Annotation of loncom/interface/lonaboutme.pm, revision 1.105

1.1       www         1: # The LearningOnline Network
1.97      weissno     2: # Personal Information Page
1.1       www         3: #
1.105   ! neumanie    4: # $Id: lonaboutme.pm,v 1.103 2009/02/24 20:43:57 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:                     $r->print(&Apache::loncommon::end_page());
                    130:                 }
                    131:                 return OK;
1.77      raeburn   132:             }
                    133:         }
                    134:     }
                    135: 
1.2       www       136: # --------------------------------------------------------- The syllabus fields
1.17      www       137:     my %syllabusfields=&Apache::lonlocal::texthash(
1.3       www       138:        'aaa_contactinfo'   => 'Contact Information',
1.103     weissno   139:        'bbb_aboutme'       => 'Personal Information',
1.3       www       140:        'ccc_webreferences' => 'Web References');
1.2       www       141: 
1.13      www       142: # ------------------------------------------------------------ Get Query String
1.47      albertel  143:     &Apache::loncommon::get_unprocessed_cgi($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 = $env{'form.register'};
                    196:     }
1.105   ! neumanie  197: 
        !           198: #------------Get rights
        !           199:  my %courseenv=&Apache::lonnet::dump('environment',$cdom,$cnum);
        !           200:  my %syllabus=&Apache::lonnet::dump('aboutme',$cdom,$cnum);
        !           201:     my $allowed=0;
        !           202:   my $privleged=$allowed=(($env{'user.name'} eq $cnum) && 
        !           203: 			       ($env{'user.domain'} eq $cdom));
        !           204:        if ($forcestudent or $target eq 'tex') { $allowed=0; } 
        !           205:  
        !           206: 
1.2       www       207: # --------------------------------------- There is such a user, get environment
1.105   ! neumanie  208:   
1.22      sakharuk  209:     if ($target ne 'tex') {
1.65      albertel  210: 	my $rss_link = &Apache::lonrss::rss_link($cnum,$cdom);
1.69      raeburn   211:         my $args = {'function' => $forcestudent,
                    212:                     'domain'   => $cdom,
                    213:                     'force_register' => $forceregister};
                    214:         if ($env{'form.popup'}) {
                    215:             $args->{'no_nav_bar'} = 1;
                    216:         }
1.98      weissno   217: 	$args->{'bread_crumbs'} = [{href=>"/adm/fhwfdev/$cnum/aboutme",text=>"Personal Information Page"}];
1.40      albertel  218: 	my $start_page = 
1.97      weissno   219: 	    &Apache::loncommon::start_page("Personal Information Page",$rss_link,$args);
1.40      albertel  220: 	$r->print($start_page);
1.105   ! neumanie  221:         
        !           222:     }   
        !           223: 
        !           224: #----------------Print Functions
        !           225: 	if( $target ne 'tex'){
        !           226: 		 &Apache::lontemplate::print_start_page_functions($r);
        !           227:       		if($allowed){
        !           228: 			 my $query_string = &build_query_string({'forcestudent' => '1','popup' => $env{'form.popup'}});		
        !           229: 			&Apache::lontemplate::print_functions_content($r,'<a href="'.$r->uri.$query_string.'">'.&mt('Show Public View').'</a>'.&Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView'));
        !           230:     			&Apache::lontemplate::print_functions_content($r,&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')));
        !           231: 		}elsif($privleged){
        !           232: 			my $query_string = &build_query_string({'forceedit' => '1','popup' => $env{'form.popup'}});
        !           233: 			 &Apache::lontemplate::print_functions_content($r,'<a href="'.$r->uri.$query_string.'">'. &mt('Edit').'</a>');
        !           234: 		}
        !           235: 		&Apache::lontemplate::print_functions_content($r,&Apache::lontemplate::send_message($r,$cnum,$cdom));
        !           236: 
        !           237: 		if ($env{'request.course.id'} && &Apache::lonnet::allowed('srm',$env{'request.course.id'})	&& &in_course($cdom,$cnum)) {
        !           238: 			if (&Apache::lonnet::allowed('vsa', $env{'request.course.id'}) || &Apache::lonnet::allowed('vsa', $env{'request.course.id'}.'/'.
