227 lines
10 KiB
C#
227 lines
10 KiB
C#
using MediatR;
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using System.Security.Cryptography;
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using TakeoutSaaS.Application.App.Tenants.Commands;
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using TakeoutSaaS.Application.App.Tenants.Dto;
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using TakeoutSaaS.Domain.Merchants.Entities;
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using TakeoutSaaS.Domain.Merchants.Enums;
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using TakeoutSaaS.Domain.Merchants.Repositories;
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using TakeoutSaaS.Domain.Tenants.Enums;
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using TakeoutSaaS.Domain.Tenants.Repositories;
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using TakeoutSaaS.Shared.Abstractions.Constants;
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using TakeoutSaaS.Shared.Abstractions.Exceptions;
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using TakeoutSaaS.Shared.Abstractions.Ids;
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using TakeoutSaaS.Shared.Abstractions.Security;
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namespace TakeoutSaaS.Application.App.Tenants.Handlers;
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/// <summary>
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/// 租户审核处理器。
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/// </summary>
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public sealed class ReviewTenantCommandHandler(
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ITenantRepository tenantRepository,
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IMerchantRepository merchantRepository,
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ICurrentUserAccessor currentUserAccessor,
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IIdGenerator idGenerator)
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: IRequestHandler<ReviewTenantCommand, TenantDto>
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{
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/// <inheritdoc />
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public async Task<TenantDto> Handle(ReviewTenantCommand request, CancellationToken cancellationToken)
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{
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// 1. 获取租户与认证资料
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var tenant = await tenantRepository.FindByIdAsync(request.TenantId, cancellationToken)
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?? throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
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var reviewClaim = await tenantRepository.FindActiveReviewClaimAsync(request.TenantId, cancellationToken)
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?? throw new BusinessException(ErrorCodes.Conflict, "请先领取审核");
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if (reviewClaim.ClaimedBy != currentUserAccessor.UserId)
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{
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throw new BusinessException(ErrorCodes.Conflict, $"该审核已被 {reviewClaim.ClaimedByName} 领取");
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}
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var verification = await tenantRepository.GetVerificationProfileAsync(request.TenantId, cancellationToken)
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?? throw new BusinessException(ErrorCodes.BadRequest, "请先提交实名认证资料");
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var subscription = await tenantRepository.GetActiveSubscriptionAsync(request.TenantId, cancellationToken);
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// 2. 记录审核人
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var actorName = currentUserAccessor.IsAuthenticated
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? $"user:{currentUserAccessor.UserId}"
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: "system";
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// 3. 写入审核信息
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verification.ReviewedAt = DateTime.UtcNow;
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verification.ReviewedBy = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId;
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verification.ReviewedByName = actorName;
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verification.ReviewRemarks = request.Reason;
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var previousStatus = tenant.Status;
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// 4. 更新租户与订阅状态
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if (request.Approve)
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{
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if (!request.OperatingMode.HasValue)
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{
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throw new BusinessException(ErrorCodes.ValidationFailed, "审核通过时必须选择经营模式");
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}
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var renewMonths = request.RenewMonths ?? 0;
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if (renewMonths <= 0)
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{
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throw new BusinessException(ErrorCodes.ValidationFailed, "续费时长必须为正整数（月）");
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}
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var now = DateTime.UtcNow;
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verification.Status = TenantVerificationStatus.Approved;
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tenant.Status = TenantStatus.Active;
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tenant.OperatingMode = request.OperatingMode;
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if (subscription != null)
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{
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subscription.Status = SubscriptionStatus.Active;
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if (subscription.EffectiveFrom == default || subscription.EffectiveFrom > now)
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{
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subscription.EffectiveFrom = now;
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}
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var previousEffectiveTo = subscription.EffectiveTo;
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var baseEffectiveTo = subscription.EffectiveTo > now ? subscription.EffectiveTo : now;
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subscription.EffectiveTo = baseEffectiveTo.AddMonths(renewMonths);
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subscription.NextBillingDate = subscription.EffectiveTo;
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await tenantRepository.AddAuditLogAsync(new Domain.Tenants.Entities.TenantAuditLog
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{
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TenantId = tenant.Id,
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Action = TenantAuditAction.SubscriptionUpdated,
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Title = "订阅续费",
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Description = $"续费 {renewMonths} 月，到期时间：{previousEffectiveTo:yyyy-MM-dd HH:mm:ss} -> {subscription.EffectiveTo:yyyy-MM-dd HH:mm:ss}",
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OperatorId = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
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OperatorName = actorName,
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PreviousStatus = previousStatus,
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CurrentStatus = tenant.Status
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}, cancellationToken);
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}
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else
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{
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throw new BusinessException(ErrorCodes.BadRequest, "订阅不存在，无法续费");
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}
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var existingMerchant = await merchantRepository.FindByTenantIdAsync(tenant.Id, cancellationToken);
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if (existingMerchant == null)
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{
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var merchant = new Merchant
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{
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Id = idGenerator.NextId(),
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TenantId = tenant.Id,
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BrandName = tenant.Name,
