--- loncom/interface/lonmeta.pm 2002/03/29 18:44:41 1.15 +++ loncom/interface/lonmeta.pm 2005/03/17 21:32:17 1.94 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Metadata display handler # -# $Id: lonmeta.pm,v 1.15 2002/03/29 18:44:41 www Exp $ +# $Id: lonmeta.pm,v 1.94 2005/03/17 21:32:17 banghart Exp $ # # Copyright Michigan State University Board of Trustees # @@ -24,285 +24,1001 @@ # /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::loncommon(); +use Apache::lonhtmlcommon(); +use Apache::lonmsg; +use Apache::lonpublisher; +use Apache::lonlocal; +use Apache::lonmysql; +use Apache::lonmsg; + + +############################################################ +############################################################ +## +## &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/(\w+)/(\w+)/:); + if (! defined($authordom)) { + $authordom = shift(); + } + if (! defined($author)) { + $author = shift(); + } + if (! defined($authordom) || ! defined($author)) { + return (); + } + my @Fields = ('url','count','course', + 'goto','goto_list', + 'comefrom','comefrom_list', + 'sequsage','sequsage_list', + 'stdno','stdno_list', + 'dependencies', + 'avetries','avetries_list', + 'difficulty','difficulty_list', + 'disc','disc_list', + 'clear','technical','correct', + 'helpful','depth'); + # + my $query = 'SELECT '.join(',',@Fields). + ' FROM metadata WHERE url LIKE "'.$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 (! $result); + my @Data = + map { + &Apache::lonnet::unescape($_); + } split(',',$result); + my $url = $Data[0]; + for (my $i=0;$i<=$#Fields;$i++) { + $ReturnHash{$url}->{$Fields[$i]}=$Data[$i]; + } + } + $finished = 1; + } + # + return %ReturnHash; +} -# ----------------------------------------- Fetch and evaluate dynamic metadata +# Fetch and evaluate dynamic metadata sub dynamicmeta { my $url=&Apache::lonnet::declutter(shift); $url=~s/\.meta$//; my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//); - my $regexp=&Apache::lonnet::escape($url); + my $regexp=$url; $regexp=~s/(\W)/\\$1/g; $regexp='___'.$regexp.'___'; - my %evaldata=&Apache::lonnet::dump - ('resevaldata',$adomain,$aauthor,$regexp); - my %sum; - my %cnt; - my %listitems=('count' => 'add', - 'course' => 'add', - 'avetries' => 'avg', - 'stdno' => 'add', - 'difficulty' => 'avg', - 'clear' => 'avg', - 'technical' => 'avg', - 'helpful' => 'avg', - 'correct' => 'avg', - 'depth' => 'avg', - 'comments' => 'app', - 'usage' => 'cnt' - ); - foreach (keys %evaldata) { - $_=~/___(\w+)$/; - if (defined($cnt{$1})) { $cnt{$1}++; } else { $cnt{$1}=1; } - unless ($listitems{$1} eq 'app') { - if (defined($sum{$1})) { - $sum{$1}+=$evaldata{$_}; - } else { - $sum{$1}=$evaldata{$_}; - } - } else { - if (defined($sum{$1})) { - if ($evaldata{$_}) { - $sum{$1}.='
'.$evaldata{$_}; - } - } else { - $sum{$1}=''.$evaldata{$_}; - } - } + my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain, + $aauthor,$regexp); + 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('-------------------'); } - 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 { - $returnhash{$_}=$sum{$_}; - } + return %Data; +} + +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'); + $alttag=~s/\s+/ /gs; + $alttag=~s/\"//gs; + $alttag=~s/\'//gs; + $alttag=~s/\s+$//gs; + $alttag=~s/^\s+//gs; + if ($alttag) { + return $alttag; + } else { + return &mt('No information available'); } - return %returnhash; } -# -------------------------------------------------------------- Pretty display +# Author display +sub authordisplay { + my ($aname,$adom)=@_; + return &Apache::loncommon::aboutmewrapper + (&Apache::loncommon::plainname($aname,$adom), + $aname,$adom,'preview').' ['.$aname.'@'.$adom.']'; +} +# 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; - my %content=(); +# The field names +sub fieldnames { + my $file_type=shift; + my %fields = + ('title' => 'Title', + 'author' =>'Author(s)', + 'authorspace' => 'Author Space', + 'modifyinguser' => 'Last Modifying User', + 'subject' => 'Subject', + 'keywords' => 'Keyword(s)', + 'notes' => 'Notes', + 'abstract' => 'Abstract', + 'lowestgradelevel' => 'Lowest Grade Level', + 'highestgradelevel' => 'Highest Grade Level'); + if (! defined($file_type) || $file_type ne 'portfolio') { + %fields = + (%fields, + 'domain' => 'Domain', + 'standards' => 'Standards', + '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); +} -# ----------------------------------------------------------- Set document type +# Pretty printing of metadata field - $r->content_type('text/html'); - $r->send_http_header; +sub prettyprint { + my ($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/(\w+)(\:|\@)(\w+)/&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; + foreach my $course (@Courses) { + my %courseinfo = &Apache::lonnet::coursedescription($course); + if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') { + next; + } + if ($Str ne '') { $Str .= '
'; } + $Str .= ''. + $courseinfo{'description'}.''; + } + return $Str; + } + # No pretty print found + return $value; +} - return OK if $r->header_only; - -# ------------------------------------------------------------------- Read file - - my $uri=$r->uri; - 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 $creationdate=localtime($content{'creationdate'}); -my $lastrevisiondate=localtime($content{'lastrevisiondate'}); -my $language=&Apache::loncommon::languagedescription($content{'language'}); -my $mime=&Apache::loncommon::filedescription($content{'mime'}); -my $disuri=&Apache::lonnet::declutter($uri); - $disuri=~s/\.meta$//; - $r->print(<Catalog Information - -

