--- loncom/interface/lonmeta.pm 2003/07/15 19:04:31 1.33 +++ loncom/interface/lonmeta.pm 2007/03/12 19:10:48 1.204 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Metadata display handler # -# $Id: lonmeta.pm,v 1.33 2003/07/15 19:04:31 www Exp $ +# $Id: lonmeta.pm,v 1.204 2007/03/12 19:10:48 banghart Exp $ # # Copyright Michigan State University Board of Trustees # @@ -17,481 +17,1537 @@ # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # -# You should have received a copy of the GNU General Public License +# You should have received a copy of the GNU General Public License # along with LON-CAPA; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # /home/httpd/html/adm/gpl.txt # # http://www.lon-capa.org/ -# -# (TeX Content Handler -# -# 05/29/00,05/30,10/11 Gerd Kortemeyer) -# -# 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24,12/25 Gerd Kortemeyer + package Apache::lonmeta; use strict; +use LONCAPA::lonmetadata(); use Apache::Constants qw(:common); -use Apache::lonnet(); +use Apache::lonnet; use Apache::loncommon(); +use Apache::lonhtmlcommon(); use Apache::lonmsg; use Apache::lonpublisher; +use Apache::lonlocal; +use Apache::lonmysql; +use Apache::lonmsg; +use LONCAPA qw(:DEFAULT :match); -# ----------------------------------------- Fetch and evaluate dynamic metadata +############################################################ +############################################################ +## +## &get_dynamic_metadata_from_sql($url) +## +## Queries sql database for dynamic metdata +## Returns a hash of hashes, with keys of urls which match $url +## Returned fields are given below. +## +## Examples: +## +## %DynamicMetadata = &Apache::lonmeta::get_dynmaic_metadata_from_sql +## ('/res/msu/korte/'); +## +## $DynamicMetadata{'/res/msu/korte/example.problem'}->{$field} +## +############################################################ +############################################################ +sub get_dynamic_metadata_from_sql { + my ($url) = shift(); + my ($authordom,$author)=($url=~m{^/res/($match_domain)/($match_username)/}); + if (! defined($authordom)) { + $authordom = shift(); + } + if (! defined($author)) { + $author = shift(); + } + if (! defined($authordom) || ! defined($author)) { + return (); + } + my $query = 'SELECT * FROM metadata WHERE url LIKE "'.$url.'%"'; + my $server = &Apache::lonnet::homeserver($author,$authordom); + my $reply = &Apache::lonnet::metadata_query($query,undef,undef, + ,[$server]); + return () if (! defined($reply) || ref($reply) ne 'HASH'); + my $filename = $reply->{$server}; + if (! defined($filename) || $filename =~ /^error/) { + return (); + } + my $max_time = time + 10; # wait 10 seconds for results at most + my %ReturnHash; + # + # Look for results + my $finished = 0; + while (! $finished && time < $max_time) { + my $datafile=$Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/'.$filename; + if (! -e "$datafile.end") { next; } + my $fh; + if (!($fh=Apache::File->new($datafile))) { next; } + while (my $result = <$fh>) { + chomp($result); + next if (! $result); + my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash('metadata', + map { &unescape($_) } split(/\,/,$result)); + foreach my $key (keys(%hash)) { + $ReturnHash{$hash{'url'}}->{$key}=$hash{$key}; + } + } + $finished = 1; + } + # + return %ReturnHash; +} + + +# Fetch and evaluate dynamic metadata sub dynamicmeta { my $url=&Apache::lonnet::declutter(shift); $url=~s/\.meta$//; - my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//); + my ($adomain,$aauthor)=($url=~/^($match_domain)\/($match_username)\//); my $regexp=$url; $regexp=~s/(\W)/\\$1/g; $regexp='___'.$regexp.'___'; my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain, $aauthor,$regexp); - my %sum=(); - my %cnt=(); - my %concat=(); - my %listitems=('count' => 'add', - 'course' => 'add', - 'goto' => 'add', - 'comefrom' => 'add', - 'avetries' => 'avg', - 'stdno' => 'add', - 'difficulty' => 'avg', - 'clear' => 'avg', - 'technical' => 'avg', - 'helpful' => 'avg', - 'correct' => 'avg', - 'depth' => 'avg', - 'comments' => 'app', - 'usage' => 'cnt' - ); - foreach (keys %evaldata) { - my ($item,$purl,$cat)=split(/\_\_\_/,$_); -### print "\n".$_.' - '.$item.'
'; - if (defined($cnt{$cat})) { $cnt{$cat}++; } else { $cnt{$cat}=1; } - unless ($listitems{$cat} eq 'app') { - if (defined($sum{$cat})) { - $sum{$cat}+=$evaldata{$_}; - $concat{$cat}.=','.$item; - } else { - $sum{$cat}=$evaldata{$_}; - $concat{$cat}=$item; - } - } else { - if (defined($sum{$cat})) { - if ($evaldata{$_}) { - $sum{$cat}.='
'.$evaldata{$_}; - } - } else { - $sum{$cat}=''.$evaldata{$_}; - } - } - } - my %returnhash=(); - foreach (keys %cnt) { - if ($listitems{$_} eq 'avg') { - $returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0; - } elsif ($listitems{$_} eq 'cnt') { - $returnhash{$_}=$cnt{$_}; - } else { - $returnhash{$_}=$sum{$_}; - } - $returnhash{$_.'_list'}=$concat{$_}; -### print "\n
".$_.': '.$returnhash{$_}.'
'.$returnhash{$_.'_list'}; + my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata); + my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url, + \%DynamicData); + # + # Deal with 'count' separately + $Data{'count'} = &access_count($url,$aauthor,$adomain); + # + # Debugging code I will probably need later + if (0) { + &Apache::lonnet::logthis('Dynamic Metadata'); + while(my($k,$v)=each(%Data)){ + &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"'); + } + &Apache::lonnet::logthis('-------------------'); } - return %returnhash; + return %Data; } -# ------------------------------------- Try to make an alt tag if there is none +sub access_count { + my ($src,$author,$adomain) = @_; + my %countdata=&Apache::lonnet::dump('nohist_accesscount',$adomain, + $author,$src); + if (! exists($countdata{$src})) { + return &mt('Not Available'); + } else { + return $countdata{$src}; + } +} +# Try to make an alt tag if there is none sub alttag { my ($base,$src)=@_; my $fullpath=&Apache::lonnet::hreflocation($base,$src); my $alttag=&Apache::lonnet::metadata($fullpath,'title').' '. - &Apache::lonnet::metadata($fullpath,'subject').' '. - &Apache::lonnet::metadata($fullpath,'abstract'); + &Apache::lonnet::metadata($fullpath,'subject').' '. + &Apache::lonnet::metadata($fullpath,'abstract'); $alttag=~s/\s+/ /gs; $alttag=~s/\"//gs; $alttag=~s/\'//gs; $alttag=~s/\s+$//gs; $alttag=~s/^\s+//gs; - if ($alttag) { return $alttag; } else - { return 'No information available'; } + if ($alttag) { + return $alttag; + } else { + return &mt('No information available'); + } } -# -------------------------------------------------------------- Author display - +# Author display sub authordisplay { my ($aname,$adom)=@_; - return &Apache::loncommon::aboutmewrapper( - &Apache::loncommon::plainname($aname,$adom), - $aname,$adom).' ['.