30 lines
1.2 KiB
C#
30 lines
1.2 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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/// 账单分页查询处理器。
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/// </summary>
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public sealed class SearchTenantBillsQueryHandler(ITenantBillingRepository billingRepository)
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: IRequestHandler<SearchTenantBillsQuery, PagedResult<TenantBillingDto>>
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{
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public async Task<PagedResult<TenantBillingDto>> Handle(SearchTenantBillsQuery request, CancellationToken cancellationToken)
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{
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// 1. 查询账单
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var bills = await billingRepository.SearchAsync(request.TenantId, request.Status, request.From, request.To, cancellationToken);
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// 2. 排序与分页
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var ordered = bills.OrderByDescending(x => x.PeriodEnd).ToList();
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var page = request.Page <= 0 ? 1 : request.Page;
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var size = request.PageSize <= 0 ? 20 : request.PageSize;
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var items = ordered.Skip((page - 1) * size).Take(size).Select(x => x.ToDto()).ToList();
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// 3. 返回分页结果
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return new PagedResult<TenantBillingDto>(items, page, size, ordered.Count);
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}
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}
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