--- loncom/interface/lonmeta.pm	2004/04/14 16:14:29	1.67
+++ loncom/interface/lonmeta.pm	2005/11/08 03:08:15	1.124
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Metadata display handler
 #
-# $Id: lonmeta.pm,v 1.67 2004/04/14 16:14:29 matthew Exp $
+# $Id: lonmeta.pm,v 1.124 2005/11/08 03:08:15 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -17,7 +17,7 @@
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
-# You should have received a copy of the GNU General Public License
+# You should have received a copy of the GNU General Public License 
 # along with LON-CAPA; if not, write to the Free Software
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #
@@ -31,9 +31,9 @@ package Apache::lonmeta;
 use strict;
 use LONCAPA::lonmetadata();
 use Apache::Constants qw(:common);
-use Apache::lonnet();
+use Apache::lonnet;
 use Apache::loncommon();
-use Apache::lonhtmlcommon();
+use Apache::lonhtmlcommon(); 
 use Apache::lonmsg;
 use Apache::lonpublisher;
 use Apache::lonlocal;
@@ -41,6 +41,87 @@ use Apache::lonmysql;
 use Apache::lonmsg;
 
 
+############################################################
+############################################################
+##
+## &get_dynamic_metadata_from_sql($url)
+## 
+## Queries sql database for dynamic metdata
+## Returns a hash of hashes, with keys of urls which match $url
+## Returned fields are given below.
+##
+## Examples:
+## 
+## %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql
+##     ('/res/msu/korte/');
+##
+## $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field}
+##
+############################################################
+############################################################
+sub get_dynamic_metadata_from_sql {
+    my ($url) = shift();
+    my ($authordom,$author)=($url=~m:^/res/(\w+)/(\w+)/:);
+    if (! defined($authordom)) {
+        $authordom = shift();
+    }
+    if  (! defined($author)) { 
+        $author = shift();
+    }
+    if (! defined($authordom) || ! defined($author)) {
+        return ();
+    }
+    my @Fields = ('url','count','course',
+                  'goto','goto_list',
+                  'comefrom','comefrom_list',
+                  'sequsage','sequsage_list',
+                  'stdno','stdno_list',
+		  'dependencies',
+                  'avetries','avetries_list',
+                  'difficulty','difficulty_list',
+                  'disc','disc_list',
+                  'clear','technical','correct',
+                  'helpful','depth');
+    #
+    my $query = 'SELECT '.join(',',@Fields).
+        ' FROM metadata WHERE url LIKE "'.$url.'%"';
+    my $server = &Apache::lonnet::homeserver($author,$authordom);
+    my $reply = &Apache::lonnet::metadata_query($query,undef,undef,
+                                                ,[$server]);
+    return () if (! defined($reply) || ref($reply) ne 'HASH');
+    my $filename = $reply->{$server};
+    if (! defined($filename) || $filename =~ /^error/) {
+        return ();
+    }
+    my $max_time = time + 10; # wait 10 seconds for results at most
+    my %ReturnHash;
+    #
+    # Look for results
+    my $finished = 0;
+    while (! $finished && time < $max_time) {
+        my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename;
+        if (! -e "$datafile.end") { next; }
+        my $fh;
+        if (!($fh=Apache::File->new($datafile))) { next; }
+        while (my $result = <$fh>) {
+            chomp($result);
+            next if (! $result);
+            my @Data = 
+                map { 
+                    &Apache::lonnet::unescape($_); 
+                } split(',',$result);
+            my $url = $Data[0];
+            for (my $i=0;$i<=$#Fields;$i++) {
+                $ReturnHash{$url}->{$Fields[$i]}=$Data[$i];
+            }
+        }
+        $finished = 1;
+    }
+    #
+    return %ReturnHash;
+}
+
+
 # Fetch and evaluate dynamic metadata
 sub dynamicmeta {
     my $url=&Apache::lonnet::declutter(shift);
@@ -114,21 +195,21 @@ sub evalgraph {
         return '';
     }
     my $val=int($value*10.+0.5)-10;
-    my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
+    my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
     if ($val>=20) {
-	$output.='<td width=20 bgcolor="#555555">&nbsp&nbsp;</td>';
+	$output.='<td width="20" bgcolor="#555555">&nbsp&nbsp;</td>';
     } else {
-        $output.='<td width='.($val).' bgcolor="#555555">&nbsp;</td>'.
-                 '<td width='.(20-$val).' bgcolor="#FF3333">&nbsp;</td>';
+        $output.='<td width="'.($val).'" bgcolor="#555555">&nbsp;</td>'.
+                 '<td width="'.(20-$val).'" bgcolor="#FF3333">&nbsp;</td>';
     }
     $output.='<td bgcolor="#FFFF33">&nbsp;</td>';
     if ($val>20) {
-	$output.='<td width='.($val-20).' bgcolor="#33FF33">&nbsp;</td>'.
-                 '<td width='.(40-$val).' bgcolor="#555555">&nbsp;</td>';
+	$output.='<td width="'.($val-20).'" bgcolor="#33FF33">&nbsp;</td>'.
