Annotation of loncom/interface/lonaboutme.pm, revision 1.97

1.1       www         1: # The LearningOnline Network
1.97    ! weissno     2: # Personal Information Page
1.1       www         3: #
1.97    ! weissno     4: # $Id: lonaboutme.pm,v 1.97 2009/02/19 11:31:54 weissno 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();
1.91      neumanie   89: use Image::Magick;
1.1       www        90: 
                     91: sub handler {
                     92:     my $r = shift;
1.17      www        93:     &Apache::loncommon::content_type($r,'text/html');
1.1       www        94:     $r->send_http_header;
                     95:     return OK if $r->header_only;
1.37      albertel   96:     my $target=$env{'form.grade_target'};
1.1       www        97: # ------------------------------------------------------------ Print the screen
1.40      albertel   98:     if ($target eq 'tex') {
1.37      albertel   99: 	$r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
1.22      sakharuk  100:     }
1.47      albertel  101:     my (undef,undef,$cdom,$cnum,undef,$action)=split(/\//,$r->uri);
1.55      raeburn   102:     my $is_course;
1.2       www       103: # Is this even a user?
                    104:     if (&Apache::lonnet::homeserver($cnum,$cdom) eq 'no_host') {
1.40      albertel  105: 	&Apache::loncommon::simple_error_page($r,'No info',
                    106: 					      'No user information available');
1.2       www       107:         return OK;
1.55      raeburn   108:     } else {
1.59      raeburn   109:         $is_course = &Apache::lonnet::is_course($cdom,$cnum);
1.2       www       110:     }
1.55      raeburn   111: 
1.77      raeburn   112:     my $candisplay = 1;
                    113:     if (!$is_course) {
1.80      raeburn   114:         if ($action ne 'portfolio') {
                    115:             $candisplay = &Apache::lonnet::usertools_access($cnum,$cdom,'aboutme');
                    116:             if ((!$candisplay) && ($env{'request.course.id'})) {
                    117:                 $candisplay = &aboutme_access($cnum,$cdom);
                    118:             }
                    119:             if (!$candisplay) {
                    120:                 if ($target eq 'tex') {
                    121:                     $r->print('\noindent{\large\textbf{'.&mt('No user home page available').'}}\\\\\\\\');
                    122:                 } else {
1.97    ! weissno   123:                     $r->print(&Apache::loncommon::start_page("Personal Information Page"));
1.80      raeburn   124:                     $r->print('<h2>'.&mt('No user home page available') .'</h2>'.
                    125:                               &mt('This is a result of one of the following:').'<ul>'.
                    126:                               '<li>'.&mt('The administrator of this domain has disabled home page functionality for this specific user.').'</li>'.
                    127:                               '<li>'.&mt('The domain has been configured to disable, by default, home page functionality for all users in the domain.').'</li>'.
                    128:                               '</ul>');
                    129:                     $r->print(&Apache::loncommon::end_page());
                    130:                 }
                    131:                 return OK;
1.77      raeburn   132:             }
                    133:         }
                    134:     }
                    135: 
1.2       www       136: # --------------------------------------------------------- The syllabus fields
1.17      www       137:     my %syllabusfields=&Apache::lonlocal::texthash(
1.3       www       138:        'aaa_contactinfo'   => 'Contact Information',
1.97    ! weissno   139:        'bbb_aboutme'       => 'Personal Information Page',
1.3       www       140:        'ccc_webreferences' => 'Web References');
1.2       www       141: 
1.13      www       142: # ------------------------------------------------------------ Get Query String
1.47      albertel  143:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                    144: 					    ['forceedit','forcestudent',
1.69      raeburn   145: 					     'register','popup']);
1.43      raeburn   146: 
                    147: # ----------------------------------------------- Available Portfolio file display 
1.47      albertel  148:     if (($target ne 'tex') && ($action eq 'portfolio')) {
1.55      raeburn   149:         &display_portfolio_header($r,$is_course);
1.80      raeburn   150:         if ((!$is_course) && (!&Apache::lonnet::usertools_access($cnum,$cdom,'portfolio'))) {
                    151:             $r->print('<h2>'.&mt('No user portfolio available') .'</h2>'.
                    152:                       &mt('This is a result of one of the following:').'<ul>'.
                    153:                       '<li>'.&mt('The administrator of this domain has disabled portfolio functionality for this specific user.').'</li>'.
                    154:                       '<li>'.&mt('The domain has been configured to disable, by default, portfolio functionality for all users in the domain.').'</li>'.
