refactor: 移除租户头校验并后置租户解析

2026-01-29 05:22:09 +00:00
parent d7821fa1af
commit be0282af9f
3 changed files with 35 additions and 33 deletions
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/BindInitialTenantSubscriptionCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/BindInitialTenantSubscriptionCommandHandler.cs
@@ -9,7 +9,6 @@ using TakeoutSaaS.Domain.Tenants.Repositories;
 using TakeoutSaaS.Shared.Abstractions.Constants;
 using TakeoutSaaS.Shared.Abstractions.Exceptions;
 using TakeoutSaaS.Shared.Abstractions.Ids;
-using TakeoutSaaS.Shared.Abstractions.Tenancy;

 namespace TakeoutSaaS.Application.App.Tenants.Handlers;

@@ -18,8 +17,7 @@ namespace TakeoutSaaS.Application.App.Tenants.Handlers;
 /// </summary>
 public sealed class BindInitialTenantSubscriptionCommandHandler(
    ITenantRepository tenantRepository,
-    IIdGenerator idGenerator,
-    ITenantProvider tenantProvider)
+    IIdGenerator idGenerator)
    : IRequestHandler<BindInitialTenantSubscriptionCommand, TenantSubscriptionDto>
 {
    private static readonly ConcurrentDictionary<long, SemaphoreSlim> TenantLocks = new();
@@ -27,23 +25,28 @@ public sealed class BindInitialTenantSubscriptionCommandHandler(
    /// <inheritdoc />
    public async Task<TenantSubscriptionDto> Handle(BindInitialTenantSubscriptionCommand request, CancellationToken cancellationToken)
    {
-        // 1. 校验租户上下文
-        var currentTenantId = tenantProvider.GetCurrentTenantId();
-        if (currentTenantId == 0 || currentTenantId != request.TenantId)
+        // 1. 校验请求参数
+        if (request.TenantId <= 0)
        {
-            throw new BusinessException(ErrorCodes.Forbidden, "租户上下文不匹配，请在请求头 X-Tenant-Id 指定目标租户");
+            throw new BusinessException(ErrorCodes.BadRequest, "租户 ID 无效");
        }

-        // 1.2 获取租户级幂等锁，避免并发重复创建
+        // 1.2 (空行后) 校验套餐 ID
+        if (request.TenantPackageId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "套餐 ID 无效");
+        }
+
+        // 2. 获取租户级幂等锁，避免并发重复创建
        var tenantLock = GetTenantLock(request.TenantId);
        await tenantLock.WaitAsync(cancellationToken);
        try
        {
-            // 2. 获取租户
+            // 3. 获取租户
            var tenant = await tenantRepository.FindByIdAsync(request.TenantId, cancellationToken)
                ?? throw new BusinessException(ErrorCodes.NotFound, "租户不存在");

-            // 3. 幂等校验：若已存在订阅则直接返回
+            // 4. 幂等校验：若已存在订阅则直接返回
            var existing = await tenantRepository.GetActiveSubscriptionAsync(request.TenantId, cancellationToken);
            if (existing is not null)
            {
@@ -51,7 +54,7 @@ public sealed class BindInitialTenantSubscriptionCommandHandler(
                    ?? throw new BusinessException(ErrorCodes.InternalServerError, "订阅读取失败");
            }

-            // 4. 创建 0 个月订阅（待支付/待生效）
+            // 5. 创建 0 个月订阅（待支付/待生效）
            var now = DateTime.UtcNow;
            var subscription = new TenantSubscription
            {
@@ -66,7 +69,7 @@ public sealed class BindInitialTenantSubscriptionCommandHandler(
                Notes = "初次绑定订阅"
            };

-            // 5. 记录订阅与历史
+            // 6. 记录订阅与历史
            await tenantRepository.AddSubscriptionAsync(subscription, cancellationToken);
            await tenantRepository.AddSubscriptionHistoryAsync(new TenantSubscriptionHistory
            {
@@ -83,7 +86,7 @@ public sealed class BindInitialTenantSubscriptionCommandHandler(
                Notes = "初次绑定订阅（0 个月）"
            }, cancellationToken);

-            // 6. 记录审计日志
+            // 7. 记录审计日志
            await tenantRepository.AddAuditLogAsync(new TenantAuditLog
            {
                TenantId = tenant.Id,
@@ -92,16 +95,16 @@ public sealed class BindInitialTenantSubscriptionCommandHandler(
                Description = $"套餐 {request.TenantPackageId}，时长 0 月"
            }, cancellationToken);

-            // 7. 保存变更
+            // 8. 保存变更
            await tenantRepository.SaveChangesAsync(cancellationToken);

