Return to lonaboutme.pm CVS log

Up to [LON-CAPA] / loncom / interface

- BUG#5336 - add <link> rss advertisments to the aboutme page and rss pages

    1: # The LearningOnline Network
    2: # "About Me" Personal Information
    3: #
    4: # $Id: lonaboutme.pm,v 1.65 2007/07/27 00:17:17 albertel Exp $
    5: #
    6: # Copyright Michigan State University Board of Trustees
    7: #
    8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    9: #
   10: # LON-CAPA is free software; you can redistribute it and/or modify
   11: # it under the terms of the GNU General Public License as published by
   12: # the Free Software Foundation; either version 2 of the License, or
   13: # (at your option) any later version.
   14: #
   15: # LON-CAPA is distributed in the hope that it will be useful,
   16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   18: # GNU General Public License for more details.
   19: #
   20: # You should have received a copy of the GNU General Public License
   21: # along with LON-CAPA; if not, write to the Free Software
   22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   23: #
   24: # /home/httpd/html/adm/gpl.txt
   25: #
   26: # http://www.lon-capa.org/
   27: #
   28: 
   29: package Apache::lonaboutme;
   30: 
   31: use strict;
   32: use Apache::Constants qw(:common);
   33: use Apache::loncommon;
   34: use Apache::lonnet;
   35: use Apache::lontexconvert;
   36: use Apache::lonfeedback;
   37: use Apache::lonrss();
   38: use Apache::lonlocal;
   39: use Apache::lonmsgdisplay();
   40: use HTML::Entities();
   41: 
   42: sub handler {
   43:     my $r = shift;
   44:     &Apache::loncommon::content_type($r,'text/html');
   45:     $r->send_http_header;
   46:     return OK if $r->header_only;
   47:     my $target=$env{'form.grade_target'};
   48: # ------------------------------------------------------------ Print the screen
   49:     if ($target eq 'tex') {
   50: 	$r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
   51:     }
   52:     my (undef,undef,$cdom,$cnum,undef,$action)=split(/\//,$r->uri);
   53:     my $is_course;
   54: # Is this even a user?
   55:     if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
   56: 	&Apache::loncommon::simple_error_page($r,'No info',
   57: 					      'No user information available');
   58:         return OK;
   59:     } else {
   60:         $is_course = &Apache::lonnet::is_course($cdom,$cnum);
   61:     }
   62: 
   63: # --------------------------------------------------------- The syllabus fields
   64:     my %syllabusfields=&Apache::lonlocal::texthash(
   65:        'aaa_contactinfo'   => 'Contact Information',
   66:        'bbb_aboutme'       => 'About Me',
   67:        'ccc_webreferences' => 'Web References');
   68: 
   69: # ------------------------------------------------------------ Get Query String
   70:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
   71: 					    ['forceedit','forcestudent',
   72: 					     'register']);
   73: 
   74: # ----------------------------------------------- Available Portfolio file display 
   75:     if (($target ne 'tex') && ($action eq 'portfolio')) {
   76:         &display_portfolio_header($r,$is_course);
   77:         my ($blocked,$blocktext) = 
   78:            &Apache::loncommon::blocking_status('port',$cnum,$cdom);
   79:         if (!$blocked) {
   80:             &display_portfolio_files($r,$is_course);
   81:         } else {
   82:             $r->print($blocktext);
   83:         }
   84:         $r->print(&Apache::loncommon::end_page());
   85:         return OK;
   86:     }
   87: 
   88:     if ($is_course) {
   89:         if ($target ne 'tex') {
   90:             my $start_page =
   91:                 &Apache::loncommon::start_page(
   92:                     "Course Information",
   93:                      undef,
   94:                      {'function' => $env{'forcestudent'},
   95:                       'domain'   => $cdom,
   96:                       'force_register' => $env{'forceregister'},});
   97:             $r->print($start_page);
   98:             $r->print('<h2>'.&mt('Group files').'</h2>');
   99:             &print_portfiles_link($r,$is_course);
  100:             $r->print(&Apache::loncommon::end_page());
  101:         }
  102:         return OK;
  103:     }
  104: 
  105: # --------------------------------------------------------------- Force Student
  106:     my $forcestudent='';
  107:     if ($env{'form.forcestudent'}) { $forcestudent='student'; };
  108: 
  109:     my $forceregister = '';
  110:     if ($forcestudent eq '') {
  111:         $forceregister = $env{'form.register'};
  112:     }
  113:        
  114: # --------------------------------------- There is such a user, get environment
  115:     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
  116:     if ($target ne 'tex') {
  117: 	my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
  118: 	my $start_page = 
  119: 	    &Apache::loncommon::start_page("Personal Information", $rss_link,
  120: 					   {'function'       => $forcestudent,
  121:  					    'domain'         => $cdom,
  122: 					    'force_register' =>
  123: 						            $forceregister,});
  124: 	$r->print($start_page);
  125: 	$r->print('<h1>'.&Apache::loncommon::plainname($cnum,$cdom).'</h1>');
  126:     } else {
  127: 	$r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
  128:     }
  129:     if ($courseenv{'nickname'}) {
  130:        $r->print(
  131:          '<h2>&quot;'.$courseenv{'nickname'}.
