--- loncom/interface/lonaboutme.pm	2006/04/08 06:59:34	1.41
+++ loncom/interface/lonaboutme.pm	2006/12/11 03:46:31	1.60
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # "About Me" Personal Information
 #
-# $Id: lonaboutme.pm,v 1.41 2006/04/08 06:59:34 albertel Exp $
+# $Id: lonaboutme.pm,v 1.60 2006/12/11 03:46:31 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -37,6 +37,7 @@ use Apache::lonfeedback;
 use Apache::lonrss();
 use Apache::lonlocal;
 use Apache::lonmsgdisplay();
+use HTML::Entities();
 
 sub handler {
     my $r = shift;
@@ -48,13 +49,17 @@ sub handler {
     if ($target eq 'tex') {
 	$r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
     }
-    my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
+    my (undef,undef,$cdom,$cnum,undef,$action)=split(/\//,$r->uri);
+    my $is_course;
 # Is this even a user?
     if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
 	&Apache::loncommon::simple_error_page($r,'No info',
 					      'No user information available');
         return OK;
+    } else {
+        $is_course = &Apache::lonnet::is_course($cdom,$cnum);
     }
+
 # --------------------------------------------------------- The syllabus fields
     my %syllabusfields=&Apache::lonlocal::texthash(
        'aaa_contactinfo'   => 'Contact Information',
@@ -62,18 +67,49 @@ sub handler {
        'ccc_webreferences' => 'Web References');
 
 # ------------------------------------------------------------ Get Query String
-    &Apache::loncommon::get_unprocessed_cgi
-                            ($ENV{'QUERY_STRING'},['forcestudent','register']);
-# ----------------------------------------------------- Force menu registration
-    my $addentries='';
-    if ($env{'form.register'}) {
-       $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
-	   '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
-       $r->print(&Apache::lonmenu::registerurl(1));
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+					    ['forceedit','forcestudent',
+					     'register']);
+
+# ----------------------------------------------- Available Portfolio file display 
+    if (($target ne 'tex') && ($action eq 'portfolio')) {
+        &display_portfolio_header($r,$is_course);
+        my ($blocked,$blocktext) = 
+           &Apache::loncommon::blocking_status('port',$cnum,$cdom);
+        if (!$blocked) {
+            &display_portfolio_files($r,$is_course);
+        } else {
+            $r->print($blocktext);
+        }
+        $r->print(&Apache::loncommon::end_page());
+        return OK;
     }
+
+    if ($is_course) {
+        if ($target ne 'tex') {
+            my $start_page =
+                &Apache::loncommon::start_page(
+                    "Course Information",
+                     undef,
+                     {'function' => $env{'forcestudent'},
+                      'domain'   => $cdom,
+                      'force_register' => $env{'forceregister'},});
+            $r->print($start_page);
+            $r->print('<h2>'.&mt('Group files').'</h2>');
+            &print_portfiles_link($r,$is_course);
+            $r->print(&Apache::loncommon::end_page());
+        }
+        return OK;
+    }
+
 # --------------------------------------------------------------- Force Student
     my $forcestudent='';
     if ($env{'form.forcestudent'}) { $forcestudent='student'; };
+
+    my $forceregister = '';
+    if ($forcestudent eq '') {
+        $forceregister = $env{'form.register'};
+    }
        
 # --------------------------------------- There is such a user, get environment
     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
@@ -81,10 +117,9 @@ sub handler {
 	my $start_page = 
 	    &Apache::loncommon::start_page("Personal Information",undef,
 					   {'function'       => $forcestudent,
-					    'add_entries'    => $addentries,
-					    'domain'         => $cdom,
+ 					    'domain'         => $cdom,
 					    'force_register' =>
-						$env{'form.register'},});
+						            $forceregister,});
 	$r->print($start_page);
 	$r->print('<h1>'.&Apache::loncommon::plainname($cnum,$cdom).'</h1>');
     } else {
@@ -111,13 +146,15 @@ sub handler {
        if ($forcestudent or $target eq 'tex') { $allowed=0; }
  
        if ($allowed) {
+           my $query_string = &build_query_string({'forcestudent' => '1',});
 	   $r->print('<p><b>'.&mt('Privacy Note').':</b> '.
 		     &mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.').
 		     '</p>'.
-		     &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p><a href="'.$r->uri.'?forcestudent=1">Show Public View</a>'.
+		     &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p><a href="'.$r->uri.$query_string.'">Show Public View</a>'.
 		     &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
        } elsif ($privleged && $target ne 'tex') {
-	   $r->print('<p><a href="'.$r->uri.'?forceedit=1"><font size="+1">'.
+           my $query_string = &build_query_string({'forceedit' => '1',});
+	   $r->print('<p><a href="'.$r->uri.$query_string.'"><font size="+1">'.
