From d19f47709ffbdc73fc15011d321ab1d249e47ad5 Mon Sep 17 00:00:00 2001
From: skodak <skodak>
Date: Wed, 13 Feb 2008 09:48:46 +0000
Subject: [PATCH] MDL-13375 fix for duplicate itemnumbers in outcome items;
 merged from MOODLE_19_STABLE

---
 course/modedit.php | 32 ++++++++++++++++----------------
 lib/gradelib.php   | 12 ++++++++++++
 2 files changed, 28 insertions(+), 16 deletions(-)

diff --git a/course/modedit.php b/course/modedit.php
index 552242a483..0c5d5f2b83 100644
--- a/course/modedit.php
+++ b/course/modedit.php
@@ -356,38 +356,38 @@
         if ($outcomes = grade_outcome::fetch_all_available($COURSE->id)) {
             $grade_items = array();
 
+            // Outcome grade_item.itemnumber start at 1000, there is nothing above outcomes
+            $max_itemnumber = 999;
+            if ($items) {
+                foreach($items as $item) {
+                    if ($item->itemnumber > $max_itemnumber) {
+                        $max_itemnumber = $item->itemnumber;
+                    }
+                }
+            }
+
             foreach($outcomes as $outcome) {
                 $elname = 'outcome_'.$outcome->id;
 
                 if (array_key_exists($elname, $fromform) and $fromform->$elname) {
-                    // we have a request for new outcome grade item
-                    // Outcome grade_item.itemnumber start at 1000
-                    $max_itemnumber = 999;
-                    $exists = false;
+                    // so we have a request for new outcome grade item?
                     if ($items) {
                         foreach($items as $item) {
                             if ($item->outcomeid == $outcome->id) {
-                                $exists = true;
-                                break;
-                            }
-                            if (empty($item->outcomeid)) {
-                                continue;
-                            }
-                            if ($item->itemnumber > $max_itemnumber) {
-                                $max_itemnumber = $item->itemnumber;
+                                //outcome aready exists
+                                continue 2;
                             }
                         }
                     }
-                    if ($exists) {
-                        continue;
-                    }
+
+                    $max_itemnumber++;
 
                     $outcome_item = new grade_item();
                     $outcome_item->courseid     = $COURSE->id;
                     $outcome_item->itemtype     = 'mod';
                     $outcome_item->itemmodule   = $fromform->modulename;
                     $outcome_item->iteminstance = $fromform->instance;
-                    $outcome_item->itemnumber   = $max_itemnumber + 1;
+                    $outcome_item->itemnumber   = $max_itemnumber;
                     $outcome_item->itemname     = $outcome->fullname;
                     $outcome_item->outcomeid    = $outcome->id;
                     $outcome_item->gradetype    = GRADE_TYPE_SCALE;
diff --git a/lib/gradelib.php b/lib/gradelib.php
index 53a3a31f0e..677a7b4e6a 100644
--- a/lib/gradelib.php
+++ b/lib/gradelib.php
@@ -439,6 +439,18 @@ function grade_get_grades($courseid, $itemtype, $itemmodule, $iteminstance, $use
                         $outcome->grades[$userid] = $grade;
                     }
                 }
+
+                if (isset($return->outcomes[$grade_item->itemnumber])) {
+                    // itemnumber duplicates - lets fix them!
+                    $newnumber = $grade_item->itemnumber + 1;
+                    while(grade_item::fetch(array('itemtype'=>$itemtype, 'itemmodule'=>$itemmodule, 'iteminstance'=>$iteminstance, 'courseid'=>$courseid, 'itemnumber'=>$newnumber))) {
+                        $newnumber++;
+                    }
+                    $outcome->itemnumber    = $newnumber;
+                    $grade_item->itemnumber = $newnumber;
+                    $grade_item->update('system');
+                }
+
                 $return->outcomes[$grade_item->itemnumber] = $outcome;
 
             }
-- 
2.39.5