+                 '<td width="'.(40-$val).'" bgcolor="#555555">&nbsp;</td>';
     } else {
-        $output.='<td width=20 bgcolor="#555555">&nbsp&nbsp;</td>';
+        $output.='<td width="20" bgcolor="#555555">&nbsp&nbsp;</td>';
     }
-    $output.='<td> ('.$value.') </td></tr></table>';
+    $output.='<td> ('.sprintf("%5.2f",$value).') </td></tr></table>';
     return $output;
 }
 
@@ -140,24 +221,24 @@ sub diffgraph {
     my $val=int(40.0*$value+0.5);
     my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
                 '#BBDD33','#CCCC33','#DDBB33','#EEAA33');
-    my $output='<table border=0 cellpadding=0 cellspacing=0><tr>';
+    my $output='<table border="0" cellpadding="0" cellspacing="0"><tr>';
     for (my $i=0;$i<8;$i++) {
 	if ($val>$i*5) {
-            $output.='<td width=5 bgcolor="'.$colors[$i].'">&nbsp;</td>';
+            $output.='<td width="5" bgcolor="'.$colors[$i].'">&nbsp;</td>';
         } else {
-	    $output.='<td width=5 bgcolor="#555555">&nbsp;</td>';
+	    $output.='<td width="5" bgcolor="#555555">&nbsp;</td>';
 	}
     }
-    $output.='<td> ('.$value.') </td></tr></table>';
+    $output.='<td> ('.sprintf("%3.2f",$value).') </td></tr></table>';
     return $output;
 }
 
 
 # The field names
 sub fieldnames {
-    return &Apache::lonlocal::texthash
-        (
-         'title' => 'Title',
+    my $file_type=shift;
+    my %fields = 
+        ('title' => 'Title',
          'author' =>'Author(s)',
          'authorspace' => 'Author Space',
          'modifyinguser' => 'Last Modifying User',
@@ -167,6 +248,12 @@ sub fieldnames {
          'abstract' => 'Abstract',
          'lowestgradelevel' => 'Lowest Grade Level',
          'highestgradelevel' => 'Highest Grade Level',
+         'courserestricted' => 'Course Restricting Metadata');
+         
+    if (! defined($file_type) || $file_type ne 'portfolio') {
+        %fields = 
+        (%fields,
+         'domain' => 'Domain',
          'standards' => 'Standards',
          'mime' => 'MIME Type',
          'language' => 'Language',
@@ -175,6 +262,8 @@ sub fieldnames {
          'owner' => 'Publisher/Owner',
          'copyright' => 'Copyright/Distribution',
          'customdistributionfile' => 'Custom Distribution File',
+         'sourceavail' => 'Source Available',
+         'sourcerights' => 'Source Custom Distribution File',
          'obsolete' => 'Obsolete',
          'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
          'count'      => 'Network-wide number of accesses (hits)',
@@ -193,14 +282,56 @@ sub fieldnames {
          'technical'  => 'Resource is technically correct', 
          'avetries'   => 'Average number of tries till solved',
          'stdno'      => 'Total number of students who have worked on this problem',
-         'difficulty' => 'Degree of difficulty'
+         'difficulty' => 'Degree of difficulty',
+         'disc'       => 'Degree of discrimination',
+	 'dependencies' => 'Resources used by this resource',
          );
+    }
+    return &Apache::lonlocal::texthash(%fields);
 }
 
+sub select_course {
+    my ($r)=@_;
+    my %courses;
+    foreach my $key (keys (%env)) { 
+        if ($key =~ m/\.metadata\./) {
+            $key =~ m/^course\.(.+)(\.metadata.+$)/;
+            my $course = $1;
+            my $coursekey = 'course.'.$course.'.description';
+            my $value = $env{$coursekey};
+            $courses{$coursekey} = $value;
+        }
+    }
+    $r->print('<h3>Course Related Meta-Data</h3><br />');
+    $r->print('<form action="" method="post">');
+    $r->print('Select your test course<br />');
+    $r->print('<select name="metacourse" >');
+    my $meta_not_found = 1;
+    foreach my $key (keys (%courses)) {    
+        if ($meta_not_found) {
+            undef($meta_not_found);
+            $r->print('<h3>Portfolio Meta-Data</h3><br />');
+            $r->print('<form action="" method="post">');
+            $r->print('Select your course<br />');
+            $r->print('<select name="metacourse" >');
+        }
+        $key =~ m/(^.+)\.description$/;
+        $r->print('<option value="'.$1.'">');
+        $r->print($courses{$key});
+        $r->print('</option>');
+    }
+    unless ($meta_not_found) {
+        $r->print('</select><br />');
+        $r->print('<input type="submit" value="Assign Portfolio Metadata" />');
+        $r->print('</form>');
+    }
+    return 'ok';
+}
 # Pretty printing of metadata field
 
 sub prettyprint {
-    my ($type,$value)=@_;
+    my ($type,$value,$target,$prefix,$form,$noformat)=@_;
+# $target,$prefix,$form are optional and for filecrumbs only
     if (! defined($value)) { 
         return '&nbsp;'; 
     }
@@ -223,6 +354,10 @@ sub prettyprint {
     if ($type eq 'copyright') {
 	return &Apache::loncommon::copyrightdescription($value);
     }
+    # Copyright
+    if ($type eq 'sourceavail') {
+	return &Apache::loncommon::source_copyrightdescription($value);
+    }
     # MIME
     if ($type eq 'mime') {
         return '<img src="'.&Apache::loncommon::icon($value).'" />&nbsp;'.