 		     &mt('Edit').'</font></a></p>');
        }
       if (($env{'form.uploaddoc.filename'}) &&
@@ -140,12 +177,12 @@ sub handler {
 	}
     }
        if (($allowed) && ($env{'form.storesyl'})) {
-	   foreach (keys %syllabusfields) {
-               my $field=$env{'form.'.$_};
+	   foreach my $syl_field (keys(%syllabusfields)) {
+               my $field=$env{'form.'.$syl_field};
                $field=~s/\s+$//s;
                $field=&Apache::lonfeedback::clear_out_html($field,
                                                            $env{'user.adv'});
-	       $syllabus{$_}=$field;
+	       $syllabus{$syl_field}=$field;
            }
            $syllabus{'uploaded.lastmodified'}=time;
            &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
@@ -178,9 +215,9 @@ sub handler {
 	 '</form><form method="post">');
 
        }
-       foreach (sort keys %syllabusfields) {
-          if (($syllabus{$_}) || ($allowed)) {
-              my $message=$syllabus{$_};
+       foreach my $field (sort(keys(%syllabusfields))) {
+          if (($syllabus{$field}) || ($allowed)) {
+              my $message=$syllabus{$field};
 	      &Apache::lonfeedback::newline_to_br(\$message);
               $message
              =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
@@ -189,15 +226,15 @@ sub handler {
 	      }
 	      $message=&Apache::lontexconvert::msgtexconverted($message);
 	      if ($target ne 'tex') {
-		  $r->print('<h3>'.$syllabusfields{$_}.'</h3><blockquote>'.
+		  $r->print('<h3>'.$syllabusfields{$field}.'</h3><blockquote>'.
                             $message.'</blockquote>');
 	      } else {
-		     $r->print('\\\\\textbf{'.$syllabusfields{$_}.'}\\\\'.
+		     $r->print('\\\\\textbf{'.$syllabusfields{$field}.'}\\\\'.
 			       &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
 	      }
               if ($allowed) {
-                 $r->print('<br /><textarea cols="80" rows="6" name="'.$_.'">'.
-			   $syllabus{$_}.
+                 $r->print('<br /><textarea cols="80" rows="6" name="'.$field.'">'.
+			   &HTML::Entities::encode($syllabus{$field},'"&<>').
            '</textarea><input type="submit" name="storesyl" value="'.
 			   &mt('Store').'" />');
 	      }
@@ -206,10 +243,15 @@ sub handler {
        if ($allowed) {
 	   $r->print('</form>');
        }
-       if ($target ne 'tex') {$r->print('</p>');} else {$r->print('\\\\');}
+       if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
     } else {
        $r->print('<p>'.&mt('No personal information provided').'.</p>');
     }
+
+    if ($target ne 'tex') {
+        &print_portfiles_link($r,$is_course);
+    }
+
     if ($env{'request.course.id'}) {
 	if (&Apache::lonnet::allowed('srm',$env{'request.course.id'})) {
 	    if ($target ne 'tex') {
@@ -243,7 +285,355 @@ sub handler {
 	$r->print('\end{document}');
     }
     return OK;
-} 
+}
+
+sub aboutme_info {
+    my ($r,$is_course) = @_;
+    my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
+    my $name;
+    if (!$is_course) {
+        $name = &Apache::loncommon::plainname($cnum,$cdom);
+    }
+    return ($cdom,$cnum,$name);
+}
+
+sub print_portfiles_link {
+    my ($r,$is_course) = @_;
+    my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
+    my $filecounts = &portfolio_files($r,'showlink',undef,$is_course);
+    my $query_string = &build_query_string();
+    my $output;
+    my %lt = &Apache::lonlocal::texthash(
+                         vpfi => 'Viewable portfolio files',
+                         vgpf => 'Viewable group portfolio files',
+                         difl => 'Display file listing',
+             );                     
+    if ($filecounts->{'both'} > 0) {
+        $output = '<h3>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h3>';
+        $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
+                   $query_string.'">'.$lt{'difl'}.
