feat: 列表接口分页排序与验证

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

@@ -2,6 +2,7 @@ using MediatR;
 using TakeoutSaaS.Application.App.Stores.Dto;
 using TakeoutSaaS.Application.App.Stores.Queries;
 using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Results;
 using TakeoutSaaS.Shared.Abstractions.Tenancy;
 
 namespace TakeoutSaaS.Application.App.Stores.Handlers;
@@ -12,13 +13,13 @@ namespace TakeoutSaaS.Application.App.Stores.Handlers;
 public sealed class SearchStoresQueryHandler(
     IStoreRepository storeRepository,
     ITenantProvider tenantProvider)
-    : IRequestHandler<SearchStoresQuery, IReadOnlyList<StoreDto>>
+    : IRequestHandler<SearchStoresQuery, PagedResult<StoreDto>>
 {
     private readonly IStoreRepository _storeRepository = storeRepository;
     private readonly ITenantProvider _tenantProvider = tenantProvider;
 
     /// <inheritdoc />
-    public async Task<IReadOnlyList<StoreDto>> Handle(SearchStoresQuery request, CancellationToken cancellationToken)
+    public async Task<PagedResult<StoreDto>> Handle(SearchStoresQuery request, CancellationToken cancellationToken)
     {
         var tenantId = _tenantProvider.GetCurrentTenantId();
         var stores = await _storeRepository.SearchAsync(tenantId, request.Status, cancellationToken);
@@ -34,7 +35,8 @@ public sealed class SearchStoresQueryHandler(
             .Take(request.PageSize)
             .ToList();
 
-        return paged.Select(MapToDto).ToList();
+        var items = paged.Select(MapToDto).ToList();
+        return new PagedResult<StoreDto>(items, request.Page, request.PageSize, stores.Count);
     }
 
     private static IOrderedEnumerable<Domain.Stores.Entities.Store> ApplySorting(

src/Application/TakeoutSaaS.Application/App/Stores/Queries/SearchStoresQuery.cs

@@ -1,13 +1,14 @@
 using MediatR;
 using TakeoutSaaS.Application.App.Stores.Dto;
 using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Shared.Abstractions.Results;
 
 namespace TakeoutSaaS.Application.App.Stores.Queries;
 
 /// <summary>
 /// 门店列表查询。
 /// </summary>
-public sealed class SearchStoresQuery : IRequest<IReadOnlyList<StoreDto>>
+public sealed class SearchStoresQuery : IRequest<PagedResult<StoreDto>>
 {
     /// <summary>
     /// 商户 ID（可选）。