--- loncom/interface/lonmeta.pm 2004/04/14 21:22:44 1.71
+++ loncom/interface/lonmeta.pm 2007/01/02 11:38:28 1.191
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Metadata display handler
#
-# $Id: lonmeta.pm,v 1.71 2004/04/14 21:22:44 matthew Exp $
+# $Id: lonmeta.pm,v 1.191 2007/01/02 11:38:28 raeburn 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
#
@@ -31,21 +31,87 @@ 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);
+
+
+############################################################
+############################################################
+##
+## &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.'___';
@@ -104,7 +170,7 @@ sub authordisplay {
my ($aname,$adom)=@_;
return &Apache::loncommon::aboutmewrapper
(&Apache::loncommon::plainname($aname,$adom),
- $aname,$adom,'preview').' ['.$aname.'@'.$adom.']';
+ $aname,$adom,'preview').' ['.$aname.':'.$adom.']';
}
# Pretty display
@@ -155,19 +221,24 @@ sub diffgraph {
# The field names
sub fieldnames {
- return &Apache::lonlocal::texthash
- (
- 'title' => 'Title',
+ my $file_type=shift;
+ my %fields =
+ ('title' => 'Title',
'author' =>'Author(s)',
'authorspace' => 'Author Space',
'modifyinguser' => 'Last Modifying User',
'subject' => 'Subject',
+ 'standards' => 'Standards',
'keywords' => 'Keyword(s)',
'notes' => 'Notes',
'abstract' => 'Abstract',
'lowestgradelevel' => 'Lowest Grade Level',
- 'highestgradelevel' => 'Highest Grade Level',
- 'standards' => 'Standards',
+ 'highestgradelevel' => 'Highest Grade Level');
+
+ if ( !defined($file_type) || ($file_type ne 'portfolio' && $file_type ne 'groups') ) {
+ %fields =
+ (%fields,
+ 'domain' => 'Domain',
'mime' => 'MIME Type',
'language' => 'Language',
'creationdate' => 'Creation Date',
@@ -175,6 +246,8 @@ sub fieldnames {
'owner' => 'Publisher/Owner',
'copyright' => 'Copyright/Distribution',
'customdistributionfile' => 'Custom Distribution File',
+ 'sourceavail' => 'Source Available',
+ 'sourcerights' => 'Source Custom Distribution File',
'obsolete' => 'Obsolete',
'obsoletereplacement' => 'Suggested Replacement for Obsolete File',
'count' => 'Network-wide number of accesses (hits)',
@@ -193,14 +266,152 @@ sub fieldnames {
'technical' => 'Resource is technically correct',
'avetries' => 'Average number of tries till solved',
'stdno' => 'Total number of students who have worked on this problem',
- 'difficulty' => 'Degree of difficulty'
+ 'difficulty' => 'Degree of difficulty',
+ 'disc' => 'Degree of discrimination',
+ 'dependencies' => 'Resources used by this resource',
);
+ }
+ return &Apache::lonlocal::texthash(%fields);
}
+sub portfolio_linked_path {
+ my ($path,$group,$port_path) = @_;
+
+ 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 $result;
+}
+
+sub get_port_path_and_group {
+ my ($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"'
+ : '');
+
+ $output .= '
';
+ return ($output);
+}
# Pretty printing of metadata field
sub prettyprint {
- my ($type,$value)=@_;
+ my ($type,$value,$target,$prefix,$form,$noformat)=@_;
+# $target,$prefix,$form are optional and for filecrumbs only
if (! defined($value)) {
return ' ';
}
@@ -223,6 +434,10 @@ sub prettyprint {
if ($type eq 'copyright') {
return &Apache::loncommon::copyrightdescription($value);
}
+ # Copyright
+ if ($type eq 'sourceavail') {
+ return &Apache::loncommon::source_copyrightdescription($value);
+ }
# MIME
if ($type eq 'mime') {
return ' '.
@@ -233,7 +448,7 @@ sub prettyprint {
($type eq 'owner') ||
($type eq 'modifyinguser') ||
($type eq 'authorspace')) {
- $value=~s/(\w+)(\:|\@)(\w+)/&authordisplay($1,$3)/gse;
+ $value=~s/($match_username)(\:|\@)($match_domain)/&authordisplay($1,$3)/gse;
return $value;
}
# Gradelevel
@@ -242,7 +457,7 @@ sub prettyprint {
return &Apache::loncommon::gradeleveldescription($value);
}
# Only for advance users below
- if (! $ENV{'user.adv'}) {
+ if (! $env{'user.adv'}) {
return '- '.&mt('not displayed').' -';
}
# File
@@ -250,14 +465,29 @@ sub prettyprint {
($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).' '.