@@ -242,7 +377,7 @@ sub prettyprint {
 	return &Apache::loncommon::gradeleveldescription($value);
     }
     # Only for advance users below
-    if (! $ENV{'user.adv'}) { 
+    if (! $env{'user.adv'}) { 
         return '<i>- '.&mt('not displayed').' -</i>';
     }
     # File
@@ -250,12 +385,29 @@ sub prettyprint {
 	($type eq 'obsoletereplacement') ||
 	($type eq 'goto_list') ||
 	($type eq 'comefrom_list') ||
-	($type eq 'sequsage_list')) {
-	return join('<br />',map {
-            my $url=&Apache::lonnet::clutter($_);
-            '<b>'.&Apache::lonnet::gettitle($url).'</b>'.
-                &Apache::lonhtmlcommon::crumbs($url,'preview','',undef,'+0');
-        } split(/\s*\,\s*/,$value));
+	($type eq 'sequsage_list') ||
+	($type eq 'dependencies')) {
+	return '<ul><font size="-1">'.join("\n",map {
+            my $url = &Apache::lonnet::clutter($_);
+            my $title = &Apache::lonnet::gettitle($url);
+            if ($title eq '') {
+                $title = 'Untitled';
+                if ($url =~ /\.sequence$/) {
+                    $title .= ' Sequence';
+                } elsif ($url =~ /\.page$/) {
+                    $title .= ' Page';
+                } elsif ($url =~ /\.problem$/) {
+                    $title .= ' Problem';
+                } elsif ($url =~ /\.html$/) {
+                    $title .= ' HTML document';
+                } elsif ($url =~ m:/syllabus$:) {
+                    $title .= ' Syllabus';
+                } 
+            }
+            $_ = '<li>'.$title.' '.
+		&Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
+                '</li>'
+	    } split(/\s*\,\s*/,$value)).'</ul></font>';
     }
     # Evaluations
     if (($type eq 'clear') ||
@@ -266,17 +418,24 @@ sub prettyprint {
 	return &evalgraph($value);
     }
     # Difficulty
-    if ($type eq 'difficulty') {
+    if ($type eq 'difficulty' || $type eq 'disc') {
 	return &diffgraph($value);
     }
     # List of courses
     if ($type=~/\_list/) {
-	return join('<br />',map {
-	    my %courseinfo=&Apache::lonnet::coursedescription($_);  
-	    '<a href="/public/'.
-		$courseinfo{'domain'}.'/'.$courseinfo{'num'}.'/syllabus" target="preview">'.
-		$courseinfo{'description'}.'</a>';
-	} split(/\s*\,\s*/,$value));
+        my @Courses = split(/\s*\,\s*/,$value);
+        my $Str;
+        foreach my $course (@Courses) {
+            my %courseinfo = &Apache::lonnet::coursedescription($course);
+            if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
+                next;
+            }
+            if ($Str ne '') { $Str .= '<br />'; }
+            $Str .= '<a href="/public/'.$courseinfo{'domain'}.'/'.
+                $courseinfo{'num'}.'/syllabus" target="preview">'.
+                $courseinfo{'description'}.'</a>';
+        }
+	return $Str;
     }
     # No pretty print found
     return $value;
@@ -320,7 +479,61 @@ sub relatedfield {
 
 sub prettyinput {
     my ($type,$value,$fieldname,$formname,
-	$relatedsearchflag,$relatedsep,$relatedvalue)=@_;
+	$relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
+    if (! defined($size)) {
+        $size = 80;
+    }
+    if (defined($course_key)) {
+        my $stu_add;
+        my $only_one;
+        my $values = $env{$course_key.'.metadata.'.$_.'.values'};
+        if ($env{$course_key.'.metadata.'.$_.'.options'} =~ m/stuadd/) {
+            $stu_add = 'true';
+        }
+        if ($env{$course_key.'.metadata.'.$_.'.options'} =~ m/onlyone/) {
+            $only_one = 'true';
+        }
+        if ($type eq 'author') {
+        }
+        if ($type eq 'courserestricted') {
+            return ('<input type="hidden" name="new_courserestricted" value="'.$course_key.'" />');
+        }
+        if ($type eq 'authorspace') {
+        }
+        if ($type eq 'modifyinguser') {
+        }
+        if ($type eq 'subject') {
+        }
+        if ($type eq 'keywords') {
+            my %hash;
+            my $def;
+            my @cur_values;
+            foreach (split(/,/,$value)) {
+                $_ =~ s/^\s+//;
+                push(@cur_values,$_);
+            }
+            foreach (split(/,/,$values)) {
+                $_ =~ s/^\s+//;
+                $hash{$_} = $_;
+            }
+            if ($only_one) {
+                return(&Apache::loncommon::select_form($def,'new_keywords',%hash));
+            } else {
+                return(&Apache::loncommon::multiple_select_form('new_keywords',\@cur_values,undef,\%hash));
+            }
+        }
+        if ($type eq  'notes') {
+        }
+        if ($type eq  'abstract') {
+	}
+
+        if (($type eq 'lowestgradelevel') ||
+	    ($type eq 'highestgradelevel')) {
+	    return &Apache::loncommon::select_level_form($value,$fieldname).
+            &relatedfield(0,$relatedsearchflag,$relatedsep); 
+        }
+        return(); 
+    }
     # Language
     if ($type eq 'language') {
 	return &selectbox($fieldname,
@@ -337,6 +550,14 @@ sub prettyinput {
 			  (&Apache::loncommon::copyrightids)).
