36 lines
1.3 KiB
C#
36 lines
1.3 KiB
C#
using MediatR;
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using TakeoutSaaS.Application.App.Tenants.Dto;
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using TakeoutSaaS.Application.App.Tenants.Queries;
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using TakeoutSaaS.Domain.Tenants.Repositories;
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using TakeoutSaaS.Shared.Abstractions.Results;
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namespace TakeoutSaaS.Application.App.Tenants.Handlers;
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/// <summary>
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/// 套餐分页查询处理器。
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/// </summary>
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public sealed class SearchTenantPackagesQueryHandler(ITenantPackageRepository packageRepository)
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: IRequestHandler<SearchTenantPackagesQuery, PagedResult<TenantPackageDto>>
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{
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/// <inheritdoc />
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public async Task<PagedResult<TenantPackageDto>> Handle(SearchTenantPackagesQuery request, CancellationToken cancellationToken)
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{
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// 1. 查询套餐
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var packages = await packageRepository.SearchAsync(request.Keyword, request.IsActive, cancellationToken);
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// 2. 排序与分页
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var ordered = packages.OrderByDescending(x => x.CreatedAt).ToList();
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var pageIndex = request.Page <= 0 ? 1 : request.Page;
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var size = request.PageSize <= 0 ? 20 : request.PageSize;
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var pagedItems = ordered
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.Skip((pageIndex - 1) * size)
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.Take(size)
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.Select(x => x.ToDto())
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.ToList();
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// 3. 返回分页结果
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return new PagedResult<TenantPackageDto>(pagedItems, pageIndex, size, ordered.Count);
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}
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}
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