$aname.'@'.$adom.']'; + return &Apache::loncommon::aboutmewrapper + (&Apache::loncommon::plainname($aname,$adom), + $aname,$adom,'preview').' ['.$aname.':'.$adom.']'; } -# -------------------------------------------------------------- Pretty display - +# Pretty display sub evalgraph { my $value=shift; - unless ($value) { return ''; } + if (! $value) { + return ''; + } my $val=int($value*10.+0.5)-10; - my $output=''; + my $output='
'; if ($val>=20) { - $output.=''; + $output.=''; } else { - $output.=''. - ''; + $output.=''. + ''; } $output.=''; if ($val>20) { - $output.=''. - ''; + $output.=''. + ''; } else { - $output.=''; + $output.=''; } - $output.='
                  ('.$value.')
'; + $output.=' ('.sprintf("%5.2f",$value).') '; return $output; } sub diffgraph { my $value=shift; - unless ($value) { return ''; } + if (! $value) { + return ''; + } my $val=int(40.0*$value+0.5); my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33', '#BBDD33','#CCCC33','#DDBB33','#EEAA33'); - my $output=''; + my $output='
'; for (my $i=0;$i<8;$i++) { if ($val>$i*5) { - $output.=''; + $output.=''; } else { - $output.=''; + $output.=''; } } - $output.='
     ('.$value.')
'; + $output.=' ('.sprintf("%3.2f",$value).') '; return $output; } -# ================================================================ Main Handler -sub handler { - my $r=shift; +# The field names +sub fieldnames { + my $file_type=shift; + my %fields = + ('title' => 'Title', + 'author' =>'Author(s)', + 'authorspace' => 'Author Space', + 'modifyinguser' => 'Last Modifying User', + 'subject' => 'Subject', + 'standards' => 'Standards', + 'keywords' => 'Keyword(s)', + 'notes' => 'Notes', + 'abstract' => 'Abstract', + 'lowestgradelevel' => 'Lowest Grade Level', + 'highestgradelevel' => 'Highest Grade Level'); + + if ( !defined($file_type) || ($file_type ne 'portfolio' && $file_type ne 'groups') ) { + %fields = + (%fields, + 'domain' => 'Domain', + 'mime' => 'MIME Type', + 'language' => 'Language', + 'creationdate' => 'Creation Date', + 'lastrevisiondate' => 'Last Revision Date', + 'owner' => 'Publisher/Owner', + 'copyright' => 'Copyright/Distribution', + 'customdistributionfile' => 'Custom Distribution File', + 'sourceavail' => 'Source Available', + 'sourcerights' => 'Source Custom Distribution File', + 'obsolete' => 'Obsolete', + 'obsoletereplacement' => 'Suggested Replacement for Obsolete File', + 'count' => 'Network-wide number of accesses (hits)', + 'course' => 'Network-wide number of courses using resource', + 'course_list' => 'Network-wide courses using resource', + 'sequsage' => 'Number of resources using or importing resource', + 'sequsage_list' => 'Resources using or importing resource', + 'goto' => 'Number of resources that follow this resource in maps', + 'goto_list' => 'Resources that follow this resource in maps', + 'comefrom' => 'Number of resources that lead up to this resource in maps', + 'comefrom_list' => 'Resources that lead up to this resource in maps', + 'clear' => 'Material presented in clear way', + 'depth' => 'Material covered with sufficient depth', + 'helpful' => 'Material is helpful', + 'correct' => 'Material appears to be correct', + 'technical' => 'Resource is technically correct', + 'avetries' => 'Average number of tries till solved', + 'stdno' => 'Total number of students who have worked on this problem', + 'difficulty' => 'Degree of difficulty', + 'disc' => 'Degree of discrimination', + 'dependencies' => 'Resources used by this resource', + ); + } + return &Apache::lonlocal::texthash(%fields); +} - my $loaderror=&Apache::lonnet::overloaderror($r); - if ($loaderror) { return $loaderror; } +sub portfolio_linked_path { + my ($path,$group,$port_path) = @_; + my $start = 'portfolio'; + if ($group) { + $start = "groups/$group/".$start; + } + my %anchor_fields = ( + 'selectfile' => $start, + 'currentpath' => '/' + ); + my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start); + my $fullpath = '/'; + my (undef,@tree) = split('/',$path); + my $filename = pop(@tree); + foreach my $dir (@tree) { + $fullpath .= $dir.'/'; + $result .= '/'; + my %anchor_fields = ( + 'selectfile' => $dir, + 'currentpath' => $fullpath + ); + $result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir); + } + $result .= "/$filename"; + return $result; +} - my $uri=$r->uri; +sub get_port_path_and_group { + my ($uri)=@_; + + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + + my ($port_path,$group); + if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) { + $group = (split('/',$uri))[5]; + $port_path = '/adm/coursegrp_portfolio'; + } else { + $port_path = '/adm/portfolio'; + } + if ($env{'form.group'} ne $group) { + $env{'form.group'} = $group; + } + return ($port_path,$group); +} + +sub portfolio_display_uri { + my ($uri,$as_links)=@_; + + my ($port_path,$group) = &get_port_path_and_group($uri); + + $uri =~ s|.*/(portfolio/.*)$|$1|; + my ($res_uri,$meta_uri) = ($uri,$uri); + if ($uri =~ /\.meta$/) { + $res_uri =~ s/\.meta//; + } else { + $meta_uri .= '.meta'; + } + + my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|); + if ($as_links) { + $res_uri = &portfolio_linked_path($res_uri,$group,$port_path); + $meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path); + } + return ($res_uri,$meta_uri,$path); +} + +sub pre_select_course { + my ($r,$uri) = @_; + my $output; + my $fn=&Apache::lonnet::filelocation('',$uri); + my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri); + %Apache::lonpublisher::metadatafields=(); + %Apache::lonpublisher::metadatakeys=(); + my $result=&Apache::lonnet::getfile($fn); + if ($result == -1){ + $r->print(&mt('Creating new file [_1]'),$meta_uri); + } else { + &Apache::lonpublisher::metaeval($result); + } + $r->print('
'); + $r->print('

