43 lines
1.4 KiB
C#
43 lines
1.4 KiB
C#
using MediatR;
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using TakeoutSaaS.Application.App.Tenants.Commands;
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using TakeoutSaaS.Application.App.Tenants.Dto;
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using TakeoutSaaS.Domain.Tenants.Enums;
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using TakeoutSaaS.Domain.Tenants.Repositories;
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namespace TakeoutSaaS.Application.App.Tenants.Handlers;
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/// <summary>
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/// 标记账单支付处理器。
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/// </summary>
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public sealed class MarkTenantBillingPaidCommandHandler(ITenantBillingRepository billingRepository)
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: IRequestHandler<MarkTenantBillingPaidCommand, TenantBillingDto?>
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{
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/// <summary>
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/// 标记账单支付。
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/// </summary>
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/// <param name="request">标记命令。</param>
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/// <param name="cancellationToken">取消标记。</param>
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/// <returns>账单 DTO 或 null。</returns>
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public async Task<TenantBillingDto?> Handle(MarkTenantBillingPaidCommand request, CancellationToken cancellationToken)
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{
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// 1. 查询账单
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var bill = await billingRepository.FindByIdAsync(request.TenantId, request.BillingId, cancellationToken);
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if (bill == null)
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{
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return null;
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}
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// 2. 更新支付状态
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bill.AmountPaid = request.AmountPaid;
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bill.Status = TenantBillingStatus.Paid;
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bill.DueDate = bill.DueDate;
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// 3. 持久化变更
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await billingRepository.UpdateAsync(bill, cancellationToken);
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await billingRepository.SaveChangesAsync(cancellationToken);
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// 4. 返回 DTO
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return bill.ToDto();
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}
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}
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