        !           239: 					 $env{'request.course.sec'})) {
        !           240: 				&Apache::lontemplate::print_functions_content($r,&Apache::loncommon::track_student_link('View recent activity by this student',
        !           241: 			  	 	$cnum,$cdom).('&nbsp;'x2));
        !           242: 	    		}
        !           243: 	    		&Apache::lontemplate::print_functions_content($r,&Apache::loncommon::noteswrapper(&mt('Add Records'),$cnum,$cdom));
        !           244: 		}
        !           245: 	&Apache::lontemplate::print_end_page_functions($r);
        !           246: 	}  
        !           247: #------Print Headtitle
        !           248:  if ($target ne 'tex') {
        !           249: 	 $r->print('<div class="LC_ContentBoxSpecial">');
1.95      schualex  250: 	$r->print('<h2 class="LC_hcell">'.&Apache::loncommon::plainname($cnum,$cdom).'</h2>');
1.105   ! neumanie  251: 	$r->print('<blockquote>');
        !           252: 	 if ($courseenv{'nickname'}) {
        !           253:       	 	$r->print('<h2>&quot;'.$courseenv{'nickname'}.'&quot;</h2>');
        !           254:     	}
        !           255: 	$r->print('<h3>'.&Apache::lonnet::domain($cdom,'description').'</h3>');
        !           256:  }
        !           257: else{
1.22      sakharuk  258: 	$r->print('\noindent{\large\textbf{'.&Apache::loncommon::plainname($cnum,$cdom).'}}\\\\\\\\');
1.105   ! neumanie  259: 	$r->print('\textbf{'.&Apache::lonnet::domain($cdom,'description').'}\\\\');	
        !           260: }
1.1       www       261: # does this user have privileges to post, etc?
1.2       www       262: 
1.105   ! neumanie  263:      
1.87      ehlerst   264: 	my $query_string; 
1.99      neumanie  265: 	
1.105   ! neumanie  266:        if ($allowed) {          
        !           267: 	   $r->print('<p><b>'.&mt('Privacy Note').':</b> '.&mt('The information you submit can be viewed by anybody who is logged into LON-CAPA. Do not provide information that you are not ready to share publicly.'). '</p>');
        !           268: 	} 
        !           269:        
1.99      neumanie  270: 	
1.37      albertel  271:       if (($env{'form.uploaddoc.filename'}) &&
                    272:           ($env{'form.storeupl'}) && ($allowed)) {
                    273:  	  if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
1.24      albertel  274: 	      if ($syllabus{'uploaded.photourl'}) {
                    275: 		  &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
                    276: 	      }
                    277: 	      $syllabus{'uploaded.photourl'}=
1.79      amueller  278:                  &Apache::lonnet::userphotoupload('uploaddoc','aboutme');
1.3       www       279:  	  }
                    280:           $syllabus{'uploaded.lastmodified'}=time;
                    281:           &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
                    282:        }
1.37      albertel  283:     if ($allowed && $env{'form.delupl'}) {
1.32      albertel  284: 	if ($syllabus{'uploaded.photourl'}) {
                    285: 	    &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
                    286: 	    delete($syllabus{'uploaded.photourl'});
                    287: 	    &Apache::lonnet::del('aboutme',['uploaded.photourl'],$cdom,$cnum);
                    288: 	}
                    289:     }
1.37      albertel  290:        if (($allowed) && ($env{'form.storesyl'})) {
1.57      albertel  291: 	   foreach my $syl_field (keys(%syllabusfields)) {
                    292:                my $field=$env{'form.'.$syl_field};
1.2       www       293:                $field=~s/\s+$//s;
1.11      www       294:                $field=&Apache::lonfeedback::clear_out_html($field,
1.37      albertel  295:                                                            $env{'user.adv'});
1.57      albertel  296: 	       $syllabus{$syl_field}=$field;
1.2       www       297:            }
                    298:            $syllabus{'uploaded.lastmodified'}=time;
                    299:            &Apache::lonnet::put('aboutme',\%syllabus,$cdom,$cnum);
                    300:        }
                    301: 
1.71      amueller  302: my $lastmod;
                    303: my $image; 
1.2       www       304: # ---------------------------------------------------------------- Get syllabus
                    305:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
1.71      amueller  306:        $lastmod=$syllabus{'uploaded.lastmodified'};
1.18      www       307:        $lastmod=($lastmod?&Apache::lonlocal::locallocaltime($lastmod):&mt('never'));
1.93      neumanie  308:  	$r->print('<br />'.&mt('Last updated').': '.$lastmod);
1.99      neumanie  309: 
                    310: 
1.3       www       311:        if ($syllabus{'uploaded.photourl'}) {
1.24      albertel  312: 	   &Apache::lonnet::allowuploaded('/adm/aboutme',
                    313: 					  $syllabus{'uploaded.photourl'});
1.91      neumanie  314: 	
1.97      weissno   315:            #This call is to resize all "Personal Information" images in the LonCapa System. When its done, you can remove this line.
