Annotation of loncom/interface/lonaboutme.pm, revision 1.76

1.1       www         1: # The LearningOnline Network
1.2       www         2: # "About Me" Personal Information
1.1       www         3: #
1.76    ! harmsja     4: # $Id: lonaboutme.pm,v 1.75 2008/12/02 09:41:07 ehlerst Exp $
1.1       www         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: 
1.74      jms        29: =pod
                     30: 
                     31: =head1 NAME
                     32: 
                     33: pache::lonaboutme
                     34: 
                     35: =head1 SYNOPSIS
                     36: 
                     37: (empty)
                     38: 
                     39: This is part of the LearningOnline Network with CAPA project
                     40: described at http://www.lon-capa.org.
                     41: 
                     42: =head1 OVERVIEW
                     43: 
                     44: (empty)
                     45: 
                     46: 
                     47: =head1 SUBROUTINES
                     48: 
                     49: =over
                     50: 
                     51: =item handler()
                     52: 
                     53: =item in_course()
                     54: 
                     55: =item aboutme_info()
                     56: 
                     57: =item print_portfiles_link()
                     58: 
                     59: =item build_query_string()
                     60: 
                     61: =item display_portfolio_header()
                     62: 
                     63: =item display_portfolio_files()
                     64: 
                     65: =item portfolio_files()
                     66: 
                     67: =item build_hierarchy()
                     68: 
                     69: =item parse_directory()
                     70: 
                     71: =back
                     72: 
                     73: =cut
                     74: 
                     75: 
1.1       www        76: package Apache::lonaboutme;
                     77: 
                     78: use strict;
                     79: use Apache::Constants qw(:common);
                     80: use Apache::loncommon;
                     81: use Apache::lonnet;
1.2       www        82: use Apache::lontexconvert;
1.12      www        83: use Apache::lonfeedback;
1.39      www        84: use Apache::lonrss();
1.17      www        85: use Apache::lonlocal;
1.41      albertel   86: use Apache::lonmsgdisplay();
1.72      amueller   87: use Apache::lontemplate;
1.52      albertel   88: use HTML::Entities();
1.1       www        89: 
                     90: sub handler {
                     91:     my $r = shift;
1.17      www        92:     &Apache::loncommon::content_type($r,'text/html');
1.1       www        93:     $r->send_http_header;
                     94:     return OK if $r->header_only;
1.37      albertel   95:     my $target=$env{'form.grade_target'};
1.1       www        96: # ------------------------------------------------------------ Print the screen
1.40      albertel   97:     if ($target eq 'tex') {
1.37      albertel   98: 	$r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
1.22      sakharuk   99:     }
1.47      albertel  100:     my (undef,undef,$cdom,$cnum,undef,$action)=split(/\//,$r->uri);
1.55      raeburn   101:     my $is_course;
1.2       www       102: # Is this even a user?
                    103:     if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
1.40      albertel  104: 	&Apache::loncommon::simple_error_page($r,'No info',
                    105: 					      'No user information available');
1.2       www       106:         return OK;
1.55      raeburn   107:     } else {
1.59      raeburn   108:         $is_course = &Apache::lonnet::is_course($cdom,$cnum);
1.2       www       109:     }
1.55      raeburn   110: 
1.2       www       111: # --------------------------------------------------------- The syllabus fields
1.17      www       112:     my %syllabusfields=&Apache::lonlocal::texthash(
1.3       www       113:        'aaa_contactinfo'   => 'Contact Information',
                    114:        'bbb_aboutme'       => 'About Me',
                    115:        'ccc_webreferences' => 'Web References');
1.2       www       116: 
1.13      www       117: # ------------------------------------------------------------ Get Query String
1.47      albertel  118:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                    119: 					    ['forceedit','forcestudent',
1.69      raeburn   120: 					     'register','popup']);
1.43      raeburn   121: 
                    122: # ----------------------------------------------- Available Portfolio file display 
1.47      albertel  123:     if (($target ne 'tex') && ($action eq 'portfolio')) {
1.55      raeburn   124:         &display_portfolio_header($r,$is_course);
1.60      raeburn   125:         my ($blocked,$blocktext) = 
                    126:            &Apache::loncommon::blocking_status('port',$cnum,$cdom);
                    127:         if (!$blocked) {
