--- loncom/interface/lonmeta.pm 2005/04/07 06:56:23 1.96 +++ loncom/interface/lonmeta.pm 2009/03/21 21:37:13 1.227 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Metadata display handler # -# $Id: lonmeta.pm,v 1.96 2005/04/07 06:56:23 albertel Exp $ +# $Id: lonmeta.pm,v 1.227 2009/03/21 21:37:13 bisitz 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 # @@ -33,35 +33,18 @@ use LONCAPA::lonmetadata(); use Apache::Constants qw(:common); 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/(\w+)/(\w+)/:); + my ($authordom,$author)=($url=~m{^/res/($match_domain)/($match_username)/}); if (! defined($authordom)) { $authordom = shift(); } @@ -71,20 +54,7 @@ sub get_dynamic_metadata_from_sql { if (! defined($authordom) || ! defined($author)) { return (); } - my @Fields = ('url','count','course', - 'goto','goto_list', - 'comefrom','comefrom_list', - 'sequsage','sequsage_list', - 'stdno','stdno_list', - 'dependencies', - '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 $query = 'SELECT * FROM metadata WHERE url LIKE "'.$url.'%"'; my $server = &Apache::lonnet::homeserver($author,$authordom); my $reply = &Apache::lonnet::metadata_query($query,undef,undef, ,[$server]); @@ -106,13 +76,10 @@ sub get_dynamic_metadata_from_sql { 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]; + 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; @@ -126,7 +93,7 @@ sub get_dynamic_metadata_from_sql { 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.'___'; @@ -185,7 +152,7 @@ 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 @@ -197,7 +164,7 @@ sub evalgraph { my $val=int($value*10.+0.5)-10; my $output=''; if ($val>=20) { - $output.=''; + $output.=''; } else { $output.=''. ''; @@ -207,7 +174,7 @@ sub evalgraph { $output.=''. ''; } else { - $output.=''; + $output.=''; } $output.='
  '.(' ' x2).'      '.(' ' x2).' ('.sprintf("%5.2f",$value).')
'; return $output; @@ -243,16 +210,17 @@ sub fieldnames { 'authorspace' => 'Author Space', 'modifyinguser' => 'Last Modifying User', 'subject' => 'Subject', + 'standards' => 'Standards', 'keywords' => 'Keyword(s)', 'notes' => 'Notes', 'abstract' => 'Abstract', 'lowestgradelevel' => 'Lowest Grade Level', 'highestgradelevel' => 'Highest Grade Level'); - if (! defined($file_type) || $file_type ne 'portfolio') { + + if ( !defined($file_type) || ($file_type ne 'portfolio' && $file_type ne 'groups') ) { %fields = (%fields, 'domain' => 'Domain', - 'standards' => 'Standards', 'mime' => 'MIME Type', 'language' => 'Language', 'creationdate' => 'Creation Date', @@ -279,15 +247,181 @@ sub fieldnames { 'correct' => 'Material appears to be correct', 'technical' => 'Resource is technically correct', 'avetries' => 'Average number of tries till solved', - 'stdno' => 'Total number of students who have worked on this problem', + 'stdno' => 'Statistics calculated for number of students', 'difficulty' => 'Degree of difficulty', 'disc' => 'Degree of discrimination', - 'dependencies' => 'Resources used by this resource', + 'dependencies' => 'Resources used by this resource', ); } return &Apache::lonlocal::texthash(%fields); } +sub portfolio_linked_path { + my ($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('
'); + $r->print('

'.&mt('If you would like to associate this resource ([_1]) with a current or previous course, please select one from the list below, otherwise select, "None".',''.$res_uri.'').'

'); + $output = &select_course(); + $r->print($output.'
'); + $r->print(''); + $r->print(''); + $r->print('
'); + + my ($port_path,$group) = &get_port_path_and_group($uri); + my $group_input; + if ($group) { + $group_input = ''; + } + $r->print('

'. + ''. + $group_input. + ''. + '
'); + + 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.').'

