分布式锁 sqlserver 05 项目迁移修改

IRaCIS.Core.Application/Service/Institution/SiteService.cs

@@ -3,7 +3,7 @@ using IRaCIS.Application.Contracts;
 using IRaCIS.Core.Infra.EFCore;
 using Microsoft.AspNetCore.Mvc;
 using IRaCIS.Core.Domain.Share;
-using Nito.AsyncEx;
+using Medallion.Threading;
 
 namespace IRaCIS.Application.Services
 {
@@ -12,13 +12,13 @@ namespace IRaCIS.Application.Services
     {
         private readonly IRepository<Site> _siteRepository;
         private readonly IRepository<TrialSiteUser> _trialSiteUserRepository;
+        private readonly IDistributedLockProvider _distributedLockProvider;
 
-        private readonly AsyncLock _mutex = new AsyncLock();
-
-        public SiteService(IRepository<Site> siteRepository, IRepository<TrialSiteUser> trialSiteUserRepository)
+        public SiteService(IRepository<Site> siteRepository, IRepository<TrialSiteUser> trialSiteUserRepository, IDistributedLockProvider distributedLockProvider)
         {
             _siteRepository = siteRepository;
-            this._trialSiteUserRepository = trialSiteUserRepository;
+            _trialSiteUserRepository = trialSiteUserRepository;
+            _distributedLockProvider = distributedLockProvider;
         }
 
         /// <summary> 分页获取研究中心列表 </summary>
@@ -58,7 +58,9 @@ namespace IRaCIS.Application.Services
                 VerifyMsg = _localizer["Site_DupName"]
             };
 
-            using (await _mutex.LockAsync())
+            var @lock = _distributedLockProvider.CreateLock($"SiteAdd");
+
+            using (await @lock.AcquireAsync())
             {
                 if (siteCommand.Id == null)
                 {