1.91      neumanie  316: 	   &Apache::lonnet::resizeImage(&Apache::lonnet::filelocation('',$syllabus{'uploaded.photourl'}));
1.93      neumanie  317: 	   #---End Resize---
1.91      neumanie  318: 
1.94      neumanie  319: 	   $image=qq{<img name="userPhoto" src="$syllabus{'uploaded.photourl'} " class="LC_AboutMe_Image" />};
1.91      neumanie  320: 	   
1.27      albertel  321: 	   if ($target eq 'tex') {
                    322: 	       $image=&Apache::lonxml::xmlparse($r,'tex',$image);
1.26      sakharuk  323: 	   }
1.93      neumanie  324: 	
1.3       www       325:        }
1.105   ! neumanie  326: 	
1.23      sakharuk  327:        if ($allowed) {
1.3       www       328:            $r->print(
                    329: 	 '<form method="post" enctype="multipart/form-data">'.
1.18      www       330:          '<h3>'.&mt('Upload a Photo').'</h3>'.
1.68      raeburn   331:          '<input type="file" name="uploaddoc" size="50" />'.
                    332:          '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
1.69      raeburn   333:          '<input type="hidden" name="popup" value="'.$env{'form.popup'}.'" />'.
1.93      neumanie  334: 	 '</form><form method="post"><input type="submit" name="delupl" value="'.&mt('Delete Photo').'" /> </form><p>
1.83      schualex  335: ');
1.32      albertel  336: 
1.2       www       337:        }
1.86      schualex  338: 
                    339: 	if($allowed) {
                    340: 		$r->print('<form method="post">');
                    341: 	}
                    342: 
1.93      neumanie  343: 	 if($target ne 'tex') #print Image
                    344:      	 {	
1.101     neumanie  345: 		&Apache::lontemplate::start_ContentBox($r);			
1.81      ehlerst   346: 		&Apache::lontemplate::end_ContentBox($r);
1.93      neumanie  347: 		$r->print($image);		
                    348: 		
                    349: 	}#End Print Image
                    350: 
                    351: 	#Print Content eg. Contactinfo aboutme,...	
                    352: 	&Apache::lontemplate::print_aboutme_content_template($r,$allowed,$target,\%syllabusfields,\%syllabus);	
                    353:         #End Print Content
                    354: 
                    355:        if($target ne 'tex')#Begin Print RSS and portfiles
1.101     neumanie  356:        {			
1.81      ehlerst   357: 		&print_portfiles_link($r,$is_course);
1.100     neumanie  358: 		if(&Apache::lonrss::advertisefeeds($cnum,$cdom) ne ''){			
                    359: 			&Apache::lontemplate::print_template($r,'RSS Feeds and Blogs',&Apache::lonrss::advertisefeeds($cnum,$cdom),1,'LC_ContentBoxSpecial');
1.101     neumanie  360: 		}		
1.93      neumanie  361: 		
1.101     neumanie  362:        } #End  Print RSS and portfiles
1.95      schualex  363: 
1.101     neumanie  364:        
1.23      sakharuk  365:        if ($allowed) {
1.69      raeburn   366:            if ($env{'form.popup'}) {
                    367:                $r->print('<input type="hidden" name="popup" value="'.