'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, \'None\'',''.$res_uri.'').'

'); + $output = &select_course(); + $r->print($output.'
'); + $r->print(''); + $r->print(''); + $r->print('
'); + + my ($port_path,$group) = &get_port_path_and_group($uri); + my $group_input; + if ($group) { + $group_input = ''; + } + $r->print('

'. + ''. + $group_input. + ''. + '
'); + + return; +} +sub select_course { + my $output=$/; + my $current_restriction= + $Apache::lonpublisher::metadatafields{'courserestricted'}; + my $selected = ($current_restriction eq 'none' ? 'selected="selected"' + : ''); + if ($current_restriction =~ /^course\.($match_domain\_$match_courseid)$/) { + my $assoc_crs = $1; + my $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs); + if (ref($added_metadata_fields) eq 'HASH') { + if (keys(%{$added_metadata_fields}) > 0) { + my $transfernotes; + foreach my $field_name (keys(%{$added_metadata_fields})) { + my $value = $Apache::lonpublisher::metadatafields{$field_name}; + if ($value) { + $transfernotes .= + &Apache::loncommon::start_data_table_row(). + ''. + $field_name.''.$value.''. + &Apache::loncommon::end_data_table_row(); + } + } + if ($transfernotes ne '') { + my %courseinfo = &Apache::lonnet::coursedescription($assoc_crs,{'one_time' => 1}); + my $assoc_crs_description = $courseinfo{'description'}; + $output .= &mt('This resource is currently associated with a course ([_1]) which includes added metadata fields specific to the course.',$assoc_crs_description).'
'."\n". + &mt('You can choose to transfer data from the added fields to the "Notes" field if you are planning to change the course association.').'

'. + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + 'Copy to notes?'."\n". + 'Field name'."\n". + 'Values'."\n". + &Apache::loncommon::end_data_table_header_row(). + $transfernotes. + &Apache::loncommon::end_data_table().'
'; + } + } + } + } + $output .= '
'; + return ($output); +} +# Pretty printing of metadata field + +sub prettyprint { + my ($type,$value,$target,$prefix,$form,$noformat)=@_; +# $target,$prefix,$form are optional and for filecrumbs only + if (! defined($value)) { + return ' '; + } + # Title + if ($type eq 'title') { + return ''.$value.''; + } + # Dates + if (($type eq 'creationdate') || + ($type eq 'lastrevisiondate')) { + return ($value?&Apache::lonlocal::locallocaltime( + &Apache::lonmysql::unsqltime($value)): + &mt('not available')); + } + # Language + if ($type eq 'language') { + return &Apache::loncommon::languagedescription($value); + } + # Copyright + if ($type eq 'copyright') { + return &Apache::loncommon::copyrightdescription($value); + } + # Copyright + if ($type eq 'sourceavail') { + return &Apache::loncommon::source_copyrightdescription($value); + } + # MIME + if ($type eq 'mime') { + return ' '. + &Apache::loncommon::filedescription($value); + } + # Person + if (($type eq 'author') || + ($type eq 'owner') || + ($type eq 'modifyinguser') || + ($type eq 'authorspace')) { + $value=~s/($match_username)(\:|\@)($match_domain)/&authordisplay($1,$3)/gse; + return $value; + } + # Gradelevel + if (($type eq 'lowestgradelevel') || + ($type eq 'highestgradelevel')) { + return &Apache::loncommon::gradeleveldescription($value); + } + # Only for advance users below + if (! $env{'user.adv'}) { + return '- '.&mt('not displayed').' -'; + } + # File + if (($type eq 'customdistributionfile') || + ($type eq 'obsoletereplacement') || + ($type eq 'goto_list') || + ($type eq 'comefrom_list') || + ($type eq 'sequsage_list') || + ($type eq 'dependencies')) { + return ''; + } + # Evaluations + if (($type eq 'clear') || + ($type eq 'depth') || + ($type eq 'helpful') || + ($type eq 'correct') || + ($type eq 'technical')) { + return &evalgraph($value); + } + # Difficulty + if ($type eq 'difficulty' || $type eq 'disc') { + return &diffgraph($value); + } + # List of courses + if ($type=~/\_list/) { + my @Courses = split(/\s*\,\s*/,$value); + my $Str=''; + } + # No pretty print found + return $value; +} + +# Pretty input of metadata field +sub direct { + return shift; +} + +sub selectbox { + my ($name,$value,$functionref,@idlist)=@_; + if (! defined($functionref)) { + $functionref=\&direct; + } + my $selout=''; +} + +sub relatedfield { + my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_; + if (! $relatedsearchflag) { + return ''; + } + if (! defined($relatedsep)) { + $relatedsep=' '; + } + if (! $show) { + return $relatedsep.' '; + } + return $relatedsep.''; +} + +sub prettyinput { + my ($type,$value,$fieldname,$formname, + $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_; + if (! defined($size)) { + $size = 80; + } + my $output; + if (defined($course_key) + && exists($env{$course_key.'.metadata.'.$type.'.options'})) { + my $stu_add; + my $only_one; + my %meta_options; + my @cur_values_inst; + my $cur_values_stu; + my $values = $env{$course_key.'.metadata.'.$type.'.values'}; + if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) { + $stu_add = 'true'; + } + if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) { + $only_one = 'true'; + } + # need to take instructor values out of list where instructor and student + # values may be mixed. + if ($values) { + foreach my $item (split(/,/,$values)) { + $item =~ s/^\s+//; + $meta_options{$item} = $item; + } + foreach my $item (split(/,/,$value)) { + $item =~ s/^\s+//; + if ($meta_options{$item}) { + push(@cur_values_inst,$item); + } else { + if ($item ne '') { + $cur_values_stu .= $item.','; + } + } + } + $cur_values_stu =~ s/,$//; + my @key_order = sort(keys(%meta_options)); + unshift(@key_order,''); + $meta_options{''} = 'Not specified'; + $meta_options{'select_form_order'} = \@key_order; + } else { + $cur_values_stu = $value; + } + if ($type eq 'courserestricted') { + return (&select_course()); + # return (''); + } + if (($type eq 'keywords') || ($type eq 'subject') + || ($type eq 'author')||($type eq 'notes') + || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards') + || (exists($env{$course_key.'.metadata.'.$type.'.added'}))) { + + if ($values) { + if ($only_one) { + $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options)); + } else { + $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options)); + } + } + if ($stu_add) { + $output .= ''. + &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname, + $relatedvalue); + } + return ($output); + } + if (($type eq 'lowestgradelevel') || + ($type eq 'highestgradelevel')) { + return &Apache::loncommon::select_level_form($value,$fieldname). + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + return(); + } + # Language + if ($type eq 'language') { + return &selectbox($fieldname, + $value, + \&Apache::loncommon::languagedescription, + (&Apache::loncommon::languageids)). + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # Copyright + if ($type eq 'copyright') { + return &selectbox($fieldname, + $value, + \&Apache::loncommon::copyrightdescription, + (&Apache::loncommon::copyrightids)). + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # Source Copyright + if ($type eq 'sourceavail') { + return &selectbox($fieldname, + $value, + \&Apache::loncommon::source_copyrightdescription, + (&Apache::loncommon::source_copyrightids)). + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # Gradelevels + if (($type eq 'lowestgradelevel') || + ($type eq 'highestgradelevel')) { + return &Apache::loncommon::select_level_form($value,$fieldname). + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # Obsolete + if ($type eq 'obsolete') { + return ''. + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # Obsolete replacement file + if ($type eq 'obsoletereplacement') { + return '".&mt('Select').''. + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # Customdistribution file + if ($type eq 'customdistributionfile') { + return '".&mt('Select').''. + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # Source Customdistribution file + if ($type eq 'sourcerights') { + return '".&mt('Select').''. + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + if ($type eq 'courserestricted') { + return (&select_course()); + #return (''); + } + + # Dates + if (($type eq 'creationdate') || + ($type eq 'lastrevisiondate')) { + return + &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value). + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # No pretty input found + $value=~s/^\s+//gs; + $value=~s/\s+$//gs; + $value=~s/\s+/ /gs; + $value=~s/\"/\"\;/gs; + return + ''. + &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname, + $relatedvalue); +} + +# Main Handler +sub handler { + my $r=shift; + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['currentpath','changecourse']); + my $uri=$r->uri; + # + # Set document type + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + return OK if $r->header_only; my ($resdomain,$resuser)= - (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//); + (&Apache::lonnet::declutter($uri)=~/^($match_domain)\/($match_username)\//); + if ($uri=~m:/adm/bombs/(.*)$:) { + $r->print(&Apache::loncommon::start_page('Error Messages')); + # Looking for all bombs? + &report_bombs($r,$uri); + } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) { + ($resdomain,$resuser)= + (&Apache::lonnet::declutter($uri)=~m|^($match_domain)/($match_name)/portfolio|); + $r->print(&Apache::loncommon::start_page('Edit Portfolio File Catalog Information', + undef, + {'domain' => $resdomain,})); + if ($env{'form.store'}) { + &present_editable_metadata($r,$uri,'portfolio'); + } else { + my $fn=&Apache::lonnet::filelocation('',$uri); + %Apache::lonpublisher::metadatafields=(); + %Apache::lonpublisher::metadatakeys=(); + my $result=&Apache::lonnet::getfile($fn); + &Apache::lonpublisher::metaeval($result); + if ((!$Apache::lonpublisher::metadatafields{'courserestricted'}) || + ($env{'form.changecourse'} eq 'true')) { + &pre_select_course($r,$uri); + } else { + &present_editable_metadata($r,$uri,'portfolio'); + } + } + } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/groups/|) { + $r->print(&Apache::loncommon::start_page('Edit Group Portfolio File Catalog Information', + undef, + {'domain' => $resdomain,})); + &present_editable_metadata($r,$uri,'groups'); + } elsif ($uri=~m|^/~|) { + # Construction space + $r->print(&Apache::loncommon::start_page('Edit Catalog Information', + "\n".'', + {'domain' => $resdomain,})); + &present_editable_metadata($r,$uri); + } else { + $r->print(&Apache::loncommon::start_page('Catalog Information', + undef, + {'domain' => $resdomain,})); + &present_uneditable_metadata($r,$uri); + } + $r->print(&Apache::loncommon::end_page()); + return OK; +} - $loaderror= - &Apache::lonnet::overloaderror($r, - &Apache::lonnet::homeserver($resuser,$resdomain)); - if ($loaderror) { return $loaderror; } - - my %content=(); - -# ----------------------------------------------------------- Set document type - - $r->content_type('text/html'); - $r->send_http_header; - - return OK if $r->header_only; - -# ------------------------------------------------------------------- Read file - foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) { - $content{$_}=&Apache::lonnet::metadata($uri,$_); - } -# ------------------------------------------------------------------ Hide stuff - - unless ($ENV{'user.adv'}) { - foreach ('keywords','notes','abstract','subject') { - $content{$_}='- not displayed -'; - } - } - -# --------------------------------------------------------------- Render Output - my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/); -my $creationdate=localtime( - &Apache::loncommon::unsqltime($content{'creationdate'})); -my $lastrevisiondate=localtime( - &Apache::loncommon::unsqltime($content{'lastrevisiondate'})); -my $language=&Apache::loncommon::languagedescription($content{'language'}); -my $mime=&Apache::loncommon::filedescription($content{'mime'}); -my $disuri=&Apache::lonnet::declutter($uri); - $disuri=~s/\.meta$//; -my $currentversion=&Apache::lonnet::getversion($disuri); -my $author=$content{'author'}; -$author=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse; -my $owner=$content{'owner'}; -$owner=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse; -my $versiondisplay=''; -if ($thisversion) { - $versiondisplay='Version: '.$thisversion. - ' (most recent version: '.$currentversion.')'; -} else { - $versiondisplay='Version: '.$currentversion; -} -my $customdistributionfile=''; -if ($content{'customdistributionfile'}) { - $customdistributionfile=''.$content{'customdistributionfile'}.''; -} -my $bodytag=&Apache::loncommon::bodytag - ('Catalog Information','','','',$resdomain); - $r->print(<Catalog Information -$bodytag -