                    155:                       '</ul>');
1.60      raeburn   156:         } else {
1.80      raeburn   157:             my ($blocked,$blocktext) = 
                    158:                 &Apache::loncommon::blocking_status('port',$cnum,$cdom);
                    159:             if (!$blocked) {
                    160:                 &display_portfolio_files($r,$is_course);
                    161:             } else {
                    162:                 $r->print($blocktext);
                    163:             }
1.60      raeburn   164:         }
1.43      raeburn   165:         $r->print(&Apache::loncommon::end_page());
                    166:         return OK;
                    167:     }
                    168: 
1.55      raeburn   169:     if ($is_course) {
                    170:         if ($target ne 'tex') {
1.85      raeburn   171: 	    my $brcrum = [{href=>"/adm/navmaps",text=>"Navigate Course Contents"},
                    172: 			  {href=>"/adm/aboutme",text=>"Course Information"}];
1.55      raeburn   173:             my $start_page =
                    174:                 &Apache::loncommon::start_page(
                    175:                     "Course Information",
                    176:                      undef,
                    177:                      {'function' => $env{'forcestudent'},
                    178:                       'domain'   => $cdom,
1.82      kaisler   179:                       'force_register' => $env{'forceregister'},
1.85      raeburn   180:                       'bread_crumbs' => $brcrum});
1.55      raeburn   181:             $r->print($start_page);
                    182:             $r->print('<h2>'.&mt('Group files').'</h2>');
                    183:             &print_portfiles_link($r,$is_course);
                    184:             $r->print(&Apache::loncommon::end_page());
                    185:         }
                    186:         return OK;
                    187:     }
                    188: 
1.2       www       189: # --------------------------------------------------------------- Force Student
                    190:     my $forcestudent='';
1.37      albertel  191:     if ($env{'form.forcestudent'}) { $forcestudent='student'; };
1.43      raeburn   192: 
                    193:     my $forceregister = '';
                    194:     if ($forcestudent eq '') {
                    195:         $forceregister = $env{'form.register'};
                    196:     }
1.2       www       197:        
                    198: # --------------------------------------- There is such a user, get environment
                    199:     my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
1.22      sakharuk  200:     if ($target ne 'tex') {
1.65      albertel  201: 	my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
1.69      raeburn   202:         my $args = {'function' => $forcestudent,
                    203:                     'domain'   => $cdom,
                    204:                     'force_register' => $forceregister};
                    205:         if ($env{'form.popup'}) {
                    206:             $args->{'no_nav_bar'} = 1;
                    207:         }
1.97    ! weissno   208: 	$args->{'bread_crumbs'} = [{href=>"/adm/fhwfdev/$cnum/aboutme",text=>"Personal Information Ppage"}];
1.40      albertel  209: 	my $start_page = 
1.97    ! weissno   210: 	    &Apache::loncommon::start_page("Personal Information Page",$rss_link,$args);
1.40      albertel  211: 	$r->print($start_page);
1.95      schualex  212:         $r->print('<div class="LC_ContentBoxSpecial">');
                    213: 	$r->print('<h2 class="LC_hcell">'.&Apache::loncommon::plainname($cnum,$cdom).'</h2>');
1.22      sakharuk  214:     } else {
                    215: 	$r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
                    216:     }
1.6       www       217:     if ($courseenv{'nickname'}) {
                    218:        $r->print(
1.7       albertel  219:          '<h2>&quot;'.$courseenv{'nickname'}.
1.6       www       220:          '&quot;</h2>');
                    221:     }
1.22      sakharuk  222:     if ($target ne 'tex') {
1.95      schualex  223:         $r->print('<blockquote>');
1.71      amueller  224: 	$r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');#OLD SendMessage POS
1.22      sakharuk  225:     } else {
1.61      albertel  226: 	$r->print('\textbf{'.&Apache::lonnet::domain($cdom,'description').'}\\\\');
1.22      sakharuk  227:     }
1.2       www       228:     my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
                    229:     my $allowed=0;
                    230: 
1.1       www       231: # does this user have privileges to post, etc?
1.2       www       232: 
1.37      albertel  233:        my $privleged=$allowed=(($env{'user.name'} eq $cnum) && 
                    234: 			       ($env{'user.domain'} eq $cdom));
1.23      sakharuk  235:        if ($forcestudent or $target eq 'tex') { $allowed=0; }
1.87      ehlerst   236: 	my $query_string; 
1.2       www       237:        if ($allowed) {
1.87      ehlerst   238:            $query_string = &build_query_string({'forcestudent' => '1','popup' => $env{'form.popup'}});
1.32      albertel  239: 	   $r->print('<p><b>'.&mt('Privacy Note').':</b> '.
                    240: 		     &mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.').
