zeroframework/Services/DeviceCenter/ZeroFramework.DeviceCenter.Domain/Specifications/Builder/OrderedBuilderExtensions.cs

using System.Linq.Expressions;

namespace ZeroFramework.DeviceCenter.Domain.Specifications.Builder
{
    public static class OrderedBuilderExtensions
    {
        public static IOrderedSpecificationBuilder<T> ThenBy<T>(
            this IOrderedSpecificationBuilder<T> orderedBuilder,
            Expression<Func<T, object?>> orderExpression)
        {
            ((List<(Expression<Func<T, object?>> OrderExpression, OrderTypeEnum OrderType)>)orderedBuilder.Specification.OrderExpressions)
                .Add((orderExpression, OrderTypeEnum.ThenBy));

            return orderedBuilder;
        }

        public static IOrderedSpecificationBuilder<T> ThenByDescending<T>(
            this IOrderedSpecificationBuilder<T> orderedBuilder,
            Expression<Func<T, object?>> orderExpression)
        {
            ((List<(Expression<Func<T, object?>> OrderExpression, OrderTypeEnum OrderType)>)orderedBuilder.Specification.OrderExpressions)
                .Add((orderExpression, OrderTypeEnum.ThenByDescending));

            return orderedBuilder;
        }
    }
}