$content{'title'}

-

$disuri

-$versiondisplay
- - - - - - - - - - - - - - - - - - - - - - - - +##################################################### +##################################################### +### ### +### Report Bombs ### +### ### +##################################################### +##################################################### +sub report_bombs { + my ($r,$uri) = @_; + # Set document type + $uri =~ s:/adm/bombs/::; + $uri = &Apache::lonnet::declutter($uri); + $r->print('

'.&Apache::lonnet::clutter($uri).'

'); + my ($domain,$author)=($uri=~/^($match_domain)\/($match_username)\//); + if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) { + if ($env{'form.clearbombs'}) { + &Apache::lonmsg::clear_author_res_msg($uri); + } + my $clear=&mt('Clear all Messages in Subdirectory'); + $r->print(< + + +ENDCLEAR + my %brokenurls = + &Apache::lonmsg::all_url_author_res_msg($author,$domain); + foreach (sort(keys(%brokenurls))) { + if ($_=~/^\Q$uri\E/) { + $r->print + (''.$_.''. + &Apache::lonmsg::retrieve_author_res_msg($_). + '
'); + } + } + } else { + $r->print(&mt('Not authorized')); + } + return; +} + +##################################################### +##################################################### +### ### +### Uneditable Metadata Display ### +### ### +##################################################### +##################################################### +sub present_uneditable_metadata { + my ($r,$uri) = @_; + # + my $uploaded = ($uri =~ m|/uploaded/|); + my %content=(); + # Read file + foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) { + $content{$_}=&Apache::lonnet::metadata($uri,$_); + } + # Render Output + # displayed url + my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/); + $uri=~s/\.meta$//; + my $disuri=&Apache::lonnet::clutter_with_no_wrapper($uri); + # version + my $versiondisplay=''; + if (!$uploaded) { + my $currentversion=&Apache::lonnet::getversion($disuri); + if ($thisversion) { + $versiondisplay=&mt('Version').': '.$thisversion. + ' ('.&mt('most recent version').': '. + ($currentversion>0 ? + $currentversion : + &mt('information not available')).')'; + } else { + $versiondisplay='Version: '.$currentversion; + } + } + # crumbify displayed URL uri target prefix form size + $disuri=&Apache::lonhtmlcommon::crumbs($disuri,undef, undef, undef,'+1'); + $disuri =~ s:
::g; + # obsolete + my $obsolete=$content{'obsolete'}; + my $obsoletewarning=''; + if (($obsolete) && ($env{'user.adv'})) { + $obsoletewarning='