                    128:             &display_portfolio_files($r,$is_course);
                    129:         } else {
                    130:             $r->print($blocktext);
                    131:         }
1.43      raeburn   132:         $r->print(&Apache::loncommon::end_page());
                    133:         return OK;
                    134:     }
                    135: 
1.55      raeburn   136:     if ($is_course) {
                    137:         if ($target ne 'tex') {
                    138:             my $start_page =
                    139:                 &Apache::loncommon::start_page(
                    140:                     "Course Information",
                    141:                      undef,
                    142:                      {'function' => $env{'forcestudent'},
                    143:                       'domain'   => $cdom,
                    144:                       'force_register' => $env{'forceregister'},});
                    145:             $r->print($start_page);
                    146:             $r->print('<h2>'.&mt('Group files').'</h2>');
                    147:             &print_portfiles_link($r,$is_course);
                    148:             $r->print(&Apache::loncommon::end_page());
                    149:         }
                    150:         return OK;
                    151:     }
                    152: 
1.2       www       153: # --------------------------------------------------------------- Force Student
                    154:     my $forcestudent='';
1.37      albertel  155:     if ($env{'form.forcestudent'}) { $forcestudent='student'; };
1.43      raeburn   156: 
                    157:     my $forceregister = '';
                    158:     if ($forcestudent eq '') {
                    159:         $forceregister = $env{'form.register'};
                    160:     }
1.2       www       161:        
                    162: # --------------------------------------- There is such a user, get environment
                    163:     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
1.22      sakharuk  164:     if ($target ne 'tex') {
1.65      albertel  165: 	my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
1.69      raeburn   166:         my $args = {'function' => $forcestudent,
                    167:                     'domain'   => $cdom,
                    168:                     'force_register' => $forceregister};
                    169:         if ($env{'form.popup'}) {
                    170:             $args->{'no_nav_bar'} = 1;
                    171:         }
1.40      albertel  172: 	my $start_page = 
1.69      raeburn   173: 	    &Apache::loncommon::start_page("Personal Information",$rss_link,$args);
1.40      albertel  174: 	$r->print($start_page);
1.76    ! harmsja   175: 	$r->print('<h2>'.&Apache::loncommon::plainname($cnum,$cdom).'</h2>');
1.22      sakharuk  176:     } else {
                    177: 	$r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
                    178:     }
1.6       www       179:     if ($courseenv{'nickname'}) {
                    180:        $r->print(
1.7       albertel  181:          '<h2>&quot;'.$courseenv{'nickname'}.
1.6       www       182:          '&quot;</h2>');
                    183:     }
1.22      sakharuk  184:     if ($target ne 'tex') {
1.71      amueller  185: 	$r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');#OLD SendMessage POS
1.22      sakharuk  186:     } else {
1.61      albertel  187: 	$r->print('\textbf{'.&Apache::lonnet::domain($cdom,'description').'}\\\\');
1.22      sakharuk  188:     }
1.2       www       189:     my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
                    190:     my $allowed=0;
                    191: 
1.1       www       192: # does this user have privileges to post, etc?
1.2       www       193: 
1.37      albertel  194:        my $privleged=$allowed=(($env{'user.name'} eq $cnum) && 
                    195: 			       ($env{'user.domain'} eq $cdom));
1.23      sakharuk  196:        if ($forcestudent or $target eq 'tex') { $allowed=0; }
1.2       www       197:  
                    198:        if ($allowed) {
1.69      raeburn   199:            my $query_string = &build_query_string({'forcestudent' => '1','popup' => $env{'form.popup'}});
1.32      albertel  200: 	   $r->print('<p><b>'.&mt('Privacy Note').':</b> '.
                    201: 		     &mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.').
                    202: 		     '</p>'.
1.67      bisitz    203: 		     &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).'</p><p><a href="'.$r->uri.$query_string.'">'.&mt('Show Public View').'</a>'.
1.32      albertel  204: 		     &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
                    205:        } elsif ($privleged && $target ne 'tex') {
1.69      raeburn   206:            my $query_string = &build_query_string({'forceedit' => '1','popup' => $env{'form.popup'}});
1.76    ! harmsja   207: 	   $r->print('<p><a href="'.$r->uri.$query_string.'">'.
