--- loncom/interface/lonmeta.pm 2004/01/04 00:28:22 1.57
+++ loncom/interface/lonmeta.pm 2008/11/20 15:19:39 1.216
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Metadata display handler
#
-# $Id: lonmeta.pm,v 1.57 2004/01/04 00:28:22 www Exp $
+# $Id: lonmeta.pm,v 1.216 2008/11/20 15:19:39 jms Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -17,7 +17,7 @@
# 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
#
@@ -29,91 +29,92 @@
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::lonhtmlcommon();
use Apache::lonmsg;
use Apache::lonpublisher;
use Apache::lonlocal;
use Apache::lonmysql;
use Apache::lonmsg;
+use LONCAPA qw(:DEFAULT :match);
-# MySQL table columns
-my @columns;
+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
+# 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 %concat=();
- my %listitems=(
- 'course' => 'add',
- 'goto' => 'add',
- 'comefrom' => 'add',
- 'avetries' => 'avg',
- 'stdno' => 'add',
- 'difficulty' => 'avg',
- 'clear' => 'avg',
- 'technical' => 'avg',
- 'helpful' => 'avg',
- 'correct' => 'avg',
- 'depth' => 'avg',
- 'comments' => 'app',
- 'usage' => 'cnt'
- );
- 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 {
- $sum{$cat}=$evaldata{$_};
- $concat{$cat}=$item;
- }
- } else {
- if (defined($sum{$cat})) {
- if ($evaldata{$_}) {
- $sum{$cat}.='
'.$evaldata{$_};
- }
- } else {
- $sum{$cat}=''.$evaldata{$_};
- }
- }
- }
- my %returnhash=();
- while ($_=each(%cnt)) {
- if ($listitems{$_} eq 'avg') {
- $returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0;
- } elsif ($listitems{$_} eq 'cnt') {
- $returnhash{$_}=$cnt{$_};
- } else {
- $returnhash{$_}=$sum{$_};
- }
- $returnhash{$_.'_list'}=$concat{$_};
- ### Apache->request->print("\n".$_.': '.$returnhash{$_}.' '.$returnhash{$_.'_list'});
- }
+ my %DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata);
+ my %Data = &LONCAPA::lonmetadata::process_dynamic_metadata($url,
+ \%DynamicData);
#
# 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;
+ $Data{'count'} = &access_count($url,$aauthor,$adomain);
+ #
+ # Debugging code I will probably need later
+ if (0) {
+ &Apache::lonnet::logthis('Dynamic Metadata');
+ while(my($k,$v)=each(%Data)){
+ &Apache::lonnet::logthis(' "'.$k.'"=>"'.$v.'"');
+ }
+ &Apache::lonnet::logthis('-------------------');
+ }
+ return %Data;
}
sub access_count {
@@ -127,186 +128,383 @@ sub access_count {
}
}
-# ------------------------------------- Try to make an alt tag if there is none
-
+# 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 $alttag; } else
- { return &mt('No information available'); }
+ if ($alttag) {
+ return $alttag;
+ } else {
+ return &mt('No information available');
+ }
}
-# -------------------------------------------------------------- Author display
-
+# Author display
sub authordisplay {
my ($aname,$adom)=@_;
- return &Apache::loncommon::aboutmewrapper(
- &Apache::loncommon::plainname($aname,$adom),
- $aname,$adom,'preview').' ['.$aname.'@'.$adom.']';
+ return &Apache::loncommon::aboutmewrapper
+ (&Apache::loncommon::plainname($aname,$adom),
+ $aname,$adom,'preview').' ['.$aname.':'.$adom.']';
}
-# -------------------------------------------------------------- Pretty display
-
+# Pretty display
sub evalgraph {
my $value=shift;
- unless ($value) { return ''; }
+ if (! $value) {
+ return '';
+ }
my $val=int($value*10.+0.5)-10;
- my $output='
';
+ my $output='
';
if ($val>=20) {
- $output.='
 
';
+ $output.='
 
';
} else {
- $output.='
'.
- '
';
+ $output.='
'.
+ '
';
}
$output.='
';
if ($val>20) {
- $output.='
'.
- '
';
+ $output.='
'.