1.87      ehlerst   241: 		     '</p><p><a href="'.$r->uri.$query_string.'">'.&mt('Show Public View').'</a>'.
                    242:                      &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>'.
                    243: 		     &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')).'</p>');
1.32      albertel  244:        } elsif ($privleged && $target ne 'tex') {
1.87      ehlerst   245:            $query_string = &build_query_string({'forceedit' => '1','popup' => $env{'form.popup'}});
1.76      harmsja   246: 	   $r->print('<p><a href="'.$r->uri.$query_string.'">'.
                    247: 		     &mt('Edit').'</a></p>');
1.32      albertel  248:        }
1.37      albertel  249:       if (($env{'form.uploaddoc.filename'}) &&
                    250:           ($env{'form.storeupl'}) && ($allowed)) {
                    251:  	  if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.24      albertel  252: 	      if ($syllabus{'uploaded.photourl'}) {
                    253: 		  &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
                    254: 	      }
                    255: 	      $syllabus{'uploaded.photourl'}=
1.79      amueller  256:                  &Apache::lonnet::userphotoupload('uploaddoc','aboutme');
1.3       www       257:  	  }
                    258:           $syllabus{'uploaded.lastmodified'}=time;
                    259:           &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
                    260:        }
1.37      albertel  261:     if ($allowed && $env{'form.delupl'}) {
1.32      albertel  262: 	if ($syllabus{'uploaded.photourl'}) {
                    263: 	    &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
                    264: 	    delete($syllabus{'uploaded.photourl'});
                    265: 	    &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
                    266: 	}
                    267:     }
1.37      albertel  268:        if (($allowed) && ($env{'form.storesyl'})) {
1.57      albertel  269: 	   foreach my $syl_field (keys(%syllabusfields)) {
                    270:                my $field=$env{'form.'.$syl_field};
1.2       www       271:                $field=~s/\s+$//s;
1.11      www       272:                $field=&Apache::lonfeedback::clear_out_html($field,
1.37      albertel  273:                                                            $env{'user.adv'});
1.57      albertel  274: 	       $syllabus{$syl_field}=$field;
1.2       www       275:            }
                    276:            $syllabus{'uploaded.lastmodified'}=time;
                    277:            &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
                    278:        }
                    279: 
1.71      amueller  280: my $lastmod;
                    281: my $image; 
1.2       www       282: # ---------------------------------------------------------------- Get syllabus
                    283:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.71      amueller  284:        $lastmod=$syllabus{'uploaded.lastmodified'};
1.18      www       285:        $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
1.93      neumanie  286:  	$r->print('<br />'.&mt('Last updated').': '.$lastmod);
1.3       www       287:        if ($syllabus{'uploaded.photourl'}) {
1.24      albertel  288: 	   &Apache::lonnet::allowuploaded('/adm/aboutme',
                    289: 					  $syllabus{'uploaded.photourl'});
1.91      neumanie  290: 	
1.97    ! weissno   291:            #This call is to resize all "Personal Information" images in the LonCapa System. When its done, you can remove this line.
1.91      neumanie  292: 	   &Apache::lonnet::resizeImage(&Apache::lonnet::filelocation('',$syllabus{'uploaded.photourl'}));
1.93      neumanie  293: 	   #---End Resize---
1.91      neumanie  294: 
1.94      neumanie  295: 	   $image=qq{<img name="userPhoto" src="$syllabus{'uploaded.photourl'} " class="LC_AboutMe_Image" />};
1.91      neumanie  296: 	   
1.27      albertel  297: 	   if ($target eq 'tex') {
                    298: 	       $image=&Apache::lonxml::xmlparse($r,'tex',$image);
1.26      sakharuk  299: 	   }
1.93      neumanie  300: 	
1.3       www       301:        }
1.23      sakharuk  302:        if ($allowed) {
1.3       www       303:            $r->print(
                    304: 	 '<form method="post" enctype="multipart/form-data">'.
1.18      www       305:          '<h3>'.&mt('Upload a Photo').'</h3>'.
1.68      raeburn   306:          '<input type="file" name="uploaddoc" size="50" />'.
                    307:          '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
1.69      raeburn   308:          '<input type="hidden" name="popup" value="'.$env{'form.popup'}.'" />'.