- ''.
- ''.$url.''.
- ''
- } split(/\s*\,\s*/,$value));
+ ($type eq 'sequsage_list') ||
+ ($type eq 'dependencies')) {
+ return ''.join("\n",map {
+ my $url = &Apache::lonnet::clutter_with_no_wrapper($_);
+ my $title = &Apache::lonnet::gettitle($url);
+ if ($title eq '') {
+ $title = 'Untitled';
+ if ($url =~ /\.sequence$/) {
+ $title .= ' Sequence';
+ } elsif ($url =~ /\.page$/) {
+ $title .= ' Page';
+ } elsif ($url =~ /\.problem$/) {
+ $title .= ' Problem';
+ } elsif ($url =~ /\.html$/) {
+ $title .= ' HTML document';
+ } elsif ($url =~ m:/syllabus$:) {
+ $title .= ' Syllabus';
+ }
+ }
+ $_ = '- '.$title.' '.
+ &Apache::lonhtmlcommon::crumbs($url,$target,$prefix,$form,'-1',$noformat).
+ '
'
+ } split(/\s*\,\s*/,$value)).'
';
}
# Evaluations
if (($type eq 'clear') ||
@@ -268,17 +498,32 @@ sub prettyprint {
return &evalgraph($value);
}
# Difficulty
- if ($type eq 'difficulty') {
+ if ($type eq 'difficulty' || $type eq 'disc') {
return &diffgraph($value);
}
# List of courses
if ($type=~/\_list/) {
- return join('
',map {
- my %courseinfo=&Apache::lonnet::coursedescription($_);
- ''.
- $courseinfo{'description'}.'';
- } split(/\s*\,\s*/,$value));
+ my @Courses = split(/\s*\,\s*/,$value);
+ my $Str='';
+ my %descriptions;
+ foreach my $course (@Courses) {
+ my %courseinfo =
+ &Apache::lonnet::coursedescription($course,
+ {'one_time' => 1});
+ if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') {
+ next;
+ }
+ $descriptions{join('\0',@courseinfo{'domain','description'})} .=
+ '- '.
+ $courseinfo{'description'}.' ('.$courseinfo{'domain'}.
+ ')
';
+ }
+ foreach my $course (sort {lc($a) cmp lc($b)} (keys(%descriptions))) {
+ $Str .= $descriptions{$course};
+ }
+
+ return $Str.'
';
}
# No pretty print found
return $value;
@@ -322,7 +567,74 @@ sub relatedfield {
sub prettyinput {
my ($type,$value,$fieldname,$formname,
- $relatedsearchflag,$relatedsep,$relatedvalue)=@_;
+ $relatedsearchflag,$relatedsep,$relatedvalue,$size,$course_key)=@_;
+ if (! defined($size)) {
+ $size = 80;
+ }
+ my $output;
+ if (defined($course_key)
+ && exists($env{$course_key.'.metadata.'.$type.'.options'})) {
+ my $stu_add;
+ my $only_one;
+ my %meta_options;
+ my @cur_values_inst;
+ my $cur_values_stu;
+ my $values = $env{$course_key.'.metadata.'.$type.'.values'};
+ if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/stuadd/) {
+ $stu_add = 'true';
+ }
+ if ($env{$course_key.'.metadata.'.$type.'.options'} =~ m/onlyone/) {
+ $only_one = 'true';
+ }
+ # need to take instructor values out of list where instructor and student
+ # values may be mixed.
+ if ($values) {
+ foreach my $item (split(/,/,$values)) {
+ $item =~ s/^\s+//;
+ $meta_options{$item} = $item;
+ }
+ foreach my $item (split(/,/,$value)) {
+ $item =~ s/^\s+//;
+ if ($meta_options{$item}) {
+ push(@cur_values_inst,$item);
+ } else {
+ $cur_values_stu .= $item.',';
+ }
+ }
+ } else {
+ $cur_values_stu = $value;
+ }
+ if ($type eq 'courserestricted') {
+ return (&select_course());
+ # return ('');
+ }
+ my $course = $env{'request.course.id'};
+ if (($type eq 'keywords') || ($type eq 'subject')
+ || ($type eq 'author')||($type eq 'notes')
+ || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards')
+ || (exists($env{'course.'.$env{'request.course.id'}.'.metadata.'.$type.'.added'}))) {
+ if ($values) {
+ if ($only_one) {
+ $output .= (&Apache::loncommon::select_form($cur_values_inst[0],'new_'.$type,%meta_options));
+ } else {
+ $output .= (&Apache::loncommon::multiple_select_form('new_'.$type,\@cur_values_inst,undef,\%meta_options));
+ }
+ }
+ if ($stu_add) {
+ $output .= ''.