'. + &Apache::loncommon::start_data_table(). + &Apache::loncommon::start_data_table_header_row(). + 'Copy to notes?'."\n". + 'Field name'."\n". + 'Values'."\n". + &Apache::loncommon::end_data_table_header_row(). + $transfernotes. + &Apache::loncommon::end_data_table().'
'; + } + } + } + } + $output .= '
'; + return ($output); +} # Pretty printing of metadata field sub prettyprint { @@ -298,7 +432,7 @@ sub prettyprint { } # Title if ($type eq 'title') { - return ''.$value.''; + return $value; } # Dates if (($type eq 'creationdate') || @@ -329,7 +463,7 @@ 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 $value; } # Gradelevel @@ -348,8 +482,8 @@ sub prettyprint { ($type eq 'comefrom_list') || ($type eq 'sequsage_list') || ($type eq 'dependencies')) { - return ''; } # Evaluations if (($type eq 'clear') || @@ -385,18 +519,26 @@ sub prettyprint { # List of courses if ($type=~/\_list/) { my @Courses = split(/\s*\,\s*/,$value); - my $Str; + my $Str=''; } # No pretty print found return $value; @@ -413,12 +555,13 @@ sub selectbox { $functionref=\&direct; } my $selout=''; } @@ -440,10 +583,81 @@ sub relatedfield { sub prettyinput { my ($type,$value,$fieldname,$formname, - $relatedsearchflag,$relatedsep,$relatedvalue,$size)=@_; + $relatedsearchflag,$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 { + if ($item ne '') { + $cur_values_stu .= $item.','; + } + } + } + $cur_values_stu =~ s/,$//; + my @key_order = sort(keys(%meta_options)); + unshift(@key_order,''); + $meta_options{''} = 'Not specified'; + $meta_options{'select_form_order'} = \@key_order; + } else { + $cur_values_stu = $value; + } + if ($type eq 'courserestricted') { + return (&select_course()); + # return (''); + } + if (($type eq 'keywords') || ($type eq 'subject') + || ($type eq 'author')||($type eq 'notes') + || ($type eq 'abstract')|| ($type eq 'title')|| ($type eq 'standards') + || (exists($env{$course_key.'.metadata.'.$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, @@ -504,6 +718,11 @@ sub prettyinput { ",'rights')\">".&mt('Select').''. &relatedfield(0,$relatedsearchflag,$relatedsep); } + if ($type eq 'courserestricted') { + return (&select_course()); + #return (''); + } + # Dates if (($type eq 'creationdate') || ($type eq 'lastrevisiondate')) { @@ -526,40 +745,61 @@ sub prettyinput { # Main Handler sub handler { my $r=shift; - # + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['currentpath','changecourse']); my $uri=$r->uri; # # 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+)\//); - my $html=&Apache::lonxml::xmlbegin(); - $r->print($html.''. - 'Catalog Information'. - ''); + (&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=~/\/portfolio\//) { - $r->print(&Apache::loncommon::bodytag - ('Edit Portfolio File Information','','','',$resdomain)); - &present_editable_metadata($r,$uri,'portfolio'); - - } 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 Metadata', + 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($result); + if ((!$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 Metadata', + 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 Metadata', + "\n".'', + {'domain' => $resdomain,})); &present_editable_metadata($r,$uri); } else { - $r->print(&Apache::loncommon::bodytag - ('Catalog Information','','','',$resdomain)); + $r->print(&Apache::loncommon::start_page('Metadata', + undef, + {'domain' => $resdomain,})); &present_uneditable_metadata($r,$uri); } - $r->print(''); + $r->print(&Apache::loncommon::end_page()); return OK; } @@ -576,15 +816,28 @@ sub report_bombs { $uri =~ s:/adm/bombs/::; $uri = &Apache::lonnet::declutter($uri); $r->print('

'.&Apache::lonnet::clutter($uri).'

