feat: 门店员工与排班管理上线

src/Application/TakeoutSaaS.Application/App/Stores/Handlers/UpdateStoreStaffCommandHandler.cs

@@ -0,0 +1,55 @@
+using MediatR;
+using Microsoft.Extensions.Logging;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Dto;
+using TakeoutSaaS.Domain.Merchants.Repositories;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Tenancy;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 更新门店员工处理器。
+/// </summary>
+public sealed class UpdateStoreStaffCommandHandler(
+    IMerchantRepository merchantRepository,
+    IStoreRepository storeRepository,
+    ITenantProvider tenantProvider,
+    ILogger<UpdateStoreStaffCommandHandler> logger)
+    : IRequestHandler<UpdateStoreStaffCommand, StoreStaffDto?>
+{
+    /// <inheritdoc />
+    public async Task<StoreStaffDto?> Handle(UpdateStoreStaffCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 校验门店
+        var tenantId = tenantProvider.GetCurrentTenantId();
+        var store = await storeRepository.FindByIdAsync(request.StoreId, tenantId, cancellationToken);
+        if (store is null)
+        {
+            return null;
+        }
+
+        // 2. 读取员工
+        var staff = await merchantRepository.FindStaffByIdAsync(request.StaffId, tenantId, cancellationToken);
+        if (staff is null || staff.StoreId != request.StoreId)
+        {
+            return null;
+        }
+
+        // 3. 更新字段
+        staff.Name = request.Name.Trim();
+        staff.Phone = request.Phone.Trim();
+        staff.Email = request.Email?.Trim();
+        staff.RoleType = request.RoleType;
+        staff.Status = request.Status;
+
+        // 4. 持久化
+        await merchantRepository.SaveChangesAsync(cancellationToken);
+        logger.LogInformation("更新门店员工 {StaffId} 门店 {StoreId}", staff.Id, staff.StoreId);
+
+        // 5. 返回 DTO
+        return StoreMapping.ToDto(staff);
+    }
+}