feat：商户管理

src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/ReviewTenantCommandHandler.cs

@@ -1,6 +1,9 @@
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Merchants.Entities;
+using TakeoutSaaS.Domain.Merchants.Enums;
+using TakeoutSaaS.Domain.Merchants.Repositories;
 using TakeoutSaaS.Domain.Tenants.Enums;
 using TakeoutSaaS.Domain.Tenants.Repositories;
 using TakeoutSaaS.Shared.Abstractions.Constants;
@@ -14,6 +17,7 @@ namespace TakeoutSaaS.Application.App.Tenants.Handlers;
 /// </summary>
 public sealed class ReviewTenantCommandHandler(
     ITenantRepository tenantRepository,
+    IMerchantRepository merchantRepository,
     ICurrentUserAccessor currentUserAccessor)
     : IRequestHandler<ReviewTenantCommand, TenantDto>
 {
@@ -53,19 +57,25 @@ public sealed class ReviewTenantCommandHandler(
         // 4. 更新租户与订阅状态
         if (request.Approve)
         {
+            if (!request.OperatingMode.HasValue)
+            {
+                throw new BusinessException(ErrorCodes.ValidationFailed, "审核通过时必须选择经营模式");
+            }
+
             var renewMonths = request.RenewMonths ?? 0;
             if (renewMonths <= 0)
             {
                 throw new BusinessException(ErrorCodes.ValidationFailed, "续费时长必须为正整数（月）");
             }
 
+            var now = DateTime.UtcNow;
             verification.Status = TenantVerificationStatus.Approved;
             tenant.Status = TenantStatus.Active;
+            tenant.OperatingMode = request.OperatingMode;
             if (subscription != null)
             {
                 subscription.Status = SubscriptionStatus.Active;
 
-                var now = DateTime.UtcNow;
                 if (subscription.EffectiveFrom == default || subscription.EffectiveFrom > now)
                 {
                     subscription.EffectiveFrom = now;
@@ -92,6 +102,69 @@ public sealed class ReviewTenantCommandHandler(
             {
                 throw new BusinessException(ErrorCodes.BadRequest, "订阅不存在，无法续费");
             }
+
+            var existingMerchant = await merchantRepository.FindByTenantIdAsync(tenant.Id, cancellationToken);
+            if (existingMerchant == null)
+            {
+                var merchant = new Merchant
+                {
+                    TenantId = tenant.Id,
+                    BrandName = tenant.Name,
+                    BrandAlias = tenant.ShortName,
+                    Category = tenant.Industry,
+                    ContactPhone = tenant.ContactPhone ?? string.Empty,
+                    ContactEmail = tenant.ContactEmail,
+                    BusinessLicenseNumber = verification.BusinessLicenseNumber,
+                    BusinessLicenseImageUrl = verification.BusinessLicenseUrl,
+                    LegalPerson = verification.LegalPersonName,
+                    Province = tenant.Province,
+                    City = tenant.City,
+                    Address = tenant.Address,
+                    Status = MerchantStatus.Approved,
+                    OperatingMode = request.OperatingMode,
+                    ApprovedAt = now,
+                    ApprovedBy = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
+                    JoinedAt = now,
+                    LastReviewedAt = now,
+                    LastReviewedBy = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
+                    IsFrozen = false
+                };
+
+                await merchantRepository.AddMerchantAsync(merchant, cancellationToken);
+                await merchantRepository.AddAuditLogAsync(new MerchantAuditLog
+                {
+                    TenantId = tenant.Id,
+                    MerchantId = merchant.Id,
+                    Action = MerchantAuditAction.ReviewApproved,
+                    Title = "商户审核通过",
+                    Description = request.Reason,
+                    OperatorId = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
+                    OperatorName = actorName
+                }, cancellationToken);
+            }
+            else
+            {
+                existingMerchant.Status = MerchantStatus.Approved;
+                existingMerchant.OperatingMode = request.OperatingMode;
+                existingMerchant.ApprovedAt = now;
+                existingMerchant.ApprovedBy = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId;
+                existingMerchant.LastReviewedAt = now;
+                existingMerchant.LastReviewedBy = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId;
+                existingMerchant.IsFrozen = false;
+                existingMerchant.FrozenReason = null;
+                existingMerchant.FrozenAt = null;
+                await merchantRepository.UpdateMerchantAsync(existingMerchant, cancellationToken);
+                await merchantRepository.AddAuditLogAsync(new MerchantAuditLog
+                {
+                    TenantId = tenant.Id,
+                    MerchantId = existingMerchant.Id,
+                    Action = MerchantAuditAction.ReviewApproved,
+                    Title = "商户审核通过",
+                    Description = request.Reason,
+                    OperatorId = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
+                    OperatorName = actorName
+                }, cancellationToken);
+            }
         }
         else
         {
@@ -141,6 +214,7 @@ public sealed class ReviewTenantCommandHandler(
 
         // 8. 保存并返回 DTO
         await tenantRepository.SaveChangesAsync(cancellationToken);
+        await merchantRepository.SaveChangesAsync(cancellationToken);
 
         return TenantMapping.ToDto(tenant, subscription, verification);
     }