77 lines
3.0 KiB
C#
77 lines
3.0 KiB
C#
using MediatR;
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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.Tenants.Entities;
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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.Security;
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namespace TakeoutSaaS.Application.App.Tenants.Handlers;
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/// <summary>
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/// 解冻租户处理器。
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/// </summary>
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public sealed class UnfreezeTenantCommandHandler(
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ITenantRepository tenantRepository,
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ICurrentUserAccessor currentUserAccessor)
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: IRequestHandler<UnfreezeTenantCommand, TenantDto>
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{
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/// <inheritdoc />
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public async Task<TenantDto> Handle(UnfreezeTenantCommand request, CancellationToken cancellationToken)
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{
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// 1. 获取租户与订阅
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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 subscription = await tenantRepository.GetActiveSubscriptionAsync(request.TenantId, cancellationToken);
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var verification = await tenantRepository.GetVerificationProfileAsync(request.TenantId, cancellationToken);
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var previousStatus = tenant.Status;
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if (tenant.Status != TenantStatus.Suspended)
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{
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throw new BusinessException(ErrorCodes.BadRequest, "当前租户未处于冻结状态");
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}
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// 2. 计算恢复状态（到期则回到到期状态）
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var now = DateTime.UtcNow;
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var isExpired = subscription != null && subscription.EffectiveTo <= now;
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tenant.Status = isExpired ? TenantStatus.Expired : TenantStatus.Active;
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tenant.SuspendedAt = null;
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tenant.SuspensionReason = null;
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// 3. (空行后) 同步订阅状态
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if (subscription != null)
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{
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subscription.Status = isExpired ? SubscriptionStatus.GracePeriod : SubscriptionStatus.Active;
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await tenantRepository.UpdateSubscriptionAsync(subscription, cancellationToken);
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}
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await tenantRepository.UpdateTenantAsync(tenant, cancellationToken);
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// 4. (空行后) 记录审计
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var actorName = currentUserAccessor.IsAuthenticated
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? $"user:{currentUserAccessor.UserId}"
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: "system";
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await tenantRepository.AddAuditLogAsync(new TenantAuditLog
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{
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TenantId = tenant.Id,
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Action = TenantAuditAction.StatusChanged,
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Title = "解冻租户",
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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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// 5. 保存并返回
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await tenantRepository.SaveChangesAsync(cancellationToken);
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return TenantMapping.ToDto(tenant, subscription, verification);
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}
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}
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