                    368:                          $env{'form.popup'}.'" />');
                    369:            }
1.2       www       370: 	   $r->print('</form>');
                    371:        }
1.46      albertel  372:        if ($target ne 'tex') {$r->print('<br />');} else {$r->print('\\\\');}
1.2       www       373:     } else {
1.99      neumanie  374: 	# &Apache::lontemplate::send_message($r,$cnum,$cdom);
1.17      www       375:        $r->print('<p>'.&mt('No personal information provided').'.</p>');
1.8       www       376:     }
1.101     neumanie  377:     if($target ne 'tex'){
1.102     schualex  378: 		#$r->print('</blockquote>');
                    379:     		#$r->print('</div>');	
1.101     neumanie  380: 	}
1.43      raeburn   381: 
1.63      albertel  382:     if ($env{'request.course.id'}
                    383: 	&& &Apache::lonnet::allowed('srm',$env{'request.course.id'})
                    384: 	&& &in_course($cdom,$cnum)) {
                    385: 	if ($target ne 'tex') {
                    386: 	    $r->print('<a name="coursecomment" />');
1.105   ! neumanie  387: 	   &Apache::lontemplate::print_start_template($r,&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').&mt('Shared by course faculty and staff').&Apache::loncommon::help_open_topic("Course_Face_To_Face_Records,Course_Critical_Message"),'LC_ContentBoxSpecial');
        !           388: 	   &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
        !           389: 	   &Apache::lontemplate::print_end_template($r);
1.101     neumanie  390: 	    
1.63      albertel  391: 	} else {
                    392: 	    $r->print('\\\\\textbf{'.&mt('User Notes, Records of Face-To-Face Discussions, and Critical Messages in Course').'}\\\\'.&mt('Shared by course faculty and staff').'\\\\\\\\');
                    393: 	    &Apache::lonmsgdisplay::disfacetoface($r,$cnum,$cdom);
                    394: 	}
1.1       www       395:     }
1.102     schualex  396:     $r->print('</blockquote>');
                    397:     $r->print('</div>');
1.40      albertel  398:     if ($target ne 'tex') {
1.69      raeburn   399:         if ($env{'form.popup'}) {
                    400:             $r->print('<p><a href="javascript:window.close()">'.&mt('Close window').'</a>');
                    401:         }
1.40      albertel  402: 	$r->print(&Apache::loncommon::end_page());
                    403:     } else {
                    404: 	$r->print('\end{document}');
                    405:     }
1.71      amueller  406: 
                    407:   
                    408: 	
1.1       www       409:     return OK;
1.43      raeburn   410: }
                    411: 
1.63      albertel  412: sub in_course {
                    413:     my ($udom,$uname,$cdom,$cnum,$type) = @_;
                    414:     $type ||= 'any';
                    415:     if (!defined($cdom) || !defined($cnum)) {
                    416: 	my $cid  = $env{'request.course.id'};
                    417: 	$cdom = $env{'course.'.$cid.'.domain'};
                    418: 	$cnum = $env{'course.'.$cid.'.num'};
                    419:     }
                    420:     my %roles = &Apache::lonnet::dump('roles',$udom,$uname);
                    421:     my @course_roles = grep(m{^/\Q$cdom\E/\Q$cnum\E[/_]}, keys(%roles));
                    422:     return 0 if (!@course_roles);
                    423:     return 1 if ($type eq 'any');
                    424:     my $now = time();
                    425:     foreach my $role (@course_roles) {
                    426: 	my (undef,$role_end,$role_start)=split(/\_/,$roles{$role});
                    427: 	my $status = 'active';
                    428: 	if ($role_start > 0 && $now < $role_start) {
                    429: 	    $status = 'future';
                    430: 	}
                    431: 	if ($role_end > 0 && $now > $role_end) {
                    432: 	    $status = 'previous';
                    433: 	}
                    434: 	return 1 if ($status eq $type);
                    435:     }
                    436:     return 0;
                    437: }
                    438: 
1.43      raeburn   439: sub aboutme_info {
1.55      raeburn   440:     my ($r,$is_course) = @_;
1.43      raeburn   441:     my (undef,undef,$cdom,$cnum)=split(/\//,$r->uri);
1.55      raeburn   442:     my $name;
                    443:     if (!$is_course) {
                    444:         $name = &Apache::loncommon::plainname($cnum,$cdom);
                    445:     }
1.43      raeburn   446:     return ($cdom,$cnum,$name);
                    447: }
                    448: 
                    449: sub print_portfiles_link {
1.55      raeburn   450:     my ($r,$is_course) = @_;
                    451:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.64      raeburn   452:     my $filecounts = &portfolio_files($r,'showlink',undef,$is_course,
                    453:                                       $cdom,$cnum,$name);
1.47      albertel  454:     my $query_string = &build_query_string();
1.43      raeburn   455:     my $output;
1.55      raeburn   456:     my %lt = &Apache::lonlocal::texthash(
                    457:                          vpfi => 'Viewable portfolio files',
                    458:                          vgpf => 'Viewable group portfolio files',
                    459:                          difl => 'Display file listing',
                    460:              );                     
1.43      raeburn   461:     if ($filecounts->{'both'} > 0) {
1.89      harmsja   462: 	$output = '<div class="LC_ContentBoxSpecial"><h4 class="LC_hcell">';
1.76      harmsja   463: 	$output .= ($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
1.71      amueller  464:         
1.76      harmsja   465: 	#$output = '<h4>'.($is_course?$lt{'vgpf'}:$lt{'vpfi'}).'</h4>';
1.47      albertel  466:         $output .= '<a href="/adm/'.$cdom.'/'.$cnum.'/aboutme/portfolio'.
1.55      raeburn   467:                    $query_string.'">'.$lt{'difl'}.
