Services/TradeService/Domain/Specification/CheckOrderCanCreateSpecification.cs
(完整代码) 745Busing Domain.Entities;
using Domain.Repository;
using DomainBase;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Domain.Specification
{
public class CheckOrderCanCreateSpecification : ISpecification<Order>
{
private readonly IOrderRepository repository;
public CheckOrderCanCreateSpecification(IOrderRepository repository)
{
this.repository = repository;
}
public async Task<bool> IsSatisfiedBy(Order entity)
{
if (await repository.AnyAsync(x => x.OrderNo == entity.OrderNo))
throw new DomainException("订单号重复!");
return true;
}
}
}
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