+ &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname,
+ $relatedvalue);
+ }
+ return ($output);
+ }
+ if (($type eq 'lowestgradelevel') ||
+ ($type eq 'highestgradelevel')) {
+ return &Apache::loncommon::select_level_form($value,$fieldname).
+ &relatedfield(0,$relatedsearchflag,$relatedsep);
+ }
+ return();
+ }
# Language
if ($type eq 'language') {
return &selectbox($fieldname,
@@ -339,6 +651,14 @@ 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') ||
($type eq 'highestgradelevel')) {
@@ -367,6 +687,19 @@ sub prettyinput {
",'rights')\">".&mt('Select').''.
&relatedfield(0,$relatedsearchflag,$relatedsep);
}
+ # Source Customdistribution file
+ if ($type eq 'sourcerights') {
+ return '".&mt('Select').''.
+ &relatedfield(0,$relatedsearchflag,$relatedsep);
+ }
+ if ($type eq 'courserestricted') {
+ return (&select_course());
+ #return ('');
+ }
+
# Dates
if (($type eq 'creationdate') ||
($type eq 'lastrevisiondate')) {
@@ -378,9 +711,9 @@ 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);
@@ -389,47 +722,60 @@ sub prettyinput {
# Main Handler
sub handler {
my $r=shift;
- #
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['currentpath','changecourse']);
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;
- #
- $r->print(''.
- 'Catalog Information'.
- '');
+ my ($resdomain,$resuser)=
+ (&Apache::lonnet::declutter($uri)=~/^($match_domain)\/($match_username)\//);
if ($uri=~m:/adm/bombs/(.*)$:) {
- $r->print(&Apache::loncommon::bodytag('Error Messages'));
+ $r->print(&Apache::loncommon::start_page('Error Messages'));
# Looking for all bombs?
&report_bombs($r,$uri);
- } elsif ($uri=~/^\/\~/) {
+ } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/portfolio/|) {
+ ($resdomain,$resuser)=
+ (&Apache::lonnet::declutter($uri)=~m|^($match_domain)/($match_name)/portfolio|);
+ $r->print(&Apache::loncommon::start_page('Edit Portfolio File Catalog Information',
+ undef,
+ {'domain' => $resdomain,}));
+ if ($env{'form.store'}) {
+ &present_editable_metadata($r,$uri,'portfolio');
+ } else {
+ my $fn=&Apache::lonnet::filelocation('',$uri);
+ %Apache::lonpublisher::metadatafields=();
+ %Apache::lonpublisher::metadatakeys=();
+ my $result=&Apache::lonnet::getfile($fn);
+ &Apache::lonpublisher::metaeval($result);
+ &Apache::lonnet::logthis("restricted is: ".$Apache::lonpublisher::metadatafields{'courserestricted'});
+ if ((!$Apache::lonpublisher::metadatafields{'courserestricted'}) ||
+ ($env{'form.changecourse'} eq 'true')) {
+ &pre_select_course($r,$uri);
+ } else {
+ &present_editable_metadata($r,$uri,'portfolio');
+ }
+ }
+ } elsif ($uri=~m|^/editupload/[^/]+/[^/]+/groups/|) {
+ $r->print(&Apache::loncommon::start_page('Edit Group Portfolio File Catalog Information',
+ undef,
+ {'domain' => $resdomain,}));
+ &present_editable_metadata($r,$uri,'groups');
+ } elsif ($uri=~m|^/~|) {
# Construction space
- $r->print(&Apache::loncommon::bodytag
- ('Edit Catalog Information','','','',$resdomain));
+ $r->print(&Apache::loncommon::start_page('Edit Catalog nformation',
+ undef,
+ {'domain' => $resdomain,}));
&present_editable_metadata($r,$uri);
} else {
- $r->print(&Apache::loncommon::bodytag
- ('Catalog Information','','','',$resdomain));
+ $r->print(&Apache::loncommon::start_page('Catalog Information',
+ undef,
+ {'domain' => $resdomain,}));
&present_uneditable_metadata($r,$uri);
}
- $r->print('