                               &relatedfield(0,$relatedsearchflag,$relatedsep);
     }
+    # Source Copyright
+    if ($type eq 'sourceavail') {
+	return &selectbox($fieldname,
+			  $value,
+			  \&Apache::loncommon::source_copyrightdescription,
+			  (&Apache::loncommon::source_copyrightids)).
+                              &relatedfield(0,$relatedsearchflag,$relatedsep);
+    }
     # Gradelevels
     if (($type eq 'lowestgradelevel') ||
 	($type eq 'highestgradelevel')) {
@@ -365,6 +586,14 @@ sub prettyinput {
 	    ",'rights')\">".&mt('Select').'</a>'.
             &relatedfield(0,$relatedsearchflag,$relatedsep); 
     }
+    # Source Customdistribution file
+    if ($type eq 'sourcerights') {
+	return '<input type="text" name="'.$fieldname.
+	    '" size="60" value="'.$value.'" /><a href="javascript:openbrowser'.
+	    "('".$formname."','".$fieldname."'".
+	    ",'rights')\">".&mt('Select').'</a>'.
+            &relatedfield(0,$relatedsearchflag,$relatedsep); 
+    }
     # Dates
     if (($type eq 'creationdate') ||
 	($type eq 'lastrevisiondate')) {
@@ -376,9 +605,9 @@ sub prettyinput {
     $value=~s/^\s+//gs;
     $value=~s/\s+$//gs;
     $value=~s/\s+/ /gs;
-    $value=~s/\"/\&quod\;/gs;
+    $value=~s/\"/\&quot\;/gs;
     return 
-        '<input type="text" name="'.$fieldname.'" size="80" '.
+        '<input type="text" name="'.$fieldname.'" size="'.$size.'" '.
         'value="'.$value.'" />'.
         &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
                       $relatedvalue); 
@@ -390,33 +619,28 @@ sub handler {
     #
     my $uri=$r->uri;
     #
-    # Check to see if this server is overloaded
-    my $loaderror=&Apache::lonnet::overloaderror($r);
-    if ($loaderror) { 
-        return $loaderror;
-    }
-    #
-    # Check to see if original resource server is overloaded
-    my ($resdomain,$resuser)=
-        (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
-    $loaderror=&Apache::lonnet::overloaderror
-        ($r,&Apache::lonnet::homeserver($resuser,$resdomain));
-    if ($loaderror) { 
-        return $loaderror;
-    }
-    #
     # Set document type
     &Apache::loncommon::content_type($r,'text/html');
     $r->send_http_header;
     return OK if $r->header_only;
     #
-    $r->print('<html><head><title>'.
+    my ($resdomain,$resuser)=
+        (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//);
+    my $html=&Apache::lonxml::xmlbegin();
+    $r->print($html.'<head><title>'.
               'Catalog Information'.
               '</title></head>');
     if ($uri=~m:/adm/bombs/(.*)$:) {
         $r->print(&Apache::loncommon::bodytag('Error Messages'));
         # Looking for all bombs?
         &report_bombs($r,$uri);
+    } elsif ($uri=~/\/portfolio\//) {
+	($resdomain,$resuser)=
+	    (&Apache::lonnet::declutter($uri)=~m|^(\w+)/(\w+)/portfolio|);
+        $r->print(&Apache::loncommon::bodytag
+          ('Edit Portfolio File Information','','','',$resdomain));
+        &present_editable_metadata($r,$uri,'portfolio');
+        &select_course($r);
     } elsif ($uri=~/^\/\~/) { 
         # Construction space
         $r->print(&Apache::loncommon::bodytag
@@ -424,7 +648,7 @@ sub handler {
         &present_editable_metadata($r,$uri);
     } else {
         $r->print(&Apache::loncommon::bodytag
-                  ('Catalog Information','','','',$resdomain));
+		  ('Catalog Information','','','',$resdomain));
         &present_uneditable_metadata($r,$uri);
     }
     $r->print('</body></html>');
@@ -446,14 +670,23 @@ sub report_bombs {
     $r->print('<h1>'.&Apache::lonnet::clutter($uri).'</h1>');
     my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//);
     if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) {
+	if ($env{'form.clearbombs'}) {
+	    &Apache::lonmsg::clear_author_res_msg($uri);
+	}
+        my $clear=&mt('Clear all Messages in Subdirectory');
+	$r->print(<<ENDCLEAR);
+<form method="post">
+<input type="submit" name="clearbombs" value="$clear" />
+</form>
+ENDCLEAR
         my %brokenurls = 
             &Apache::lonmsg::all_url_author_res_msg($author,$domain);
         foreach (sort(keys(%brokenurls))) {
             if ($_=~/^\Q$uri\E/) {
-                $r->print(&Apache::lonhtmlcommon::crumbs
-                          (&Apache::lonnet::clutter($_)).
-                          &Apache::lonmsg::retrieve_author_res_msg($_).
-                          '<hr />');
+                $r->print
+                    ('<a href="'.&Apache::lonnet::clutter($_).'">'.$_.'</a>'.
+                     &Apache::lonmsg::retrieve_author_res_msg($_).