+ '
';
} else {
- $output.='
 
';
+ $output.='
 
';
}
- $output.='
('.$value.')
';
+ $output.='
('.sprintf("%5.2f",$value).')
';
return $output;
}
sub diffgraph {
my $value=shift;
- unless ($value) { return ''; }
+ if (! $value) {
+ return '';
+ }
my $val=int(40.0*$value+0.5);
my @colors=('#FF9933','#EEAA33','#DDBB33','#CCCC33',
'#BBDD33','#CCCC33','#DDBB33','#EEAA33');
- my $output='
';
+ my $output='
';
for (my $i=0;$i<8;$i++) {
if ($val>$i*5) {
- $output.='
';
+ $output.='
';
} else {
- $output.='
';
+ $output.='
';
}
}
- $output.='
('.$value.')
';
+ $output.='
('.sprintf("%3.2f",$value).')
';
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];
+# The field names
+sub fieldnames {
+ my $file_type=shift;
+ my %fields =
+ ('title' => 'Title',
+ 'author' =>'Author(s)',
+ 'authorspace' => 'Author Space',
+ 'modifyinguser' => 'Last Modifying User',
+ 'subject' => 'Subject',
+ 'standards' => 'Standards',
+ 'keywords' => 'Keyword(s)',
+ 'notes' => 'Notes',
+ 'abstract' => 'Abstract',
+ 'lowestgradelevel' => 'Lowest Grade Level',
+ 'highestgradelevel' => 'Highest Grade Level');
+
+ if ( !defined($file_type) || ($file_type ne 'portfolio' && $file_type ne 'groups') ) {
+ %fields =
+ (%fields,
+ 'domain' => 'Domain',
+ 'mime' => 'MIME Type',
+ 'language' => 'Language',
+ 'creationdate' => 'Creation Date',
+ 'lastrevisiondate' => 'Last Revision Date',
+ 'owner' => 'Publisher/Owner',
+ 'copyright' => 'Copyright/Distribution',
+ 'customdistributionfile' => 'Custom Distribution File',
+ 'sourceavail' => 'Source Available',
+ 'sourcerights' => 'Source Custom Distribution File',
+ 'obsolete' => 'Obsolete',
+ 'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
+ 'count' => 'Network-wide number of accesses (hits)',
+ 'course' => 'Network-wide number of courses using resource',
+ 'course_list' => 'Network-wide courses using resource',
+ 'sequsage' => 'Number of resources using or importing resource',
+ 'sequsage_list' => 'Resources using or importing resource',
+ 'goto' => 'Number of resources that follow this resource in maps',
+ 'goto_list' => 'Resources that follow this resource in maps',
+ 'comefrom' => 'Number of resources that lead up to this resource in maps',
+ 'comefrom_list' => 'Resources that lead up to this resource in maps',
+ 'clear' => 'Material presented in clear way',
+ 'depth' => 'Material covered with sufficient depth',
+ 'helpful' => 'Material is helpful',
+ 'correct' => 'Material appears to be correct',
+ 'technical' => 'Resource is technically correct',
+ 'avetries' => 'Average number of tries till solved',
+ 'stdno' => 'Statistics calculated for number of students',
+ 'difficulty' => 'Degree of difficulty',
+ 'disc' => 'Degree of discrimination',
+ 'dependencies' => 'Resources used by this resource',
+ );
}
- return %hash;
+ return &Apache::lonlocal::texthash(%fields);
}
-# ============================================================= The field names
+sub portfolio_linked_path {
+ my ($path,$group,$port_path) = @_;
-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'
- );
+ my $start = 'portfolio';
+ if ($group) {
+ $start = "groups/$group/".$start;
+ }
+ my %anchor_fields = (
+ 'selectfile' => $start,
+ 'currentpath' => '/'
+ );
+ my $result = &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$start);
+ my $fullpath = '/';
+ my (undef,@tree) = split('/',$path);
+ my $filename = pop(@tree);
+ foreach my $dir (@tree) {
+ $fullpath .= $dir.'/';
+ $result .= '/';
+ my %anchor_fields = (
+ 'selectfile' => $dir,
