85 lines
3.3 KiB
C#
85 lines
3.3 KiB
C#
using MediatR;
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using Microsoft.Extensions.Logging;
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using TakeoutSaaS.Application.App.Deliveries.Commands;
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using TakeoutSaaS.Application.App.Deliveries.Dto;
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using TakeoutSaaS.Domain.Deliveries.Entities;
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using TakeoutSaaS.Domain.Deliveries.Repositories;
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using TakeoutSaaS.Shared.Abstractions.Tenancy;
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namespace TakeoutSaaS.Application.App.Deliveries.Handlers;
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/// <summary>
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/// 更新配送单命令处理器。
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/// </summary>
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public sealed class UpdateDeliveryOrderCommandHandler(
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IDeliveryRepository deliveryRepository,
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ITenantProvider tenantProvider,
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ILogger<UpdateDeliveryOrderCommandHandler> logger)
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: IRequestHandler<UpdateDeliveryOrderCommand, DeliveryOrderDto?>
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{
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/// <inheritdoc />
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public async Task<DeliveryOrderDto?> Handle(UpdateDeliveryOrderCommand request, CancellationToken cancellationToken)
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{
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// 1. 获取当前租户标识
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var tenantId = tenantProvider.GetCurrentTenantId();
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// 2. 查询目标配送单
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var existing = await deliveryRepository.FindByIdAsync(request.DeliveryOrderId, tenantId, cancellationToken);
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if (existing == null)
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{
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return null;
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}
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// 3. 更新字段
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existing.OrderId = request.OrderId;
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existing.Provider = request.Provider;
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existing.ProviderOrderId = request.ProviderOrderId?.Trim();
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existing.Status = request.Status;
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existing.DeliveryFee = request.DeliveryFee;
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existing.CourierName = request.CourierName?.Trim();
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existing.CourierPhone = request.CourierPhone?.Trim();
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existing.DispatchedAt = request.DispatchedAt;
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existing.PickedUpAt = request.PickedUpAt;
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existing.DeliveredAt = request.DeliveredAt;
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existing.FailureReason = request.FailureReason?.Trim();
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// 4. 持久化变更
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await deliveryRepository.UpdateDeliveryOrderAsync(existing, cancellationToken);
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await deliveryRepository.SaveChangesAsync(cancellationToken);
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// 5. 记录更新日志
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logger.LogInformation("更新配送单 {DeliveryOrderId}", existing.Id);
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// 6. 查询事件并返回映射结果
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var events = await deliveryRepository.GetEventsAsync(existing.Id, tenantId, cancellationToken);
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return MapToDto(existing, events);
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}
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private static DeliveryOrderDto MapToDto(DeliveryOrder deliveryOrder, IReadOnlyList<DeliveryEvent> events) => new()
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{
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Id = deliveryOrder.Id,
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TenantId = deliveryOrder.TenantId,
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OrderId = deliveryOrder.OrderId,
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Provider = deliveryOrder.Provider,
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ProviderOrderId = deliveryOrder.ProviderOrderId,
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Status = deliveryOrder.Status,
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DeliveryFee = deliveryOrder.DeliveryFee,
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CourierName = deliveryOrder.CourierName,
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CourierPhone = deliveryOrder.CourierPhone,
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DispatchedAt = deliveryOrder.DispatchedAt,
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PickedUpAt = deliveryOrder.PickedUpAt,
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DeliveredAt = deliveryOrder.DeliveredAt,
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FailureReason = deliveryOrder.FailureReason,
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CreatedAt = deliveryOrder.CreatedAt,
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Events = events.Select(x => new DeliveryEventDto
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{
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Id = x.Id,
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DeliveryOrderId = x.DeliveryOrderId,
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EventType = x.EventType,
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Message = x.Message,
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OccurredAt = x.OccurredAt,
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Payload = x.Payload
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}).ToList()
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};
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}
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