'. + &mt('This resource has been marked obsolete by the author(s)'). + '

'; + } + # + my %lt=&fieldnames(); + my $table=''; + my $title = $content{'title'}; + if (! defined($title)) { + $title = 'Untitled Resource'; + } + my @fields; + if ($uploaded) { + @fields = ('title','author','subject','keywords','notes','abstract', + 'lowestgradelevel','highestgradelevel','standards','mime', + 'owner'); + } else { + @fields = ('title', + 'author', + 'subject', + 'keywords', + 'notes', + 'abstract', + 'lowestgradelevel', + 'highestgradelevel', + 'standards', + 'mime', + 'language', + 'creationdate', + 'lastrevisiondate', + 'owner', + 'copyright', + 'customdistributionfile', + 'sourceavail', + 'sourcerights', + 'obsolete', + 'obsoletereplacement'); + } + foreach my $field (@fields) { + $table.=''; + delete($content{$field}); + } + # + $r->print(<$title +

+$disuri
+$obsoletewarning +$versiondisplay +

+
Author(s)$author 
Subject$content{'subject'} 
Keyword(s)$content{'keywords'} 
Notes$content{'notes'} 
Abstract$content{'abstract'} 
MIME Type$mime ($content{'mime'}) 
Language$language 
Creation Date$creationdate 
-Last Revision Date$lastrevisiondate 
Publisher/Owner$owner 
Copyright/Distribution$content{'copyright'} 
Custom Distribution File$customdistributionfile 
'.$lt{$field}. + ''. + &prettyprint($field,$content{$field}).'
+$table
ENDHEAD - delete($content{'title'}); - delete($content{'author'}); - delete($content{'subject'}); - delete($content{'keywords'}); - delete($content{'notes'}); - delete($content{'abstract'}); - delete($content{'mime'}); - delete($content{'language'}); - delete($content{'creationdate'}); - delete($content{'lastrevisiondate'}); - delete($content{'owner'}); - delete($content{'copyright'}); - delete($content{'customdistributionfile'}); - if ($ENV{'user.adv'}) { -# ------------------------------------------------------------ Dynamic Metadata - $r->print( - '

Dynamic Metadata (updated periodically)

Processing ...
'); - $r->rflush(); - my %items=( - 'count' => 'Network-wide number of accesses (hits)', - 'course' => 'Network-wide number of courses using resource', - 'usage' => 'Number of resources using or importing resource', - 'goto' => 'Number of resources that follow this resource in maps', - 'comefrom' => 'Number of resources that lead up to this resource in maps', - 'clear' => 'Material presented in clear way', - 'depth' => 'Material covered with sufficient depth', - 'helpful' => 'Material is helpful', - 'correct' => 'Material appears to be correct', - 'technical' => 'Resource is technically correct', - 'avetries' => 'Average number of tries till solved', - 'stdno' => 'Total number of students who have worked on this problem', - 'difficulty' => 'Degree of difficulty'); - my %dynmeta=&dynamicmeta($uri); - $r->print( -'

Access and Usage Statistics

'); - foreach ('count') { - $r->print( -'\n"); - } - foreach my $cat ('usage','comefrom','goto') { - $r->print( -'\n"); - } - foreach my $cat ('course') { - $r->print( -'\n"); - } - $r->print('
'.$items{$_}.''. -$dynmeta{$_}." 
'.$items{$cat}.''. -$dynmeta{$cat}.'
'.$items{$cat}.''. -$dynmeta{$cat}.'
'); - if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) { - $r->print( -'

Assessment Statistical Data

'); - foreach ('stdno','avetries') { - $r->print( -'\n"); - } - foreach ('difficulty') { - $r->print( -'\n"); - } - $r->print('
'.$items{$_}.''. -$dynmeta{$_}." 
'.$items{$_}.''. -&diffgraph($dynmeta{$_})."
'); - } - $r->print('

Evaluation Data

'); - foreach ('clear','depth','helpful','correct','technical') { - $r->print( -'\n"); - } - $r->print('
'.$items{$_}.''. -&evalgraph($dynmeta{$_})."
'); - $disuri=~/^(\w+)\/(\w+)\//; - if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2)) - || ($ENV{'user.role.ca./'.$1.'/'.$2})) { - $r->print( - '

Evaluation Comments (visible to author and co-authors only)

'. - '
'.$dynmeta{'comments'}.'
'); - $r->print( - '

Error Messages (visible to author and co-authors only)

'); - my %errormsgs=&Apache::lonnet::dump('nohist_res_msgs',$1,$2); - foreach (keys %errormsgs) { - if ($_=~/^\Q$disuri\E\_\d+$/) { - my %content=&Apache::lonmsg::unpackagemsg($errormsgs{$_}); - $r->print(''.$content{'time'}.': '.$content{'message'}. - '
'); - } - } - } -# ------------------------------------------------------------- All other stuff - $r->print( - '

Additional Metadata (non-standard, parameters, exports)

'); - foreach (sort keys %content) { - my $name=$_; - unless ($name=~/\.display$/) { - my $display=&Apache::lonnet::metadata($uri,$name.'.display'); - unless ($display) { $display=$name; }; - my $otherinfo=''; - foreach ('name','part','type','default') { - if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) { - $otherinfo.=' '.$_.'='. - &Apache::lonnet::metadata($uri,$name.'.'.$_).'; '; - } - } - $r->print(''.$display.': '.$content{$name}); - if ($otherinfo) { - $r->print(' ('.$otherinfo.')'); - } - $r->print("
\n"); - } - } - } -# ===================================================== End Resource Space Call - } else { -# ===================================================== Construction Space Call - -# ----------------------------------------------------------- Set document type - - $r->content_type('text/html'); - $r->send_http_header; - - return OK if $r->header_only; -# ---------------------------------------------------------------------- Header - my $bodytag=&Apache::loncommon::bodytag('Edit Catalog Information'); - my $disuri=$uri; - my $fn=&Apache::lonnet::filelocation('',$uri); - $disuri=~s/^\/\~\w+//; - $disuri=~s/\.meta$//; - my $displayfile='Catalog Information for '.$disuri; - if ($disuri=~/\/default$/) { - my $dir=$disuri; - $dir=~s/default$//; - $displayfile='Default Cataloging Information for Directory '.$dir; - } - %Apache::lonpublisher::metadatafields=(); - %Apache::lonpublisher::metadatakeys=(); - &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn)); - $r->print(<Edit Catalog Information -$bodytag + if (!$uploaded && $env{'user.adv'}) { + &print_dynamic_metadata($r,$uri,\%content); + } + return; +} + +sub print_dynamic_metadata { + my ($r,$uri,$content) = @_; + # + my %content = %$content; + my %lt=&fieldnames(); + # + my $description = 'Dynamic Metadata (updated periodically)'; + $r->print('

'.&mt($description).'