+                   '</a><br /><br />';
+        if ($filecounts->{'both'} == 1) {
+            if ($is_course) {
+                $output .= &mt('One group portfolio file is available.').'<ul>';
+            } else {
+                $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
+            }
+        } else {
+            if ($is_course) {
+                $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
+            } else {
+                $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
+            }
+        }
+        if ($filecounts->{'withoutpass'}) {
+	    $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
+        }
+        if ($filecounts->{'withpass'}) {
+	    $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
+        }
+        $output .= '</ul>';
+    }
+    $r->print($output);
+    return;
+}
+
+sub build_query_string {
+    my ($new_items) = @_;
+    my $query_string;
+    my @formelements = ('register'); 
+    my $new = 0;
+    if (ref($new_items) eq 'HASH') {
+        $new = 1;
+        if (!defined($new_items->{'forceedit'}) && 
+            !defined($new_items->{'forcestudent'})) {
+            push(@formelements,('forceedit','forcestudent'));
+        }
+    } else {
+        push(@formelements,('forceedit','forcestudent'));
+    }
+    foreach my $element (@formelements) {
+        if (exists($env{'form.'.$element})) {
+            if ((!$new) || (!defined($new_items->{$element}))) {
+                $query_string .= '&amp;'.$element.'='.$env{'form.'.$element};
+            }
+        }
+    }
+    if ($new) {
+        foreach my $key (keys(%{$new_items})) {
+            $query_string .= '&amp;'.$key.'='.$new_items->{$key};
+        }
+    }
+    $query_string =~ s/^\&amp;/\?/;
+    return $query_string;
+}
+
+sub display_portfolio_header {
+    my ($r,$is_course) = @_;
+    my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
+    my $query_string = &build_query_string();
+    &Apache::lonhtmlcommon::clear_breadcrumbs();
+    my $forcestudent='';
+    if ($env{'form.forcestudent'}) { $forcestudent='student'; };
+
+    my $output;
+    if ($is_course) {
+        $output = 
+            &Apache::loncommon::start_page('Viewable group portfolio files',undef,
+                                            {'function' => $forcestudent,
+                                             'domain'   => $cdom,});
+        $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
+    } else {
+        $output  =
+            &Apache::loncommon::start_page('Viewable portfolio files',undef,
+                                            {'function' => $forcestudent,
+                                             'domain'   => $cdom,});
+        if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
+            &Apache::lonhtmlcommon::add_breadcrumb
+                ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
+                  text=>"Personal information - $name",
+                  title=>"Go to personal information page for $name"},                 {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
+                  text=>"Viewable files - $name",
+                  title=>"Viewable portfolio files for $name"}
+            );
+            $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
+        }
+        $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
+    }
+    $r->print($output);
+    return;
+}
+
+sub display_portfolio_files {
+    my ($r,$is_course) = @_;
+    my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
+    my %lt = ( withoutpass => 'passphrase not required',
+	       withpass    => 'passphrase protected',
+	       both        => 'all access types ',);
+    %lt = &Apache::lonlocal::texthash(%lt);
+
+    my $portaccess = 'withoutpass';
+    if (exists($env{'form.portaccess'})) {
+        $portaccess = $env{'form.portaccess'};
+    }
+
+    my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
+	.'" name="displaystatus" method="post">'.
+	&mt('File access type: ').'<select name="portaccess">';
+    foreach my $type ('withoutpass','withpass','both') {
+        $output .= '<option value="'.$type.'" ';
+        if ($portaccess eq $type) {
+            $output .= 'selected="selected"';
+        }
+        $output .= '>'.$lt{$type}.'</option>';
+    }
+    $output .= '</select>'."\n".
+               '<input type="submit" name="portaccessbutton" value="'.
+               &mt('Update display').'" />';
+    $output .= '</form><br /><br />';
+    $r->print($output);
+    my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course);
+    if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
+        my $query_string = &build_query_string();
+        $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
+                  '/aboutme'.$query_string.'">');
+        if ($is_course) {
+            $r->print(&mt('Course Information page'));
+        } else {
+            $r->print(&mt('Information about [_1]',$name));
+        }
+        $r->print('</a>');
+    }
+    return;
+}
+
+sub portfolio_files {
+    my ($r,$mode,$lt,$is_course) = @_;
+    my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
+    my $filecounts = {
+                       withpass    => 0,
+                       withoutpass => 0,
+                       both        => 0,
+                     };
+    my $current_permissions =
+	&Apache::lonnet::get_portfile_permissions($cdom,$cnum);
+    my %access_controls = 
+	&Apache::lonnet::get_access_controls($current_permissions);
+    my $portaccess;
+    if ($mode eq 'showlink') {
+        $portaccess = 'both';
+    } else {
+        $portaccess = 'withoutpass';
+        if (exists($env{'form.portaccess'})) {
+            $portaccess = $env{'form.portaccess'};
+        }
+    }
+
+    my $diroutput;
+    if ($is_course) {
+        my %files_by_group;
