Fix: Latest Activity ignoring today

src/KPI Generator/Reportings/User/UserReporting.cs

@@ -274,11 +274,14 @@ public class UserReporting : Reporting<UserReportingOptions>
 
     private DateTime? GetLatestActivity(Guid id)
     {
-        /*
-         * TODO: Query may take ages to execute and can lead to timeouts. Make sure to create an index!
-         *   CREATE INDEX log_idx_userid_loglevel_servertime ON Coscine.dbo.Log (UserId, LogLevel, ServerTimestamp);
-         */
-        var latestLog = _logModel.GetAllWhere(l => l.LogLevel.Equals("Analytics") && l.UserId.Equals(id)).OrderByDescending(a => a.ServerTimestamp).FirstOrDefault();
+        var today = DateTime.Today;
+        var latestLog = _logModel
+            .GetAllWhere(l => 
+                l.LogLevel.Equals("Analytics") 
+                && l.UserId.Equals(id) 
+                && l.ServerTimestamp < today)
+            .OrderByDescending(a => a.ServerTimestamp)
+            .FirstOrDefault();
         if (latestLog is not null)
         {
             return latestLog.ServerTimestamp;