Cache json instead of complex object

Expedience.Infrastructure/ExpedienceRepository.cs

@@ -3,6 +3,7 @@
 using Enyim.Caching;
 using Expedience.Infrastructure.Models;
 using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
 
 namespace Expedience.Infrastructure
 {
@@ -25,13 +26,23 @@ namespace Expedience.Infrastructure
         public async Task<List<DutyCompletionRecord>> GetDutyCompletionRecords(string expac, CancellationToken cancellationToken)
         {
             var cacheKey = $"xpd-dcr-{expac}";
-            var cacheSeconds = 600;
-            var records = await _memcachedClient.GetValueOrCreateAsync(cacheKey, cacheSeconds,
-                async () => await _dbContext.DutyCompletionRecords.FromSqlInterpolated($"SELECT * FROM public.get_dutycompletionrecords({expac})")
-                    .ToListAsync());
+
+            if (_memcachedClient.TryGet<string>(cacheKey, out var cachedRecords))
+            {
+                return JsonConvert.DeserializeObject<List<DutyCompletionRecord>>(cachedRecords);
+            }
+            else
+            {
+                var records = await _dbContext.DutyCompletionRecords.FromSqlInterpolated($"SELECT * FROM public.get_dutycompletionrecords({expac})")
+                    .ToListAsync();
+
+                var json = JsonConvert.SerializeObject(records);
+
+                await _memcachedClient.AddAsync(cacheKey, json, TimeSpan.FromMinutes(10));
                 
                 return records;
             }
+        }
 
         public void Dispose()
         {