using FlexJobApi.Core;
using MediatR;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FlexJobApi.Application
{
    /// <summary>
    /// 字典类别命令处理器
    /// </summary>
    public class DictionaryCategoryCommandHandler :
        IRequestHandler<DeleteDictionaryCategoryCommand, int>,
        IRequestHandler<SaveDictionaryCategoryCommand, Guid>
    {
        /// <summary>
        /// 删除数据字典类别
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public Task<int> Handle(DeleteDictionaryCategoryCommand request, CancellationToken cancellationToken)
        {
            return DbUtils.DeleteData<DictionaryCategory>(request, null, cancellationToken);
        }

        /// <summary>
        /// 保存数据字典类别
        /// </summary>
        /// <param name="request"></param>
        /// <param name="cancellationToken"></param>
        /// <returns></returns>
        public Task<Guid> Handle(SaveDictionaryCategoryCommand request, CancellationToken cancellationToken)
        {
            return request.SaveData<DictionaryCategory, SaveDictionaryCategoryCommand>(
                 it => it.Id != request.Id && it.Code == request.Code,
                 null,
                 cancellationToken);
        }
    }
}