Catalog Information

-

$content{'title'}

-

$disuri

- - - - - - - - - - - - - - - - - - - - - -
Author(s)$content{'author'} 
Subject$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$content{'owner'} 
Copyright/Distribution$content{'copyright'} -
-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'}); - if ($ENV{'user.adv'}) { -# ------------------------------------------------------------ Dynamic Metadata - $r->print( - '

Dynamic Metadata (updated periodically)

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

Access and Usage Statistics

'); - foreach ('count','usage','course') { - $r->print( -'\n"); - } - $r->print('
'.$items{$_}.''. -$dynmeta{$_}." 
'); - if ($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'}.'
'); - } -# ------------------------------------------------------------- All other stuff - $r->print( - '

Additional Metadata (non-standard, parameters, exports)

'); - foreach (sort keys %content) { - my $name=$_; - 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"); - } - } - $r->print(''); - return OK; +# Pretty input of metadata field +sub direct { + return shift; } -1; -__END__ +sub selectbox { + my ($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)=@_; + if (! defined($size)) { + $size = 80; + } + # Language + if ($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,$relatedsep); + } + # Dates + if (($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; + # + 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+)\//); + my $html=&Apache::lonxml::xmlbegin(); + $r->print($html.''. + 'Catalog Information'. + ''); + if ($uri=~m:/adm/bombs/(.*)$:) { + $r->print(&Apache::loncommon::bodytag('Error Messages')); + # Looking for all bombs? + &report_bombs($r,$uri); + } elsif ($uri=~/\/portfolio\//) { + $r->print(&Apache::loncommon::bodytag + ('Edit Portfolio File Information','','','',$resdomain)); + &present_editable_metadata($r,$uri,'portfolio'); + + } elsif ($uri=~/^\/\~/) { + # Construction space + $r->print(&Apache::loncommon::bodytag + ('Edit Catalog Information','','','',$resdomain)); + &present_editable_metadata($r,$uri); + } else { + $r->print(&Apache::loncommon::bodytag + ('Catalog Information','','','',$resdomain)); + &present_uneditable_metadata($r,$uri); + } + $r->print(''); + return OK; +} +##################################################### +##################################################### +### ### +### Report Bombs ### +### ### +##################################################### +##################################################### +sub report_bombs { + my ($r,$uri) = @_; + # Set document type + $uri =~ s:/adm/bombs/::; + $uri = &Apache::lonnet::declutter($uri); + $r->print('