'. + &mt('Processing')); + $r->rflush(); + my %items=&fieldnames(); + my %dynmeta=&dynamicmeta($uri); + # + # General Access and Usage Statistics + if (exists($dynmeta{'count'}) || + exists($dynmeta{'sequsage'}) || + exists($dynmeta{'comefrom'}) || + exists($dynmeta{'goto'}) || + exists($dynmeta{'course'})) { + $r->print('

'.&mt('Access and Usage Statistics').'

'. + ''); + foreach ('count', + 'sequsage','sequsage_list', + 'comefrom','comefrom_list', + 'goto','goto_list', + 'course','course_list') { + $r->print(''. + '\n"); + } + $r->print('
'.$lt{$_}.''. + &prettyprint($_,$dynmeta{$_})."
'); + } else { + $r->print('

'.&mt('No Access or Usages Statistics are available for this resource.').'

'); + } + # + # Assessment statistics + if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/) { + if (exists($dynmeta{'stdno'}) || + exists($dynmeta{'avetries'}) || + exists($dynmeta{'difficulty'}) || + exists($dynmeta{'disc'})) { + # This is an assessment, print assessment data + $r->print('

'. + &mt('Overall Assessment Statistical Data'). + '

'. + ''); + $r->print(''. + ''."\n"); + foreach ('avetries','difficulty','disc') { + $r->print(''. + ''."\n"); + } + $r->print('
'.$lt{'stdno'}.''. + &prettyprint('stdno',$dynmeta{'stdno'}). + '
'.$lt{$_}.''. + &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})). + '
'); + } + if (exists($dynmeta{'stats'})) { + # + # New assessment statistics + $r->print('

'. + &mt('Detailed Assessment Statistical Data'). + '

'); + my $table = ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''. + ''.$/; + foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) { + my $data = $dynmeta{'stats'}->{$identifier}; + my $course = $data->{'course'}; + my %courseinfo = + &Apache::lonnet::coursedescription($course, + {'one_time' => 1}); + if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') { + &Apache::lonnet::logthis('lookup for '.$course.' failed'); + next; + } + $table .= ''; + $table .= + ''; + $table .= + ''; + $table .= + ''; + foreach ('avetries','difficulty','disc') { + $table .= ''; + } + $table .= + ''; + $table .= + ''.$/; + } + $table .= '
CourseSection(s)Num StudentsMean TriesDegree of DifficultyDegree of DiscriminationTime of computation
'.$courseinfo{'description'}.''.$data->{'sections'}.''.$data->{'stdno'}.''; + if (exists($data->{$_})) { + $table .= sprintf('%.2f',$data->{$_}).' '; + } else { + $table .= ''; + } + $table .= ''. + &Apache::lonlocal::locallocaltime($data->{'timestamp'}). + '
'.$/; + $r->print($table); + } else { + $r->print('No new dynamic data found.'); + } + } else { + $r->print('

'. + &mt('No Assessment Statistical Data is available for this resource'). + '

'); + } + + # + # + if (exists($dynmeta{'clear'}) || + exists($dynmeta{'depth'}) || + exists($dynmeta{'helpful'}) || + exists($dynmeta{'correct'}) || + exists($dynmeta{'technical'})){ + $r->print('

'.&mt('Evaluation Data').'

'. + ''); + foreach ('clear','depth','helpful','correct','technical') { + $r->print(''. + '\n"); + } + $r->print('
'.$lt{$_}.''. + &prettyprint($_,$dynmeta{$_})."
'); + } else { + $r->print('

'.&mt('No Evaluation Data is available for this resource.').'

'); + } + $uri=~/^\/res\/($match_domain)\/($match_username)\//; + if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2)) + || ($env{'user.role.ca./'.$1.'/'.$2})) { + if (exists($dynmeta{'comments'})) { + $r->print('

'.&mt('Evaluation Comments').' ('. + &mt('visible to author and co-authors only'). + ')

'. + '
'.$dynmeta{'comments'}.'
'); + } else { + $r->print('

'.&mt('There are no Evaluation Comments on this resource.').'

'); + } + my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri); + if (defined($bombs) && $bombs ne '') { + $r->print('

'.&mt('Error Messages').' ('. + &mt('visible to author and co-authors only').')'. + '

'.$bombs); + } else { + $r->print('

'.&mt('There are currently no Error Messages for this resource.').'

'); + } + } + # + # All other stuff + $r->print('

'. + &mt('Additional Metadata (non-standard, parameters, exports)'). + '

'); + foreach (sort(keys(%content))) { + my $name=$_; + if ($name!~/\.display$/) { + my $display=&Apache::lonnet::metadata($uri, + $name.'.display'); + if (! $display) { + $display=$name; + }; + my $otherinfo=''; + foreach ('name','part','type','default') { + if (defined(&Apache::lonnet::metadata($uri, + $name.'.'.$_))) { + $otherinfo.=' '.$_.'='. + &Apache::lonnet::metadata($uri, + $name.'.'.$_).'; '; + } + } + $r->print('\n"); + } + } + $r->print("
'.$display.''.$content{$name}); + if ($otherinfo) { + $r->print(' ('.$otherinfo.')'); + } + $r->print("
"); + return; +} + + + +##################################################### +##################################################### +### ### +### Editable metadata display ### +### ### +##################################################### +##################################################### +sub present_editable_metadata { + my ($r,$uri,$file_type) = @_; + # Construction Space Call + # Header + my $disuri=$uri; + my $fn=&Apache::lonnet::filelocation('',$uri); + $disuri=~s{^/\~}{/priv/}; + $disuri=~s/\.meta$//; + my $meta_uri = $disuri; + my $path; + if ($disuri =~ m|/portfolio/|) { + ($disuri, $meta_uri, $path) = &portfolio_display_uri($disuri,1); + } + my $target=$uri; + $target=~s{^/\~}{/res/$env{'request.role.domain'}/}; + $target=~s/\.meta$//; + my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target); + if ($bombs) { + my $showdel=1; + if ($env{'form.delmsg'}) { + if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') { + $bombs=&mt('Messages deleted.'); + $showdel=0; + } else { + $bombs=&mt('Error deleting messages'); + } + } + if ($env{'form.clearmsg'}) { + my $cleardir=$target; + $cleardir=~s/\/[^\/]+$/\//; + if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') { + $bombs=&mt('Messages cleared.'); + $showdel=0; + } else { + $bombs=&mt('Error clearing messages'); + } + } + my $del=&mt('Delete Messages for this Resource'); + my $clear=&mt('Clear all Messages in Subdirectory'); + my $goback=&mt('Back to Source File'); + $r->print(<$disuri +
+ENDBOMBS + if ($showdel) { + $r->print(< + +ENDDEL + } else { + $r->print('

'.$goback.'