'); - my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//); + my ($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'); + my $cancel=&mt('Back to Directory'); + my $cancelurl=$uri; + $cancelurl=~s/^\Q$domain\E/\/priv/; + $r->print(< + +$cancel +
+ENDCLEAR my %brokenurls = &Apache::lonmsg::all_url_author_res_msg($author,$domain); - foreach (sort(keys(%brokenurls))) { - if ($_=~/^\Q$uri\E/) { + foreach my $key (sort(keys(%brokenurls))) { + if ($key=~/^\Q$uri\E/) { $r->print - (''.$_.''. - &Apache::lonmsg::retrieve_author_res_msg($_). + (''.$key.''. + &Apache::lonmsg::retrieve_author_res_msg($key). '
'); } } @@ -604,27 +857,30 @@ sub report_bombs { sub present_uneditable_metadata { my ($r,$uri) = @_; # + my $uploaded = ($uri =~ m|/uploaded/|); my %content=(); # Read file - foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) { - $content{$_}=&Apache::lonnet::metadata($uri,$_); + foreach my $key (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) { + $content{$key}=&Apache::lonnet::metadata($uri,$key); } # Render Output # displayed url my ($thisversion)=($uri=~/\.(\d+)\.(\w+)\.meta$/); $uri=~s/\.meta$//; - my $disuri=&Apache::lonnet::clutter($uri); + my $disuri=&Apache::lonnet::clutter_with_no_wrapper($uri); # version - my $currentversion=&Apache::lonnet::getversion($disuri); my $versiondisplay=''; - if ($thisversion) { - $versiondisplay=&mt('Version').': '.$thisversion. - ' ('.&mt('most recent version').': '. - ($currentversion>0 ? - $currentversion : - &mt('information not available')).')'; - } else { - $versiondisplay='Version: '.$currentversion; + 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'); @@ -633,9 +889,9 @@ sub present_uneditable_metadata { my $obsolete=$content{'obsolete'}; my $obsoletewarning=''; if (($obsolete) && ($env{'user.adv'})) { - $obsoletewarning='

'. + $obsoletewarning='

'. &mt('This resource has been marked obsolete by the author(s)'). - '

'; + '

'; } # my %lt=&fieldnames(); @@ -644,44 +900,55 @@ sub present_uneditable_metadata { if (! defined($title)) { $title = 'Untitled Resource'; } - foreach ('title', - 'author', - 'subject', - 'keywords', - 'notes', - 'abstract', - 'lowestgradelevel', - 'highestgradelevel', - 'standards', - 'mime', - 'language', - 'creationdate', - 'lastrevisiondate', - 'owner', - 'copyright', - 'customdistributionfile', - 'sourceavail', - 'sourcerights', - 'obsolete', - 'obsoletereplacement') { - $table.=''.$lt{$_}. - ''. - &prettyprint($_,$content{$_}).''; - delete $content{$_}; + 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'); + } + my $rownum = 0; + foreach my $field (@fields) { + my $lastrow = ''; + $rownum ++; + $lastrow = 1 if ($rownum == @fields); + $table.=&Apache::lonhtmlcommon::row_title($lt{$field}) + .&prettyprint($field,$content{$field}) + .&Apache::lonhtmlcommon::row_closure($lastrow); + delete($content{$field}); } # - $r->print(<$title -

-$disuri
-$obsoletewarning -$versiondisplay -

- -$table -
-ENDHEAD - if ($env{'user.adv'}) { + $r->print("

$title

" + .'

' + .$disuri.'
' + .$obsoletewarning + .$versiondisplay + .'

' + .&Apache::lonhtmlcommon::start_pick_box() + .$table + .&Apache::lonhtmlcommon::end_pick_box() + ); + if (!$uploaded && $env{'user.adv'}) { &print_dynamic_metadata($r,$uri,\%content); } return; @@ -707,17 +974,21 @@ sub print_dynamic_metadata { exists($dynmeta{'goto'}) || exists($dynmeta{'course'})) { $r->print('

'.&mt('Access and Usage Statistics').'

