feat: 租户冻结解冻与订阅延期接口

2025-12-15 13:44:47 +08:00
parent f2ec40a533
commit d64545dd26
7 changed files with 407 additions and 0 deletions
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UnfreezeTenantCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/UnfreezeTenantCommandHandler.cs
@@ -0,0 +1,76 @@
+using MediatR;
+using TakeoutSaaS.Application.App.Tenants.Commands;
+using TakeoutSaaS.Application.App.Tenants.Dto;
+using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
+using TakeoutSaaS.Domain.Tenants.Repositories;
+using TakeoutSaaS.Shared.Abstractions.Constants;
+using TakeoutSaaS.Shared.Abstractions.Exceptions;
+using TakeoutSaaS.Shared.Abstractions.Security;
+
+namespace TakeoutSaaS.Application.App.Tenants.Handlers;
+
+/// <summary>
+/// 解冻租户处理器。
+/// </summary>
+public sealed class UnfreezeTenantCommandHandler(
+    ITenantRepository tenantRepository,
+    ICurrentUserAccessor currentUserAccessor)
+    : IRequestHandler<UnfreezeTenantCommand, TenantDto>
+{
+    /// <inheritdoc />
+    public async Task<TenantDto> Handle(UnfreezeTenantCommand request, CancellationToken cancellationToken)
+    {
+        // 1. 获取租户与订阅
+        var tenant = await tenantRepository.FindByIdAsync(request.TenantId, cancellationToken)
+            ?? throw new BusinessException(ErrorCodes.NotFound, "租户不存在");
+
+        var subscription = await tenantRepository.GetActiveSubscriptionAsync(request.TenantId, cancellationToken);
+        var verification = await tenantRepository.GetVerificationProfileAsync(request.TenantId, cancellationToken);
+
+        var previousStatus = tenant.Status;
+        if (tenant.Status != TenantStatus.Suspended)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "当前租户未处于冻结状态");
+        }
+
+        // 2. 计算恢复状态（到期则回到到期状态）
+        var now = DateTime.UtcNow;
+        var isExpired = subscription != null && subscription.EffectiveTo <= now;
+
+        tenant.Status = isExpired ? TenantStatus.Expired : TenantStatus.Active;
+        tenant.SuspendedAt = null;
+        tenant.SuspensionReason = null;
+
+        // 3. (空行后) 同步订阅状态
+        if (subscription != null)
+        {
+            subscription.Status = isExpired ? SubscriptionStatus.GracePeriod : SubscriptionStatus.Active;
+            await tenantRepository.UpdateSubscriptionAsync(subscription, cancellationToken);
+        }
+
+        await tenantRepository.UpdateTenantAsync(tenant, cancellationToken);
+
+        // 4. (空行后) 记录审计
+        var actorName = currentUserAccessor.IsAuthenticated
+            ? $"user:{currentUserAccessor.UserId}"
+            : "system";
+
+        await tenantRepository.AddAuditLogAsync(new TenantAuditLog
+        {
+            TenantId = tenant.Id,
+            Action = TenantAuditAction.StatusChanged,
+            Title = "解冻租户",
+            Description = request.Reason,
+            OperatorId = currentUserAccessor.UserId == 0 ? null : currentUserAccessor.UserId,
+            OperatorName = actorName,
+            PreviousStatus = previousStatus,
+            CurrentStatus = tenant.Status
+        }, cancellationToken);
+
+        // 5. 保存并返回
+        await tenantRepository.SaveChangesAsync(cancellationToken);
+        return TenantMapping.ToDto(tenant, subscription, verification);
+    }
+}
+