+                     '<hr />');
             }
         }
     } else {
@@ -494,12 +727,13 @@ sub present_uneditable_metadata {
     } else {
         $versiondisplay='Version: '.$currentversion;
     }
-    # crumbify displayed URL
-    $disuri=&Apache::lonhtmlcommon::crumbs($disuri);
+    # crumbify displayed URL               uri     target prefix form  size
+    $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1');
+    $disuri =~ s:<br />::g;
     # obsolete
     my $obsolete=$content{'obsolete'};
     my $obsoletewarning='';
-    if (($obsolete) && ($ENV{'user.adv'})) {
+    if (($obsolete) && ($env{'user.adv'})) {
         $obsoletewarning='<p><font color="red">'.
             &mt('This resource has been marked obsolete by the author(s)').
             '</font></p>';
@@ -507,6 +741,10 @@ sub present_uneditable_metadata {
     #
     my %lt=&fieldnames();
     my $table='';
+    my $title = $content{'title'};
+    if (! defined($title)) {
+        $title = 'Untitled Resource';
+    }
     foreach ('title', 
              'author', 
              'subject', 
@@ -522,7 +760,9 @@ sub present_uneditable_metadata {
              'lastrevisiondate', 
              'owner', 
              'copyright', 
-             'customdistributionfile', 
+             'customdistributionfile',
+             'sourceavail',
+             'sourcerights', 
              'obsolete', 
              'obsoletereplacement') {
         $table.='<tr><td bgcolor="#AAAAAA">'.$lt{$_}.
@@ -532,80 +772,181 @@ sub present_uneditable_metadata {
     }
     #
     $r->print(<<ENDHEAD);
-<h2>$content{'title'}</h2>
-<h3><tt>$disuri</tt></h3>
+<h2>$title</h2>
+<p>
+$disuri<br />
 $obsoletewarning
-$versiondisplay<br />
-<table cellspacing=2 border=0>
+$versiondisplay
+</p>
+<table cellspacing="2" border="0">
 $table
 </table>
 ENDHEAD
-    if ($ENV{'user.adv'}) {
-        &print_dynamic_metadata($r,$uri);
+    if ($env{'user.adv'}) {
+        &print_dynamic_metadata($r,$uri,\%content);
     }
     return;
 }
 
 sub print_dynamic_metadata {
-    my ($r,$uri) = @_;
+    my ($r,$uri,$content) = @_;
+    #
+    my %content = %$content;
+    my %lt=&fieldnames();
     #
     my $description = 'Dynamic Metadata (updated periodically)';
     $r->print('<h3>'.&mt($description).'</h3>'.
-              &mt('Processing').' ...<br />');
+              &mt('Processing'));
     $r->rflush();
     my %items=&fieldnames();
     my %dynmeta=&dynamicmeta($uri);
     #
     # General Access and Usage Statistics
-    $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
-              '<table cellspacing=2 border=0>');
-    foreach ('count',
-             'sequsage','sequsage_list',
-             'comefrom','comefrom_list',
-             'goto','goto_list',
-             'course','course_list') {
-        $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
-                  '<td bgcolor="#CCCCCC">'.
-                  &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
+    if (exists($dynmeta{'count'}) ||
+        exists($dynmeta{'sequsage'}) ||
+        exists($dynmeta{'comefrom'}) ||
+        exists($dynmeta{'goto'}) ||
+        exists($dynmeta{'course'})) {
+        $r->print('<h4>'.&mt('Access and Usage Statistics').'</h4>'.
+                  '<table cellspacing="2" border="0">');
+        foreach ('count',
+                 'sequsage','sequsage_list',
+                 'comefrom','comefrom_list',
+                 'goto','goto_list',
+                 'course','course_list') {
+            $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
+                      '<td bgcolor="#CCCCCC">'.
+                      &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
+        }
+        $r->print('</table>');
+    } else {
+        $r->print('<h4>'.&mt('No Access or Usages Statistics are available for this resource.').'</h4>');
     }
-    $r->print('</table>');
+    #
+    # Assessment statistics
     if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) {
-        # This is an assessment, print assessment data
-        $r->print(
-                  '<h4>'.&mt('Assessment Statistical Data').'</h4>'.
-                  '<table cellspacing=2 border=0>');
-        foreach ('stdno','avetries','difficulty') {
+        if (exists($dynmeta{'stdno'}) ||
+            exists($dynmeta{'avetries'}) ||
+            exists($dynmeta{'difficulty'}) ||
+            exists($dynmeta{'disc'})) {
+            # This is an assessment, print assessment data
+            $r->print('<h4>'.
+                      &mt('Overall Assessment Statistical Data').
+                      '</h4>'.
+                      '<table cellspacing="2" border="0">');
+            $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{'stdno'}.'</td>'.
+                      '<td bgcolor="#CCCCCC">'.
+                      &prettyprint('stdno',$dynmeta{'stdno'}).
+                      '</td>'."</tr>\n");
+            foreach ('avetries','difficulty','disc') {
+                $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
+                          '<td bgcolor="#CCCCCC">'.
+                          &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).
+                          '</td>'."</tr>\n");
+            }
+            $r->print('</table>');    
+        }
+        if (exists($dynmeta{'stats'})) {
+            #
+            # New assessment statistics
+            $r->print('<h4>'.
+                      &mt('Detailed Assessment Statistical Data').
+                      '</h4>');
+            my $table = '<table cellspacing="2" border="0">'.
+                '<tr>'.
+                '<th>Course</th>'.
+                '<th>Section(s)</th>'.
+                '<th>Num Students</th>'.
+                '<th>Mean Tries</th>'.
+                '<th>Degree of Difficulty</th>'.