'. - ''); - foreach ('count', - 'sequsage','sequsage_list', - 'comefrom','comefrom_list', - 'goto','goto_list', - 'course','course_list') { - $r->print(''. - '\n"); + &Apache::lonhtmlcommon::start_pick_box()); + my @counts = ('count','sequsage','sequsage_list', + 'comefrom','comefrom_list','goto', + 'goto_list','course','course_list'); + my $rownum = 0; + foreach my $item (@counts) { + my $lastrow = ''; + $rownum ++; + $lastrow = 1 if ($rownum == @counts); + $r->print(&Apache::lonhtmlcommon::row_title($lt{$item}) + .&prettyprint($item,$dynmeta{$item}) + .&Apache::lonhtmlcommon::row_closure($lastrow) + ); } - $r->print('
'.$lt{$_}.''. - &prettyprint($_,$dynmeta{$_})."
'); + $r->print(&Apache::lonhtmlcommon::end_pick_box()); } else { $r->print('

'.&mt('No Access or Usages Statistics are available for this resource.').'

'); } @@ -732,70 +1003,76 @@ sub print_dynamic_metadata { $r->print('

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

'. - ''); - $r->print(''. - ''."\n"); - foreach ('avetries','difficulty','disc') { - $r->print(''. - ''."\n"); + &Apache::lonhtmlcommon::start_pick_box()); + $r->print(&Apache::lonhtmlcommon::row_title($lt{'stdno'}) + .&prettyprint('stdno',$dynmeta{'stdno'}) + .&Apache::lonhtmlcommon::row_closure() + ); + my @stats = ('avetries','difficulty','disc'); + my $rownum = 0; + foreach my $item (@stats) { + my $lastrow = ''; + $rownum ++; + $lastrow = 1 if ($rownum == @stats); + $r->print(&Apache::lonhtmlcommon::row_title($lt{$item}) + .&prettyprint($item,sprintf('%5.2f',$dynmeta{$item})) + .&Apache::lonhtmlcommon::row_closure($lastrow) + ); } - $r->print('
'.$lt{'stdno'}.''. - &prettyprint('stdno',$dynmeta{'stdno'}). - '
'.$lt{$_}.''. - &prettyprint($_,sprintf('%5.2f',$dynmeta{$_})). - '
'); + $r->print(&Apache::lonhtmlcommon::end_pick_box()); } if (exists($dynmeta{'stats'})) { # # New assessment statistics $r->print('

'. - &mt('Detailed Assessment Statistical Data'). + &mt('Recent Detailed Assessment Statistical Data'). '

'); - my $table = ''. - ''. - ''. - ''. - ''. - ''. - ''. - ''. - ''. - ''.$/; + my $table=&Apache::loncommon::start_data_table() + .&Apache::loncommon::start_data_table_header_row() + .'' + .'' + .'' + .'' + .'' + .'' + .'' + .&Apache::loncommon::end_data_table_header_row().$/; foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) { my $data = $dynmeta{'stats'}->{$identifier}; my $course = $data->{'course'}; - my %courseinfo = &Apache::lonnet::coursedescription($course); + my %courseinfo = + &Apache::lonnet::coursedescription($course, + {'one_time' => 1}); if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') { &Apache::lonnet::logthis('lookup for '.$course.' failed'); next; } - $table .= ''; + $table .= &Apache::loncommon::start_data_table_row(); $table .= - ''; + ''; $table .= ''; $table .= ''; - foreach ('avetries','difficulty','disc') { + foreach my $item ('avetries','difficulty','disc') { $table .= ''; } $table .= - ''; - $table .= - ''.$/; + ''; + $table .= &Apache::loncommon::end_data_table_row().$/; } - $table .= '
CourseSection(s)Num StudentsMean TriesDegree of DifficultyDegree of DiscriminationTime of computation
'.&mt('Course').''.&mt('Section(s)').''.&mt('Num Students').''.&mt('Mean Tries').''.&mt('Degree of Difficulty').''.&mt('Degree of Discrimination').''.&mt('Time of computation').'
'.$courseinfo{'description'}.''.$courseinfo{'description'}.''.$data->{'sections'}.''.$data->{'stdno'}.''; - if (exists($data->{$_})) { - $table .= sprintf('%.2f',$data->{$_}).' '; + if (exists($data->{$item})) { + $table .= sprintf('%.2f',$data->{$item}).' '; } else { $table .= ''; } $table .= ''. + ''. &Apache::lonlocal::locallocaltime($data->{'timestamp'}). - '
'.$/; + $table .= &Apache::loncommon::end_data_table().$/; $r->print($table); } else { - $r->print('No new dynamic data found.'); + $r->print(&mt('No new dynamic data found.')); } } else { $r->print('

'. @@ -811,17 +1088,23 @@ sub print_dynamic_metadata { exists($dynmeta{'correct'}) || exists($dynmeta{'technical'})){ $r->print('

'.&mt('Evaluation Data').'

