--- loncom/interface/spreadsheet/Spreadsheet.pm	2003/06/25 15:33:49	1.18
+++ loncom/interface/spreadsheet/Spreadsheet.pm	2003/07/16 16:48:51	1.19
@@ -1,5 +1,5 @@
 #
-# $Id: Spreadsheet.pm,v 1.18 2003/06/25 15:33:49 matthew Exp $
+# $Id: Spreadsheet.pm,v 1.19 2003/07/16 16:48:51 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -248,18 +248,27 @@ sub load_spreadsheet_expirationdates {
 sub check_expiration_time {
     my $self = shift;
     my ($time)=@_;
-    my ($key1,$key2,$key3,$key4);
+    my ($key1,$key2,$key3,$key4,$key5);
+    # Description of keys
+    #
+    # key1: all sheets of this type have expired
+    # key2: all sheets of this type for this student
+    # key3: all sheets of this type in this map for this student
+    # key4: this assessment sheet for this student
+    # key5: this assessment sheet for all students
     $key1 = '::'.$self->{'type'}.':';
     $key2 = $self->{'name'}.':'.$self->{'domain'}.':'.$self->{'type'}.':';
     $key3 = $key2.$self->{'container'} if (defined($self->{'container'}));
-    $key4 = $key2.$self->{'usymb'} if (defined($self->{'usymb'}));
-    foreach my $key ($key1,$key2,$key3,$key4) {
+    $key4 = $key2.$self->{'symb'} if (defined($self->{'symb'}));
+    $key5 = $key1.$self->{'symb'} if (defined($self->{'symb'}));
+    my $returnvalue = 1; # default to okay
+    foreach my $key ($key1,$key2,$key3,$key4,$key5) {
         next if (! defined($key));
-        if (exists($expiredates{$key}) &&$expiredates{$key} > $time) {
-            return 0;
+        if (exists($expiredates{$key}) && $expiredates{$key} > $time) {
+            $returnvalue = 0; # need to recompute
         }
     }
-    return 1;
+    return $returnvalue;
 }
 
 ######################################################
@@ -1641,7 +1650,7 @@ sub save {
 sub save_tmp {
     my $self = shift;
     my $filename=$ENV{'user.name'}.'_'.
-        $ENV{'user.domain'}.'_spreadsheet_'.$self->{'usymb'}.'_'.
+        $ENV{'user.domain'}.'_spreadsheet_'.$self->{'symb'}.'_'.
            $self->{'filename'};
     $filename=~s/\W/\_/g;
     $filename=$Apache::lonnet::tmpdir.$filename.'.tmp';
@@ -1661,7 +1670,7 @@ sub save_tmp {
 sub load_tmp {
     my $self = shift;
     my $filename=$ENV{'user.name'}.'_'.
-        $ENV{'user.domain'}.'_spreadsheet_'.$self->{'usymb'}.'_'.
+        $ENV{'user.domain'}.'_spreadsheet_'.$self->{'symb'}.'_'.
             $self->{'filename'};
     $filename=~s/\W/\_/g;
     $filename=$Apache::lonnet::tmpdir.$filename.'.tmp';