-            // 8. 返回 DTO
+            // 9. 返回 DTO
            return subscription.ToSubscriptionDto()
                ?? throw new BusinessException(ErrorCodes.InternalServerError, "订阅绑定失败");
        }
        finally
        {
-            // 9. 释放幂等锁
+            // 10. 释放幂等锁
            tenantLock.Release();
        }
    }
--- a/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CheckTenantQuotaCommandHandler.cs
+++ b/src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/CheckTenantQuotaCommandHandler.cs
@@ -6,7 +6,6 @@ using TakeoutSaaS.Domain.Tenants.Enums;
 using TakeoutSaaS.Domain.Tenants.Repositories;
 using TakeoutSaaS.Shared.Abstractions.Constants;
 using TakeoutSaaS.Shared.Abstractions.Exceptions;
-using TakeoutSaaS.Shared.Abstractions.Tenancy;

 namespace TakeoutSaaS.Application.App.Tenants.Handlers;

@@ -17,27 +16,25 @@ public sealed class CheckTenantQuotaCommandHandler(
    ITenantRepository tenantRepository,
    ITenantPackageRepository packageRepository,
    ITenantQuotaUsageRepository quotaUsageRepository,
-    ITenantQuotaUsageHistoryRepository quotaUsageHistoryRepository,
-    ITenantProvider tenantProvider)
+    ITenantQuotaUsageHistoryRepository quotaUsageHistoryRepository)
    : IRequestHandler<CheckTenantQuotaCommand, QuotaCheckResultDto>
 {
    /// <inheritdoc />
    public async Task<QuotaCheckResultDto> Handle(CheckTenantQuotaCommand request, CancellationToken cancellationToken)
    {
        // 1. 校验请求参数
+        if (request.TenantId <= 0)
+        {
+            throw new BusinessException(ErrorCodes.BadRequest, "租户 ID 无效");
+        }
+
+        // 1.2 (空行后) 校验消耗量
        if (request.Delta <= 0)
        {
            throw new BusinessException(ErrorCodes.BadRequest, "配额消耗量必须大于 0");
        }

-        // 2. 校验租户上下文
-        var currentTenantId = tenantProvider.GetCurrentTenantId();
-        if (currentTenantId == 0 || currentTenantId != request.TenantId)
-        {
-            throw new BusinessException(ErrorCodes.Forbidden, "租户上下文不匹配，请在请求头 X-Tenant-Id 指定目标租户");
-        }
-
-        // 3. 获取租户与当前订阅
+        // 2. 获取租户与当前订阅
        _ = await tenantRepository.FindByIdAsync(request.TenantId, cancellationToken)
            ?? throw new BusinessException(ErrorCodes.NotFound, "租户不存在");

@@ -52,7 +49,7 @@ public sealed class CheckTenantQuotaCommandHandler(

        var limit = ResolveLimit(package, request.QuotaType);

-        // 4. 加载配额使用记录并计算
+        // 3. 加载配额使用记录并计算
        var usage = await quotaUsageRepository.FindAsync(request.TenantId, request.QuotaType, cancellationToken)
                    ?? new TenantQuotaUsage
                    {
@@ -63,7 +60,7 @@ public sealed class CheckTenantQuotaCommandHandler(
                        ResetCycle = ResolveResetCycle(request.QuotaType)
                    };

-        // 4.1 记录是否为首次初始化（用于落库历史）
+        // 3.1 记录是否为首次初始化（用于落库历史）
        var isNewUsage = usage.Id == 0;

        var usedAfter = usage.UsedValue + request.Delta;
@@ -74,12 +71,12 @@ public sealed class CheckTenantQuotaCommandHandler(
            throw new BusinessException(ErrorCodes.Conflict, $"{request.QuotaType} 配额不足");
        }

-        // 5. 更新使用并保存
+        // 4. 更新使用并保存
        usage.LimitValue = limit ?? usage.LimitValue;
        usage.UsedValue = usedAfter;
        usage.ResetCycle ??= ResolveResetCycle(request.QuotaType);

-        // 5.1 落库历史（初始化 + 本次消耗）
+        // 4.1 落库历史（初始化 + 本次消耗）
        var now = DateTime.UtcNow;
        if (isNewUsage)
        {
@@ -109,7 +106,7 @@ public sealed class CheckTenantQuotaCommandHandler(

        await PersistUsageAsync(usage, quotaUsageRepository, cancellationToken);

-        // 6. 返回结果
+        // 5. 返回结果
        return new QuotaCheckResultDto
        {
            QuotaType = request.QuotaType,