ds8-solution-pro/ds-wms-service/Ds.WMS.Finance.MediatR/handlers/GetCostBasicHandler.cs

using DS.Module.SqlSugar;

namespace Ds.WMS.Finance.MediatR.handlers
{
    /// <summary>
    /// 具体的业务逻辑
    /// </summary>
    public class GetCostBasicHandler : IRequestHandler<CostExchangeRateCommand, CurrencyDto>
    {
        private readonly DsDataAppService<Code_Currency> _db;

        public GetCostBasicHandler(DsDataAppService<Code_Currency> db)
        {
            _db = db;
        }

        //private readonly ISqlSugarClient _db;
        //public GetCostBasicHandler(ISqlSugarClient db)
        //{
        //    _db = db;
        //}

        /// <summary>
        /// 具体的业务逻辑
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        async Task<CurrencyDto> IRequestHandler<CostExchangeRateCommand, CurrencyDto>.Handle(CostExchangeRateCommand request, CancellationToken cancellationToken)
        {
            //var list = await _db.Queryable<Code_Currency>()
            //     .Where(x => x.Id == request.Id)
            //     .Select<CurrencyDto>()
            //     .FirstAsync();
            // 使用 QueryForOneEntity<TResult> 方法
            var list = await _db.QueryForOneEntity<CurrencyDto>(x => x.Id == request.Id);

            return await Task.FromResult(list);
        }
    }

    /// <summary>
    /// 添加
    /// </summary>
    public class AddCostBasicHandler : IRequestHandler<CostExchangeForAddCommand, bool>
    {
        private readonly ISqlSugarClient _db;

        public AddCostBasicHandler(ISqlSugarClient db)
        {
            _db = db;
        }

        public async Task<bool> Handle(CostExchangeForAddCommand request, CancellationToken cancellationToken)
        {
            var list = await _db.Insertable<Code_Currency>(new Code_Currency()
            {
                CodeName = request.CodeName,
                DefaultRate = request.DefaultRate,
                Description = request.Description,
                FinanceSoftCodes = request.FinanceSoftCodes,
                Name = request.Name
            }).ExecuteCommandAsync() > 0;
            return await Task.FromResult(list);
        }
    }

    /// <summary>
    /// 删除
    /// </summary>
    public class DelCostBasicHandler : IRequestHandler<CostExchangeForDelCommand, bool>
    {
        private readonly ISqlSugarClient _db;

        public DelCostBasicHandler(ISqlSugarClient db)
        {
            _db = db;
        }

        public async Task<bool> Handle(CostExchangeForDelCommand request, CancellationToken cancellationToken)
        {
            var list = await _db.Updateable<Code_Currency>()
                .Where(p => p.Id.Equals(request.Id))
                .IgnoreColumns(true)
                .SetColumns(p => p.DsIsDel == true)
                .ExecuteCommandAsync() > 0;
            return await Task.FromResult(list);
        }
    }
}