'. - ''); - foreach ('clear','depth','helpful','correct','technical') { - $r->print(''. - '\n"); + &Apache::lonhtmlcommon::start_pick_box()); + my @criteria = ('clear','depth','helpful','correct','technical'); + my $rownum = 0; + foreach my $item (@criteria) { + my $lastrow = ''; + $rownum ++; + $lastrow = 1 if ($rownum == @criteria); + $r->print(&Apache::lonhtmlcommon::row_title($lt{$item}) + .&prettyprint($item,$dynmeta{$item}) + .&Apache::lonhtmlcommon::row_closure($lastrow) + ); } - $r->print('
'.$lt{$_}.''. - &prettyprint($_,$dynmeta{$_})."
'); + $r->print(&Apache::lonhtmlcommon::end_pick_box()); } else { $r->print('

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

'); } - $uri=~/^\/res\/(\w+)\/(\w+)\//; + $uri=~/^\/res\/($match_domain)\/($match_username)\//; if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2)) || ($env{'user.role.ca./'.$1.'/'.$2})) { if (exists($dynmeta{'comments'})) { @@ -845,35 +1128,50 @@ sub print_dynamic_metadata { # All other stuff $r->print('

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

'); - foreach (sort(keys(%content))) { - my $name=$_; - if ($name!~/\.display$/) { + ''); + $r->print(&Apache::lonhtmlcommon::start_pick_box()); + my @names; + foreach my $key (sort(keys(%content))) { + if ($key!~/\.display$/) { + push(@names,$key); + } + } + if (@names > 0) { + my $rownum = 0; + foreach my $name (@names) { + my $lastrow = ''; + $rownum ++; + $lastrow = 1 if ($rownum == @names); + my $display=&Apache::lonnet::metadata($uri, $name.'.display'); if (! $display) { $display=$name; }; my $otherinfo=''; - foreach ('name','part','type','default') { + foreach my $item ('name','part','type','default') { if (defined(&Apache::lonnet::metadata($uri, - $name.'.'.$_))) { - $otherinfo.=' '.$_.'='. + $name.'.'.$item))) { + $otherinfo.=' '.$item.'='. &Apache::lonnet::metadata($uri, - $name.'.'.$_).'; '; + $name.'.'.$item).'; '; } } - $r->print('\n"); + $r->print(&Apache::lonhtmlcommon::row_closure($lastrow)); } } - $r->print("
'.$display.''.$content{$name}); + $r->print(&Apache::lonhtmlcommon::row_title($display) + .$content{$name} + ); if ($otherinfo) { $r->print(' ('.$otherinfo.')'); } - $r->print("
"); + $r->print(&Apache::lonhtmlcommon::end_pick_box()); return; } + + ##################################################### ##################################################### ### ### @@ -882,146 +1180,486 @@ sub print_dynamic_metadata { ##################################################### ##################################################### sub present_editable_metadata { - my ($r,$uri, $file_type) = @_; + my ($r,$uri,$file_type) = @_; # Construction Space Call # Header my $disuri=$uri; my $fn=&Apache::lonnet::filelocation('',$uri); - $disuri=~s/^\/\~/\/priv\//; + $disuri=~s{^/\~}{/priv/}; $disuri=~s/\.meta$//; + my $meta_uri = $disuri; + my $path; + if ($disuri =~ m|/portfolio/|) { + ($disuri, $meta_uri, $path) = &portfolio_display_uri($disuri,1); + } my $target=$uri; - $target=~s/^\/\~/\/res\/$env{'request.role.domain'}\//; + $target=~s{^/\~}{/res/$env{'request.role.domain'}/}; $target=~s/\.meta$//; my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target); if ($bombs) { + my $showdel=1; if ($env{'form.delmsg'}) { if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') { $bombs=&mt('Messages deleted.'); + $showdel=0; } else { $bombs=&mt('Error deleting messages'); } } - my $del=&mt('Delete Messages'); + if ($env{'form.clearmsg'}) { + my $cleardir=$target; + $cleardir=~s/\/[^\/]+$/\//; + if (&Apache::lonmsg::clear_author_res_msg($cleardir) eq 'ok') { + $bombs=&mt('Messages cleared.'); + $showdel=0; + } else { + $bombs=&mt('Error clearing messages'); + } + } + my $del=&mt('Delete Messages for this Resource'); + my $clear=&mt('Clear all Messages in Subdirectory'); + my $goback=&mt('Back to Source File'); $r->print(<$disuri -
- -
$bombs + ENDBOMBS + if ($showdel) { + $r->print(< + +ENDDEL + } else { + $r->print('

