fix entries in non-rated files not being picked up

Thanks to CMDR Shakaka

BGS/Report.cs

@@ -50,11 +50,29 @@ namespace EliteBGS.BGS {
         }
 
         public void Scan(PlayerJournal journal, DateTime start, DateTime end) {
-            var entries = from file in journal.Files
+            /* Log files only get rotated if you restart the game client. This means that there might
-                          where file.NormalisedDateTime >= start && file.NormalisedDateTime <= end
+             * be - say - entries from the 4th of May in the file with a timestamp of 3rd of May. This
-                          select file.Entries
+             * happens if you happen to play a session late into the night.
+             * At first I tried extracting the first and last line of a file to see the date range, but
+             * if you have a lot of files this becomes quite slow, and quite the memory hog (as journal
+             * files have to be read in their entirety to check this). So we assume that you can't play
+             * three days straight, and keep the code fast.
+             */
+            DateTime actualstart = start.AddDays(-3);
+            List<Entry> entries = journal.Files
+                .Where(f => f.NormalisedDateTime >= actualstart && f.NormalisedDateTime <= end)
+                .SelectMany(e => e.Entries)
+                .ToList()
                 ;
-            Scan(entries.SelectMany(x => x).ToList());
+            // Now further sort the list down to entries that are actually within the given datetime
+            // Note that entry datetimes are not normalised, so we have to sort until end + 1 day
+            DateTime actualend = end.AddDays(1);
+
+            entries = entries
+                .Where(e => e.Timestamp >= start && e.Timestamp < actualend)
+                .ToList()
+                ;
+            Scan(entries);
         }
 
         public void Scan(List<Entry> entries) {

CHANGELOG.md

@@ -1,5 +1,9 @@
 # EliteBGS changelog
 
+## 0.1.x on XX.06.2022
+
+* Fixed a bug where entries in non-rated journal files were not properly picked up.
+
 ## 0.1.2 on 06.04.2022
 
 * If you remove an item the tree items stay collapsed/expanded. (thanks CMDR NeedX).