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

'); + my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//); + if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) { + my %brokenurls = + &Apache::lonmsg::all_url_author_res_msg($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,$uri) = @_; + # + my %content=(); + # Read file + foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) { + $content{$_}=&Apache::lonnet::metadata($uri,$_); + } + # Render Output + # displayed url + my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/); + $uri=~s/\.meta$//; + my $disuri=&Apache::lonnet::clutter($uri); + # version + my $currentversion=&Apache::lonnet::getversion($disuri); + my $versiondisplay=''; + if ($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'; + } + foreach ('title', + 'author', + 'subject', + 'keywords', + 'notes', + 'abstract', + 'lowestgradelevel', + 'highestgradelevel', + 'standards', + 'mime', + 'language', + 'creationdate', + 'lastrevisiondate', + 'owner', + 'copyright', + 'customdistributionfile', + 'sourceavail', + 'sourcerights', + 'obsolete', + 'obsoletereplacement') { + $table.=''.$lt{$_}. + ''. + &prettyprint($_,$content{$_}).''; + delete $content{$_}; + } + # + $r->print(<$title +

+$disuri
+$obsoletewarning +$versiondisplay +

+ +$table +
+ENDHEAD + if ($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); + 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.').'

'); + } + $uri=~/^\/res\/(\w+)\/(\w+)\//; + if ((($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 $target=$uri; + $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//; + $target=~s/\.meta$//; + my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target); + if ($bombs) { + if ($ENV{'form.delmsg'}) { + if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') { + $bombs=&mt('Messages deleted.'); + } else { + $bombs=&mt('Error deleting messages'); + } + } + my $del=&mt('Delete Messages'); + $r->print(<$disuri +
+ +
$bombs +ENDBOMBS + } 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){ + $r->print('Unable to get '.$fn); + return ; + } else { + &Apache::lonpublisher::metaeval($result); + } + $r->print(<$displayfile + +ENDEDIT + $r->print(''); + my %lt=&fieldnames($file_type); + my $output; + my @fields; + if ($file_type eq 'portfolio') { + @fields = ('author','title','subject','keywords','abstract','notes','lowestgradelevel', + 'highestgradelevel'); + } else { + @fields = ('author','title','subject','keywords','abstract','notes', + 'copyright','customdistributionfile','language', + 'standards', + 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights', + 'obsolete','obsoletereplacement'); + } + foreach (@fields) { + if (defined($ENV{'form.new_'.$_})) { + $Apache::lonpublisher::metadatafields{$_}= + $ENV{'form.new_'.$_}; + } + if (! $Apache::lonpublisher::metadatafields{'copyright'}) { + $Apache::lonpublisher::metadatafields{'copyright'}= + 'default'; + } + $output.=('

'.$lt{$_}.': '. + &prettyinput($_, + $Apache::lonpublisher::metadatafields{$_}, + 'new_'.$_,'defaultmeta').'

'); + } + if ($ENV{'form.store'}) { + my $mfh; + my $formname='store'; + my $file_content; + foreach (sort keys %Apache::lonpublisher::metadatafields) { + next if ($_ =~ /\./); + my $unikey=$_; + $unikey=~/^([A-Za-z]+)/; + my $tag=$1; + $tag=~tr/A-Z/a-z/; + $file_content.= "\n\<$tag"; + foreach (split(/\,/, + $Apache::lonpublisher::metadatakeys{$unikey}) + ) { + my $value= + $Apache::lonpublisher::metadatafields{$unikey.'.'.$_}; + $value=~s/\"/\'\'/g; + $file_content.=' '.$_.'="'.$value.'"' ; + # print $mfh ' '.$_.'="'.$value.'"'; + } + $file_content.= '>'. + &HTML::Entities::encode + ($Apache::lonpublisher::metadatafields{$unikey}, + '<>&"'). + ''; + } + if ($fn =~ /\/portfolio\//) { + $fn =~ /\/portfolio\/(.*)$/; + my $new_fn = '/'.$1; + $ENV{'form.'.$formname}=$file_content; + $ENV{'form.'.$formname.'.filename'}=$new_fn; + &Apache::lonnet::userfileupload('uploaddoc','', + 'portfolio'.$ENV{'form.currentpath'}); + my $status =&Apache::lonnet::userfileupload($formname,'','portfolio'); + if (&Apache::lonnet::userfileupload($formname,'','portfolio') eq 'error: no uploaded file') { + $r->print('

'. + &mt('Could not write metadata').', '. + &mt('FAIL').'

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

'.&mt('Wrote Metadata'). + ' '.&Apache::lonlocal::locallocaltime(time). + '

'); + } + } else { + if (! ($mfh=Apache::File->new('>'.$fn))) { + $r->print('

'. + &mt('Could not write metadata').', '. + &mt('FAIL').'

'); + } else { + print $mfh $file_content; + } + } + } + $r->print($output.'
'); + } + $r->print(''); + return; +} +1; +__END__