        !           208: 		     &mt('Edit').'</a></p>');
1.32      albertel  209:        }
1.37      albertel  210:       if (($env{'form.uploaddoc.filename'}) &&
                    211:           ($env{'form.storeupl'}) && ($allowed)) {
                    212:  	  if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.24      albertel  213: 	      if ($syllabus{'uploaded.photourl'}) {
                    214: 		  &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
                    215: 	      }
                    216: 	      $syllabus{'uploaded.photourl'}=
                    217:                  &Apache::lonnet::userfileupload('uploaddoc',undef,'aboutme');
1.3       www       218:  	  }
                    219:           $syllabus{'uploaded.lastmodified'}=time;
                    220:           &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
                    221:        }
1.37      albertel  222:     if ($allowed && $env{'form.delupl'}) {
1.32      albertel  223: 	if ($syllabus{'uploaded.photourl'}) {
                    224: 	    &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
                    225: 	    delete($syllabus{'uploaded.photourl'});
                    226: 	    &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
                    227: 	}
                    228:     }
1.37      albertel  229:        if (($allowed) && ($env{'form.storesyl'})) {
1.57      albertel  230: 	   foreach my $syl_field (keys(%syllabusfields)) {
                    231:                my $field=$env{'form.'.$syl_field};
1.2       www       232:                $field=~s/\s+$//s;
1.11      www       233:                $field=&Apache::lonfeedback::clear_out_html($field,
1.37      albertel  234:                                                            $env{'user.adv'});
1.57      albertel  235: 	       $syllabus{$syl_field}=$field;
1.2       www       236:            }
                    237:            $syllabus{'uploaded.lastmodified'}=time;
                    238:            &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
                    239:        }
                    240: 
1.71      amueller  241: my $lastmod;
                    242: my $image; 
1.2       www       243: # ---------------------------------------------------------------- Get syllabus
                    244:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.71      amueller  245:        $lastmod=$syllabus{'uploaded.lastmodified'};
1.18      www       246:        $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
1.71      amueller  247:        # $r->print(&mt('Last updated').': '.$lastmod); #Old Last Modifi Pos
1.3       www       248:        if ($syllabus{'uploaded.photourl'}) {
1.24      albertel  249: 	   &Apache::lonnet::allowuploaded('/adm/aboutme',
                    250: 					  $syllabus{'uploaded.photourl'});
1.71      amueller  251: 	   $image=
1.76    ! harmsja   252:                qq{<img name="userPhoto" src="$syllabus{'uploaded.photourl'}" />};
1.73      amueller  253: 
1.27      albertel  254: 	   if ($target eq 'tex') {
                    255: 	       $image=&Apache::lonxml::xmlparse($r,'tex',$image);
1.26      sakharuk  256: 	   }
1.71      amueller  257: 	  # $r->print($image); #Print old Image
1.3       www       258:        }
1.23      sakharuk  259:        if ($allowed) {
1.3       www       260:            $r->print(
1.32      albertel  261: 	 '<form method="post">
1.66      bisitz    262:                <input type="submit" name="delupl" value="'.&mt('Delete Photo').'" />
1.32      albertel  263:           </form>'.
1.3       www       264: 	 '<form method="post" enctype="multipart/form-data">'.
1.18      www       265:          '<h3>'.&mt('Upload a Photo').'</h3>'.
1.68      raeburn   266:          '<input type="file" name="uploaddoc" size="50" />'.
                    267:          '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
1.69      raeburn   268:          '<input type="hidden" name="popup" value="'.$env{'form.popup'}.'" />'.
