From 6a2f92acc1a6d603f9648bf923794bda222e5c14 Mon Sep 17 00:00:00 2001
From: Alexander Hjelm <alexander.hjelm@solidify.dev>
Date: Sat, 21 Dec 2024 13:40:59 +0100
Subject: [PATCH] Defer link import if the revision has multiple link updates

---
 src/WorkItemMigrator/WorkItemImport/Agent.cs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/WorkItemMigrator/WorkItemImport/Agent.cs b/src/WorkItemMigrator/WorkItemImport/Agent.cs
index 9171b1c..b932190 100644
--- a/src/WorkItemMigrator/WorkItemImport/Agent.cs
+++ b/src/WorkItemMigrator/WorkItemImport/Agent.cs
@@ -664,8 +664,9 @@ private bool ApplyAndSaveLinks(WiRevision rev, WorkItem wi, Settings settings)
                 saveLinkTimestamp = saveLinkTimestamp.AddMilliseconds(2);
             }
             
-            foreach (var link in rev.Links)
+            for (int i = 0; i < rev.Links.Count; i++)
             {
+                var link = rev.Links[i];
                 try
                 {
                     int sourceWiId = _context.Journal.GetMigratedId(link.SourceOriginId);
@@ -684,6 +685,13 @@ private bool ApplyAndSaveLinks(WiRevision rev, WorkItem wi, Settings settings)
                         continue;
                     }
 
+                    if (i > 0)
+                    {
+                        // If this has multiple link updates, defer each ubsequent link import by 2 miliseconds.
+                        // Otherwise the Work Items API will send the response: "VS402625: Dates must be increasing with each revision"
+                        saveLinkTimestamp = saveLinkTimestamp.AddMilliseconds(2);
+                    }
+
                     if (link.Change == ReferenceChangeType.Added && !_witClientUtils.AddAndSaveLink(link, wi, settings, rev.Author, saveLinkTimestamp))
                     {
                         success = false;