--- loncom/interface/lonmeta.pm 2002/02/11 04:19:40 1.14
+++ loncom/interface/lonmeta.pm 2004/04/06 15:07:41 1.62
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Metadata display handler
#
-# $Id: lonmeta.pm,v 1.14 2002/02/11 04:19:40 harris41 Exp $
+# $Id: lonmeta.pm,v 1.62 2004/04/06 15:07:41 matthew Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -24,12 +24,7 @@
# /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;
@@ -37,6 +32,16 @@ use strict;
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;
+
+# MySQL table columns
+
+my @columns;
# ----------------------------------------- Fetch and evaluate dynamic metadata
@@ -44,15 +49,18 @@ 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,$regexp);
- my %sum;
- my %cnt;
- my %listitems=('count' => 'add',
+ my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
+ $aauthor,$regexp);
+ my %sum=();
+ my %cnt=();
+ my %concat=();
+ my %listitems=(
'course' => 'add',
+ 'goto' => 'add',
+ 'comefrom' => 'add',
'avetries' => 'avg',
'stdno' => 'add',
'difficulty' => 'avg',
@@ -64,27 +72,30 @@ sub dynamicmeta {
'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{$_};
+ while ($_=each(%evaldata)) {
+ my ($item,$purl,$cat)=split(/___/,$_);
+ ### Apache->request->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{$1}=$evaldata{$_};
+ $sum{$cat}=$evaldata{$_};
+ $concat{$cat}=$item;
}
} else {
- if (defined($sum{$1})) {
+ if (defined($sum{$cat})) {
if ($evaldata{$_}) {
- $sum{$1}.='
'.$evaldata{$_};
+ $sum{$cat}.='
'.$evaldata{$_};
}
} else {
- $sum{$1}=''.$evaldata{$_};
+ $sum{$cat}=''.$evaldata{$_};
}
}
}
my %returnhash=();
- foreach (keys %cnt) {
+ while ($_=each(%cnt)) {
if ($listitems{$_} eq 'avg') {
$returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0;
} elsif ($listitems{$_} eq 'cnt') {
@@ -92,10 +103,56 @@ sub dynamicmeta {
} else {
$returnhash{$_}=$sum{$_};
}
+ $returnhash{$_.'_list'}=$concat{$_};
+ ### Apache->request->print("\n
".$_.': '.$returnhash{$_}.'
'.$returnhash{$_.'_list'});
}
+ #
+ # Deal with 'count' separately
+ $returnhash{'count'} = &access_count($url,$aauthor,$adomain);
+ # since "usage" is reserved word in MySQL ...
+ $returnhash{'sequsage'}=$returnhash{'usage'};
+ $returnhash{'sequsage_list'}=$returnhash{'usage_list'};
+
return %returnhash;
}
+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 $alttag; } else
+ { return &mt('No information available'); }
+}
+
+# -------------------------------------------------------------- Author display
+
+sub authordisplay {
+ my ($aname,$adom)=@_;
+ return &Apache::loncommon::aboutmewrapper(
+ &Apache::loncommon::plainname($aname,$adom),
+ $aname,$adom,'preview').' ['.$aname.'@'.$adom.']';
+}
+
# -------------------------------------------------------------- Pretty display
sub evalgraph {
@@ -138,163 +195,542 @@ sub diffgraph {
return $output;
}
+# ==================================================== Turn MySQL row into hash
+
+sub metadata_col_to_hash {
+ my @cols=@_;
+ my %hash=();
+ for (my $i=0; $i<=$#columns; $i++) {
+ $hash{$columns[$i]}=$cols[$i];
+ }
+ return %hash;
+}
+
+# ============================================================= The field names
+
+sub fieldnames {
+ return &Apache::lonlocal::texthash(
+ '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',
+ 'standards' => 'Standards',
+ 'mime' => 'MIME Type',
+ 'language' => 'Language',
+ 'creationdate' => 'Creation Date',
+ 'lastrevisiondate' => 'Last Revision Date',
+ 'owner' => 'Publisher/Owner',
+ 'copyright' => 'Copyright/Distribution',
+ 'customdistributionfile' => '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'
+ );
+}
+
+# =========================================== Pretty printing of metadata field
+
+sub prettyprint {
+ my ($type,$value)=@_;
+ unless (defined($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);
+ }
+# 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
+ unless ($ENV{'user.adv'}) { return '- '.&mt('not displayed').' -' };
+# File
+ if (($type eq 'customdistributionfile') ||
+ ($type eq 'obsoletereplacement') ||
+ ($type eq 'goto_list') ||
+ ($type eq 'comefrom_list') ||
+ ($type eq 'sequsage_list')) {
+ return join('
',map {
+ my $url=&Apache::lonnet::clutter($_);
+ ''.&Apache::lonnet::gettitle($url).''.
+ &Apache::lonhtmlcommon::crumbs($url,'preview','',undef,'+0');
+ } split(/\s*\,\s*/,$value));
+ }
+# Evaluations
+ if (($type eq 'clear') ||
+ ($type eq 'depth') ||
+ ($type eq 'helpful') ||
+ ($type eq 'correct') ||
+ ($type eq 'technical')) {
+ return &evalgraph($value);
+ }
+# Difficulty
+ if ($type eq 'difficulty') {
+ return &diffgraph($value);
+ }
+# List of courses
+ if ($type=~/\_list/) {
+ return join('
',map {
+ my %courseinfo=&Apache::lonnet::coursedescription($_);
+ ''.
+ $courseinfo{'description'}.'';
+ } split(/\s*\,\s*/,$value));
+ }
+# No pretty print found
+ return $value;
+}
+# ============================================== Pretty input of metadata field
+
+sub direct {
+ return shift;
+}
+
+sub selectbox {
+ my ($name,$value,$functionref,@idlist)=@_;
+ unless (defined($functionref)) { $functionref=\&direct; }
+ my $selout='';
+}
+
+sub relatedfield {
+ my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
+ unless ($relatedsearchflag) { return ''; }
+ unless (defined($relatedsep)) { $relatedsep=' '; }
+ unless ($show) { return $relatedsep.' '; }
+ return $relatedsep.'';
+}
+
+sub prettyinput {
+ my ($type,$value,$fieldname,$formname,
+ $relatedsearchflag,$relatedsep,$relatedvalue)=@_;
+# Language
+ if ($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,$relatedsep);
+ }
+# Gradelevels
+ if (($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);
+ }
+# 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;
+ $value=~s/\"/\&quod\;/gs;
+ return
+ ''.
+ &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue);
+}
+
# ================================================================ Main Handler
sub handler {
my $r=shift;
+
+ my $loaderror=&Apache::lonnet::overloaderror($r);
+ if ($loaderror) { return $loaderror; }
+
+
+ my $uri=$r->uri;
+
+# ====================================================== Looking for all bombs?
+ if ($uri=~/\/adm\/bombs\/(.*)$/) {
+# ----------------------------------------------------------- Set document type
+ $uri=&Apache::lonnet::declutter($1);
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+
+ return OK if $r->header_only;
+ $r->print(&Apache::loncommon::bodytag('Error Messages'));
+ $r->print(''.&Apache::lonnet::clutter($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/) {
+ $r->print(&Apache::lonhtmlcommon::crumbs(&Apache::lonnet::clutter($_)).
+ &Apache::lonmsg::retrieve_author_res_msg($_).'
');
+ }
+ }
+ } else {
+ $r->print(&mt('Not authorized'));
+ }
+ $r->print('