  132:          '&quot;</h2>');
  133:     }
  134:     if ($target ne 'tex') {
  135: 	$r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>'.
  136: 		  '<p>'.&Apache::loncommon::messagewrapper('Send me a message',$cnum,$cdom).'</p>'.&Apache::lonrss::advertisefeeds($cnum,$cdom));
  137:     } else {
  138: 	$r->print('\textbf{'.&Apache::lonnet::domain($cdom,'description').'}\\\\');
  139:     }
  140:     my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
  141:     my $allowed=0;
  142: 
  143: # does this user have privileges to post, etc?
  144: 
  145:        my $privleged=$allowed=(($env{'user.name'} eq $cnum) && 
  146: 			       ($env{'user.domain'} eq $cdom));
  147:        if ($forcestudent or $target eq 'tex') { $allowed=0; }
  148:  
  149:        if ($allowed) {
  150:            my $query_string = &build_query_string({'forcestudent' => '1',});
  151: 	   $r->print('<p><b>'.&mt('Privacy Note').':</b> '.
  152: 		     &mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.').
  153: 		     '</p>'.
  154: 		     &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'</p><p><a href="'.$r->uri.$query_string.'">Show Public View</a>'.
  155: 		     &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
  156:        } elsif ($privleged && $target ne 'tex') {
  157:            my $query_string = &build_query_string({'forceedit' => '1',});
  158: 	   $r->print('<p><a href="'.$r->uri.$query_string.'"><font size="+1">'.
  159: 		     &mt('Edit').'</font></a></p>');
  160:        }
  161:       if (($env{'form.uploaddoc.filename'}) &&
  162:           ($env{'form.storeupl'}) && ($allowed)) {
  163:  	  if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
  164: 	      if ($syllabus{'uploaded.photourl'}) {
  165: 		  &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
  166: 	      }
  167: 	      $syllabus{'uploaded.photourl'}=
  168:                  &Apache::lonnet::userfileupload('uploaddoc',undef,'aboutme');
  169:  	  }
  170:           $syllabus{'uploaded.lastmodified'}=time;
  171:           &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
  172:        }
  173:     if ($allowed && $env{'form.delupl'}) {
  174: 	if ($syllabus{'uploaded.photourl'}) {
  175: 	    &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
  176: 	    delete($syllabus{'uploaded.photourl'});
  177: 	    &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
  178: 	}
  179:     }
  180:        if (($allowed) && ($env{'form.storesyl'})) {
  181: 	   foreach my $syl_field (keys(%syllabusfields)) {
  182:                my $field=$env{'form.'.$syl_field};
  183:                $field=~s/\s+$//s;
  184:                $field=&Apache::lonfeedback::clear_out_html($field,
  185:                                                            $env{'user.adv'});
  186: 	       $syllabus{$syl_field}=$field;
  187:            }
  188:            $syllabus{'uploaded.lastmodified'}=time;
  189:            &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
  190:        }
  191: 
  192: # ---------------------------------------------------------------- Get syllabus
  193:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
  194:        my $lastmod=$syllabus{'uploaded.lastmodified'};
  195:        $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
  196:        $r->print(&mt('Last updated').': '.$lastmod);
  197:        if ($syllabus{'uploaded.photourl'}) {
  198: 	   &Apache::lonnet::allowuploaded('/adm/aboutme',
  199: 					  $syllabus{'uploaded.photourl'});
  200: 	   my $image=
  201:                qq{<img src="$syllabus{'uploaded.photourl'}" align="right" />};
  202: 	   if ($target eq 'tex') {
  203: 	       $image=&Apache::lonxml::xmlparse($r,'tex',$image);
  204: 	   }
  205: 	   $r->print($image);
  206:        }
  207:        if ($allowed) {
  208:            $r->print(
  209: 	 '<form method="post">
  210:                <input type="submit" name="delupl" value="Delete Photo" />
  211:           </form>'.