'.$goback.'

'); + if ($env{'form.clearmsg'}) { + my ($diruri) = ($disuri =~ m{(.*/)[^/]*}); + $r->print('

'. + &mt('Back To Directory').'

'); + } + } + $r->print('
'.$bombs); } else { - my $displayfile='Catalog Information for '.$disuri; + my $displayfile=&mt('Metadata for [_1]',$disuri); if ($disuri=~/\/default$/) { my $dir=$disuri; $dir=~s/default$//; - $displayfile= - &mt('Default Cataloging Information for Directory').' '. - $dir; + $displayfile=&mt('Default Metadata for Directory [_1]',$dir); } %Apache::lonpublisher::metadatafields=(); %Apache::lonpublisher::metadatakeys=(); my $result=&Apache::lonnet::getfile($fn); if ($result == -1){ - $r->print('Unable to get '.$fn); - return ; + $r->print(&mt('Creating new file [_1]'),$meta_uri); } else { &Apache::lonpublisher::metaeval($result); } + if ($env{'form.new_courserestricted'}) { + my $new_assoc_course = $env{'form.new_courserestricted'}; + my $prev_courserestricted = $Apache::lonpublisher::metadatafields{'courserestricted'}; + if (($prev_courserestricted) && + ($prev_courserestricted ne $new_assoc_course)) { + my $transfers = []; + foreach my $key (keys(%env)) { + if ($key =~ /^form\.transfer_(.+)$/) { + push(@{$transfers},$1); + } + } + if (@{$transfers} > 0) { + &store_transferred_addedfields($fn,$uri,$transfers); + } + } + } $r->print(<$displayfile - + ENDEDIT - $r->print(''); my %lt=&fieldnames($file_type); my $output; my @fields; - if ($file_type eq 'portfolio') { - @fields = ('author','title','subject','keywords','abstract','notes','lowestgradelevel', - 'highestgradelevel'); + my $added_metadata_fields; + my @added_order; + if ($file_type eq 'groups') { + $Apache::lonpublisher::metadatafields{'courserestricted'}= + 'course.'.$env{'request.course.id'}; + } + if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) && + (! $env{'form.new_courserestricted'}) && (! $file_type eq 'groups')) { + $Apache::lonpublisher::metadatafields{'courserestricted'}= + 'none'; + } elsif ($env{'form.new_courserestricted'}) { + $Apache::lonpublisher::metadatafields{'courserestricted'}= + $env{'form.new_courserestricted'}; + } + if ($file_type eq 'portfolio' || $file_type eq 'groups') { + if(exists ($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})) { + # retrieve fieldnames (in order) from the course restricted list + @fields = (split(/,/,$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'})); + } else { + # no saved field list, use default list + @fields = ('author','title','subject','keywords','abstract', + 'notes','lowestgradelevel', + 'highestgradelevel','standards'); + if ($Apache::lonpublisher::metadatafields{'courserestricted'} =~ /^course\.($match_domain\_$match_courseid)$/) { + my $assoc_crs = $1; + $added_metadata_fields = &Apache::lonparmset::get_added_meta_fieldnames($assoc_crs); + if ($env{'course.'.$assoc_crs.'.metadata.addedorder'}) { + @added_order = split(/,/,$env{'course.'.$assoc_crs.'.metadata.addedorder'}); + } + $env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.fieldlist'} = join(",",@fields); + } + } } else { @fields = ('author','title','subject','keywords','abstract','notes', - 'copyright','customdistributionfile','language', - 'standards', - 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights', - 'obsolete','obsoletereplacement'); - } - foreach (@fields) { - if (defined($env{'form.new_'.$_})) { - $Apache::lonpublisher::metadatafields{$_}= - $env{'form.new_'.$_}; - } - if (! $Apache::lonpublisher::metadatafields{'copyright'}) { + 'copyright','customdistributionfile','language', + 'standards', + 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights', + 'obsolete','obsoletereplacement'); + } + if (! $Apache::lonpublisher::metadatafields{'copyright'}) { $Apache::lonpublisher::metadatafields{'copyright'}= - 'default'; - } - $output.=('