+                '<th>Degree of Discrimination</th>'.
+                '<th>Time of computation</th>'.
+                '</tr>'.$/;
+            foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) {
+                my $data = $dynmeta{'stats'}->{$identifier};
+                my $course = $data->{'course'};
+                my %courseinfo = &Apache::lonnet::coursedescription($course);
+                if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
+                    &Apache::lonnet::logthis('lookup for '.$course.' failed');
+                    next;
+                }
+                $table .= '<tr>';
+                $table .= 
+                    '<td><nobr>'.$courseinfo{'description'}.'</nobr></td>';
+                $table .= 
+                    '<td align="right">'.$data->{'sections'}.'</td>';
+                $table .=
+                    '<td align="right">'.$data->{'stdno'}.'</td>';
+                foreach ('avetries','difficulty','disc') {
+                    $table .= '<td align="right">';
+                    if (exists($data->{$_})) {
+                        $table .= sprintf('%.2f',$data->{$_}).'&nbsp;';
+                    } else {
+                        $table .= '';
+                    }
+                    $table .= '</td>';
+                }
+                $table .=
+                    '<td><nobr>'.
+                    &Apache::lonlocal::locallocaltime($data->{'timestamp'}).
+                    '</nobr></td>';
+                $table .=
+                    '</tr>'.$/;
+            }
+            $table .= '</table>'.$/;
+            $r->print($table);
+        } else {
+            $r->print('No new dynamic data found.');
+        }
+    } else {
+        $r->print('<h4>'.
+          &mt('No Assessment Statistical Data is available for this resource').
+                  '</h4>');
+    }
+
+    #
+    #
+    if (exists($dynmeta{'clear'})   || 
+        exists($dynmeta{'depth'})   || 
+        exists($dynmeta{'helpful'}) || 
+        exists($dynmeta{'correct'}) || 
+        exists($dynmeta{'technical'})){ 
+        $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
+                  '<table cellspacing="2" border="0">');
+        foreach ('clear','depth','helpful','correct','technical') {
             $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
                       '<td bgcolor="#CCCCCC">'.
                       &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
         }
-        $r->print('</table>');    
-    }
-    
-    $r->print('<h4>'.&mt('Evaluation Data').'</h4>'.
-              '<table cellspacing=2 border=0>');
-    foreach ('clear','depth','helpful','correct','technical') {
-        $r->print('<tr><td bgcolor="#AAAAAA">'.$lt{$_}.'</td>'.
-                  '<td bgcolor="#CCCCCC">'.
-                  &prettyprint($_,$dynmeta{$_})."</td></tr>\n");
+        $r->print('</table>');
+    } else {
+        $r->print('<h4>'.&mt('No Evaluation Data is available for this resource.').'</h4>');
     }
-    $r->print('</table>');
     $uri=~/^\/res\/(\w+)\/(\w+)\//; 
-    if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2))
-        || ($ENV{'user.role.ca./'.$1.'/'.$2})) {
-        $r->print('<h4>'.&mt('Evaluation Comments').' ('.
-                  &mt('visible to author and co-authors only').
-                  ')</h4>'.
-                  '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
-        $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
-                  &mt('visible to author and co-authors only').')'.
-                  '</h4>'.
-                  &Apache::lonmsg::retrieve_author_res_msg($uri));
+    if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2))
+        || ($env{'user.role.ca./'.$1.'/'.$2})) {
+        if (exists($dynmeta{'comments'})) {
+            $r->print('<h4>'.&mt('Evaluation Comments').' ('.
+                      &mt('visible to author and co-authors only').
+                      ')</h4>'.
+                      '<blockquote>'.$dynmeta{'comments'}.'</blockquote>');
+        } else {
+            $r->print('<h4>'.&mt('There are no Evaluation Comments on this resource.').'</h4>');
+        }
+        my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri);
+        if (defined($bombs) && $bombs ne '') {
+            $r->print('<a name="bombs" /><h4>'.&mt('Error Messages').' ('.
+                      &mt('visible to author and co-authors only').')'.
+                      '</h4>'.$bombs);
+        } else {
+            $r->print('<h4>'.&mt('There are currently no Error Messages for this resource.').'</h4>');
+        }
     }
+    #
     # All other stuff
     $r->print('<h3>'.
               &mt('Additional Metadata (non-standard, parameters, exports)').