  212: 	 '<form method="post" enctype="multipart/form-data">'.
  213:          '<h3>'.&mt('Upload a Photo').'</h3>'.
  214:          '<input type="file" name="uploaddoc" size="50">'.
  215:          '<input type="submit" name="storeupl" value="Upload">'.
  216: 	 '</form><form method="post">');
  217: 
  218:        }
  219:        foreach my $field (sort(keys(%syllabusfields))) {
  220:           if (($syllabus{$field}) || ($allowed)) {
  221:               my $message=$syllabus{$field};
  222: 	      &Apache::lonfeedback::newline_to_br(\$message);
  223:               $message
  224:              =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
  225: 	      if ($allowed) {
  226: 		  $message=&Apache::lonspeller::markeduptext($message);
  227: 	      }
  228: 	      $message=&Apache::lontexconvert::msgtexconverted($message);
  229: 	      if ($target ne 'tex') {
  230: 		  $r->print('<h3>'.$syllabusfields{$field}.'</h3><blockquote>'.
  231:                             $message.'</blockquote>');
  232: 	      } else {
  233: 		     $r->print('\\\\\textbf{'.$syllabusfields{$field}.'}\\\\'.
  234: 			       &Apache::lonxml::xmlparse($r,'tex',$message).'\\\\');
  235: 	      }
  236:               if ($allowed) {
  237:                  $r->print('<br /><textarea cols="80" rows="6" name="'.$field.'">'.
  238: 			   &HTML::Entities::encode($syllabus{$field},'"&<>').
  239:            '</textarea><input type="submit" name="storesyl" value="'.
  240: 			   &mt('Save').'" />');
  241: 	      }
  242: 	  }
  243:        }
  244:        if ($allowed) {
  245: 	   $r->print('</form>');
  246:        }
  247:        if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
  248:     } else {
  249:        $r->print('<p>'.&mt('No personal information provided').'.</p>');
  250:     }
  251: 
  252:     if ($target ne 'tex') {
  253:         &print_portfiles_link($r,$is_course);
  254:     }
  255: 
  256:     if ($env{'request.course.id'}
  257: 	&& &Apache::lonnet::allowed('srm',$env{'request.course.id'})
  258: 	&& &in_course($cdom,$cnum)) {
  259: 	if ($target ne 'tex') {
  260: 	    $r->print('<a name="coursecomment" />');
  261: 	    $r->print('<hr /><h3>'.
  262: 		      &mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'</h3>'.
  263: 		      &mt('Shared by course faculty and staff').
  264: 		      &Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message").
  265: 		      '<br />');
  266: 	    &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
  267: 	    $r->print('<hr />');
  268: 	    if (&Apache::lonnet::allowed('vsa',
  269: 					 $env{'request.course.id'}) ||
  270: 		&Apache::lonnet::allowed('vsa',
  271: 					 $env{'request.course.id'}.'/'.
  272: 					 $env{'request.course.sec'})) {
  273: 		$r->print(&Apache::loncommon::track_student_link
  274: 			  ('View recent activity by this student',
  275: 			   $cnum,$cdom).('&nbsp;'x2));
  276: 	    }
  277: 	    $r->print(&Apache::loncommon::noteswrapper('Add Records',$cnum,$cdom));
  278: 	} else {
  279: 	    $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
  280: 	    &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
  281: 	}
  282:     }
  283:     if ($target ne 'tex') {
  284: 	$r->print(&Apache::loncommon::end_page());
  285:     } else {
  286: 	$r->print('\end{document}');
  287:     }
  288:     return OK;
  289: }
  290: 
  291: sub in_course {
  292:     my ($udom,$uname,$cdom,$cnum,$type) = @_;
  293:     $type ||= 'any';
  294:     if (!defined($cdom) || !defined($cnum)) {
  295: 	my $cid  = $env{'request.course.id'};
  296: 	$cdom = $env{'course.'.$cid.'.domain'};
  297: 	$cnum = $env{'course.'.$cid.'.num'};
  298:     }
  299:     my %roles = &Apache::lonnet::dump('roles',$udom,$uname);
  300:     my @course_roles = grep(m{^/\Q$cdom\E/\Q$cnum\E[/_]}, keys(%roles));
  301:     return 0 if (!@course_roles);
  302:     return 1 if ($type eq 'any');
  303:     my $now = time();
  304:     foreach my $role (@course_roles) {
  305: 	my (undef,$role_end,$role_start)=split(/\_/,$roles{$role});
  306: 	my $status = 'active';
  307: 	if ($role_start > 0 && $now < $role_start) {
  308: 	    $status = 'future';
  309: 	}
  310: 	if ($role_end > 0 && $now > $role_end) {
  311: 	    $status = 'previous';
  312: 	}
  313: 	return 1 if ($status eq $type);
  314:     }
  315:     return 0;
  316: }
  317: 
  318: sub aboutme_info {
  319:     my ($r,$is_course) = @_;
  320:     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
  321:     my $name;
  322:     if (!$is_course) {
  323:         $name = &Apache::loncommon::plainname($cnum,$cdom);
  324:     }
  325:     return ($cdom,$cnum,$name);
  326: }
  327: 
  328: sub print_portfiles_link {
  329:     my ($r,$is_course) = @_;
  330:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
  331:     my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
  332:                                       $cdom,$cnum,$name);
  333:     my $query_string = &build_query_string();
  334:     my $output;
  335:     my %lt = &Apache::lonlocal::texthash(
