modification of empty submits now possible.

[banana.git] / admin / sessionoverview.php

diff --git a/admin/sessionoverview.php b/admin/sessionoverview.php
index 570f59bd09ec274c93f3d91a132931ca0caff319..449ace16a01674f4f7680f298f0a3ce6919e680a 100644 (file)
--- a/admin/sessionoverview.php
+++ b/admin/sessionoverview.php
@@ -23,9 +23,11 @@
     $up_mnumber = trim($_GET['mnumber']);
     $up_tstamp = trim($_GET['tstamp']);
     $up_editsub = trim($_GET['editsub']);
+    $up_manydone = count(explode(",",$up_editsub));
 
     if( $db->query("SELECT COUNT(*) FROM workdone WHERE mnumber=$up_mnumber AND session=$up_sessionid AND tstamp=$up_tstamp")->fetch(PDO::FETCH_NUM)[0] == 0 ) {
-      $db->query("UPDATE workdone SET thisdone='$up_editsub', manydone=" . count(explode(",",$up_editsub)) . ",tstamp=$up_tstamp WHERE mnumber=$up_mnumber AND session=$up_sessionid");
+      $db->query("DELETE FROM workdone WHERE mnumber=$up_mnumber AND session=$up_sessionid");
+      $db->query("INSERT INTO workdone (session,mnumber,thisdone,manydone,tstamp) values ($up_sessionid,$up_mnumber,\"$up_editsub\",$up_manydone,$up_tstamp)");
       block("lightgreen", "modified submit");
     }
   }
@@ -34,8 +36,8 @@
   print "<select name='sessionselected' onchange='this.form.submit()'>";
   foreach($SESSIONS as $session) {
     $note = "";
-    if( $session['id'] == $SESSIONS_actual ) { $note = "(next)"; }
-    if( $session['id'] == $SESSIONS_last ) { $note = "(last)"; }
+    if( isset($SESSIONS_actual) && $session['id'] == $SESSIONS_actual ) { $note = "(next)"; }
+    if( isset($SESSIONS_last) && $session['id'] == $SESSIONS_last ) { $note = "(last)"; }
     if( $showsession != $session['id'] ) {
       print "<option value=" . $session['id'] . ">" . $session['timestr'] . " " . $note . "</option>";
     }
@@ -53,7 +55,7 @@
   print "<table>";
   print "<td><b>First name&nbsp;</b></td><td><b>Last name&nbsp;</b></td><td><b>Matr.nummer&nbsp;</b></td><td><b>Examples&nbsp;</b></td>";
 
-  if( $showsession == $SESSIONS_actual ) {
+  if( isset($SESSIONS_actual) && $showsession == $SESSIONS_actual ) {
     print "<td><b>Blackboard&nbsp;</b></td>";
   }
   else {
@@ -74,7 +76,7 @@
     print "<td>" . $student['mnumber'] . "</td>";
     print "<td>" . $thisdone . " (" . $exdone . "/" . $SESSIONS[$showsession]['nexamples'] . ")</td>";
 
-    if( $showsession != $SESSIONS_actual ) {
+    if( (! isset($SESSIONS_actual)) || $showsession != $SESSIONS_actual ) {
       print "<td><form style='margin: 0; padding: 0' action='sessionoverview.php'>";
       if( isset($_GET['sessionselected']) ) { print "<input type='hidden' name='sessionselected' value='" . $_GET['sessionselected'] . "' />"; } 
       print "<input type='hidden' name='sessionid' value='" . $showsession . "' />";