-              '</h3>');
+              '</h3><table border="0" cellspacing="1">');
     foreach (sort(keys(%content))) {
         my $name=$_;
         if ($name!~/\.display$/) {
@@ -623,16 +964,19 @@ sub print_dynamic_metadata {
                                                   $name.'.'.$_).'; ';
                 }
             }
-            $r->print('<b>'.$display.':</b> '.$content{$name});
+            $r->print('<tr><td bgcolor="#bbccbb"><font size="-1" color="#556655">'.$display.'</font></td><td bgcolor="#ccddcc"><font size="-1" color="#556655">'.$content{$name});
             if ($otherinfo) {
                 $r->print(' ('.$otherinfo.')');
             }
-            $r->print("<br />\n");
+            $r->print("</font></td></tr>\n");
         }
     }
+    $r->print("</table>");
     return;
 }
 
+
+
 #####################################################
 #####################################################
 ###                                               ###
@@ -641,32 +985,54 @@ sub print_dynamic_metadata {
 #####################################################
 #####################################################
 sub present_editable_metadata {
-    my ($r,$uri) = @_;
+    my ($r,$uri, $file_type) = @_;
     # Construction Space Call
     # Header
     my $disuri=$uri;
     my $fn=&Apache::lonnet::filelocation('',$uri);
     $disuri=~s/^\/\~/\/priv\//;
     $disuri=~s/\.meta$//;
+    $disuri=~s|^/editupload||;
     my $target=$uri;
-    $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//;
+    $target=~s/^\/\~/\/res\/$env{'request.role.domain'}\//;
     $target=~s/\.meta$//;
     my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target);
     if ($bombs) {
-        if ($ENV{'form.delmsg'}) {
+        my $showdel=1;
+        if ($env{'form.delmsg'}) {
             if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') {
                 $bombs=&mt('Messages deleted.');
+		$showdel=0;
             } else {
                 $bombs=&mt('Error deleting messages');
             }
         }
-        my $del=&mt('Delete Messages');
+        if ($env{'form.clearmsg'}) {
+	    my $cleardir=$target;
+	    $cleardir=~s/\/[^\/]+$/\//;
+            if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') {
+                $bombs=&mt('Messages cleared.');
+		$showdel=0;
+            } else {
+                $bombs=&mt('Error clearing messages');
+            }
+        }
+        my $del=&mt('Delete Messages for this Resource');
+	my $clear=&mt('Clear all Messages in Subdirectory');
+	my $goback=&mt('Back to Source File');
         $r->print(<<ENDBOMBS);
 <h1>$disuri</h1>
 <form method="post" name="defaultmeta">
-<input type="submit" name="delmsg" value="$del" />
-<br />$bombs
 ENDBOMBS
+        if ($showdel) {
+	    $r->print(<<ENDDEL);
+<input type="submit" name="delmsg" value="$del" />
+<input type="submit" name="clearmsg" value="$clear" />
+ENDDEL
+        } else {
+            $r->print('<a href="'.$disuri.'" />'.$goback.'</a>');
+	}
+	$r->print('<br />'.$bombs);
     } else {
         my $displayfile='Catalog Information for '.$disuri;
         if ($disuri=~/\/default$/) {
@@ -676,101 +1042,141 @@ ENDBOMBS
                 &mt('Default Cataloging Information for Directory').' '.
                 $dir;
         }
-        my $bodytag=
-            &Apache::loncommon::bodytag('Edit Catalog Information');
         %Apache::lonpublisher::metadatafields=();
         %Apache::lonpublisher::metadatakeys=();
-        &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn));
+        my $result=&Apache::lonnet::getfile($fn);
+        if ($result == -1){
+            $r->print('Creating new '.$disuri);
+        } else {
+            &Apache::lonpublisher::metaeval($result);
+        }
         $r->print(<<ENDEDIT);
-<html><head><title>Edit Catalog Information</title></head>
-$bodytag
 <h1>$displayfile</h1>
 <form method="post" name="defaultmeta">
 ENDEDIT
         $r->print('<script language="JavaScript">'.
-                  &Apache::loncommon::browser_and_searcher_javascript.
+                  &Apache::loncommon::browser_and_searcher_javascript().
                   '</script>');
-        my %lt=&fieldnames();
-        foreach ('author','title','subject','keywords','abstract','notes',
+        my %lt=&fieldnames($file_type);
+	my $output;
+	my @fields;
+	if ($file_type eq 'portfolio') {
+	    @fields =  ('author','title','subject','keywords','abstract','notes','lowestgradelevel',
+	                'highestgradelevel','courserestricted');
+	} else {
+	    @fields = ('author','title','subject','keywords','abstract','notes',
                  'copyright','customdistributionfile','language',
                  'standards',
-                 'lowestgradelevel','highestgradelevel',
-                 'obsolete','obsoletereplacement') {
-            if (defined($ENV{'form.new_'.$_})) {
-                $Apache::lonpublisher::metadatafields{$_}=
-                    $ENV{'form.new_'.$_};
+                 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights',
+                 'obsolete','obsoletereplacement');
+        }
+        my $metacourse;
+        if ($env{'form.metacourse'} ) {
+            $Apache::lonpublisher::metadatafields{'courserestricted'} = $env{'form.metacourse'};
+            $metacourse = $env{'form.metacourse'};
+         } else {
+            if (! $Apache::lonpublisher::metadatafields{'courserestricted'}) {
+                $Apache::lonpublisher::metadatafields{'courserestricted'}=
+                    'none';
+                $metacourse = 'none';
+            } else {
+                $metacourse = $Apache::lonpublisher::metadatafields{'courserestricted'};
             }
-            if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
+        }
+        if (! $Apache::lonpublisher::metadatafields{'copyright'}) {
                 $Apache::lonpublisher::metadatafields{'copyright'}=
-                    'default';
+                'default';
+        }
+        foreach (@fields) {
+            if (defined($env{'form.new_'.$_})) {
+                $Apache::lonpublisher::metadatafields{$_}=
+                    join(',',&Apache::loncommon::get_env_multiple('form.new_'.$_));
+            }
+            if ($metacourse ne 'none') {
+                # handle restrictions here
+                if (($env{$metacourse.'.metadata.'.$_.'.options'} =~ m/active/)||
+                    ($_ eq 'courserestricted'))  {
+                    $output.=('<p>'.$lt{$_}.': '.