  336:                          vpfi => 'Viewable portfolio files',
  337:                          vgpf => 'Viewable group portfolio files',
  338:                          difl => 'Display file listing',
  339:              );                     
  340:     if ($filecounts->{'both'} > 0) {
  341:         $output = '<h3>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h3>';
  342:         $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
  343:                    $query_string.'">'.$lt{'difl'}.
  344:                    '</a><br /><br />';
  345:         if ($filecounts->{'both'} == 1) {
  346:             if ($is_course) {
  347:                 $output .= &mt('One group portfolio file is available.').'<ul>';
  348:             } else {
  349:                 $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
  350:             }
  351:         } else {
  352:             if ($is_course) {
  353:                 $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
  354:             } else {
  355:                 $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
  356:             }
  357:         }
  358:         if ($filecounts->{'withoutpass'}) {
  359: 	    $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
  360:         }
  361:         if ($filecounts->{'withpass'}) {
  362: 	    $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
  363:         }
  364:         $output .= '</ul>';
  365:     }
  366:     $r->print($output);
  367:     return;
  368: }
  369: 
  370: sub build_query_string {
  371:     my ($new_items) = @_;
  372:     my $query_string;
  373:     my @formelements = ('register'); 
  374:     my $new = 0;
  375:     if (ref($new_items) eq 'HASH') {
  376:         $new = 1;
  377:         if (!defined($new_items->{'forceedit'}) && 
  378:             !defined($new_items->{'forcestudent'})) {
  379:             push(@formelements,('forceedit','forcestudent'));
  380:         }
  381:     } else {
  382:         push(@formelements,('forceedit','forcestudent'));
  383:     }
  384:     foreach my $element (@formelements) {
  385:         if (exists($env{'form.'.$element})) {
  386:             if ((!$new) || (!defined($new_items->{$element}))) {
  387:                 $query_string .= '&amp;'.$element.'='.$env{'form.'.$element};
  388:             }
  389:         }
  390:     }
  391:     if ($new) {
  392:         foreach my $key (keys(%{$new_items})) {
  393:             $query_string .= '&amp;'.$key.'='.$new_items->{$key};
  394:         }
  395:     }
  396:     $query_string =~ s/^\&amp;/\?/;
  397:     return $query_string;
  398: }
  399: 
  400: sub display_portfolio_header {
  401:     my ($r,$is_course) = @_;
  402:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
  403:     my $query_string = &build_query_string();
  404:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  405:     my $forcestudent='';
  406:     if ($env{'form.forcestudent'}) { $forcestudent='student'; };
  407: 
  408:     my $output;
  409:     if ($is_course) {
  410:         $output = 
  411:             &Apache::loncommon::start_page('Viewable group portfolio files',undef,
  412:                                             {'function' => $forcestudent,
  413:                                              'domain'   => $cdom,});
  414:         $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
  415:     } else {
  416:         $output  =
  417:             &Apache::loncommon::start_page('Viewable portfolio files',undef,
  418:                                             {'function' => $forcestudent,
  419:                                              'domain'   => $cdom,});
  420:         if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
  421:             &Apache::lonhtmlcommon::add_breadcrumb
  422:                 ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
  423:                   text=>"Personal information - $name",
  424:                   title=>"Go to personal information page for $name"},                 {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
  425:                   text=>"Viewable files - $name",
  426:                   title=>"Viewable portfolio files for $name"}
  427:             );
  428:             $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
  429:         }
  430:         $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
  431:     }
  432:     $r->print($output);
  433:     return;
  434: }
  435: 
  436: sub display_portfolio_files {
  437:     my ($r,$is_course) = @_;
  438:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
  439:     my %lt = ( withoutpass => 'passphrase not required',
  440: 	       withpass    => 'passphrase protected',
  441: 	       both        => 'all access types ',);
  442:     %lt = &Apache::lonlocal::texthash(%lt);
  443: 
  444:     my $portaccess = 'withoutpass';
  445:     if (exists($env{'form.portaccess'})) {
  446:         $portaccess = $env{'form.portaccess'};
  447:     }
  448: 
  449:     my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
  450: 	.'" name="displaystatus" method="post">'.
