : Volo.Abp.Specifications.Specification<WmsStore>
    {
        private readonly string _storeCode;

        /// <summary>
        /// Initializes a new instance of the <see cref="WmsStoreSpecification"/> class.
        /// </summary>
        public WmsStoreSpecification()
        {
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="WmsStoreSpecification"/> class.
        /// </summary>
        /// <param name="storeCode">The name.</param>
        public WmsStoreSpecification(string storeCode = null)
        {
            _storeCode = storeCode;
        }

        /// <inheritdoc />
        public override Expression<Func<WmsStore, bool>> ToExpression()
        {
            Expression<Func<WmsStore, bool>> expression = c => 1 == 1;

            if (_storeCode != null)
            {
                expression = expression.And(c => c.StoreCode == _storeCode);
            }

            return expression;
        }
    }
}