+                            &prettyinput($_,
+				   $Apache::lonpublisher::metadatafields{$_},
+				   'new_'.$_,'defaultmeta',undef,undef,undef,undef,$metacourse).'</p>');
+                }
+            } else {
+                $output.=('<p>'.$lt{$_}.': '.
+                            &prettyinput($_,
+				   $Apache::lonpublisher::metadatafields{$_},
+				   'new_'.$_,'defaultmeta').'</p>');
             }
-            $r->print('<p>'.$lt{$_}.': '.
-                      &prettyinput
-                      ($_,$Apache::lonpublisher::metadatafields{$_},
-                       'new_'.$_,'defaultmeta').'</p>');
         }
-        if ($ENV{'form.store'}) {
+        if ($env{'form.store'}) {
             my $mfh;
-            if (!  ($mfh=Apache::File->new('>'.$fn))) {
-                $r->print('<p><font color=red>'.
-                          &mt('Could not write metadata').', '.
-                          &mt('FAIL').'</font>');
+            my $formname='store'; 
+            my $file_content;
+            foreach my $meta_field (keys %env) {
+                if (&Apache::loncommon::get_env_multiple('form.new_keywords')) {
+                    $Apache::lonpublisher::metadatafields{'keywords'} = 
+                        join (',', &Apache::loncommon::get_env_multiple('form.new_keywords'));
+                }
+            }
+            foreach (sort keys %Apache::lonpublisher::metadatafields) {
+                next if ($_ =~ /\./);
+                my $unikey=$_;
+                $unikey=~/^([A-Za-z]+)/;
+                my $tag=$1;
+                $tag=~tr/A-Z/a-z/;
+                $file_content.= "\n\<$tag";
+                foreach (split(/\,/,
+                             $Apache::lonpublisher::metadatakeys{$unikey})
+                         ) {
+                    my $value=
+                     $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
+                    $value=~s/\"/\'\'/g;
+                    $file_content.=' '.$_.'="'.$value.'"' ;
+                    # print $mfh ' '.$_.'="'.$value.'"';
+                }
+                $file_content.= '>'.
+                    &HTML::Entities::encode
+                    ($Apache::lonpublisher::metadatafields{$unikey},
+                     '<>&"').
+                     '</'.$tag.'>';
+            }
+            if ($fn =~ /\/portfolio\//) {
+                $fn =~ /\/portfolio\/(.*)$/;
+                my $new_fn = '/'.$1;
+                $env{'form.'.$formname}=$file_content;
+                $env{'form.'.$formname.'.filename'}=$new_fn;
+                &Apache::lonnet::userfileupload('uploaddoc','',
+	        	 'portfolio'.$env{'form.currentpath'});
+                if (&Apache::lonnet::userfileupload($formname,'','portfolio') eq 'error: no uploaded file') {
+                    $r->print('<p><font color="red">'.
+                      &mt('Could not write metadata').', '.
+                     &mt('FAIL').'</font></p>');
+                } else {
+                    $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
+		  ' '.&Apache::lonlocal::locallocaltime(time).
+		  '</font></p>');
+                }
             } else {
-                foreach (sort keys %Apache::lonpublisher::metadatafields) {
-                    next if ($_ =~ /\./);
-                    my $unikey=$_;
-                    $unikey=~/^([A-Za-z]+)/;
-                    my $tag=$1;
-                    $tag=~tr/A-Z/a-z/;
-                    print $mfh "\n\<$tag";
-                    foreach (split(/\,/,
-                                 $Apache::lonpublisher::metadatakeys{$unikey})
-                             ) {
-                        my $value=
-                         $Apache::lonpublisher::metadatafields{$unikey.'.'.$_};
-                        $value=~s/\"/\'\'/g;
-                        print $mfh ' '.$_.'="'.$value.'"';
-                    }
-                    print $mfh '>'.
-                        &HTML::Entities::encode
-                        ($Apache::lonpublisher::metadatafields{$unikey},
-                         '<>&"').
-                         '</'.$tag.'>';
+                if (!  ($mfh=Apache::File->new('>'.$fn))) {
+                    $r->print('<p><font color="red">'.
+                        &mt('Could not write metadata').', '.
+                        &mt('FAIL').'</font></p>');
+                } else {
+                    print $mfh $file_content;
+		    $r->print('<p><font color="blue">'.&mt('Wrote Metadata').
+			      ' '.&Apache::lonlocal::locallocaltime(time).
+			      '</font></p>');
                 }
-                $r->print('<p>'.&mt('Wrote Metadata'));
             }
         }
-        $r->print('<br /><input type="submit" name="store" value="'.
+	$r->print($output.'<br /><input type="submit" name="store" value="'.
                   &mt('Store Catalog Information').'">');
     }
     $r->print('</form>');
     return;
 }
 
-##############################################################
-##############################################################
-# MySQL table columns
-
-my @columns;
-
-BEGIN {
-    # Get columns of MySQL metadata table
-    @columns=&Apache::lonmysql::col_order('metadata');
-}
-
-#
-# Turn MySQL row into hash
-#     This routine should be moved to lonmetadata
-#     a more generic place since it has nothing to do with metadata
-sub metadata_col_to_hash {
-    my @cols=@_;
-    my %hash=();
-    for (my $i=0; $i<=$#columns; $i++) {
-	$hash{$columns[$i]}=$cols[$i];
-    }
-    return %hash;
-}
-
-
 1;
 __END__
+
+