1.93      neumanie  309: 	 '</form><form method="post"><input type="submit" name="delupl" value="'.&mt('Delete Photo').'" /> </form><p>
1.83      schualex  310: ');
1.32      albertel  311: 
1.2       www       312:        }
1.86      schualex  313: 
                    314: 	if($allowed) {
                    315: 		$r->print('<form method="post">');
                    316: 	}
                    317: 
1.93      neumanie  318: 	 if($target ne 'tex') #print Image
                    319:      	 {	
                    320: 		&Apache::lontemplate::start_ContentBox($r);		
1.81      ehlerst   321: 		&Apache::lontemplate::send_message($r,$cnum,$cdom);
                    322: 		&Apache::lontemplate::end_ContentBox($r);
1.93      neumanie  323: 		$r->print($image);		
                    324: 		
                    325: 	}#End Print Image
                    326: 
                    327: 	#Print Content eg. Contactinfo aboutme,...	
                    328: 	&Apache::lontemplate::print_aboutme_content_template($r,$allowed,$target,\%syllabusfields,\%syllabus);	
                    329:         #End Print Content
                    330: 
                    331:        if($target ne 'tex')#Begin Print RSS and portfiles
                    332:        {	
                    333: 				
1.81      ehlerst   334: 		&print_portfiles_link($r,$is_course);
                    335: 		if(&Apache::lonrss::advertisefeeds($cnum,$cdom) ne ''){
1.89      harmsja   336: 			$r->print('<div class="LC_ContentBoxSpecial">');
                    337: 			$r->print('<h4 class="LC_hcell">'.'RSS Feeds and Blogs'.'</h4>');
1.81      ehlerst   338: 			$r->print(&Apache::lonrss::advertisefeeds($cnum,$cdom));
                    339: 			$r->print('</div>');
1.93      neumanie  340: 		}		
                    341: 		
1.87      ehlerst   342: 		if($allowed){
                    343: 			$r->print('<p><a href="'.$r->uri.$query_string.'">'.&mt('Show Public View').'</a>'.
                    344:                         	&Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
                    345: 		}
1.93      neumanie  346:        }#End  Print RSS and portfiles
1.95      schualex  347: 
                    348:        $r->print('</blockquote>');
                    349:        $r->print('</div>');
1.23      sakharuk  350:        if ($allowed) {
1.69      raeburn   351:            if ($env{'form.popup'}) {
                    352:                $r->print('<input type="hidden" name="popup" value="'.
                    353:                          $env{'form.popup'}.'" />');
                    354:            }
1.2       www       355: 	   $r->print('</form>');
                    356:        }
1.46      albertel  357:        if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
1.2       www       358:     } else {
1.88      ehlerst   359: 	 &Apache::lontemplate::send_message($r,$cnum,$cdom);
1.17      www       360:        $r->print('<p>'.&mt('No personal information provided').'.</p>');
1.8       www       361:     }
1.93      neumanie  362:     
1.43      raeburn   363: 
1.63      albertel  364:     if ($env{'request.course.id'}
                    365: 	&& &Apache::lonnet::allowed('srm',$env{'request.course.id'})
                    366: 	&& &in_course($cdom,$cnum)) {
                    367: 	if ($target ne 'tex') {
                    368: 	    $r->print('<a name="coursecomment" />');
                    369: 	    $r->print('<hr /><h3>'.
                    370: 		      &mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'</h3>'.
                    371: 		      &mt('Shared by course faculty and staff').
                    372: 		      &Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message").
                    373: 		      '<br />');
                    374: 	    &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
                    375: 	    $r->print('<hr />');
                    376: 	    if (&Apache::lonnet::allowed('vsa',
                    377: 					 $env{'request.course.id'}) ||
                    378: 		&Apache::lonnet::allowed('vsa',
                    379: 					 $env{'request.course.id'}.'/'.