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BrandAlias = tenant.ShortName,
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Category = tenant.Industry,
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ContactPhone = tenant.ContactPhone ?? string.Empty,
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ContactEmail = tenant.ContactEmail,
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BusinessLicenseNumber = verification.BusinessLicenseNumber,
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BusinessLicenseImageUrl = verification.BusinessLicenseUrl,
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LegalPerson = verification.LegalPersonName,
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Province = tenant.Province,
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City = tenant.City,
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Address = tenant.Address,
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Status = MerchantStatus.Approved,
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OperatingMode = request.OperatingMode,
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ApprovedAt = now,
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ApprovedBy = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
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JoinedAt = now,
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LastReviewedAt = now,
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LastReviewedBy = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
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IsFrozen = false,
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RowVersion = RandomNumberGenerator.GetBytes(16)
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};
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await merchantRepository.AddMerchantAsync(merchant, cancellationToken);
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await merchantRepository.AddAuditLogAsync(new MerchantAuditLog
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{
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TenantId = tenant.Id,
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MerchantId = merchant.Id,
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Action = MerchantAuditAction.ReviewApproved,
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Title = "商户审核通过",
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Description = request.Reason,
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OperatorId = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
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OperatorName = actorName
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}, cancellationToken);
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}
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else
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{
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existingMerchant.Status = MerchantStatus.Approved;
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existingMerchant.OperatingMode = request.OperatingMode;
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existingMerchant.ApprovedAt = now;
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existingMerchant.ApprovedBy = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId;
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existingMerchant.LastReviewedAt = now;
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existingMerchant.LastReviewedBy = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId;
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existingMerchant.IsFrozen = false;
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existingMerchant.FrozenReason = null;
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existingMerchant.FrozenAt = null;
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await merchantRepository.UpdateMerchantAsync(existingMerchant, cancellationToken);
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await merchantRepository.AddAuditLogAsync(new MerchantAuditLog
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{
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TenantId = tenant.Id,
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MerchantId = existingMerchant.Id,
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Action = MerchantAuditAction.ReviewApproved,
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Title = "商户审核通过",
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Description = request.Reason,
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OperatorId = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
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OperatorName = actorName
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}, cancellationToken);
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}
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}
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else
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{
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verification.Status = TenantVerificationStatus.Rejected;
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tenant.Status = TenantStatus.PendingReview;
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if (subscription != null)
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{
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subscription.Status = SubscriptionStatus.Suspended;
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}
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}
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// 5. 持久化租户与认证资料
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await tenantRepository.UpdateTenantAsync(tenant, cancellationToken);
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await tenantRepository.UpsertVerificationProfileAsync(verification, cancellationToken);
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if (subscription != null)
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{
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await tenantRepository.UpdateSubscriptionAsync(subscription, cancellationToken);
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}
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// 6. 记录审核日志
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await tenantRepository.AddAuditLogAsync(new Domain.Tenants.Entities.TenantAuditLog
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{
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TenantId = tenant.Id,
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Action = request.Approve ? TenantAuditAction.VerificationApproved : TenantAuditAction.VerificationRejected,
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Title = request.Approve ? "审核通过" : "审核驳回",
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Description = request.Reason,
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OperatorId = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
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OperatorName = actorName,
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PreviousStatus = previousStatus,
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CurrentStatus = tenant.Status
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}, cancellationToken);
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// 7. (空行后) 审核完成自动释放领取
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reviewClaim.ReleasedAt = DateTime.UtcNow;
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await tenantRepository.UpdateReviewClaimAsync(reviewClaim, cancellationToken);
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await tenantRepository.AddAuditLogAsync(new Domain.Tenants.Entities.TenantAuditLog
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{
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TenantId = tenant.Id,
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Action = TenantAuditAction.ReviewClaimReleased,
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Title = "审核完成释放",
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Description = $"释放人：{actorName}",
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OperatorId = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
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OperatorName = actorName,
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PreviousStatus = tenant.Status,
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CurrentStatus = tenant.Status
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}, cancellationToken);
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// 8. 保存并返回 DTO
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await tenantRepository.SaveChangesAsync(cancellationToken);
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await merchantRepository.SaveChangesAsync(cancellationToken);
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return TenantMapping.ToDto(tenant, subscription, verification);
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}
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}
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