Merge pull request 'allow-retro-logbookentry' (#710) from allow-retro-logbookentry into staging

Reviewed-on: #710

src/model/logbook.rs

@@ -594,9 +594,15 @@ ORDER BY departure DESC
         let today = Local::now().date_naive();
         let day_diff = today - arr.date();
         let day_diff = day_diff.num_days();
-        if day_diff >= 7 && !user.has_role_tx(db, "admin").await {
+        if day_diff >= 7 {
+            if !user.has_role_tx(db, "admin").await
+                && !user
+                    .has_role_tx(db, "allow-retroactive-logbookentries")
+                    .await
+            {
                 return Err(LogbookUpdateError::OnlyAllowedToEndTripsEndingToday);
             }
+        }
         if day_diff < 0 && !user.has_role_tx(db, "admin").await {
             return Err(LogbookUpdateError::OnlyAllowedToEndTripsEndingToday);
         }