1.43      raeburn   468:                    '</a><br /><br />';
1.53      raeburn   469:         if ($filecounts->{'both'} == 1) {
1.55      raeburn   470:             if ($is_course) {
                    471:                 $output .= &mt('One group portfolio file is available.').'<ul>';
                    472:             } else {
1.56      albertel  473:                 $output .= &mt('One portfolio file owned by [_1] is available.',$name).'<ul>';
1.55      raeburn   474:             }
1.53      raeburn   475:         } else {
1.55      raeburn   476:             if ($is_course) {
1.56      albertel  477:                 $output .= &mt('A total of [_1] group portfolio files are available.',$filecounts->{'both'}).'<ul>';
1.55      raeburn   478:             } else {
                    479:                 $output .= &mt('A total of [_1] portfolio files owned by [_2] are available.',$filecounts->{'both'},$name).'<ul>';
                    480:             }
1.53      raeburn   481:         }
1.43      raeburn   482:         if ($filecounts->{'withoutpass'}) {
1.54      albertel  483: 	    $output .= '<li>'.&mt('[quant,_1,file is,files are] publicly accessible.',$filecounts->{'withoutpass'}).'</li>';
1.43      raeburn   484:         }
                    485:         if ($filecounts->{'withpass'}) {
1.54      albertel  486: 	    $output .= '<li>'.&mt('[quant,_1,file requires,files require] a passphrase for access.',$filecounts->{'withpass'}).'</li>';
1.43      raeburn   487:         }
                    488:         $output .= '</ul>';
1.76      harmsja   489: 	$output .='</p>';
1.81      ehlerst   490: 	$output .='</div>';
1.43      raeburn   491:     }
                    492:     $r->print($output);
                    493:     return;
                    494: }
                    495: 
                    496: sub build_query_string {
                    497:     my ($new_items) = @_;
                    498:     my $query_string;
                    499:     my @formelements = ('register'); 
1.47      albertel  500:     my $new = 0;
1.43      raeburn   501:     if (ref($new_items) eq 'HASH') {
1.47      albertel  502:         $new = 1;
1.43      raeburn   503:         if (!defined($new_items->{'forceedit'}) && 
                    504:             !defined($new_items->{'forcestudent'})) {
                    505:             push(@formelements,('forceedit','forcestudent'));
                    506:         }
                    507:     } else {
                    508:         push(@formelements,('forceedit','forcestudent'));
                    509:     }
                    510:     foreach my $element (@formelements) {
                    511:         if (exists($env{'form.'.$element})) {
1.47      albertel  512:             if ((!$new) || (!defined($new_items->{$element}))) {
1.43      raeburn   513:                 $query_string .= '&amp;'.$element.'='.$env{'form.'.$element};
                    514:             }
                    515:         }
                    516:     }
1.47      albertel  517:     if ($new) {
1.43      raeburn   518:         foreach my $key (keys(%{$new_items})) {
                    519:             $query_string .= '&amp;'.$key.'='.$new_items->{$key};
                    520:         }
                    521:     }
                    522:     $query_string =~ s/^\&amp;/\?/;
                    523:     return $query_string;
                    524: }
                    525: 
                    526: sub display_portfolio_header {
1.55      raeburn   527:     my ($r,$is_course) = @_;
                    528:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.43      raeburn   529:     my $query_string = &build_query_string();
                    530:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                    531:     my $forcestudent='';
                    532:     if ($env{'form.forcestudent'}) { $forcestudent='student'; };
1.55      raeburn   533: 
                    534:     my $output;
                    535:     if ($is_course) {
                    536:         $output = 
                    537:             &Apache::loncommon::start_page('Viewable group portfolio files',undef,
                    538:                                             {'function' => $forcestudent,
                    539:                                              'domain'   => $cdom,});
                    540:         $output .= '<h3>'.&mt('Group Portfolio files').'</h3>';
                    541:     } else {
                    542:         $output  =
                    543:             &Apache::loncommon::start_page('Viewable portfolio files',undef,
                    544:                                             {'function' => $forcestudent,
1.43      raeburn   545:                                              'domain'   => $cdom,});
1.55      raeburn   546:         if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
                    547:             &Apache::lonhtmlcommon::add_breadcrumb
                    548:                 ({href=>"/adm/$cdom/$cnum/aboutme".$query_string,
1.104     weissno   549:                   text=>&mt('Personal Information Page - [_1]',$name),
1.105   ! neumanie  550:                   title=>&mt('Go to personal information page for [_1]', $name)},
        !           551: 		 {href=>"/adm/$cdom/$cnum/aboutme/portfolio",
        !           552:                   text=>&mt('Viewable files - [_1]', $name),
        !           553:                   title=>&mt('Viewable portfolio files for [_1]', $name)}
1.55      raeburn   554:             );
                    555:             $output .= &Apache::lonhtmlcommon::breadcrumbs(&mt('Viewable portfolio files.'));
                    556:         }
                    557:         $output .= '<h3>'.&mt('Portfolio files for [_1]',$name).'</h3>';
1.53      raeburn   558:     }
1.43      raeburn   559:     $r->print($output);
                    560:     return;
                    561: }
                    562: 
                    563: sub display_portfolio_files {
1.55      raeburn   564:     my ($r,$is_course) = @_;
                    565:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.47      albertel  566:     my %lt = ( withoutpass => 'passphrase not required',
                    567: 	       withpass    => 'passphrase protected',
                    568: 	       both        => 'all access types ',);
                    569:     %lt = &Apache::lonlocal::texthash(%lt);
                    570: 
1.43      raeburn   571:     my $portaccess = 'withoutpass';
                    572:     if (exists($env{'form.portaccess'})) {
                    573:         $portaccess = $env{'form.portaccess'};
                    574:     }
1.47      albertel  575: 
1.45      albertel  576:     my $output = '<form action="'.&HTML::Entities::encode($r->uri,'<>&"')
                    577: 	.'" name="displaystatus" method="post">'.
