using FlexJobApi.Core;
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using Furion.DatabaseAccessor;
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using Furion.FriendlyException;
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using Mapster;
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using MediatR;
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using Microsoft.EntityFrameworkCore;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace FlexJobApi.User.Application
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{
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/// <summary>
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/// 保存菜单按钮
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/// </summary>
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public class SaveMenuButtonCommandHandler(
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IRepository<Menu> rep
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) : IRequestHandler<SaveMenuButtonCommand, Guid>
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{
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private readonly IRepository<Menu> rep = rep;
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/// <inheritdoc/>
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public async Task<Guid> Handle(SaveMenuButtonCommand request, CancellationToken cancellationToken)
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{
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var parent = await rep.FirstOrDefaultAsync(it => it.Id == request.ParentId);
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if (parent == null) throw Oops.Oh(EnumErrorCodeType.s404, "上级菜单");
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if (request.Id.HasValue)
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{
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var entity = await rep.FirstOrDefaultAsync(it => it.Id == request.Id);
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if (entity == null) throw Oops.Oh(EnumErrorCodeType.s404, "该菜单");
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if (entity.ParentId != request.ParentId) throw Oops.Oh(EnumErrorCodeType.s410, "上级Id");
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request.Adapt(entity);
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if (await CheckExist(entity)) throw Oops.Oh(EnumErrorCodeType.s406, "菜单编号");
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await rep.UpdateAsync(entity);
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return entity.Id;
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}
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else
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{
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var entity = new Menu();
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entity.Path = $"{parent.Path}{parent.Code}/";
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entity.Type = EnumMenuType.Button;
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entity.VisitLevel = parent.VisitLevel;
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request.Adapt(entity);
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if (await CheckExist(entity)) throw Oops.Oh(EnumErrorCodeType.s406, "菜单编号");
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await rep.InsertAsync(entity);
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return entity.Id;
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}
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}
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/// <summary>
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/// 校验菜单是否重复
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/// </summary>
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/// <param name="entity"></param>
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/// <returns></returns>
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private async Task<bool> CheckExist(Menu entity)
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{
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return await rep.AsQueryable().AsNoTracking()
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.AnyAsync(it =>
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it.ParentId == entity.ParentId
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&& it.Type == entity.Type
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&& it.Group == entity.Group
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&& it.Location == entity.Location
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&& it.Code == entity.Code
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&& it.Id != entity.Id);
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}
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}
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}
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