                    380: 					 $env{'request.course.sec'})) {
                    381: 		$r->print(&Apache::loncommon::track_student_link
                    382: 			  ('View recent activity by this student',
                    383: 			   $cnum,$cdom).('&nbsp;'x2));
1.22      sakharuk  384: 	    }
1.90      bisitz    385: 	    $r->print(&Apache::loncommon::noteswrapper(&mt('Add Records'),$cnum,$cdom));
1.63      albertel  386: 	} else {
                    387: 	    $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
                    388: 	    &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
                    389: 	}
1.1       www       390:     }
1.40      albertel  391:     if ($target ne 'tex') {
1.69      raeburn   392:         if ($env{'form.popup'}) {
                    393:             $r->print('<p><a href="javascript:window.close()">'.&mt('Close window').'</a>');
                    394:         }
1.40      albertel  395: 	$r->print(&Apache::loncommon::end_page());
                    396:     } else {
                    397: 	$r->print('\end{document}');
                    398:     }
1.71      amueller  399: 
                    400:   
                    401: 	
1.1       www       402:     return OK;
1.43      raeburn   403: }
                    404: 
1.63      albertel  405: sub in_course {
                    406:     my ($udom,$uname,$cdom,$cnum,$type) = @_;
                    407:     $type ||= 'any';
                    408:     if (!defined($cdom) || !defined($cnum)) {
                    409: 	my $cid  = $env{'request.course.id'};
                    410: 	$cdom = $env{'course.'.$cid.'.domain'};
                    411: 	$cnum = $env{'course.'.$cid.'.num'};
                    412:     }
                    413:     my %roles = &Apache::lonnet::dump('roles',$udom,$uname);
                    414:     my @course_roles = grep(m{^/\Q$cdom\E/\Q$cnum\E[/_]}, keys(%roles));
                    415:     return 0 if (!@course_roles);
                    416:     return 1 if ($type eq 'any');
                    417:     my $now = time();
                    418:     foreach my $role (@course_roles) {
                    419: 	my (undef,$role_end,$role_start)=split(/\_/,$roles{$role});
                    420: 	my $status = 'active';
                    421: 	if ($role_start > 0 && $now < $role_start) {
                    422: 	    $status = 'future';
                    423: 	}
                    424: 	if ($role_end > 0 && $now > $role_end) {
                    425: 	    $status = 'previous';
                    426: 	}
                    427: 	return 1 if ($status eq $type);
                    428:     }
                    429:     return 0;
                    430: }
                    431: 
1.43      raeburn   432: sub aboutme_info {
1.55      raeburn   433:     my ($r,$is_course) = @_;
1.43      raeburn   434:     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
1.55      raeburn   435:     my $name;
                    436:     if (!$is_course) {
                    437:         $name = &Apache::loncommon::plainname($cnum,$cdom);
                    438:     }
1.43      raeburn   439:     return ($cdom,$cnum,$name);
                    440: }
                    441: 
                    442: sub print_portfiles_link {
1.55      raeburn   443:     my ($r,$is_course) = @_;
                    444:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.64      raeburn   445:     my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
                    446:                                       $cdom,$cnum,$name);
1.47      albertel  447:     my $query_string = &build_query_string();
1.43      raeburn   448:     my $output;
1.55      raeburn   449:     my %lt = &Apache::lonlocal::texthash(
                    450:                          vpfi => 'Viewable portfolio files',
                    451:                          vgpf => 'Viewable group portfolio files',
                    452:                          difl => 'Display file listing',
                    453:              );                     
1.43      raeburn   454:     if ($filecounts->{'both'} > 0) {
1.89      harmsja   455: 	$output = '<div class="LC_ContentBoxSpecial"><h4 class="LC_hcell">';
1.76      harmsja   456: 	$output .= ($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
1.71      amueller  457:         
1.76      harmsja   458: 	#$output = '<h4>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
1.47      albertel  459:         $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
1.55      raeburn   460:                    $query_string.'">'.$lt{'difl'}.
1.43      raeburn   461:                    '</a><br /><br />';
1.53      raeburn   462:         if ($filecounts->{'both'} == 1) {
1.55      raeburn   463:             if ($is_course) {
                    464:                 $output .= &mt('One group portfolio file is available.').'<ul>';
                    465:             } else {
1.56      albertel  466:                 $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
1.55      raeburn   467:             }
1.53      raeburn   468:         } else {
1.55      raeburn   469:             if ($is_course) {
1.56      albertel  470:                 $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
1.55      raeburn   471:             } else {
                    472:                 $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
                    473:             }
1.53      raeburn   474:         }
1.43      raeburn   475:         if ($filecounts->{'withoutpass'}) {
1.54      albertel  476: 	    $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
1.43      raeburn   477:         }
                    478:         if ($filecounts->{'withpass'}) {
1.54      albertel  479: 	    $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
1.43      raeburn   480:         }
                    481:         $output .= '</ul>';
