--- loncom/interface/lonmeta.pm 2003/02/18 22:39:18 1.26
+++ loncom/interface/lonmeta.pm 2004/04/13 14:42:24 1.64
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Metadata display handler
#
-# $Id: lonmeta.pm,v 1.26 2003/02/18 22:39:18 www Exp $
+# $Id: lonmeta.pm,v 1.64 2004/04/13 14:42:24 matthew Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -24,24 +24,27 @@
# /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;
+
+# MySQL table columns
-# ----------------------------------------- Fetch and evaluate dynamic metadata
+my @columns;
+# Fetch and evaluate dynamic metadata
sub dynamicmeta {
my $url=&Apache::lonnet::declutter(shift);
$url=~s/\.meta$//;
@@ -51,72 +54,54 @@ sub dynamicmeta {
$regexp='___'.$regexp.'___';
my %evaldata=&Apache::lonnet::dump('nohist_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{$_};
- }
- }
- }
- my %returnhash=();
- foreach (keys %cnt) {
- if ($listitems{$_} eq 'avg') {
- $returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0;
- } elsif ($listitems{$_} eq 'cnt') {
- $returnhash{$_}=$cnt{$_};
- } else {
- $returnhash{$_}=$sum{$_};
- }
- }
- return %returnhash;
+ 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);
+ 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 $alttag;
+ } else {
+ return &mt('No information available');
+ }
}
-# -------------------------------------------------------------- Pretty display
+# Author display
+sub authordisplay {
+ my ($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 ''; }
@@ -133,7 +118,7 @@ sub evalgraph {
$output.=' | '.
' | ';
} else {
- $output.=' | ';
+ $output.=' | ';
}
$output.=' ('.$value.') | ';
return $output;
@@ -157,277 +142,559 @@ sub diffgraph {
return $output;
}
-# ================================================================ Main Handler
-
-sub handler {
- my $r=shift;
-
- my $loaderror=&Apache::lonnet::overloaderror($r);
- if ($loaderror) { return $loaderror; }
-
+# 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;
+}
- my $uri=$r->uri;
+# 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'
+ );
+}
- 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 $loaderror; }
+# Pretty printing of metadata field
- my %content=();
+sub prettyprint {
+ my ($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;
+}
-# ----------------------------------------------------------- Set document type
+# Pretty input of metadata field
+sub direct {
+ return shift;
+}
- $r->content_type('text/html');
- $r->send_http_header;
+sub selectbox {
+ my ($name,$value,$functionref,@idlist)=@_;
+ unless (defined($functionref)) { $functionref=\&direct; }
+ my $selout='';
+}
- return OK if $r->header_only;
+sub relatedfield {
+ my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_;
+ unless ($relatedsearchflag) { return ''; }
+ unless (defined($relatedsep)) { $relatedsep=' '; }
+ unless ($show) { return $relatedsep.' '; }
+ return $relatedsep.'';
+}
-# ------------------------------------------------------------------- Read file
- foreach (split(/\,/,&Apache::lonnet::metadata($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 $versiondisplay='';
-if ($thisversion) {
- $versiondisplay='Version: '.$thisversion.
- ' (most recent version: '.$currentversion.')';
-} else {
- $versiondisplay='Version: '.$currentversion;
+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);
}
-my $bodytag=&Apache::loncommon::bodytag
+
+# 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('