55 lines
2.0 KiB
C#
55 lines
2.0 KiB
C#
using System;
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using System.Linq;
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using MediatR;
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using TakeoutSaaS.Application.Identity.Contracts;
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using TakeoutSaaS.Application.Identity.Queries;
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using TakeoutSaaS.Domain.Identity.Repositories;
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using TakeoutSaaS.Shared.Abstractions.Results;
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using TakeoutSaaS.Shared.Abstractions.Tenancy;
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namespace TakeoutSaaS.Application.Identity.Handlers;
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/// <summary>
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/// 权限分页查询处理器。
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/// </summary>
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public sealed class SearchPermissionsQueryHandler(
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IPermissionRepository permissionRepository,
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ITenantProvider tenantProvider)
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: IRequestHandler<SearchPermissionsQuery, PagedResult<PermissionDto>>
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{
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public async Task<PagedResult<PermissionDto>> Handle(SearchPermissionsQuery request, CancellationToken cancellationToken)
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{
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var tenantId = tenantProvider.GetCurrentTenantId();
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var permissions = await permissionRepository.SearchAsync(tenantId, request.Keyword, cancellationToken);
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var sorted = request.SortBy?.ToLowerInvariant() switch
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{
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"name" => request.SortDescending
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? permissions.OrderByDescending(x => x.Name)
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: permissions.OrderBy(x => x.Name),
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"code" => request.SortDescending
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? permissions.OrderByDescending(x => x.Code)
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: permissions.OrderBy(x => x.Code),
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_ => request.SortDescending
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? permissions.OrderByDescending(x => x.CreatedAt)
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: permissions.OrderBy(x => x.CreatedAt)
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};
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var paged = sorted
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.Skip((request.Page - 1) * request.PageSize)
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.Take(request.PageSize)
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.ToList();
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var items = paged.Select(permission => new PermissionDto
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{
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Id = permission.Id,
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TenantId = permission.TenantId,
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Name = permission.Name,
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Code = permission.Code,
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Description = permission.Description
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}).ToList();
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return new PagedResult<PermissionDto>(items, request.Page, request.PageSize, permissions.Count);
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}
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}
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