1.76      harmsja   482: 	$output .='</p>';
1.81      ehlerst   483: 	$output .='</div>';
1.43      raeburn   484:     }
                    485:     $r->print($output);
                    486:     return;
                    487: }
                    488: 
                    489: sub build_query_string {
                    490:     my ($new_items) = @_;
                    491:     my $query_string;
                    492:     my @formelements = ('register'); 
1.47      albertel  493:     my $new = 0;
1.43      raeburn   494:     if (ref($new_items) eq 'HASH') {
1.47      albertel  495:         $new = 1;
1.43      raeburn   496:         if (!defined($new_items->{'forceedit'}) && 
                    497:             !defined($new_items->{'forcestudent'})) {
                    498:             push(@formelements,('forceedit','forcestudent'));
                    499:         }
                    500:     } else {
                    501:         push(@formelements,('forceedit','forcestudent'));
                    502:     }
                    503:     foreach my $element (@formelements) {
                    504:         if (exists($env{'form.'.$element})) {
1.47      albertel  505:             if ((!$new) || (!defined($new_items->{$element}))) {
1.43      raeburn   506:                 $query_string .= '&amp;'.$element.'='.$env{'form.'.$element};
                    507:             }
                    508:         }
                    509:     }
1.47      albertel  510:     if ($new) {
1.43      raeburn   511:         foreach my $key (keys(%{$new_items})) {
                    512:             $query_string .= '&amp;'.$key.'='.$new_items->{$key};
                    513:         }
                    514:     }
                    515:     $query_string =~ s/^\&amp;/\?/;
                    516:     return $query_string;
                    517: }
                    518: 
                    519: sub display_portfolio_header {
1.55      raeburn   520:     my ($r,$is_course) = @_;
                    521:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.43      raeburn   522:     my $query_string = &build_query_string();
                    523:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                    524:     my $forcestudent='';
                    525:     if ($env{'form.forcestudent'}) { $forcestudent='student'; };
1.55      raeburn   526: 
                    527:     my $output;
                    528:     if ($is_course) {
                    529:         $output = 
                    530:             &Apache::loncommon::start_page('Viewable group portfolio files',undef,
                    531:                                             {'function' => $forcestudent,
                    532:                                              'domain'   => $cdom,});
                    533:         $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
                    534:     } else {
                    535:         $output  =
                    536:             &Apache::loncommon::start_page('Viewable portfolio files',undef,
                    537:                                             {'function' => $forcestudent,
1.43      raeburn   538:                                              'domain'   => $cdom,});
1.55      raeburn   539:         if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
                    540:             &Apache::lonhtmlcommon::add_breadcrumb
                    541:                 ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
1.97    ! weissno   542:                   text=>"Personal Information Page - $name",
        !           543:                   title=>"Go to personal information page for $name"},                 {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
1.55      raeburn   544:                   text=>"Viewable files - $name",
                    545:                   title=>"Viewable portfolio files for $name"}
                    546:             );
                    547:             $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
                    548:         }
                    549:         $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
1.53      raeburn   550:     }
1.43      raeburn   551:     $r->print($output);
                    552:     return;
                    553: }
                    554: 
                    555: sub display_portfolio_files {
1.55      raeburn   556:     my ($r,$is_course) = @_;
                    557:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.47      albertel  558:     my %lt = ( withoutpass => 'passphrase not required',
                    559: 	       withpass    => 'passphrase protected',
                    560: 	       both        => 'all access types ',);
                    561:     %lt = &Apache::lonlocal::texthash(%lt);
                    562: 
1.43      raeburn   563:     my $portaccess = 'withoutpass';
                    564:     if (exists($env{'form.portaccess'})) {
                    565:         $portaccess = $env{'form.portaccess'};
                    566:     }
1.47      albertel  567: 
1.45      albertel  568:     my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
                    569: 	.'" name="displaystatus" method="post">'.
                    570: 	&mt('File access type: ').'<select name="portaccess">';
1.43      raeburn   571:     foreach my $type ('withoutpass','withpass','both') {
                    572:         $output .= '<option value="'.$type.'" ';
                    573:         if ($portaccess eq $type) {
                    574:             $output .= 'selected="selected"';
                    575:         }
1.53      raeburn   576:         $output .= '>'.$lt{$type}.'</option>';
1.43      raeburn   577:     }
                    578:     $output .= '</select>'."\n".
                    579:                '<input type="submit" name="portaccessbutton" value="'.