+        foreach my $filename (sort(keys(%access_controls))) {
+            my ($group,$path) = split('/',$filename,2);
+            $files_by_group{$group}{$path} = $access_controls{$filename}; 
+        }
+        foreach my $group (sort(keys(%files_by_group))) {
+            my %fileshash;
+            my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
+                                           $is_course,$filecounts,$mode,
+                                           $files_by_group{$group},
+                                           \%fileshash,$group);
+            if ($grpout) {
+                $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
+            }
+        }
+    } else {
+        my %allfileshash;
+        $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
+                                      $filecounts,$mode,\%access_controls,
+                                      \%allfileshash);
+    }
+    if ($mode eq 'listfiles') {
+        if ($filecounts->{'both'}) {
+             $r->print($diroutput);
+        } else {
+            my $access_text;
+            if (ref($lt) eq 'HASH') {
+                $access_text = $lt->{$portaccess};   
+            }
+            $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
+        }
+    }
+    return $filecounts;
+}
+
+{ 
+    my $count=0;
+    sub portfolio_table_start {
+	$count=0;
+	return '<table class="LC_aboutme_port">';
+    }
+    sub portfolio_row_start {
+	$count++;
+	my $class = ($count%2)?'LC_odd_row'
+	                      :'LC_even_row';
+	return '<tr class="'.$class.'">';
+    }
+}
+
+sub build_hierarchy {
+    my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
+        $allfileshash,$group) = @_;
+    foreach my $filename (sort(keys(%{$access_info}))) {
+        my $access_status =
+           &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group,                                                 $$access_info{$filename});
+        if ($portaccess eq 'both') {
+            if (($access_status ne 'ok') &&
+                ($access_status !~  /^[^:]+:guest_/)) {
+                next;
+            }
+        } elsif ($portaccess eq 'withoutpass') {
+            if ($access_status ne 'ok') {
+                next;
+            }
+        } elsif ($portaccess eq 'withpass') {
+            if ($access_status !~  /^[^:]+:guest_/) {
+                next;
+            }
+        }
+        if ($mode eq 'listfiles') {
+            $filename =~ s/^\///;
+            my @pathitems = split('/',$filename);
+            my $lasthash = $allfileshash;
+            while (@pathitems > 1) {
+                my $newlevel = shift(@pathitems);
+                if (!exists($lasthash->{$newlevel})) {
+                    $lasthash->{$newlevel} = {};
+                }
+                $lasthash = $lasthash->{$newlevel};
+            }
+            $lasthash->{$pathitems[0]} = $filename;
+        }
+        if ($access_status eq 'ok') {
+            $filecounts->{'withoutpass'} ++;
+        } elsif ($access_status =~  /^[^:]+:guest_/) {
+            $filecounts->{'withpass'} ++;
+        }
+    }
+    $filecounts->{'both'} =  $filecounts->{'withoutpass'} +
+                              $filecounts->{'withpass'};
+    my $output;
+    if ($mode eq 'listfiles') {
+        if ($filecounts->{'both'} > 0) {
+            $output = &portfolio_table_start();
+            $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
+                                        $group);
+            $output .= '</table>';
+        }
+    }
+    return $output;
+}
+
+sub parse_directory {
+    my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
+    my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
+    $depth++;
+    my $output;
+
+    my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
+                                                                $group);
+    my %dirlist = map {
+	    ((split('&',$_,2))[0],1)
+	} &Apache::lonnet::dirlist($path,$cdom,$cnum,$portfolio_root);
+    foreach my $item (sort(keys(%{$currhash}))) {
+        $output .= &portfolio_row_start();
+        $output .= '<td style="padding-left: '.($depth*25).'px">';
+        if (ref($currhash->{$item}) eq 'HASH') {
+            my $title=&HTML::Entities::encode($item,'<>&"');
+            $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" />&nbsp;'.$title;
+	    $output .= '</td><td></td></tr>';
+            $output .= &parse_directory($r,$depth,$currhash->{$item},
+					$path.'/'.$item,$is_course,$group);
+        } else {
+	    my $file_name; 
+	    if ($currhash->{$item} =~ m|/([^/]+)$|) {
+		$file_name = $1;
+	    } else {
+		$file_name = $currhash->{$item};
+	    }
+	    my $have_meta = exists($dirlist{$file_name.'.meta'});
+            my $url;
+            if ($is_course) {
+                $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
+                       '/portfolio/'.$currhash->{$item};
+            } else { 
+	        $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
+		       $currhash->{$item};
+            }
+            my $showname;
+	    if ($have_meta) {
+		$showname = &Apache::lonnet::metadata($url,'title');
+	    }
+	    if ($showname eq '') {
+		$showname = $file_name;
+	    } else {
+		$showname = $file_name.' ('.$showname.')';
+	    }
+
+            $showname=&HTML::Entities::encode($showname,'<>&"');
+            $output .= '<a href="'.$url.'">'.
+		'<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
+		'&nbsp;'.$showname.'</a>';
+	    $output.='</td><td>';
+	    if ($have_meta) {
+		$output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Catalog Information').'" src="'.
+		&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
+		'" class="LC_icon" /></a>';
+	    }
+	    $output .= '</td></tr>';
+        }
+    }
+    return $output;
+}
 
 1;
 __END__