+ 'currentpath' => $fullpath
+ );
+ $result .= &Apache::portfolio::make_anchor($port_path,\%anchor_fields,$dir);
+ }
+ $result .= "/$filename";
+ return $result;
}
-# =========================================== Pretty printing of metadata field
+sub get_port_path_and_group {
+ my ($uri)=@_;
+
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+
+ my ($port_path,$group);
+ if ($uri =~ m{^/editupload/\Q$cdom\E/\Q$cnum\E/groups/}) {
+ $group = (split('/',$uri))[5];
+ $port_path = '/adm/coursegrp_portfolio';
+ } else {
+ $port_path = '/adm/portfolio';
+ }
+ if ($env{'form.group'} ne $group) {
+ $env{'form.group'} = $group;
+ }
+ return ($port_path,$group);
+}
+
+sub portfolio_display_uri {
+ my ($uri,$as_links)=@_;
+
+ my ($port_path,$group) = &get_port_path_and_group($uri);
+
+ $uri =~ s|.*/(portfolio/.*)$|$1|;
+ my ($res_uri,$meta_uri) = ($uri,$uri);
+ if ($uri =~ /\.meta$/) {
+ $res_uri =~ s/\.meta//;
+ } else {
+ $meta_uri .= '.meta';
+ }
+
+ my ($path) = ($res_uri =~ m|^portfolio(.*/)[^/]*$|);
+ if ($as_links) {
+ $res_uri = &portfolio_linked_path($res_uri,$group,$port_path);
+ $meta_uri = &portfolio_linked_path($meta_uri,$group,$port_path);
+ }
+ return ($res_uri,$meta_uri,$path);
+}
+
+sub pre_select_course {
+ my ($r,$uri) = @_;
+ my $output;
+ my $fn=&Apache::lonnet::filelocation('',$uri);
+ my ($res_uri,$meta_uri,$path) = &portfolio_display_uri($uri);
+ %Apache::lonpublisher::metadatafields=();
+ %Apache::lonpublisher::metadatakeys=();
+ my $result=&Apache::lonnet::getfile($fn);
+ if ($result == -1){
+ $r->print(&mt('Creating new file [_1]'),$meta_uri);
+ } else {
+ &Apache::lonpublisher::metaeval($result);
+ }
+ $r->print('');
+
+ my ($port_path,$group) = &get_port_path_and_group($uri);
+ my $group_input;
+ if ($group) {
+ $group_input = '';
+ }
+ $r->print('
');
+
+ return;
+}
+sub select_course {
+ my $output=$/;
+ my $current_restriction=
+ $Apache::lonpublisher::metadatafields{'courserestricted'};
+ my $selected = ($current_restriction eq 'none' ? 'selected="selected"'
+ : '');
+ if ($current_restriction =~ /^course\.($match_domain\_$match_courseid)$/) {
+ my $assoc_crs = $1;
+ my $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs);
+ if (ref($added_metadata_fields) eq 'HASH') {
+ if (keys(%{$added_metadata_fields}) > 0) {
+ my $transfernotes;
+ foreach my $field_name (keys(%{$added_metadata_fields})) {
+ my $value = $Apache::lonpublisher::metadatafields{$field_name};
+ if ($value) {
+ $transfernotes .=
+ &Apache::loncommon::start_data_table_row().
+ '
'.
+ $field_name.'
'.$value.'
'.
+ &Apache::loncommon::end_data_table_row();
+ }
+ }
+ if ($transfernotes ne '') {
+ my %courseinfo = &Apache::lonnet::coursedescription($assoc_crs,{'one_time' => 1});
+ my $assoc_crs_description = $courseinfo{'description'};
+ $output .= &mt('This resource is currently associated with a course ([_1]) which includes added metadata fields specific to the course.',$assoc_crs_description).' '."\n".
+ &mt('You can choose to transfer data from the added fields to the "Notes" field if you are planning to change the course association.').'
';
}
-# No pretty print found
+ # No pretty print found
return $value;
}
-# ============================================== Pretty input of metadata field
+# Pretty input of metadata field
sub direct {
return shift;
}
sub selectbox {
my ($name,$value,$functionref,@idlist)=@_;
- unless (defined($functionref)) { $functionref=\&direct; }
+ if (! defined($functionref)) {
+ $functionref=\&direct;
+ }
my $selout='