fix: .

Src/Dlhis.Basic/Organization/Services/Implements/GainfoUpdateService.cs

@@ -114,39 +114,43 @@ public class GainfoUpdateService : IGainfoUpdateService
 
     private async Task SavePersonAsync(List<SapPersonItem> persons)
     {
-        var validPersons = persons.Where(x => !string.IsNullOrWhiteSpace(x.ZWORKCODE)).ToList();
+        var thirdPartPersons = persons.Where(x => !string.IsNullOrWhiteSpace(x.ZWORKCODE)).ToList();
-        if (validPersons.Count <= 0)
+        if (thirdPartPersons.Count <= 0)
         {
             return;
         }
 
-        var workCodes = validPersons.Select(x => x.ZWORKCODE).Distinct().ToList();
+        var workCodes = thirdPartPersons.Select(x => x.ZWORKCODE).Distinct().ToList();
         var chunks = workCodes.Chunk(4000).ToList();
         var comparer = new SapPersonComparer();
 
         foreach (var searchCodes in chunks)
         {
             _logger.LogWarning("SAP分批处理Chunk数量:{count}", searchCodes.Length);
-            var chunkPersons = validPersons.Where(x => searchCodes.Contains(x.ZWORKCODE)).ToList();
+            var chunkThirdPartPersons = thirdPartPersons.Where(x => searchCodes.Contains(x.ZWORKCODE)).ToList();
-            var currentPersons = GetCurrentPersons(chunkPersons);
+            var currentPersons = GetCurrentPersons(chunkThirdPartPersons);
+
             var histories = await _dbContext.Queryable<GainfoSapEntity>()
                 .Where(x => searchCodes.Contains(x.ename))
                 .ToListAsync();
 
-            var historyPersons = histories.Select(ToSapPersonItem).ToList();
+            var latestHistoryPersons = histories
+                .OrderByDescending(x => x.logdate)
+                .GroupBy(x => x.ename)
+                .ToDictionary(x => x.Key, x => ToSapPersonItem(x.First()));
 
-            foreach (var person in chunkPersons)
+            foreach (var person in chunkThirdPartPersons)
             {
                 try
                 {
-                    if (historyPersons.Any(x => comparer.Equals(person, x)))
+                    if (latestHistoryPersons.TryGetValue(person.ZWORKCODE, out var latestHistory) && comparer.Equals(person, latestHistory))
                     {
                         continue;
                     }
 
                     var item = ToGainfoSap(person);
                     await InsertGainfoSapHistoryAsync(item);
-                    historyPersons.Add(ToSapPersonItem(item));
+                    latestHistoryPersons[person.ZWORKCODE] = ToSapPersonItem(item);
                 }
                 catch (Exception ex)
                 {
@@ -535,7 +539,6 @@ public class GainfoUpdateService : IGainfoUpdateService
                 .ToListAsync();
             var latestItems = items
                 .OrderByDescending(x => x.logdate)
-                .ThenByDescending(x => x.id)
                 .GroupBy(x => x.ename)
                 .Select(x => x.First())
                 .ToList();