1.3       www       269: 	 '</form><form method="post">');
1.32      albertel  270: 
1.2       www       271:        }
1.75      ehlerst   272: 	&Apache::lontemplate::print_content_template($r,$allowed,$target,\%syllabusfields,\%syllabus);
1.71      amueller  273:        if($target ne 'tex')
                    274:        {
                    275: 		
1.72      amueller  276: 		  &print_portfiles_link($r,$is_course);
1.76    ! harmsja   277: 		$r->print('<div class="ContentBox">');
        !           278: 		$r->print($image); 
        !           279: 		$r->print('</div>');
1.71      amueller  280:       		 $r->print('</div>');
1.76    ! harmsja   281: 			$r->print('<p>');
        !           282:         
1.71      amueller  283: 
                    284: 	$r->print('Kontakt');
                    285: 	$r->print(&Apache::loncommon::messagewrapper(&mt('Send me a message'),$cnum,$cdom).'</p>'.&Apache::lonrss::advertisefeeds($cnum,$cdom));
                    286: 
                    287: 
                    288:        }
                    289: 
1.23      sakharuk  290:        if ($allowed) {
1.69      raeburn   291:            if ($env{'form.popup'}) {
                    292:                $r->print('<input type="hidden" name="popup" value="'.
                    293:                          $env{'form.popup'}.'" />');
                    294:            }
1.2       www       295: 	   $r->print('</form>');
                    296:        }
1.46      albertel  297:        if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
1.2       www       298:     } else {
1.17      www       299:        $r->print('<p>'.&mt('No personal information provided').'.</p>');
1.8       www       300:     }
1.43      raeburn   301: 
                    302:     if ($target ne 'tex') {
1.71      amueller  303:         # &print_portfiles_link($r,$is_course); #old Print files
                    304: 
1.43      raeburn   305:     }
                    306: 
1.63      albertel  307:     if ($env{'request.course.id'}
                    308: 	&& &Apache::lonnet::allowed('srm',$env{'request.course.id'})
                    309: 	&& &in_course($cdom,$cnum)) {
                    310: 	if ($target ne 'tex') {
                    311: 	    $r->print('<a name="coursecomment" />');
                    312: 	    $r->print('<hr /><h3>'.
                    313: 		      &mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'</h3>'.
                    314: 		      &mt('Shared by course faculty and staff').
                    315: 		      &Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message").
                    316: 		      '<br />');
                    317: 	    &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
                    318: 	    $r->print('<hr />');
                    319: 	    if (&Apache::lonnet::allowed('vsa',
                    320: 					 $env{'request.course.id'}) ||
                    321: 		&Apache::lonnet::allowed('vsa',
                    322: 					 $env{'request.course.id'}.'/'.
                    323: 					 $env{'request.course.sec'})) {
                    324: 		$r->print(&Apache::loncommon::track_student_link
                    325: 			  ('View recent activity by this student',
                    326: 			   $cnum,$cdom).('&nbsp;'x2));
1.22      sakharuk  327: 	    }
1.63      albertel  328: 	    $r->print(&Apache::loncommon::noteswrapper('Add Records',$cnum,$cdom));
                    329: 	} else {
                    330: 	    $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
                    331: 	    &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
                    332: 	}
1.1       www       333:     }
1.40      albertel  334:     if ($target ne 'tex') {
1.69      raeburn   335:         if ($env{'form.popup'}) {
                    336:             $r->print('<p><a href="javascript:window.close()">'.&mt('Close window').'</a>');
                    337:         }
1.71      amueller  338: 	$r->print('<br />'.&mt('Last updated').': '.$lastmod);
                    339: 
1.40      albertel  340: 	$r->print(&Apache::loncommon::end_page());
                    341:     } else {
                    342: 	$r->print('\end{document}');
                    343:     }
1.71      amueller  344: 
                    345:   
                    346: 	
1.1       www       347:     return OK;
1.43      raeburn   348: }
                    349: 
1.63      albertel  350: sub in_course {
                    351:     my ($udom,$uname,$cdom,$cnum,$type) = @_;
                    352:     $type ||= 'any';
                    353:     if (!defined($cdom) || !defined($cnum)) {
                    354: 	my $cid  = $env{'request.course.id'};
                    355: 	$cdom = $env{'course.'.$cid.'.domain'};
                    356: 	$cnum = $env{'course.'.$cid.'.num'};
                    357:     }
                    358:     my %roles = &Apache::lonnet::dump('roles',$udom,$uname);
