--- loncom/interface/multidownload.pl	2007/04/26 23:07:34	1.15
+++ loncom/interface/multidownload.pl	2007/04/30 22:47:28	1.23
@@ -2,7 +2,7 @@
 # CGI-script to allow download of all essay submissions of 
 # multiple students.
 #
-# $Id: multidownload.pl,v 1.15 2007/04/26 23:07:34 banghart Exp $
+# $Id: multidownload.pl,v 1.23 2007/04/30 22:47:28 banghart Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -34,8 +34,8 @@ use File::Basename;
 use File::Copy;
 use IO::File;
 use Apache::lonhtmlcommon();
+use Apache::lonnavmaps;
 use Apache::lonnet;
-use Apache::grades;
 use Apache::loncommon();
 use Apache::lonlocal;
 use Apache::lonmsg();
@@ -69,63 +69,76 @@ if ($env{'request.course.sec'}) {
 }
 if (&Apache::lonnet::allowed('vgr',$scope) eq 'F') {
     my $symb = $env{'cgi.'.$identifier.'.symb'};
-    $symb =~ /^.*\/(.+)\.problem$/;
-    my $zipout = $1.".zip";
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    my $res = $navmap->getBySymb($symb);
+    my $partlist = $res->parts();
+    my ($zipout) = ($symb =~ /^.*\/(.+)\.problem$/);
     $zipout =~ s/\s/_/g;
+    $zipout .= "$identifier.zip";
     my $courseid = $env{'request.course.id'};
     my @stuchecked = split(/\n/,$env{'cgi.'.$identifier.'.students'});
     my @parts = split(/\n/,$env{'cgi.'.$identifier.'.parts'});
-    my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
-    my @part_response_id = &Apache::grades::flatten_responseType($responseType);
     my $doc_zip_root = $Apache::lonnet::perlvar{'lonZipDir'};
-    my ($partlist,$handgrade,$responseType) = &Apache::grades::response_type($symb);
     my $uname = $env{'user.name'};
     my $udom = $env{'user.domain'};
-    &mkpath($doc_zip_root."/zipdir/$uname$udom/$unique_path",0,0700);
+    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") {
+        &Apache::lonnet::logthis("Problem making manifest");
+    }
+    print MANIFEST "Files contained in this zip:\n";
     my $file_problem = 0;
     foreach my $stu (@stuchecked) {
         my %files_saved;
-        my $file_increment = 2;
         my ($stuname,$studom,$fullname) = split(/:/,$stu);
         my %record = &Apache::lonnet::restore($symb,$courseid,$studom,$stuname);
-        foreach my $part (@part_response_id) {
-            my ($partid,$respid) = @{$part};
-            &mkpath($doc_zip_root."/zipdir/$uname$udom/$unique_path/$stuname/part$partid/resp$respid",0,0700);
-            my $files = &Apache::grades::get_submitted_files($studom,$stuname,$partid,$respid,\%record);
-            foreach my $file (@$files) {
-                $file =~ /(^.*\/)(.+$)/;
-                my $file_name_only = $2;
-                &Apache::lonnet::repcopy($file);
-                my $source = &Apache::lonnet::filelocation("",$file);
-                my $destination = "$doc_zip_root/zipdir/$uname$udom/$unique_path/$stuname/part$partid/resp$respid/$file_name_only";
-                if (exists($files_saved{$destination})) {
-                    # file has already been saved once
-                    &Apache::lonnet::logthis("found duplicate file name");
-                    &Apache::lonnet::logthis("destination was $destination");
-                    $destination =~ /(^.*)(\..+$)/;
-                    $destination = $1.$file_increment.$2;
-                    &Apache::lonnet::logthis("destination is $destination");
-                    $file_increment ++;
-                }
-                $files_saved{$destination} = 1;
-                if (!&copy($source,$destination)) {
-                    if (!$file_problem) {
-                        print &mt("Unable to create: <br />");
-                        $file_problem = 1;
+        my $file_url = '/uploaded/'.$studom.'/'.$stuname.'/portfolio';
+        print MANIFEST $fullname."\n";
+        foreach my $partid (@$partlist) {
+            my @ids = $res->responseIds($partid);
+            foreach my $respid(@ids) {
+                &mkpath($doc_zip_root."/zipdir/$unique_user/$unique_path/$stuname/part$partid/resp$respid",0,0700);
+                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";
+                    &Apache::lonnet::repcopy($file);
+                    my $source = &Apache::lonnet::filelocation("",$file);
+                    my $destination = "$doc_zip_root/zipdir/$unique_user/$unique_path/$stuname/part$partid/resp$respid/$file_name_only";
+                    if (exists($files_saved{$destination})) {
+                        # file has already been saved once
+                        my ($file_name,$file_ext) = ($destination =~ /(^.*)(\..+$)/);
+                        $destination = $file_name.$files_saved{$destination}.$file_ext;
+                        $files_saved{$destination} ++;
+                    }
+                    $files_saved{$destination}++;
+                    if (!&copy($source,$destination)) {
+                        if (!$file_problem) {
+                            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/$file_name_only <br />");
                 }
             }
         }
     }
-    &mkpath($doc_zip_root."/zipout/$uname$udom",0,0700);
-    my $statement = "cd $doc_zip_root/zipdir/$uname$udom/$unique_path\n";
-    $statement .= "zip -r $doc_zip_root/zipout/$uname$udom/$zipout * > /dev/null";
-    system($statement);
-    $statement = "rm -rf $doc_zip_root/zipdir/$uname$udom/$unique_path";
+    
+    &mkpath($doc_zip_root."/zipout/$unique_user",0,0700);
+    my $statement;
+    if (! -e "$doc_zip_root/zipout/$unique_user/$zipout") {
+        $statement = "cd $doc_zip_root/zipdir/$unique_user/$unique_path\n";
+        $statement .= "zip -r $doc_zip_root/zipout/$unique_user/$zipout * > /dev/null";
+        system($statement);
+    } else {
+        # should happen only if user reloads page 
+        &Apache::lonnet::logthis("$zipout is already there");
+    }
+    $statement = "rm -rf $doc_zip_root/zipdir/$unique_user/$unique_path";
     system($statement);
-    print('<a href="/zipspool/zipout/'.$uname.$udom.'/'.$zipout.'">'.
+    print('<a href="/zipspool/zipout/'.$unique_user.'/'.$zipout.'">'.
             &mt("Click to download").'</a><br />');
+    close MANIFEST;
 } else {
     print(&mt('You are not authorized to download student submissions.'));
 }