From fcea930220d4896e30baa93ee1603b08df1ff4d7 Mon Sep 17 00:00:00 2001
From: Alexander Schmidt <alex@treefish.org>
Date: Mon, 8 Oct 2012 17:21:42 +0200
Subject: [PATCH] ...

---
 admin/sessionoverview.php | 93 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 admin/sessionoverview.php

diff --git a/admin/sessionoverview.php b/admin/sessionoverview.php
new file mode 100644
index 0000000..570f59b
--- /dev/null
+++ b/admin/sessionoverview.php
@@ -0,0 +1,93 @@
+<?php
+  require 'include/head.inc';
+  require 'include/db.inc';
+  require 'include/session.inc';
+  require 'include/common.inc';
+
+  if ( isset($SESSIONS_actual) ) {
+    $showsession = $SESSIONS_actual;
+  }
+  else if ( isset($SESSIONS_last) ) {
+    block("red", "no next session");
+    $showsession = $SESSIONS_last;
+  }
+  else {
+    block("red", "no sessions defined");
+    exit;
+  }
+
+  if( isset($_GET['sessionselected']) ) { $showsession = trim($_GET['sessionselected']); }
+
+  if( isset($_GET['sessionid']) && isset($_GET['mnumber']) && isset($_GET['tstamp']) && isset($_GET['editsub']) ) {
+    $up_sessionid = trim($_GET['sessionid']);
+    $up_mnumber = trim($_GET['mnumber']);
+    $up_tstamp = trim($_GET['tstamp']);
+    $up_editsub = trim($_GET['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");
+      block("lightgreen", "modified submit");
+    }
+  }
+
+  print "<form action='sessionoverview.php'>";
+  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( $showsession != $session['id'] ) {
+      print "<option value=" . $session['id'] . ">" . $session['timestr'] . " " . $note . "</option>";
+    }
+    else {
+      print "<option value=" . $session['id'] . " selected='selected'>" . $session['timestr'] . " " . $note . "</option>";
+    }
+  } 
+  print "</select>";
+  print "</form>";
+
+  block("black", "summary for session " . $SESSIONS[$showsession]['timestr'] . " (" . $SESSIONS[$showsession]['examples'] . ")");
+
+  $result = $db->query("SELECT firstname, lastname, mnumber, blackboard FROM students ORDER BY LOWER(lastname)");
+
+  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 == $SESSIONS_actual ) {
+    print "<td><b>Blackboard&nbsp;</b></td>";
+  }
+  else {
+    print "<td><b>Modify&nbsp;</b></td>";
+  }
+
+  while ($student = $result->fetch(PDO::FETCH_ASSOC)) {
+    $result2 = $db->query("SELECT manydone, thisdone FROM workdone WHERE mnumber=" . $student['mnumber'] . " AND session=" . $showsession)->fetch(PDO::FETCH_NUM);
+
+    $exdone = $result2[0];
+    if ($exdone == "") { $exdone=0; }
+
+    $thisdone = $result2[1];
+
+    print "<tr>";
+    print "<td>" . $student['firstname'] . "</td>";
+    print "<td>" . $student['lastname'] . "</td>";
+    print "<td>" . $student['mnumber'] . "</td>";
+    print "<td>" . $thisdone . " (" . $exdone . "/" . $SESSIONS[$showsession]['nexamples'] . ")</td>";
+
+    if( $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 . "' />";
+      print "<input type='hidden' name='mnumber' value='" . $student['mnumber'] . "' />";
+      print "<input type='hidden' name='tstamp' value='" . time() . "' />";
+      print "<input size='10' name='editsub' type='text' value='" . $thisdone . "'>";
+      print "</form></td>";
+    }
+    else {
+      print "<td>" . $student['blackboard'] . "</td>";
+    }
+
+    print "</tr>";
+  }
+  print "</table>";
+?>
-- 
2.39.2