1.47      albertel  580:                &mt('Update display').'" />';
1.43      raeburn   581:     $output .= '</form><br /><br />';
                    582:     $r->print($output);
1.64      raeburn   583:     my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
                    584:                                       $cdom,$cnum,$name);
1.53      raeburn   585:     if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
                    586:         my $query_string = &build_query_string();
                    587:         $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
1.55      raeburn   588:                   '/aboutme'.$query_string.'">');
                    589:         if ($is_course) {
                    590:             $r->print(&mt('Course Information page'));
                    591:         } else {
                    592:             $r->print(&mt('Information about [_1]',$name));
                    593:         }
                    594:         $r->print('</a>');
1.53      raeburn   595:     }
1.43      raeburn   596:     return;
                    597: }
                    598: 
                    599: sub portfolio_files {
1.64      raeburn   600:     my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
1.43      raeburn   601:     my $filecounts = {
                    602:                        withpass    => 0,
                    603:                        withoutpass => 0,
                    604:                        both        => 0,
                    605:                      };
                    606:     my $current_permissions =
1.44      albertel  607: 	&Apache::lonnet::get_portfile_permissions($cdom,$cnum);
1.43      raeburn   608:     my %access_controls = 
1.44      albertel  609: 	&Apache::lonnet::get_access_controls($current_permissions);
1.43      raeburn   610:     my $portaccess;
                    611:     if ($mode eq 'showlink') {
                    612:         $portaccess = 'both';
                    613:     } else {
                    614:         $portaccess = 'withoutpass';
                    615:         if (exists($env{'form.portaccess'})) {
                    616:             $portaccess = $env{'form.portaccess'};
                    617:         }
                    618:     }
                    619: 
1.55      raeburn   620:     my $diroutput;
                    621:     if ($is_course) {
                    622:         my %files_by_group;
                    623:         foreach my $filename (sort(keys(%access_controls))) {
                    624:             my ($group,$path) = split('/',$filename,2);
                    625:             $files_by_group{$group}{$path} = $access_controls{$filename}; 
                    626:         }
                    627:         foreach my $group (sort(keys(%files_by_group))) {
                    628:             my %fileshash;
                    629:             my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
                    630:                                            $is_course,$filecounts,$mode,
                    631:                                            $files_by_group{$group},
                    632:                                            \%fileshash,$group);
                    633:             if ($grpout) {
                    634:                 $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
                    635:             }
                    636:         }
                    637:     } else {
                    638:         my %allfileshash;
                    639:         $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
                    640:                                       $filecounts,$mode,\%access_controls,
                    641:                                       \%allfileshash);
                    642:     }
                    643:     if ($mode eq 'listfiles') {
                    644:         if ($filecounts->{'both'}) {
                    645:              $r->print($diroutput);
                    646:         } else {
                    647:             my $access_text;
                    648:             if (ref($lt) eq 'HASH') {
                    649:                 $access_text = $lt->{$portaccess};   
                    650:             }
                    651:             $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
                    652:         }
                    653:     }
                    654:     return $filecounts;
                    655: }
                    656: 
                    657: { 
                    658:     my $count=0;
                    659:     sub portfolio_table_start {
                    660: 	$count=0;
                    661: 	return '<table class="LC_aboutme_port">';
                    662:     }
                    663:     sub portfolio_row_start {
                    664: 	$count++;
                    665: 	my $class = ($count%2)?'LC_odd_row'
                    666: 	                      :'LC_even_row';
                    667: 	return '<tr class="'.$class.'">';
                    668:     }
                    669: }
                    670: 
                    671: sub build_hierarchy {
                    672:     my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
                    673:         $allfileshash,$group) = @_;
                    674:     foreach my $filename (sort(keys(%{$access_info}))) {
                    675:         my $access_status =
                    676:            &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group,                                                 $$access_info{$filename});
1.43      raeburn   677:         if ($portaccess eq 'both') {
                    678:             if (($access_status ne 'ok') &&
                    679:                 ($access_status !~  /^[^:]+:guest_/)) {
                    680:                 next;
                    681:             }
                    682:         } elsif ($portaccess eq 'withoutpass') {
                    683:             if ($access_status ne 'ok') {
                    684:                 next;
                    685:             }
                    686:         } elsif ($portaccess eq 'withpass') {
                    687:             if ($access_status !~  /^[^:]+:guest_/) {
                    688:                 next;
                    689:             }
                    690:         }
                    691:         if ($mode eq 'listfiles') {
                    692:             $filename =~ s/^\///;
                    693:             my @pathitems = split('/',$filename);
1.55      raeburn   694:             my $lasthash = $allfileshash;
1.43      raeburn   695:             while (@pathitems > 1) {
