--- loncom/interface/multidownload.pl	2007/05/05 18:51:49	1.25
+++ loncom/interface/multidownload.pl	2007/05/23 19:31:21	1.33
@@ -2,8 +2,7 @@
 # CGI-script to allow download of all essay submissions of 
 # multiple students.
 #
-# $Id: multidownload.pl,v 1.25 2007/05/05 18:51:49 banghart Exp $
-#
+# $Id: multidownload.pl,v 1.33 2007/05/23 19:31:21 banghart Exp $
 # Copyright Michigan State University Board of Trustees
 #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
@@ -89,6 +88,7 @@ END
 my $identifier = $ENV{'QUERY_STRING'};
 my $unique_path = $identifier.time();
 print(&Apache::loncommon::start_page('Multiple Downloads'));
+    
 
 my $scope = $env{'request.course.id'};
 if ($env{'request.course.sec'}) {
@@ -105,24 +105,33 @@ if (&Apache::lonnet::allowed('vgr',$scop
     $zipout .= "$identifier.zip";
     my $courseid = $env{'request.course.id'};
     my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
+    my $number_of_students = scalar(@stuchecked);
+    my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Processing Status',
+                                                    'Preparing Zip File',$number_of_students,'inline','80');
     my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
     my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
     my $uname = $env{'user.name'};
     my $udom = $env{'user.domain'};
     my $unique_user = $uname.":".$udom;
     &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path",0,0700);
-    if (!open MANIFEST, ">$doc_zip_root/zipdir/$unique_user/$unique_path/manifest.txt") {
+    if (!open(MANIFEST, ">$doc_zip_root/zipdir/$unique_user/$unique_path/manifest.txt")) {
         &Apache::lonnet::logthis("Problem making manifest");
     }
-    print MANIFEST &mt("Files contained in this zip:\n");
+    print MANIFEST (&mt("Zip file generated on [_1]",&Apache::lonlocal::locallocaltime(time()))."\n");
+    print MANIFEST (&mt("Course: [_1]",$env{"course.$courseid.description"})."\n");
+    print MANIFEST (&mt("Problem: [_1]",$res->compTitle)."\n");
+    print MANIFEST (&mt("Files contained in this zip:\n"));
     my $file_problem = 0;
+    my $current_student = 0;
     foreach my $stu (@stuchecked) {
+        $current_student ++;
+        &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,"Processing student $current_student of $number_of_students");
         my %files_saved;
         my ($stuname,$studom,$fullname) = split(/:/,$stu);
         my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
         my $file_url = '/uploaded/'.$studom.'/'.$stuname.'/portfolio';
-        print MANIFEST $fullname."\n";
-         
+        print MANIFEST ($fullname."\n");
+        my $submission_count = 0;
         foreach my $partid (@$partlist) {
             my @ids = $res->responseIds($partid);
             foreach my $respid(@ids) {
@@ -131,10 +140,10 @@ if (&Apache::lonnet::allowed('vgr',$scop
                 foreach my $file (split(',',$record{"resource.$partid.$respid.portfiles"})) {
                     $file = $file_url.$file;
                     my ($file_name_only) = ($file =~ /^.*\/(.+$)/);
-                    print MANIFEST "\t$file_name_only \n";
+                    print MANIFEST ("\t$file_name_only \n");
+                    $submission_count ++;
                     &Apache::lonnet::repcopy($file);
                     my $source = &Apache::lonnet::filelocation("",$file);
-                    
                     my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname$part_resp_path/$file_name_only";
                     if (exists($files_saved{$destination})) {
                         # file has already been saved once
@@ -145,15 +154,17 @@ if (&Apache::lonnet::allowed('vgr',$scop
                     $files_saved{$destination}++;
                     if (!&copy($source,$destination)) {
                         if (!$file_problem) {
-                            print &mt("Unable to create: <br />");
+                            print(&mt("Unable to create: <br />"));
                             $file_problem = 1;
                         }
-                        print ("$stuname/part$partid/resp$respid/$file_name_only <br />");
+                        print("$stuname/part$partid/resp$respid/$file_name_only <br />");
                     }
                 }
             }
         }
-        
+        if (!$submission_count) {
+            print MANIFEST ("\tNo Files Submitted \n");
+        }
     }
     
     &mkpath($doc_zip_root."/zipout/$unique_user",0,0700);
@@ -168,9 +179,10 @@ if (&Apache::lonnet::allowed('vgr',$scop
     }
     $statement = "rm -rf $doc_zip_root/zipdir/$unique_user/$unique_path";
     system($statement);
-    print('<a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
-            &mt("Click to download").'</a><br />');
-    close MANIFEST;
+    &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state);
+    print('<p><a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
+            &mt("Click to download").'</a></p><br />');
+    close(MANIFEST);
 } else {
     print(&mt('You are not authorized to download student submissions.'));
 }