                    359:     my @course_roles = grep(m{^/\Q$cdom\E/\Q$cnum\E[/_]}, keys(%roles));
                    360:     return 0 if (!@course_roles);
                    361:     return 1 if ($type eq 'any');
                    362:     my $now = time();
                    363:     foreach my $role (@course_roles) {
                    364: 	my (undef,$role_end,$role_start)=split(/\_/,$roles{$role});
                    365: 	my $status = 'active';
                    366: 	if ($role_start > 0 && $now < $role_start) {
                    367: 	    $status = 'future';
                    368: 	}
                    369: 	if ($role_end > 0 && $now > $role_end) {
                    370: 	    $status = 'previous';
                    371: 	}
                    372: 	return 1 if ($status eq $type);
                    373:     }
                    374:     return 0;
                    375: }
                    376: 
1.43      raeburn   377: sub aboutme_info {
1.55      raeburn   378:     my ($r,$is_course) = @_;
1.43      raeburn   379:     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
1.55      raeburn   380:     my $name;
                    381:     if (!$is_course) {
                    382:         $name = &Apache::loncommon::plainname($cnum,$cdom);
                    383:     }
1.43      raeburn   384:     return ($cdom,$cnum,$name);
                    385: }
                    386: 
                    387: sub print_portfiles_link {
1.55      raeburn   388:     my ($r,$is_course) = @_;
                    389:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.64      raeburn   390:     my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
                    391:                                       $cdom,$cnum,$name);
1.47      albertel  392:     my $query_string = &build_query_string();
1.43      raeburn   393:     my $output;
1.55      raeburn   394:     my %lt = &Apache::lonlocal::texthash(
                    395:                          vpfi => 'Viewable portfolio files',
                    396:                          vgpf => 'Viewable group portfolio files',
                    397:                          difl => 'Display file listing',
                    398:              );                     
1.43      raeburn   399:     if ($filecounts->{'both'} > 0) {
1.76    ! harmsja   400: 	$output = '<div class="ContentBoxSpecial"><h4 class="hcell">';
        !           401: 	$output .= ($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
1.71      amueller  402:         
1.76    ! harmsja   403: 	#$output = '<h4>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
1.47      albertel  404:         $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
1.55      raeburn   405:                    $query_string.'">'.$lt{'difl'}.
1.43      raeburn   406:                    '</a><br /><br />';
1.53      raeburn   407:         if ($filecounts->{'both'} == 1) {
1.55      raeburn   408:             if ($is_course) {
                    409:                 $output .= &mt('One group portfolio file is available.').'<ul>';
                    410:             } else {
1.56      albertel  411:                 $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
1.55      raeburn   412:             }
1.53      raeburn   413:         } else {
1.55      raeburn   414:             if ($is_course) {
1.56      albertel  415:                 $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
1.55      raeburn   416:             } else {
                    417:                 $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
                    418:             }
1.53      raeburn   419:         }
1.43      raeburn   420:         if ($filecounts->{'withoutpass'}) {
1.54      albertel  421: 	    $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
1.43      raeburn   422:         }
                    423:         if ($filecounts->{'withpass'}) {
1.54      albertel  424: 	    $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
1.43      raeburn   425:         }
                    426:         $output .= '</ul>';
1.76    ! harmsja   427: 	$output .='</p>';
1.43      raeburn   428:     }
                    429:     $r->print($output);
                    430:     return;
                    431: }
                    432: 
                    433: sub build_query_string {
                    434:     my ($new_items) = @_;
                    435:     my $query_string;
                    436:     my @formelements = ('register'); 
1.47      albertel  437:     my $new = 0;
1.43      raeburn   438:     if (ref($new_items) eq 'HASH') {
1.47      albertel  439:         $new = 1;
1.43      raeburn   440:         if (!defined($new_items->{'forceedit'}) && 
                    441:             !defined($new_items->{'forcestudent'})) {
                    442:             push(@formelements,('forceedit','forcestudent'));
                    443:         }
                    444:     } else {
