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.UserServer.Application.Menus.Queries
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{
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/// <summary>
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/// 查询菜单详情
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/// </summary>
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/// <param name="rep"></param>
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public class GetMenuQueryHandler(IRepository<Menu> rep)
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: IRequestHandler<GetMenuQuery, GetMenuQueryResult>
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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<GetMenuQueryResult> Handle(GetMenuQuery request, CancellationToken cancellationToken)
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{
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var model = await rep.AsQueryable().AsNoTracking()
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.Where(it => it.Id == request.Id)
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.ProjectToType<GetMenuQueryResult>()
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.FirstOrDefaultAsync(cancellationToken);
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if (model == null) throw Oops.Oh(EnumErrorCodeType.s404, "菜单");
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var roleMenuIds =
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request.RoleId.HasValue
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? rep.Change<RoleMenu>().Where(it => it.RoleId == request.RoleId).DistinctSelect(it => it.MenuId)
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: [];
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model.IsChecked = roleMenuIds.Contains(model.Id);
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var items = await rep.AsQueryable().AsNoTracking()
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.OrderBy(it => it.Sort).ThenBy(it => it.CreatedTime)
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.Where(it => it.ParentId == model.Id)
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.Where(it => it.Type == EnumMenuType.Button || it.Type == EnumMenuType.Field)
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.ProjectToType<GetMenuQueryResultItem>()
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.ToListAsync(cancellationToken);
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model.Groups = items.GroupBy(it => it.Group ?? "default")
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.Select(it => new GetMenuQueryResultGroup
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{
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Group = it.Key,
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ButtonLocations = it
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.Where(l => l.Type == EnumMenuType.Button)
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.GroupBy(l => l.Location ?? "default")
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.Select(l => new GetMenuQueryResultButtonLocation
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{
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Location = l.Key,
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Buttons = l
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.Select(b =>
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{
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b.IsChecked = roleMenuIds.Contains(b.Id);
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return b;
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})
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.ToList()
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.Adapt<List<GetMenuQueryResultButton>>()
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})
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.ToList(),
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Fields = it
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.Where(f => f.Type == EnumMenuType.Field)
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.Select(f =>
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{
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f.IsChecked = roleMenuIds.Contains(f.Id);
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return f;
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})
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.ToList()
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.Adapt<List<GetMenuQueryResultField>>()
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})
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.ToList();
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return model;
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}
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}
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}
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