  451: 	&mt('File access type: ').'<select name="portaccess">';
  452:     foreach my $type ('withoutpass','withpass','both') {
  453:         $output .= '<option value="'.$type.'" ';
  454:         if ($portaccess eq $type) {
  455:             $output .= 'selected="selected"';
  456:         }
  457:         $output .= '>'.$lt{$type}.'</option>';
  458:     }
  459:     $output .= '</select>'."\n".
  460:                '<input type="submit" name="portaccessbutton" value="'.
  461:                &mt('Update display').'" />';
  462:     $output .= '</form><br /><br />';
  463:     $r->print($output);
  464:     my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
  465:                                       $cdom,$cnum,$name);
  466:     if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
  467:         my $query_string = &build_query_string();
  468:         $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
  469:                   '/aboutme'.$query_string.'">');
  470:         if ($is_course) {
  471:             $r->print(&mt('Course Information page'));
  472:         } else {
  473:             $r->print(&mt('Information about [_1]',$name));
  474:         }
  475:         $r->print('</a>');
  476:     }
  477:     return;
  478: }
  479: 
  480: sub portfolio_files {
  481:     my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
  482:     my $filecounts = {
  483:                        withpass    => 0,
  484:                        withoutpass => 0,
  485:                        both        => 0,
  486:                      };
  487:     my $current_permissions =
  488: 	&Apache::lonnet::get_portfile_permissions($cdom,$cnum);
  489:     my %access_controls = 
  490: 	&Apache::lonnet::get_access_controls($current_permissions);
  491:     my $portaccess;
  492:     if ($mode eq 'showlink') {
  493:         $portaccess = 'both';
  494:     } else {
  495:         $portaccess = 'withoutpass';
  496:         if (exists($env{'form.portaccess'})) {
  497:             $portaccess = $env{'form.portaccess'};
  498:         }
  499:     }
  500: 
  501:     my $diroutput;
  502:     if ($is_course) {
  503:         my %files_by_group;
  504:         foreach my $filename (sort(keys(%access_controls))) {
  505:             my ($group,$path) = split('/',$filename,2);
  506:             $files_by_group{$group}{$path} = $access_controls{$filename}; 
  507:         }
  508:         foreach my $group (sort(keys(%files_by_group))) {
  509:             my %fileshash;
  510:             my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
  511:                                            $is_course,$filecounts,$mode,
  512:                                            $files_by_group{$group},
  513:                                            \%fileshash,$group);
  514:             if ($grpout) {
  515:                 $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
  516:             }
  517:         }
  518:     } else {
  519:         my %allfileshash;
  520:         $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
  521:                                       $filecounts,$mode,\%access_controls,
  522:                                       \%allfileshash);
  523:     }
  524:     if ($mode eq 'listfiles') {
  525:         if ($filecounts->{'both'}) {
  526:              $r->print($diroutput);
  527:         } else {
  528:             my $access_text;
  529:             if (ref($lt) eq 'HASH') {
  530:                 $access_text = $lt->{$portaccess};   
  531:             }
  532:             $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
  533:         }
  534:     }
  535:     return $filecounts;
  536: }
  537: 
  538: { 
  539:     my $count=0;
  540:     sub portfolio_table_start {
  541: 	$count=0;
  542: 	return '<table class="LC_aboutme_port">';
  543:     }
  544:     sub portfolio_row_start {
  545: 	$count++;
  546: 	my $class = ($count%2)?'LC_odd_row'
  547: 	                      :'LC_even_row';
  548: 	return '<tr class="'.$class.'">';
  549:     }
  550: }
  551: 
  552: sub build_hierarchy {
  553:     my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
  554:         $allfileshash,$group) = @_;
  555:     foreach my $filename (sort(keys(%{$access_info}))) {
  556:         my $access_status =
  557:            &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group,                                                 $$access_info{$filename});
  558:         if ($portaccess eq 'both') {
