--- loncom/interface/lonmeta.pm 2001/12/24 17:13:11 1.10 +++ loncom/interface/lonmeta.pm 2003/02/18 21:17:00 1.25 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Metadata display handler # -# $Id: lonmeta.pm,v 1.10 2001/12/24 17:13:11 www Exp $ +# $Id: lonmeta.pm,v 1.25 2003/02/18 21:17:00 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,7 +29,7 @@ # # 05/29/00,05/30,10/11 Gerd Kortemeyer) # -# 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24 Gerd Kortemeyer +# 10/19,10/21,10/23,11/27,08/09/01,12/22,12/24,12/25 Gerd Kortemeyer package Apache::lonmeta; @@ -37,6 +37,8 @@ use strict; use Apache::Constants qw(:common); use Apache::lonnet(); use Apache::loncommon(); +use Apache::lonmsg; +use Apache::lonpublisher; # ----------------------------------------- Fetch and evaluate dynamic metadata @@ -44,11 +46,11 @@ 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,$regexp); + my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain, + $aauthor,$regexp); my %sum; my %cnt; my %listitems=('count' => 'add', @@ -85,15 +87,87 @@ sub dynamicmeta { } 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 %returnhash; } +# ------------------------------------- Try to make an alt tag if there is none + +sub alttag { + my $src=shift; + return 'None'; +} + +# -------------------------------------------------------------- Pretty display + +sub evalgraph { + my $value=shift; + unless ($value) { return ''; } + my $val=int($value*10.+0.5)-10; + my $output=''; + if ($val>=20) { + $output.=''; + } else { + $output.=''. + ''; + } + $output.=''; + if ($val>20) { + $output.=''. + ''; + } else { + $output.=''; + } + $output.='
          ('.$value.')
'; + return $output; +} + +sub diffgraph { + my $value=shift; + unless ($value) { return ''; } + my $val=int(40.0*$value+0.5); + my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33', + '#BBDD33','#CCCC33','#DDBB33','#EEAA33'); + my $output=''; + for (my $i=0;$i<8;$i++) { + if ($val>$i*5) { + $output.=''; + } else { + $output.=''; + } + } + $output.='
   ('.$value.')
'; + return $output; +} + # ================================================================ Main Handler sub handler { my $r=shift; + + my $loaderror=&Apache::lonnet::overloaderror($r); + if ($loaderror) { return $loaderror; } + + + my $uri=$r->uri; + + unless ($uri=~/^\/\~/) { +# =========================================== This is not in construction space + my ($resdomain,$resuser)= + (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//); + + $loaderror= + &Apache::lonnet::overloaderror($r, + &Apache::lonnet::homeserver($resuser,$resdomain)); + if ($loaderror) { return $loaderror; } + my %content=(); # ----------------------------------------------------------- Set document type @@ -104,45 +178,67 @@ sub handler { return OK if $r->header_only; # ------------------------------------------------------------------- Read file - - my $uri=$r->uri; - map { + foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) { $content{$_}=&Apache::lonnet::metadata($uri,$_); - } split(/\,/,&Apache::lonnet::metadata($uri,'keys')); - + } # ------------------------------------------------------------------ Hide stuff unless ($ENV{'user.adv'}) { - map { + foreach ('keywords','notes','abstract','subject') { $content{$_}='- not displayed -'; - } ('keywords','notes','abstract','subject'); + } } # --------------------------------------------------------------- Render Output - -my $creationdate=localtime($content{'creationdate'}); -my $lastrevisiondate=localtime($content{'lastrevisiondate'}); + 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 $versiondisplay=''; +if ($thisversion) { + $versiondisplay='Version: '.$thisversion. + ' (most recent version: '.$currentversion.')'; +} else { + $versiondisplay='Version: '.$currentversion; +} +my $bodytag=&Apache::loncommon::bodytag + ('Catalog Information','','','',$resdomain); $r->print(<Catalog Information - -

Catalog Information

+$bodytag

$content{'title'}

-

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'} -
+

$disuri

+$versiondisplay
+ + + + + + + + + + + + + + + + + + + + + +
Author(s)$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($content{'author'}); @@ -157,41 +253,71 @@ ENDHEAD delete($content{'owner'}); delete($content{'copyright'}); if ($ENV{'user.adv'}) { - $r->print('

Dynamic Metadata (updated periodically)

'); +# ------------------------------------------------------------ Dynamic Metadata + $r->print( + '

Dynamic Metadata (updated periodically)

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

Access and Usage Statistics

'); + $r->print( +'

Access and Usage Statistics

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

Assessment Statistical Data

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

'); + $r->print('

Evaluation Data

'); foreach ('clear','depth','helpful','correct','technical') { - $r->print(''.$items{$_}.':'."
\n"); + $r->print( +'\n"); } - &Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//; + $r->print('
'.$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)

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

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

'); + my %errormsgs=&Apache::lonnet::dump('nohist_res_msgs',$1,$2); + foreach (keys %errormsgs) { + if ($_=~/^$disuri\_\d+$/) { + 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) { @@ -199,12 +325,12 @@ ENDHEAD my $display=&Apache::lonnet::metadata($uri,$name.'.display'); unless ($display) { $display=$name; }; my $otherinfo=''; - map { + foreach ('name','part','type','default') { if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) { $otherinfo.=' '.$_.'='. &Apache::lonnet::metadata($uri,$name.'.'.$_).'; '; } - } ('name','part','type','default'); + } $r->print(''.$display.': '.$content{$name}); if ($otherinfo) { $r->print(' ('.$otherinfo.')'); @@ -212,8 +338,78 @@ ENDHEAD $r->print("
\n"); } } - $r->print(''); - return OK; +# ===================================================== 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 +

$displayfile

+
+ENDEDIT + foreach ('author','title','subject','keywords','abstract','notes', + 'copyright','language') { + if ($ENV{'form.new_'.$_}) { + $Apache::lonpublisher::metadatafields{$_}=$ENV{'form.new_'.$_}; + } + $r->print( + &Apache::lonpublisher::textfield($_,'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'); + } + } + $r->print( + '

'); + return OK; + } } 1;