                    578: 	&mt('File access type: ').'<select name="portaccess">';
1.43      raeburn   579:     foreach my $type ('withoutpass','withpass','both') {
                    580:         $output .= '<option value="'.$type.'" ';
                    581:         if ($portaccess eq $type) {
                    582:             $output .= 'selected="selected"';
                    583:         }
1.53      raeburn   584:         $output .= '>'.$lt{$type}.'</option>';
1.43      raeburn   585:     }
                    586:     $output .= '</select>'."\n".
                    587:                '<input type="submit" name="portaccessbutton" value="'.
1.47      albertel  588:                &mt('Update display').'" />';
1.43      raeburn   589:     $output .= '</form><br /><br />';
                    590:     $r->print($output);
1.64      raeburn   591:     my $filecounts = &portfolio_files($r,'listfiles',\%lt,$is_course,
                    592:                                       $cdom,$cnum,$name);
1.53      raeburn   593:     if (!($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public')) {
                    594:         my $query_string = &build_query_string();
                    595:         $r->print('<br /><br /><a href="/adm/'.$cdom.'/'.$cnum.
1.55      raeburn   596:                   '/aboutme'.$query_string.'">');
                    597:         if ($is_course) {
                    598:             $r->print(&mt('Course Information page'));
                    599:         } else {
                    600:             $r->print(&mt('Information about [_1]',$name));
                    601:         }
                    602:         $r->print('</a>');
1.53      raeburn   603:     }
1.43      raeburn   604:     return;
                    605: }
                    606: 
                    607: sub portfolio_files {
1.64      raeburn   608:     my ($r,$mode,$lt,$is_course,$cdom,$cnum,$name) = @_;
1.43      raeburn   609:     my $filecounts = {
                    610:                        withpass    => 0,
                    611:                        withoutpass => 0,
                    612:                        both        => 0,
                    613:                      };
                    614:     my $current_permissions =
1.44      albertel  615: 	&Apache::lonnet::get_portfile_permissions($cdom,$cnum);
1.43      raeburn   616:     my %access_controls = 
1.44      albertel  617: 	&Apache::lonnet::get_access_controls($current_permissions);
1.43      raeburn   618:     my $portaccess;
                    619:     if ($mode eq 'showlink') {
                    620:         $portaccess = 'both';
                    621:     } else {
                    622:         $portaccess = 'withoutpass';
                    623:         if (exists($env{'form.portaccess'})) {
                    624:             $portaccess = $env{'form.portaccess'};
                    625:         }
                    626:     }
                    627: 
1.55      raeburn   628:     my $diroutput;
                    629:     if ($is_course) {
                    630:         my %files_by_group;
                    631:         foreach my $filename (sort(keys(%access_controls))) {
                    632:             my ($group,$path) = split('/',$filename,2);
                    633:             $files_by_group{$group}{$path} = $access_controls{$filename}; 
                    634:         }
                    635:         foreach my $group (sort(keys(%files_by_group))) {
                    636:             my %fileshash;
                    637:             my $grpout .= &build_hierarchy($r,$cdom,$cnum,$portaccess,
                    638:                                            $is_course,$filecounts,$mode,
                    639:                                            $files_by_group{$group},
                    640:                                            \%fileshash,$group);
                    641:             if ($grpout) {
                    642:                 $diroutput .= '<h3>'.$group.'</h3>'.$grpout.'<br />';
                    643:             }
                    644:         }
                    645:     } else {
                    646:         my %allfileshash;
                    647:         $diroutput = &build_hierarchy($r,$cdom,$cnum,$portaccess,$is_course,
                    648:                                       $filecounts,$mode,\%access_controls,
                    649:                                       \%allfileshash);
                    650:     }
                    651:     if ($mode eq 'listfiles') {
                    652:         if ($filecounts->{'both'}) {
                    653:              $r->print($diroutput);
                    654:         } else {
                    655:             my $access_text;