                    696:                 my $newlevel = shift(@pathitems);
                    697:                 if (!exists($lasthash->{$newlevel})) {
                    698:                     $lasthash->{$newlevel} = {};
                    699:                 }
                    700:                 $lasthash = $lasthash->{$newlevel};
                    701:             }
                    702:             $lasthash->{$pathitems[0]} = $filename;
                    703:         }
                    704:         if ($access_status eq 'ok') {
                    705:             $filecounts->{'withoutpass'} ++;
                    706:         } elsif ($access_status =~  /^[^:]+:guest_/) {
                    707:             $filecounts->{'withpass'} ++;
                    708:         }
                    709:     }
                    710:     $filecounts->{'both'} =  $filecounts->{'withoutpass'} +
                    711:                               $filecounts->{'withpass'};
1.55      raeburn   712:     my $output;
1.43      raeburn   713:     if ($mode eq 'listfiles') {
1.55      raeburn   714:         if ($filecounts->{'both'} > 0) {
1.45      albertel  715:             $output = &portfolio_table_start();
1.55      raeburn   716:             $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
                    717:                                         $group);
1.43      raeburn   718:             $output .= '</table>';
                    719:         }
1.45      albertel  720:     }
1.55      raeburn   721:     return $output;
1.45      albertel  722: }
                    723: 
1.43      raeburn   724: sub parse_directory {
1.55      raeburn   725:     my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
                    726:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.45      albertel  727:     $depth++;
                    728:     my $output;
1.49      albertel  729: 
1.55      raeburn   730:     my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
                    731:                                                                 $group);
1.70      raeburn   732:     my $getpropath = 1;
1.49      albertel  733:     my %dirlist = map {
                    734: 	    ((split('&',$_,2))[0],1)
1.70      raeburn   735: 	} &Apache::lonnet::dirlist($portfolio_root.$path,$cdom,$cnum,$getpropath);
1.43      raeburn   736:     foreach my $item (sort(keys(%{$currhash}))) {
1.45      albertel  737:         $output .= &portfolio_row_start();
                    738:         $output .= '<td style="padding-left: '.($depth*25).'px">';
1.43      raeburn   739:         if (ref($currhash->{$item}) eq 'HASH') {
1.45      albertel  740:             my $title=&HTML::Entities::encode($item,'<>&"');
                    741:             $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" />&nbsp;'.$title;
1.47      albertel  742: 	    $output .= '</td><td></td></tr>';
1.49      albertel  743:             $output .= &parse_directory($r,$depth,$currhash->{$item},
1.55      raeburn   744: 					$path.'/'.$item,$is_course,$group);
1.43      raeburn   745:         } else {
1.50      albertel  746: 	    my $file_name; 
                    747: 	    if ($currhash->{$item} =~ m|/([^/]+)$|) {
                    748: 		$file_name = $1;
                    749: 	    } else {
                    750: 		$file_name = $currhash->{$item};
                    751: 	    }
                    752: 	    my $have_meta = exists($dirlist{$file_name.'.meta'});
1.55      raeburn   753:             my $url;
                    754:             if ($is_course) {
                    755:                 $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
                    756:                        '/portfolio/'.$currhash->{$item};
                    757:             } else { 
                    758: 	        $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
                    759: 		       $currhash->{$item};
                    760:             }
1.43      raeburn   761:             my $showname;
1.50      albertel  762: 	    if ($have_meta) {
                    763: 		$showname = &Apache::lonnet::metadata($url,'title');
                    764: 	    }
                    765: 	    if ($showname eq '') {
                    766: 		$showname = $file_name;
                    767: 	    } else {
                    768: 		$showname = $file_name.' ('.$showname.')';
                    769: 	    }
                    770: 
1.45      albertel  771:             $showname=&HTML::Entities::encode($showname,'<>&"');
1.49      albertel  772:             $output .= '<a href="'.$url.'">'.
                    773: 		'<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
                    774: 		'&nbsp;'.$showname.'</a>';
                    775: 	    $output.='</td><td>';
1.50      albertel  776: 	    if ($have_meta) {
1.92      schafran  777: 		$output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Metadata').'" src="'.
1.47      albertel  778: 		&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
1.49      albertel  779: 		'" class="LC_icon" /></a>';
                    780: 	    }
1.45      albertel  781: 	    $output .= '</td></tr>';
1.43      raeburn   782:         }
                    783:     }
1.45      albertel  784:     return $output;
1.43      raeburn   785: }
1.1       www       786: 
1.77      raeburn   787: sub aboutme_access {
                    788:     my ($uname,$udom) = @_;
                    789:     my $privcheck = $env{'request.course.id'};
                    790:     my $sec;
                    791:     if ($env{'request.course.sec'} ne '') {
                    792:         $sec = $env{'request.course.sec'};
                    793:         $privcheck .= '/'.$sec;
                    794:     }
                    795:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                    796:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                    797:     if (($cdom eq '') || ($cnum eq '')) {
                    798:         my %coursehash = &coursedescription($env{'request.course.id'});
                    799:         $cdom = $coursehash{'domain'};
                    800:         $cnum = $coursehash{'cnum'};
                    801:     }
1.84      raeburn   802:     if ((&Apache::lonnet::allowed('srm',$privcheck)) || 
                    803:         (&Apache::lonnet::allowed('dff',$privcheck))) {
1.77      raeburn   804:         if (&in_course($uname,$udom,$cnum,$cdom)) {
                    805:             return 1;
                    806:         }
                    807:     }
                    808:     return;
                    809: }
                    810: 
1.1       www       811: 1;
                    812: __END__

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