  559:             if (($access_status ne 'ok') &&
  560:                 ($access_status !~  /^[^:]+:guest_/)) {
  561:                 next;
  562:             }
  563:         } elsif ($portaccess eq 'withoutpass') {
  564:             if ($access_status ne 'ok') {
  565:                 next;
  566:             }
  567:         } elsif ($portaccess eq 'withpass') {
  568:             if ($access_status !~  /^[^:]+:guest_/) {
  569:                 next;
  570:             }
  571:         }
  572:         if ($mode eq 'listfiles') {
  573:             $filename =~ s/^\///;
  574:             my @pathitems = split('/',$filename);
  575:             my $lasthash = $allfileshash;
  576:             while (@pathitems > 1) {
  577:                 my $newlevel = shift(@pathitems);
  578:                 if (!exists($lasthash->{$newlevel})) {
  579:                     $lasthash->{$newlevel} = {};
  580:                 }
  581:                 $lasthash = $lasthash->{$newlevel};
  582:             }
  583:             $lasthash->{$pathitems[0]} = $filename;
  584:         }
  585:         if ($access_status eq 'ok') {
  586:             $filecounts->{'withoutpass'} ++;
  587:         } elsif ($access_status =~  /^[^:]+:guest_/) {
  588:             $filecounts->{'withpass'} ++;
  589:         }
  590:     }
  591:     $filecounts->{'both'} =  $filecounts->{'withoutpass'} +
  592:                               $filecounts->{'withpass'};
  593:     my $output;
  594:     if ($mode eq 'listfiles') {
  595:         if ($filecounts->{'both'} > 0) {
  596:             $output = &portfolio_table_start();
  597:             $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
  598:                                         $group);
  599:             $output .= '</table>';
  600:         }
  601:     }
  602:     return $output;
  603: }
  604: 
  605: sub parse_directory {
  606:     my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
  607:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
  608:     $depth++;
  609:     my $output;
  610: 
  611:     my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
  612:                                                                 $group);
  613:     my %dirlist = map {
  614: 	    ((split('&',$_,2))[0],1)
  615: 	} &Apache::lonnet::dirlist($path,$cdom,$cnum,$portfolio_root);
  616:     foreach my $item (sort(keys(%{$currhash}))) {
  617:         $output .= &portfolio_row_start();
  618:         $output .= '<td style="padding-left: '.($depth*25).'px">';
  619:         if (ref($currhash->{$item}) eq 'HASH') {
  620:             my $title=&HTML::Entities::encode($item,'<>&"');
  621:             $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" />&nbsp;'.$title;
  622: 	    $output .= '</td><td></td></tr>';
  623:             $output .= &parse_directory($r,$depth,$currhash->{$item},
  624: 					$path.'/'.$item,$is_course,$group);
  625:         } else {
  626: 	    my $file_name; 
  627: 	    if ($currhash->{$item} =~ m|/([^/]+)$|) {
  628: 		$file_name = $1;
  629: 	    } else {
  630: 		$file_name = $currhash->{$item};
  631: 	    }
  632: 	    my $have_meta = exists($dirlist{$file_name.'.meta'});
  633:             my $url;
  634:             if ($is_course) {
  635:                 $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
  636:                        '/portfolio/'.$currhash->{$item};
  637:             } else { 
  638: 	        $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
  639: 		       $currhash->{$item};
  640:             }
  641:             my $showname;
  642: 	    if ($have_meta) {
  643: 		$showname = &Apache::lonnet::metadata($url,'title');
  644: 	    }
  645: 	    if ($showname eq '') {
  646: 		$showname = $file_name;
  647: 	    } else {
  648: 		$showname = $file_name.' ('.$showname.')';
  649: 	    }
  650: 
  651:             $showname=&HTML::Entities::encode($showname,'<>&"');
  652:             $output .= '<a href="'.$url.'">'.
  653: 		'<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
  654: 		'&nbsp;'.$showname.'</a>';
  655: 	    $output.='</td><td>';
  656: 	    if ($have_meta) {
  657: 		$output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Catalog Information').'" src="'.
  658: 		&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
  659: 		'" class="LC_icon" /></a>';
  660: 	    }
  661: 	    $output .= '</td></tr>';
  662:         }
  663:     }
  664:     return $output;
  665: }
  666: 
  667: 1;
  668: __END__