feat: 管理端核心实体CRUD补齐

src/Application/TakeoutSaaS.Application/App/Orders/Handlers/UpdateOrderCommandHandler.cs

@@ -0,0 +1,134 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Orders.Commands;
+using TakeoutSaaS.Application.App.Orders.Dto;
+using TakeoutSaaS.Domain.Orders.Entities;
+using TakeoutSaaS.Domain.Orders.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Orders.Handlers;
+
+/// <summary>
+/// 更新订单命令处理器。
+/// </summary>
+public sealed class UpdateOrderCommandHandler(
+    IOrderRepository orderRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateOrderCommandHandler> logger)
+    : IRequestHandler<UpdateOrderCommand, OrderDto?>
+{
+    private readonly IOrderRepository _orderRepository = orderRepository;
+    private readonly ITenantProvider _tenantProvider = tenantProvider;
+    private readonly ILogger<UpdateOrderCommandHandler> _logger = logger;
+
+    /// <inheritdoc />
+    public async Task<OrderDto?> Handle(UpdateOrderCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 读取订单
+        var tenantId = _tenantProvider.GetCurrentTenantId();
+        var existing = await _orderRepository.FindByIdAsync(request.OrderId, tenantId, cancellationToken);
+        if (existing == null)
+        {
+            return null;
+        }
+
+        // 2. 更新字段
+        existing.OrderNo = request.OrderNo.Trim();
+        existing.StoreId = request.StoreId;
+        existing.Channel = request.Channel;
+        existing.DeliveryType = request.DeliveryType;
+        existing.Status = request.Status;
+        existing.PaymentStatus = request.PaymentStatus;
+        existing.CustomerName = request.CustomerName?.Trim();
+        existing.CustomerPhone = request.CustomerPhone?.Trim();
+        existing.TableNo = request.TableNo?.Trim();
+        existing.QueueNumber = request.QueueNumber?.Trim();
+        existing.ReservationId = request.ReservationId;
+        existing.ItemsAmount = request.ItemsAmount;
+        existing.DiscountAmount = request.DiscountAmount;
+        existing.PayableAmount = request.PayableAmount;
+        existing.PaidAmount = request.PaidAmount;
+        existing.PaidAt = request.PaidAt;
+        existing.FinishedAt = request.FinishedAt;
+        existing.CancelledAt = request.CancelledAt;
+        existing.CancelReason = request.CancelReason?.Trim();
+        existing.Remark = request.Remark?.Trim();
+
+        // 3. 持久化
+        await _orderRepository.UpdateOrderAsync(existing, cancellationToken);
+        await _orderRepository.SaveChangesAsync(cancellationToken);
+        _logger.LogInformation("更新订单 {OrderNo} ({OrderId})", existing.OrderNo, existing.Id);
+
+        // 4. 读取关联数据并返回
+        var items = await _orderRepository.GetItemsAsync(existing.Id, tenantId, cancellationToken);
+        var histories = await _orderRepository.GetStatusHistoryAsync(existing.Id, tenantId, cancellationToken);
+        var refunds = await _orderRepository.GetRefundsAsync(existing.Id, tenantId, cancellationToken);
+
+        return MapToDto(existing, items, histories, refunds);
+    }
+
+    private static OrderDto MapToDto(
+        Order order,
+        IReadOnlyList<OrderItem> items,
+        IReadOnlyList<OrderStatusHistory> histories,
+        IReadOnlyList<RefundRequest> refunds) => new()
+        {
+            Id = order.Id,
+            TenantId = order.TenantId,
+            OrderNo = order.OrderNo,
+            StoreId = order.StoreId,
+            Channel = order.Channel,
+            DeliveryType = order.DeliveryType,
+            Status = order.Status,
+            PaymentStatus = order.PaymentStatus,
+            CustomerName = order.CustomerName,
+            CustomerPhone = order.CustomerPhone,
+            TableNo = order.TableNo,
+            QueueNumber = order.QueueNumber,
+            ReservationId = order.ReservationId,
+            ItemsAmount = order.ItemsAmount,
+            DiscountAmount = order.DiscountAmount,
+            PayableAmount = order.PayableAmount,
+            PaidAmount = order.PaidAmount,
+            PaidAt = order.PaidAt,
+            FinishedAt = order.FinishedAt,
+            CancelledAt = order.CancelledAt,
+            CancelReason = order.CancelReason,
+            Remark = order.Remark,
+            Items = items.Select(x => new OrderItemDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                ProductId = x.ProductId,
+                ProductName = x.ProductName,
+                SkuName = x.SkuName,
+                Unit = x.Unit,
+                Quantity = x.Quantity,
+                UnitPrice = x.UnitPrice,
+                DiscountAmount = x.DiscountAmount,
+                SubTotal = x.SubTotal,
+                AttributesJson = x.AttributesJson
+            }).ToList(),
+            StatusHistory = histories.Select(x => new OrderStatusHistoryDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                Status = x.Status,
+                OperatorId = x.OperatorId,
+                Notes = x.Notes,
+                OccurredAt = x.OccurredAt
+            }).ToList(),
+            Refunds = refunds.Select(x => new RefundRequestDto
+            {
+                Id = x.Id,
+                OrderId = x.OrderId,
+                RefundNo = x.RefundNo,
+                Amount = x.Amount,
+                Reason = x.Reason,
+                Status = x.Status,
+                RequestedAt = x.RequestedAt,
+                ProcessedAt = x.ProcessedAt,
+                ReviewNotes = x.ReviewNotes
+            }).ToList()
+        };
+}