--- loncom/interface/lonmeta.pm 2003/03/14 02:26:12 1.27 +++ loncom/interface/lonmeta.pm 2007/05/12 23:04:07 1.207 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Metadata display handler # -# $Id: lonmeta.pm,v 1.27 2003/03/14 02:26:12 www Exp $ +# $Id: lonmeta.pm,v 1.207 2007/05/12 23:04:07 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -17,417 +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 %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}.='
  | '; + $output.='  | '; } else { - $output.=''. - ' | '; + $output.=' | '. + ' | '; } $output.=' | '; if ($val>20) { - $output.=' | '. - ' | '; + $output.=' | '. + ' | '; } else { - $output.=' |   | '; + $output.='  | '; } - $output.='('.$value.') |
'; + $output.=' | '; } else { - $output.=' | '; + $output.=' | '; } } - $output.=' | ('.$value.') |
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 | -$content{'copyright'}
+#####################################################
+#####################################################
+### ###
+### Report Bombs ###
+### ###
+#####################################################
+#####################################################
+sub report_bombs {
+ my ($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(<'); + } + } + } 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) { + $table.=''.$lt{$field}.
+ ' | '.
+ &prettyprint($field,$content{$field}).' |
+$disuri 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); - $r->print( -' |
'.$items{$_}.' | '. -$dynmeta{$_}." |
'.$items{$_}.' | '. -$dynmeta{$_}." |
'.$items{$_}.' | '. -&diffgraph($dynmeta{$_})." |
'.$items{$_}.' | '. -&evalgraph($dynmeta{$_})." |
'.$dynmeta{'comments'}.''); - $r->print( - '
'.$lt{$_}.' | '. + ''. + &prettyprint($_,$dynmeta{$_})." |
'.$lt{'stdno'}.' | '. + ''. + &prettyprint('stdno',$dynmeta{'stdno'}). + ' | '."
'.$lt{$_}.' | '. + ''. + &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})). + ' | '."
'.&mt('Course').' | '. + ''.&mt('Section(s)').' | '. + ''.&mt('Num Student').'s | '. + ''.&mt('Mean Tries').' | '. + ''.&mt('Degree of Difficulty').' | '. + ''.&mt('Degree of Discrimination').' | '. + ''.&mt('Time of computation').' | '. + '
---|---|---|---|---|---|---|
'.$data->{'sections'}.' | '; + $table .= + ''.$data->{'stdno'}.' | '; + foreach ('avetries','difficulty','disc') { + $table .= ''; + if (exists($data->{$_})) { + $table .= sprintf('%.2f',$data->{$_}).' '; + } else { + $table .= ''; + } + $table .= ' | '; + } + $table .= + '
'.$lt{$_}.' | '. + ''. + &prettyprint($_,$dynmeta{$_})." |
'.$dynmeta{'comments'}.''); + } else { + $r->print('
'.$display.' | '.$content{$name}); + if ($otherinfo) { + $r->print(' ('.$otherinfo.')'); + } + $r->print(" |