feat: tenant门店管理首批接口落地

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

@@ -0,0 +1,71 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Stores.Commands;
+using TakeoutSaaS.Application.App.Stores.Enums;
+using TakeoutSaaS.Application.App.Stores.Services;
+using TakeoutSaaS.Domain.Stores.Entities;
+using TakeoutSaaS.Domain.Stores.Enums;
+using TakeoutSaaS.Domain.Stores.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+
+namespace TakeoutSaaS.Application.App.Stores.Handlers;
+
+/// <summary>
+/// 租户端创建门店命令处理器。
+/// </summary>
+public sealed class CreateStoreCommandHandler(
+    StoreContextService storeContextService,
+    IStoreRepository storeRepository)
+    : IRequestHandler<CreateStoreCommand>
+{
+    /// <inheritdoc />
+    public async Task Handle(CreateStoreCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 解析上下文
+        var context = storeContextService.GetRequiredContext();
+
+        // 2. 校验编码唯一性
+        var existingStores = await storeRepository.SearchAsync(
+            context.TenantId,
+            context.MerchantId,
+            status: null,
+            auditStatus: null,
+            businessStatus: null,
+            ownershipType: null,
+            keyword: null,
+            includeDeleted: false,
+            cancellationToken: cancellationToken);
+        var normalizedCode = request.Code.Trim();
+        var hasDuplicateCode = existingStores.Any(store => string.Equals(store.Code, normalizedCode, StringComparison.OrdinalIgnoreCase));
+        if (hasDuplicateCode)
+        {
+            throw new BusinessException(ErrorCodes.Conflict, "门店编码已存在");
+        }
+
+        // 3. 组装门店实体
+        var serviceTypes = request.ServiceTypes?.Count > 0
+            ? request.ServiceTypes
+            : [ServiceType.Delivery];
+        var store = new Store
+        {
+            TenantId = context.TenantId,
+            MerchantId = context.MerchantId,
+            Code = normalizedCode,
+            Name = request.Name.Trim(),
+            Phone = request.ContactPhone.Trim(),
+            ManagerName = request.ManagerName.Trim(),
+            Address = request.Address.Trim(),
+            CoverImageUrl = request.CoverImage?.Trim(),
+            SignboardImageUrl = request.CoverImage?.Trim(),
+            OwnershipType = StoreOwnershipType.SameEntity,
+            AuditStatus = StoreAuditStatus.Draft,
+            BusinessStatus = request.BusinessStatus ?? StoreBusinessStatus.Open,
+            Status = StoreStatus.Operating
+        };
+        StoreListMapping.ApplyServiceTypes(store, serviceTypes);
+
+        // 4. 持久化
+        await storeRepository.AddStoreAsync(store, cancellationToken);
+        await storeRepository.SaveChangesAsync(cancellationToken);
+    }
+}