                    656:             if (ref($lt) eq 'HASH') {
                    657:                 $access_text = $lt->{$portaccess};   
                    658:             }
                    659:             $r->print(&mt('There are no available files of the specified access type: [_1]',$access_text));
                    660:         }
                    661:     }
                    662:     return $filecounts;
                    663: }
                    664: 
                    665: { 
                    666:     my $count=0;
                    667:     sub portfolio_table_start {
                    668: 	$count=0;
                    669: 	return '<table class="LC_aboutme_port">';
                    670:     }
                    671:     sub portfolio_row_start {
                    672: 	$count++;
                    673: 	my $class = ($count%2)?'LC_odd_row'
                    674: 	                      :'LC_even_row';
                    675: 	return '<tr class="'.$class.'">';
                    676:     }
                    677: }
                    678: 
                    679: sub build_hierarchy {
                    680:     my ($r,$cdom,$cnum,$portaccess,$is_course,$filecounts,$mode,$access_info,
                    681:         $allfileshash,$group) = @_;
                    682:     foreach my $filename (sort(keys(%{$access_info}))) {
                    683:         my $access_status =
                    684:            &Apache::lonnet::get_portfolio_access($cdom,$cnum,$filename,$group,                                                 $$access_info{$filename});
1.43      raeburn   685:         if ($portaccess eq 'both') {
                    686:             if (($access_status ne 'ok') &&
                    687:                 ($access_status !~  /^[^:]+:guest_/)) {
                    688:                 next;
                    689:             }
                    690:         } elsif ($portaccess eq 'withoutpass') {
                    691:             if ($access_status ne 'ok') {
                    692:                 next;
                    693:             }
                    694:         } elsif ($portaccess eq 'withpass') {
                    695:             if ($access_status !~  /^[^:]+:guest_/) {
                    696:                 next;
                    697:             }
                    698:         }
                    699:         if ($mode eq 'listfiles') {
                    700:             $filename =~ s/^\///;
                    701:             my @pathitems = split('/',$filename);
1.55      raeburn   702:             my $lasthash = $allfileshash;
1.43      raeburn   703:             while (@pathitems > 1) {
                    704:                 my $newlevel = shift(@pathitems);
                    705:                 if (!exists($lasthash->{$newlevel})) {
                    706:                     $lasthash->{$newlevel} = {};
                    707:                 }
                    708:                 $lasthash = $lasthash->{$newlevel};
                    709:             }
                    710:             $lasthash->{$pathitems[0]} = $filename;
                    711:         }
                    712:         if ($access_status eq 'ok') {
                    713:             $filecounts->{'withoutpass'} ++;
                    714:         } elsif ($access_status =~  /^[^:]+:guest_/) {
                    715:             $filecounts->{'withpass'} ++;
                    716:         }
                    717:     }
                    718:     $filecounts->{'both'} =  $filecounts->{'withoutpass'} +
                    719:                               $filecounts->{'withpass'};
1.55      raeburn   720:     my $output;
1.43      raeburn   721:     if ($mode eq 'listfiles') {
1.55      raeburn   722:         if ($filecounts->{'both'} > 0) {
1.45      albertel  723:             $output = &portfolio_table_start();
1.55      raeburn   724:             $output .= &parse_directory($r,0,$allfileshash,'',$is_course,
                    725:                                         $group);
1.43      raeburn   726:             $output .= '</table>';
                    727:         }
1.45      albertel  728:     }
1.55      raeburn   729:     return $output;
1.45      albertel  730: }
                    731: 
1.43      raeburn   732: sub parse_directory {
1.55      raeburn   733:     my ($r,$depth,$currhash,$path,$is_course,$group) = @_;
                    734:     my ($cdom,$cnum,$name) = &aboutme_info($r,$is_course);
1.45      albertel  735:     $depth++;
                    736:     my $output;
1.49      albertel  737: 
1.55      raeburn   738:     my $portfolio_root = &Apache::portfolio::get_portfolio_root($cdom,$cnum,
                    739:                                                                 $group);
