外部人员删除

IRaCIS.Core.Application/Service/TrialSiteUser/TrialExternalUserService.cs

@@ -176,6 +176,14 @@ namespace IRaCIS.Core.Application.Service
         [Authorize(Policy = IRaCISPolicy.PM_APM)]
         public async Task<IResponseOutput> DeleteTrialExternalUser(Guid trialExternalUserId, bool isSystemUser, Guid systemUserId)
         {
+            var trialExternalUser = await _trialExternalUseRepository.FirstOrDefaultAsync(t => t.Id == trialExternalUserId);
+
+            if (await _trialUserRepository.AnyAsync(t => t.TrialId == trialExternalUser.TrialId && t.Id == trialExternalUser.SystemUserId))
+            {
+                return ResponseOutput.NotOk("当前用户已参与到项目，不允许删除");
+            }
+
+
             var success = await _trialExternalUseRepository.BatchDeleteNoTrackingAsync(t => t.Id == trialExternalUserId);
 
             if (isSystemUser == false)