'); + if ($env{'form.clearmsg'}) { + my ($diruri) = ($disuri =~ m{(.*/)[^/]*}); + $r->print('

'. + &mt('Back To Directory').'

'); + } + } + $r->print('
'.$bombs); + } else { + my $displayfile='Catalog Information for '.$disuri; + if ($disuri=~/\/default$/) { + my $dir=$disuri; + $dir=~s/default$//; + $displayfile= + &mt('Default Cataloging Information for Directory').' '. + $dir; + } + %Apache::lonpublisher::metadatafields=(); + %Apache::lonpublisher::metadatakeys=(); + my $result=&Apache::lonnet::getfile($fn); + if ($result == -1){ + $r->print(&mt('Creating new file [_1]'),$meta_uri); + } else { + &Apache::lonpublisher::metaeval($result); + } + if ($env{'form.new_courserestricted'}) { + my $new_assoc_course = $env{'form.new_courserestricted'}; + my $prev_courserestricted = $Apache::lonpublisher::metadatafields{'courserestricted'}; + if (($prev_courserestricted) && + ($prev_courserestricted ne $new_assoc_course)) { + my $transfers = []; + foreach my $key (keys(%env)) { + if ($key =~ /^form\.transfer_(.+)$/) { + push(@{$transfers},$1); + } + } + if (@{$transfers} > 0) { + &store_transferred_addedfields($fn,$uri,$transfers); + } + } + } + $r->print(<$displayfile - + ENDEDIT - foreach ('author','title','subject','keywords','abstract','notes', - 'copyright','customdistributionfile','language') { - if ($ENV{'form.new_'.$_}) { - $Apache::lonpublisher::metadatafields{$_}=$ENV{'form.new_'.$_}; - } - if (m/copyright/) { - $r->print(&Apache::lonpublisher::selectbox($_,'new_'.$_, - $Apache::lonpublisher::metadatafields{$_}, - \&Apache::loncommon::copyrightdescription, - (&Apache::loncommon::copyrightids))); - } elsif (m/language/) { - $r->print(&Apache::lonpublisher::selectbox($_,'new_'.$_, - $Apache::lonpublisher::metadatafields{$_}, - \&Apache::loncommon::languagedescription, - (&Apache::loncommon::languageids))); - } else { - $r->print(&Apache::lonpublisher::textfield($_,'new_'.$_, - $Apache::lonpublisher::metadatafields{$_})); - } - } - if ($ENV{'form.store'}) { - my $mfh; - unless ($mfh=Apache::File->new('>'.$fn)) { - $r->print( - '

Could not write metadata, FAIL'); - } else { - foreach (sort keys %Apache::lonpublisher::metadatafields) { - unless ($_=~/\./) { - my $unikey=$_; - $unikey=~/^([A-Za-z]+)/; - my $tag=$1; - $tag=~tr/A-Z/a-z/; - print $mfh "\n\<$tag"; - foreach - (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) { - my $value= - $Apache::lonpublisher::metadatafields{$unikey.'.'.$_}; - $value=~s/\"/\'\'/g; - print $mfh ' '.$_.'="'.$value.'"'; - } - print $mfh '>'. - &HTML::Entities::encode($Apache::lonpublisher::metadatafields{$unikey}) - .''; - } - } - $r->print('

Wrote Metadata'); - } + my %lt=&fieldnames($file_type); + my $output; + my @fields; + my $added_metadata_fields; + my @added_order; + if ($file_type eq 'groups') { + $Apache::lonpublisher::metadatafields{'courserestricted'}= + 'course.'.$env{'request.course.id'}; + } + if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) && + (! $env{'form.new_courserestricted'}) && (! $file_type eq 'groups')) { + $Apache::lonpublisher::metadatafields{'courserestricted'}= + 'none'; + } elsif ($env{'form.new_courserestricted'}) { + $Apache::lonpublisher::metadatafields{'courserestricted'}= + $env{'form.new_courserestricted'}; + } + if ($file_type eq 'portfolio' || $file_type eq 'groups') { + if(exists ($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})) { + # retrieve fieldnames (in order) from the course restricted list + @fields = (split(/,/,$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})); + } else { + # no saved field list, use default list + @fields = ('author','title','subject','keywords','abstract', + 'notes','lowestgradelevel', + 'highestgradelevel','standards'); + if ($Apache::lonpublisher::metadatafields{'courserestricted'} =~ /^course\.($match_domain\_$match_courseid)$/) { + my $assoc_crs = $1; + $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs); + if ($env{'course.'.$assoc_crs.'.metadata.addedorder'}) { + @added_order = split(/,/,$env{'course.'.$assoc_crs.'.metadata.addedorder'}); + } + $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'} = join(",",@fields); + } + } + } else { + @fields = ('author','title','subject','keywords','abstract','notes', + 'copyright','customdistributionfile','language', + 'standards', + 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights', + 'obsolete','obsoletereplacement'); + } + if (! $Apache::lonpublisher::metadatafields{'copyright'}) { + $Apache::lonpublisher::metadatafields{'copyright'}= + 'default'; + } + if (($file_type eq 'portfolio') || ($file_type eq 'groups')) { + if (! $Apache::lonpublisher::metadatafields{'mime'}) { + ($Apache::lonpublisher::metadatafields{'mime'}) = + ( $target=~/\.(\w+)$/ ); + } + if (! $Apache::lonpublisher::metadatafields{'owner'}) { + $Apache::lonpublisher::metadatafields{'owner'} = + $env{'user.name'}.':'.$env{'user.domain'}; + } + if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') { + + if ($file_type eq 'portfolio') { + $r->print(&mt('Associated with course [_1]', + ''. + $env{$Apache::lonpublisher::metadatafields{'courserestricted'}. + ".description"}. + '').'
'); + } else { + $r->print(&mt('Associated with course [_1]', + ''. + $env{$Apache::lonpublisher::metadatafields{'courserestricted'}. + ".description"}.'').'
'); + } + } else { + $r->print('This resource is not associated with a course.
'); + } + } + if (@added_order) { + foreach my $field_name (@added_order) { + push(@fields,$field_name); + $lt{$field_name} = $$added_metadata_fields{$field_name}; + } + } else { + foreach my $field_name (keys(%$added_metadata_fields)) { + push(@fields,$field_name); + $lt{$field_name} = $$added_metadata_fields{$field_name}; + } + } + $output .= &Apache::loncommon::start_data_table(); + my $row_alt = 1; + foreach my $field_name (@fields) { + if (defined($env{'form.new_'.$field_name})) { + my @values = &Apache::loncommon::get_env_multiple('form.new_'.$field_name); + my $newvalue = ''; + foreach my $item (@values) { + if ($item ne '') { + $newvalue .= $item.','; + } + } + $newvalue =~ s/,$//; + $Apache::lonpublisher::metadatafields{$field_name}=$newvalue; + } + if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none' + && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) { + # handle restrictions here + if ((($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) || + ($field_name eq 'courserestricted'))&& + (!($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/))){ + + $output .= "\n".&Apache::loncommon::start_data_table_row(); + $output .= (''.$lt{$field_name}.': '. + &prettyinput($field_name, + $Apache::lonpublisher::metadatafields{$field_name}, + 'new_'.$field_name,'defaultmeta', + undef,undef,undef,undef, + $Apache::lonpublisher::metadatafields{'courserestricted'}).''); + $output .= &Apache::loncommon::end_data_table_row(); + } + } else { + + $output.=(&Apache::loncommon::start_data_table_row().''.$lt{$field_name}.': '. + &prettyinput($field_name, + $Apache::lonpublisher::metadatafields{$field_name}, + 'new_'.$field_name,'defaultmeta').''.&Apache::loncommon::end_data_table_row()); + + } + } + $output .= &Apache::loncommon::end_data_table(); + if ($env{'form.store'}) { + my ($outcome,$result) = &store_metadata($fn,$uri,'store'); + $r->print($result); + } + $r->print($output.'
'); + + if ($file_type eq 'portfolio' || $file_type eq 'groups') { + my ($port_path,$group) = &get_port_path_and_group($uri); + if ($group ne '') { + $r->print(''); + } + $r->print(''); + $r->print('