1.70      raeburn   740:     my $getpropath = 1;
1.49      albertel  741:     my %dirlist = map {
                    742: 	    ((split('&',$_,2))[0],1)
1.70      raeburn   743: 	} &Apache::lonnet::dirlist($portfolio_root.$path,$cdom,$cnum,$getpropath);
1.43      raeburn   744:     foreach my $item (sort(keys(%{$currhash}))) {
1.45      albertel  745:         $output .= &portfolio_row_start();
                    746:         $output .= '<td style="padding-left: '.($depth*25).'px">';
1.43      raeburn   747:         if (ref($currhash->{$item}) eq 'HASH') {
1.45      albertel  748:             my $title=&HTML::Entities::encode($item,'<>&"');
                    749:             $output .= '<img src="'.&Apache::loncommon::lonhttpdurl("/adm/lonIcons/navmap.folder.open.gif").'" alt="'.&mt('Folder').' '.$title.'" class="LC_icon" />&nbsp;'.$title;
1.47      albertel  750: 	    $output .= '</td><td></td></tr>';
1.49      albertel  751:             $output .= &parse_directory($r,$depth,$currhash->{$item},
1.55      raeburn   752: 					$path.'/'.$item,$is_course,$group);
1.43      raeburn   753:         } else {
1.50      albertel  754: 	    my $file_name; 
                    755: 	    if ($currhash->{$item} =~ m|/([^/]+)$|) {
                    756: 		$file_name = $1;
                    757: 	    } else {
                    758: 		$file_name = $currhash->{$item};
                    759: 	    }
                    760: 	    my $have_meta = exists($dirlist{$file_name.'.meta'});
1.55      raeburn   761:             my $url;
                    762:             if ($is_course) {
                    763:                 $url = '/uploaded/'.$cdom.'/'.$cnum.'/groups/'.$group.
                    764:                        '/portfolio/'.$currhash->{$item};
                    765:             } else { 
                    766: 	        $url = '/uploaded/'.$cdom.'/'.$cnum.'/portfolio/'.
                    767: 		       $currhash->{$item};
                    768:             }
1.43      raeburn   769:             my $showname;
1.50      albertel  770: 	    if ($have_meta) {
                    771: 		$showname = &Apache::lonnet::metadata($url,'title');
                    772: 	    }
                    773: 	    if ($showname eq '') {
                    774: 		$showname = $file_name;
                    775: 	    } else {
                    776: 		$showname = $file_name.' ('.$showname.')';
                    777: 	    }
                    778: 
1.45      albertel  779:             $showname=&HTML::Entities::encode($showname,'<>&"');
1.49      albertel  780:             $output .= '<a href="'.$url.'">'.
                    781: 		'<img alt="" src="'.&Apache::loncommon::icon($currhash->{$item}).'" class="LC_icon" />'.
                    782: 		'&nbsp;'.$showname.'</a>';
                    783: 	    $output.='</td><td>';
1.50      albertel  784: 	    if ($have_meta) {
1.92      schafran  785: 		$output.= '<a href="'.$url.'.meta"><img alt="'.&mt('Metadata').'" src="'.
1.47      albertel  786: 		&Apache::loncommon::lonhttpdurl('/res/adm/pages/catalog.gif').
1.49      albertel  787: 		'" class="LC_icon" /></a>';
                    788: 	    }
1.45      albertel  789: 	    $output .= '</td></tr>';
1.43      raeburn   790:         }
                    791:     }
1.45      albertel  792:     return $output;
1.43      raeburn   793: }
1.1       www       794: 
1.77      raeburn   795: sub aboutme_access {
                    796:     my ($uname,$udom) = @_;
                    797:     my $privcheck = $env{'request.course.id'};
                    798:     my $sec;
                    799:     if ($env{'request.course.sec'} ne '') {
                    800:         $sec = $env{'request.course.sec'};
                    801:         $privcheck .= '/'.$sec;
                    802:     }
                    803:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                    804:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                    805:     if (($cdom eq '') || ($cnum eq '')) {
                    806:         my %coursehash = &coursedescription($env{'request.course.id'});
                    807:         $cdom = $coursehash{'domain'};
                    808:         $cnum = $coursehash{'cnum'};
                    809:     }
1.84      raeburn   810:     if ((&Apache::lonnet::allowed('srm',$privcheck)) || 
                    811:         (&Apache::lonnet::allowed('dff',$privcheck))) {
1.77      raeburn   812:         if (&in_course($uname,$udom,$cnum,$cdom)) {
                    813:             return 1;
                    814:         }
                    815:     }
                    816:     return;
                    817: }
                    818: 
1.1       www       819: 1;
                    820: __END__

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