                    445:         push(@formelements,('forceedit','forcestudent'));
                    446:     }
                    447:     foreach my $element (@formelements) {
                    448:         if (exists($env{'form.'.$element})) {
1.47      albertel  449:             if ((!$new) || (!defined($new_items->{$element}))) {
1.43      raeburn   450:                 $query_string .= '&amp;'.$element.'='.$env{'form.'.$element};
                    451:             }
                    452:         }
                    453:     }
1.47      albertel  454:     if ($new) {
1.43      raeburn   455:         foreach my $key (keys(%{$new_items})) {
                    456:             $query_string .= '&amp;'.$key.'='.$new_items->{$key};
                    457:         }
                    458:     }
                    459:     $query_string =~ s/^\&amp;/\?/;
                    460:     return $query_string;
                    461: }
                    462: 
                    463: sub display_portfolio_header {
1.55      raeburn   464:     my ($r,$is_course) = @_;
                    465:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.43      raeburn   466:     my $query_string = &build_query_string();
                    467:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                    468:     my $forcestudent='';
                    469:     if ($env{'form.forcestudent'}) { $forcestudent='student'; };
1.55      raeburn   470: 
                    471:     my $output;
                    472:     if ($is_course) {
                    473:         $output = 
                    474:             &Apache::loncommon::start_page('Viewable group portfolio files',undef,
                    475:                                             {'function' => $forcestudent,
                    476:                                              'domain'   => $cdom,});
                    477:         $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
                    478:     } else {
                    479:         $output  =
                    480:             &Apache::loncommon::start_page('Viewable portfolio files',undef,
                    481:                                             {'function' => $forcestudent,
1.43      raeburn   482:                                              'domain'   => $cdom,});
1.55      raeburn   483:         if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
                    484:             &Apache::lonhtmlcommon::add_breadcrumb
                    485:                 ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
                    486:                   text=>"Personal information - $name",
                    487:                   title=>"Go to personal information page for $name"},                 {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
                    488:                   text=>"Viewable files - $name",
                    489:                   title=>"Viewable portfolio files for $name"}
                    490:             );
                    491:             $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
                    492:         }
                    493:         $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
1.53      raeburn   494:     }
1.43      raeburn   495:     $r->print($output);
                    496:     return;
                    497: }
                    498: 
                    499: sub display_portfolio_files {
1.55      raeburn   500:     my ($r,$is_course) = @_;
                    501:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.47      albertel  502:     my %lt = ( withoutpass => 'passphrase not required',
                    503: 	       withpass    => 'passphrase protected',
                    504: 	       both        => 'all access types ',);
                    505:     %lt = &Apache::lonlocal::texthash(%lt);
                    506: 
1.43      raeburn   507:     my $portaccess = 'withoutpass';
                    508:     if (exists($env{'form.portaccess'})) {
                    509:         $portaccess = $env{'form.portaccess'};
                    510:     }
1.47      albertel  511: 
1.45      albertel  512:     my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
                    513: 	.'" name="displaystatus" method="post">'.
                    514: 	&mt('File access type: ').'<select name="portaccess">';
1.43      raeburn   515:     foreach my $type ('withoutpass','withpass','both') {
                    516:         $output .= '<option value="'.$type.'" ';
                    517:         if ($portaccess eq $type) {
                    518:             $output .= 'selected="selected"';
                    519:         }
1.53      raeburn   520:         $output .= '>'.$lt{$type}.'</option>';
1.43      raeburn   521:     }
                    522:     $output .= '</select>'."\n".
                    523:                '<input type="submit" name="portaccessbutton" value="'.
