--- loncom/interface/lonmeta.pm 2004/04/15 18:06:29 1.72 +++ loncom/interface/lonmeta.pm 2004/06/17 15:05:59 1.81 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Metadata display handler # -# $Id: lonmeta.pm,v 1.72 2004/04/15 18:06:29 matthew Exp $ +# $Id: lonmeta.pm,v 1.81 2004/06/17 15:05:59 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -41,6 +41,86 @@ 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', + 'goto','goto_list', + 'comefrom','comefrom_list', + 'sequsage','sequsage_list', + 'stdno','stdno_list', + '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 sub dynamicmeta { my $url=&Apache::lonnet::declutter(shift); @@ -175,6 +255,8 @@ sub fieldnames { 'owner' => 'Publisher/Owner', 'copyright' => 'Copyright/Distribution', 'customdistributionfile' => 'Custom Distribution File', + 'sourceavail' => 'Source Availible', + 'sourcerights' => 'Source Custom Distribution File', 'obsolete' => 'Obsolete', 'obsoletereplacement' => 'Suggested Replacement for Obsolete File', 'count' => 'Network-wide number of accesses (hits)', @@ -193,7 +275,8 @@ sub fieldnames { 'technical' => 'Resource is technically correct', 'avetries' => 'Average number of tries till solved', 'stdno' => 'Total number of students who have worked on this problem', - 'difficulty' => 'Degree of difficulty' + 'difficulty' => 'Degree of difficulty', + 'disc' => 'Degree of discrimination', ); } @@ -223,6 +306,10 @@ sub prettyprint { if ($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 ' '. @@ -283,7 +370,7 @@ sub prettyprint { return &evalgraph($value); } # Difficulty - if ($type eq 'difficulty') { + if ($type eq 'difficulty' || $type eq 'disc') { return &diffgraph($value); } # List of courses @@ -344,7 +431,10 @@ sub relatedfield { sub prettyinput { my ($type,$value,$fieldname,$formname, - $relatedsearchflag,$relatedsep,$relatedvalue)=@_; + $relatedsearchflag,$relatedsep,$relatedvalue,$size)=@_; + if (! defined($size)) { + $size = 80; + } # Language if ($type eq 'language') { return &selectbox($fieldname, @@ -361,6 +451,14 @@ sub prettyinput { (&Apache::loncommon::copyrightids)). &relatedfield(0,$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') || ($type eq 'highestgradelevel')) { @@ -389,6 +487,14 @@ sub prettyinput { ",'rights')\">".&mt('Select').''. &relatedfield(0,$relatedsearchflag,$relatedsep); } + # Source Customdistribution file + if ($type eq 'sourcerights') { + return '".&mt('Select').''. + &relatedfield(0,$relatedsearchflag,$relatedsep); + } # Dates if (($type eq 'creationdate') || ($type eq 'lastrevisiondate')) { @@ -400,9 +506,9 @@ sub prettyinput { $value=~s/^\s+//gs; $value=~s/\s+$//gs; $value=~s/\s+/ /gs; - $value=~s/\"/\&quod\;/gs; + $value=~s/\"/\"\;/gs; return - ''. &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname, $relatedvalue); @@ -414,26 +520,13 @@ sub handler { # my $uri=$r->uri; # - # Check to see if this server is overloaded - my $loaderror=&Apache::lonnet::overloaderror($r); - if ($loaderror) { - return $loaderror; - } - # - # Check to see if original resource server is overloaded - my ($resdomain,$resuser)= - (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//); - $loaderror=&Apache::lonnet::overloaderror - ($r,&Apache::lonnet::homeserver($resuser,$resdomain)); - if ($loaderror) { - return $loaderror; - } - # # Set document type &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; # + my ($resdomain,$resuser)= + (&Apache::lonnet::declutter($uri)=~/^(\w+)\/(\w+)\//); $r->print(''. 'Catalog Information'. ''); @@ -551,7 +644,9 @@ sub present_uneditable_metadata { 'lastrevisiondate', 'owner', 'copyright', - 'customdistributionfile', + 'customdistributionfile', + 'sourceavail', + 'sourcerights', 'obsolete', 'obsoletereplacement') { $table.=''.$lt{$_}. @@ -613,23 +708,88 @@ sub print_dynamic_metadata { } # # Assessment statistics - if ($uri=~/\.(problem|exam|quiz|assess|survey|form)$/ && - (exists($dynmeta{'stdno'}) || - exists($dynmeta{'avetries'}) || - exists($dynmeta{'difficulty'}))) { - # This is an assessment, print assessment data - $r->print('

'.&mt('Assessment Statistical Data').'

'. - ''); - foreach ('stdno','avetries','difficulty') { - $r->print(''. + if ($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'). + '

'. + '
'.$lt{$_}.'
'); + $r->print(''. ''. - "\n"); + &prettyprint('stdno',$dynmeta{'stdno'}). + ''."\n"); + foreach ('avetries','difficulty','disc') { + $r->print(''. + ''."\n"); + } + $r->print('
'.$lt{'stdno'}.''. - &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})).'
'.$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.'); } - $r->print(''); } else { - $r->print('

'.&mt('No Assessment Statistical Data is available for this resource').'

'); + $r->print('

'. + &mt('No Assessment Statistical Data is available for this resource'). + '

'); } + + # + # if (exists($dynmeta{'clear'}) || exists($dynmeta{'depth'}) || exists($dynmeta{'helpful'}) || @@ -670,7 +830,7 @@ sub print_dynamic_metadata { # All other stuff $r->print('

'. &mt('Additional Metadata (non-standard, parameters, exports)'). - '

'); + ''); foreach (sort(keys(%content))) { my $name=$_; if ($name!~/\.display$/) { @@ -688,13 +848,14 @@ sub print_dynamic_metadata { $name.'.'.$_).'; '; } } - $r->print(''.$display.': '.$content{$name}); + $r->print('\n"); } } + $r->print("
'.$display.''.$content{$name}); if ($otherinfo) { $r->print(' ('.$otherinfo.')'); } - $r->print("
\n"); + $r->print("
"); return; } @@ -759,7 +920,7 @@ ENDEDIT foreach ('author','title','subject','keywords','abstract','notes', 'copyright','customdistributionfile','language', 'standards', - 'lowestgradelevel','highestgradelevel', + 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights', 'obsolete','obsoletereplacement') { if (defined($ENV{'form.new_'.$_})) { $Apache::lonpublisher::metadatafields{$_}=