Fixed PCRB attendees bug

MesaFabApproval.API/Services/PCRBService.cs

@@ -485,6 +485,20 @@ public class PCRBService : IPCRBService {
             int rowsAffected = await _dalService.ExecuteAsync(queryBuilder.ToString());
 
             if (rowsAffected <= 0) throw new Exception("update failed in database");
+
+            IEnumerable<PCRBAttendee>? attendees = _cache.Get<IEnumerable<PCRBAttendee>>($"pcrbAttendees{attendee.PlanNumber}");
+            if (attendees is not null) {
+                foreach (PCRBAttendee cachedAttendee in attendees) {
+                    if (cachedAttendee.ID == attendee.ID) {
+                        cachedAttendee.Location = attendee.Location;
+                        cachedAttendee.Attended = attendee.Attended;
+                        cachedAttendee.JobTitle = attendee.JobTitle;
+                        cachedAttendee.AttendeeID = attendee.AttendeeID;
+                        cachedAttendee.Step = attendee.Step;
+                    }
+                }
+                _cache.Set($"pcrbAttendees{attendee.PlanNumber}", attendees, DateTimeOffset.Now.AddMinutes(15));
+            }
         } catch (Exception ex) {
             _logger.LogError($"Unable to update attendee, because {ex.Message}");
             throw;