1.47      albertel  524:                &mt('Update display').'" />';
1.43      raeburn   525:     $output .= '</form><br /><br />';
                    526:     $r->print($output);
1.64      raeburn   527:     my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
                    528:                                       $cdom,$cnum,$name);
1.53      raeburn   529:     if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
                    530:         my $query_string = &build_query_string();
                    531:         $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
1.55      raeburn   532:                   '/aboutme'.$query_string.'">');
                    533:         if ($is_course) {
                    534:             $r->print(&mt('Course Information page'));
                    535:         } else {
                    536:             $r->print(&mt('Information about [_1]',$name));
                    537:         }
                    538:         $r->print('</a>');
1.53      raeburn   539:     }
1.43      raeburn   540:     return;
                    541: }
                    542: 
                    543: sub portfolio_files {
1.64      raeburn   544:     my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
1.43      raeburn   545:     my $filecounts = {
                    546:                        withpass    => 0,
                    547:                        withoutpass => 0,
                    548:                        both        => 0,
                    549:                      };
                    550:     my $current_permissions =
1.44      albertel  551: 	&Apache::lonnet::get_portfile_permissions($cdom,$cnum);
1.43      raeburn   552:     my %access_controls = 
1.44      albertel  553: 	&Apache::lonnet::get_access_controls($current_permissions);
1.43      raeburn   554:     my $portaccess;
                    555:     if ($mode eq 'showlink') {
                    556:         $portaccess = 'both';
                    557:     } else {
                    558:         $portaccess = 'withoutpass';
                    559:         if (exists($env{'form.portaccess'})) {
                    560:             $portaccess = $env{'form.portaccess'};
                    561:         }
                    562:     }
                    563: 
1.55      raeburn   564:     my $diroutput;
                    565:     if ($is_course) {
                    566:         my %files_by_group;
                    567:         foreach my $filename (sort(keys(%access_controls))) {
                    568:             my ($group,$path) = split('/',$filename,2);
                    569:             $files_by_group{$group}{$path} = $access_controls{$filename}; 
                    570:         }
                    571:         foreach my $group (sort(keys(%files_by_group))) {
                    572:             my %fileshash;
                    573:             my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
                    574:                                            $is_course,$filecounts,$mode,
                    575:                                            $files_by_group{$group},
                    576:                                            \%fileshash,$group);
                    577:             if ($grpout) {
                    578:                 $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
                    579:             }
                    580:         }
                    581:     } else {
                    582:         my %allfileshash;
                    583:         $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
                    584:                                       $filecounts,$mode,\%access_controls,
                    585:                                       \%allfileshash);
                    586:     }
                    587:     if ($mode eq 'listfiles') {
                    588:         if ($filecounts->{'both'}) {
                    589:              $r->print($diroutput);
                    590:         } else {
                    591:             my $access_text;
                    592:             if (ref($lt) eq 'HASH') {
                    593:                 $access_text = $lt->{$portaccess};   
                    594:             }
                    595:             $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
                    596:         }
                    597:     }
                    598:     return $filecounts;
                    599: }
                    600: 
                    601: { 
                    602:     my $count=0;
                    603:     sub portfolio_table_start {
                    604: 	$count=0;
                    605: 	return '<table class="LC_aboutme_port">';
                    606:     }
                    607:     sub portfolio_row_start {
                    608: 	$count++;
                    609: 	my $class = ($count%2)?'LC_odd_row'
                    610: 	                      :'LC_even_row';
                    611: 	return '<tr class="'.$class.'">';
                    612:     }
                    613: }
                    614: 
                    615: sub build_hierarchy {
                    616:     my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
                    617:         $allfileshash,$group) = @_;
                    618:     foreach my $filename (sort(keys(%{$access_info}))) {
                    619:         my $access_status =
                    620:            &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group,                                                 $$access_info{$filename});
1.43      raeburn   621:         if ($portaccess eq 'both') {
                    622:             if (($access_status ne 'ok') &&
                    623:                 ($access_status !~  /^[^:]+:guest_/)) {
                    624:                 next;
                    625:             }
                    626:         } elsif ($portaccess eq 'withoutpass') {
                    627:             if ($access_status ne 'ok') {
                    628:                 next;
