--- loncom/interface/loncoursedata.pm	2002/08/29 03:04:10	1.25
+++ loncom/interface/loncoursedata.pm	2002/08/31 18:31:15	1.27
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # (Publication Handler
 #
-# $Id: loncoursedata.pm,v 1.25 2002/08/29 03:04:10 stredwic Exp $
+# $Id: loncoursedata.pm,v 1.27 2002/08/31 18:31:15 stredwic Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -693,11 +693,22 @@ sub ProcessStudentData {
         return;
     }
 
+    if(defined($cache->{$name.':keys'})) {
+	foreach (split(':::', $cache->{$name.':keys'})) {
+	    delete $cache->{$name.':'.$_};
+	}
+    }
+
+    my %courseKeys;
     # user name:domain was prepended earlier in DownloadCourseInformation
     foreach (keys %$courseData) {
+	my $currentKey =~ s/^$name//;
+	$courseKeys{$currentKey}++;
         $cache->{$_}=$courseData->{$_};
     }
 
+    $cache->{$name.':keys'} = join(':::', keys(%courseKeys));
+
     return;
 }
 
@@ -753,6 +764,13 @@ sub ExtractStudentData {
         return;
     }
 
+    my %allkeys;
+    if(defined($output->{$name.':keys'})) {
+	foreach (split(':::', $output->{$name.':keys'})) {
+	    delete $output->{$name.':'.$_};
+	}
+    }
+
     my ($username,$domain)=split(':',$name);
 
     my $Version;
@@ -768,6 +786,8 @@ sub ExtractStudentData {
 
             # Output dashes for all the parts of this problem if there
             # is no version information about the current problem.
+            $output->{$name.':'.$problemID.':NoVersion'} = 'false';
+            $allkeys{$name.':'.$problemID.':NoVersion'}++;
             if(!$LatestVersion) {
                 foreach my $part (split(/\:/,$data->{$sequence.':'.
                                                       $problemID.
@@ -775,6 +795,9 @@ sub ExtractStudentData {
                     $output->{$name.':'.$problemID.':'.$part.':tries'} = 0;
                     $output->{$name.':'.$problemID.':'.$part.':awarded'} = 0;
                     $output->{$name.':'.$problemID.':'.$part.':code'} = ' ';
+		    $allkeys{$name.':'.$problemID.':'.$part.':tries'}++;
+		    $allkeys{$name.':'.$problemID.':'.$part.':awarded'}++;
+		    $allkeys{$name.':'.$problemID.':'.$part.':code'}++;
                     $totalProblems++;
                 }
                 $output->{$name.':'.$problemID.':NoVersion'} = 'true';
@@ -860,6 +883,7 @@ sub ExtractStudentData {
                                                  ':parts'})) {
                 $output->{$name.':'.$problemID.':'.$part.':wrong'} = 
                     $partData{$part.':tries'};
+		$allkeys{$name.':'.$problemID.':'.$part.':wrong'}++;
 
                 if($partData{$part.':code'} eq '*') {
                     $output->{$name.':'.$problemID.':'.$part.':wrong'}--;
@@ -875,14 +899,22 @@ sub ExtractStudentData {
                     $partData{$part.':code'};
                 $output->{$name.':'.$problemID.':'.$part.':awarded'} =
                     $partData{$part.':awarded'};
+		$allkeys{$name.':'.$problemID.':'.$part.':tries'}++;
+		$allkeys{$name.':'.$problemID.':'.$part.':code'}++;
+		$allkeys{$name.':'.$problemID.':'.$part.':awarded'}++;
+
                 $totalAwarded += $partData{$part.':awarded'};
                 $output->{$name.':'.$problemID.':'.$part.':timestamp'} =
                     $partData{$part.':timestamp'};
+		$allkeys{$name.':'.$problemID.':'.$part.':timestamp'}++;
+
                 foreach my $response (split(':', $data->{$sequence.':'.
                                                          $problemID.':'.
                                                          $part.':responseIDs'})) {
                     $output->{$name.':'.$problemID.':'.$part.':'.$response.
                               ':submission'}=join(':::',@submissions);
+		    $allkeys{$name.':'.$problemID.':'.$part.':'.$response.
+			     ':submission'}++;
                 }
 
                 if($partData{$part.':code'} ne 'x') {
@@ -892,6 +924,7 @@ sub ExtractStudentData {
         }
 
         $output->{$name.':'.$sequence.':problemsCorrect'} = $problemsCorrect;
+	$allkeys{$name.':'.$sequence.':problemsCorrect'}++;
         $problemsSolved += $problemsCorrect;
 	$problemsCorrect=0;
     }
@@ -899,6 +932,11 @@ sub ExtractStudentData {
     $output->{$name.':problemsSolved'} = $problemsSolved;
     $output->{$name.':totalProblems'} = $totalProblems;
     $output->{$name.':totalAwarded'} = $totalAwarded;
+    $allkeys{$name.':problemsSolved'}++;
+    $allkeys{$name.':totalProblems'}++;
+    $allkeys{$name.':totalAwarded'}++;
+
+    $output->{$name.':keys'} = join(':::', keys(%allkeys));
 
     return;
 }