'); + if ($group ne '') { + $r->print(''); + } + $r->print(''. + ''); + } } - $r->print( - '
'); - return OK; - } -} + + $r->print(''); -1; -__END__ + return; +} +sub store_metadata { + my ($fn,$uri,$caller) = @_; + my $mfh; + my $formname='store'; + my ($file_content,$output,$outcome); + if (&Apache::loncommon::get_env_multiple('form.new_keywords')) { + $Apache::lonpublisher::metadatafields{'keywords'} = + join (',', &Apache::loncommon::get_env_multiple('form.new_keywords')); + } + foreach my $field (sort(keys(%Apache::lonpublisher::metadatafields))) { + next if ($field =~ /\./); + my $unikey=$field; + $unikey=~/^([A-Za-z_]+)/; + my $tag=$1; + $tag=~tr/A-Z/a-z/; + $file_content.= "\n\<$tag"; + foreach my $key (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) { + my $value = $Apache::lonpublisher::metadatafields{$unikey.'.'.$key}; + $value=~s/\"/\'\'/g; + $file_content.=' '.$key.'="'.$value.'"' ; + } + $file_content.= '>'. + &HTML::Entities::encode + ($Apache::lonpublisher::metadatafields{$unikey},'<>&"'). + ''; + } + if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) { + my ($path, $new_fn); + if ($fn =~ m|$match_name/groups/\w+/portfolio/|) { + ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|); + } else { + ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|); + } + ($outcome,my $result) = + &store_portfolio_metadata($formname,$file_content, + $path,$new_fn,$uri,$caller); + $output .= $result; + } else { + if (! ($mfh=Apache::File->new('>'.$fn))) { + $output .= '

'; + if ($caller eq 'transfer') { + $output .= &mt('Could not transfer data in added fields to notes'); + } else { + $output .= &mt('Could not write metadata'); + } + $output .= ', '.&mt('FAIL').'

'; + $outcome = 'fail'; + } else { + print $mfh ($file_content); + close($mfh); + &update_metadata_table($uri); + $output .= '

'; + if ($caller eq 'transfer') { + $output .= &mt('Transferred data in added fields to notes'); + } else { + $output .= &mt('Wrote Metadata'); + } + $output .= ' '.&Apache::lonlocal::locallocaltime(time). + '

'; + $outcome = 'ok'; + } + } + return ($outcome,$output); +} +sub store_transferred_addedfields { + my ($fn,$uri,$transfers) = @_; + foreach my $item (@{$transfers}) { + $Apache::lonpublisher::metadatafields{'notes'} .= + ' '.$item.' = '.$Apache::lonpublisher::metadatafields{$item}; + } + my ($outcome,$output) = &store_metadata($fn,$uri,'transfer'); + if ($outcome eq 'ok') { + foreach my $item (@{$transfers}) { + delete($Apache::lonpublisher::metadatafields{$item}); + } + } +} +sub store_portfolio_metadata { + my ($formname,$content,$path,$new_fn,$uri,$caller) = @_; + my ($outcome,$output); + $env{'form.'.$formname}=$content."\n"; + $env{'form.'.$formname.'.filename'}=$new_fn; + my $result =&Apache::lonnet::userfileupload($formname,'',$path); + if ($result =~ /(error|notfound)/) { + $output = '

'; + if ($caller eq 'transfer') { + $output .= + &mt('Could not transfer data in added fields to notes'); + } else { + $output .= &mt('Could not write metadata'); + } + $output .= ', '.&mt('FAIL').'

'; + $outcome = 'fail'; + } else { + &update_metadata_table($uri); + $output = '

'; + if ($caller eq 'transfer') { + $output .= &mt('Transferred data in added fields to notes'); + } else { + $output .= &mt('Wrote Metadata'); + } + $output .= ' '.&Apache::lonlocal::locallocaltime(time). + '

'; + $outcome = 'ok'; + } + return ($outcome,$output); +} +sub update_metadata_table { + my ($uri) = @_; + my ($type,$udom,$uname,$file_name,$group) = + &Apache::lonnet::parse_portfolio_url($uri); + $file_name =~ s/\.meta$//; + my $current_permissions = + &Apache::lonnet::get_portfile_permissions($udom,$uname); + my %access_controls = + &Apache::lonnet::get_access_controls($current_permissions,$group, + $file_name); + my $access_hash = $access_controls{$file_name}; + my $available = 0; + if (ref($access_hash) eq 'HASH') { + foreach my $key (keys(%{$access_hash})) { + my ($num,$scope,$end,$start) = + ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); + if ($scope eq 'public' || $scope eq 'guest') { + $available = 1; + last; + } + } + } + if ($available) { + my $result = + &Apache::lonnet::update_portfolio_table($uname,$udom, + $file_name,'portfolio_metadata',$group,'update'); + } +} +1; +__END__ 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.