                    629:             }
                    630:         } elsif ($portaccess eq 'withpass') {
                    631:             if ($access_status !~  /^[^:]+:guest_/) {
                    632:                 next;
                    633:             }
                    634:         }
                    635:         if ($mode eq 'listfiles') {
                    636:             $filename =~ s/^\///;
                    637:             my @pathitems = split('/',$filename);
1.55      raeburn   638:             my $lasthash = $allfileshash;
1.43      raeburn   639:             while (@pathitems > 1) {
                    640:                 my $newlevel = shift(@pathitems);
                    641:                 if (!exists($lasthash->{$newlevel})) {
                    642:                     $lasthash->{$newlevel} = {};
                    643:                 }
                    644:                 $lasthash = $lasthash->{$newlevel};
                    645:             }
                    646:             $lasthash->{$pathitems[0]} = $filename;
                    647:         }
                    648:         if ($access_status eq 'ok') {
                    649:             $filecounts->{'withoutpass'} ++;
                    650:         } elsif ($access_status =~  /^[^:]+:guest_/) {
                    651:             $filecounts->{'withpass'} ++;
                    652:         }
                    653:     }
                    654:     $filecounts->{'both'} =  $filecounts->{'withoutpass'} +
                    655:                               $filecounts->{'withpass'};
1.55      raeburn   656:     my $output;
1.43      raeburn   657:     if ($mode eq 'listfiles') {
1.55      raeburn   658:         if ($filecounts->{'both'} > 0) {
1.45      albertel  659:             $output = &portfolio_table_start();
1.55      raeburn   660:             $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
                    661:                                         $group);
1.43      raeburn   662:             $output .= '</table>';
                    663:         }
1.45      albertel  664:     }
1.55      raeburn   665:     return $output;
1.45      albertel  666: }
                    667: 
1.43      raeburn   668: sub parse_directory {
1.55      raeburn   669:     my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
                    670:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.45      albertel  671:     $depth++;
                    672:     my $output;
1.49      albertel  673: 
1.55      raeburn   674:     my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
                    675:                                                                 $group);
1.70      raeburn   676:     my $getpropath = 1;
1.49      albertel  677:     my %dirlist = map {
                    678: 	    ((split('&',$_,2))[0],1)
1.70      raeburn   679: 	} &Apache::lonnet::dirlist($portfolio_root.$path,$cdom,$cnum,$getpropath);
1.43      raeburn   680:     foreach my $item (sort(keys(%{$currhash}))) {
1.45      albertel  681:         $output .= &portfolio_row_start();
                    682:         $output .= '<td style="padding-left: '.($depth*25).'px">';
1.43      raeburn   683:         if (ref($currhash->{$item}) eq 'HASH') {
1.45      albertel  684:             my $title=&HTML::Entities::encode($item,'<>&"');
                    685:             $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" />&nbsp;'.$title;
1.47      albertel  686: 	    $output .= '</td><td></td></tr>';
1.49      albertel  687:             $output .= &parse_directory($r,$depth,$currhash->{$item},
1.55      raeburn   688: 					$path.'/'.$item,$is_course,$group);
1.43      raeburn   689:         } else {
1.50      albertel  690: 	    my $file_name; 
                    691: 	    if ($currhash->{$item} =~ m|/([^/]+)$|) {
                    692: 		$file_name = $1;
                    693: 	    } else {
                    694: 		$file_name = $currhash->{$item};
                    695: 	    }
                    696: 	    my $have_meta = exists($dirlist{$file_name.'.meta'});
1.55      raeburn   697:             my $url;
                    698:             if ($is_course) {
                    699:                 $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
                    700:                        '/portfolio/'.$currhash->{$item};
                    701:             } else { 
                    702: 	        $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
                    703: 		       $currhash->{$item};
                    704:             }
1.43      raeburn   705:             my $showname;
1.50      albertel  706: 	    if ($have_meta) {
                    707: 		$showname = &Apache::lonnet::metadata($url,'title');
                    708: 	    }
                    709: 	    if ($showname eq '') {
                    710: 		$showname = $file_name;
                    711: 	    } else {
                    712: 		$showname = $file_name.' ('.$showname.')';
                    713: 	    }
                    714: 
1.45      albertel  715:             $showname=&HTML::Entities::encode($showname,'<>&"');
1.49      albertel  716:             $output .= '<a href="'.$url.'">'.
                    717: 		'<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
                    718: 		'&nbsp;'.$showname.'</a>';
                    719: 	    $output.='</td><td>';
1.50      albertel  720: 	    if ($have_meta) {
1.49      albertel  721: 		$output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Catalog Information').'" src="'.
1.47      albertel  722: 		&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
1.49      albertel  723: 		'" class="LC_icon" /></a>';
                    724: 	    }
1.45      albertel  725: 	    $output .= '</td></tr>';
1.43      raeburn   726:         }
                    727:     }
1.45      albertel  728:     return $output;
1.43      raeburn   729: }
1.1       www       730: 
                    731: 1;
                    732: __END__

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