'.$lt{$_}.': '. - &prettyinput($_, - $Apache::lonpublisher::metadatafields{$_}, - 'new_'.$_,'defaultmeta').'

'); + 'default'; } - if ($env{'form.store'}) { - my $mfh; - my $formname='store'; - my $file_content; - foreach (sort keys %Apache::lonpublisher::metadatafields) { - next if ($_ =~ /\./); - my $unikey=$_; - $unikey=~/^([A-Za-z]+)/; - my $tag=$1; - $tag=~tr/A-Z/a-z/; - $file_content.= "\n\<$tag"; - foreach (split(/\,/, - $Apache::lonpublisher::metadatakeys{$unikey}) - ) { - my $value= - $Apache::lonpublisher::metadatafields{$unikey.'.'.$_}; - $value=~s/\"/\'\'/g; - $file_content.=' '.$_.'="'.$value.'"' ; - # print $mfh ' '.$_.'="'.$value.'"'; - } - $file_content.= '>'. - &HTML::Entities::encode - ($Apache::lonpublisher::metadatafields{$unikey}, - '<>&"'). - ''; - } - if ($fn =~ /\/portfolio\//) { - $fn =~ /\/portfolio\/(.*)$/; - my $new_fn = '/'.$1; - $env{'form.'.$formname}=$file_content; - $env{'form.'.$formname.'.filename'}=$new_fn; - &Apache::lonnet::userfileupload('uploaddoc','', - 'portfolio'.$env{'form.currentpath'}); - my $status =&Apache::lonnet::userfileupload($formname,'','portfolio'); - if (&Apache::lonnet::userfileupload($formname,'','portfolio') eq 'error: no uploaded file') { - $r->print('

'. - &mt('Could not write metadata').', '. - &mt('FAIL').'

'); + if (($file_type eq 'portfolio') || ($file_type eq 'groups')) { + if (! $Apache::lonpublisher::metadatafields{'mime'}) { + ($Apache::lonpublisher::metadatafields{'mime'}) = + ( $target=~/\.(\w+)$/ ); + } + if (! $Apache::lonpublisher::metadatafields{'owner'}) { + $Apache::lonpublisher::metadatafields{'owner'} = + $env{'user.name'}.':'.$env{'user.domain'}; + } + if (! $Apache::lonpublisher::metadatafields{'author'}) { + $Apache::lonpublisher::metadatafields{'author'} = + &Apache::loncommon::plainname($env{'user.name'}, + $env{'user.domain'}); + } + if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none') { + + if ($file_type eq 'portfolio') { + $r->print(&mt('Associated with course [_1]', + ''. + $env{$Apache::lonpublisher::metadatafields{'courserestricted'}. + ".description"}. + '').'
'); } else { - $r->print('

'.&mt('Wrote Metadata'). - ' '.&Apache::lonlocal::locallocaltime(time). - '

'); + $r->print(&mt('Associated with course [_1]', + ''. + $env{$Apache::lonpublisher::metadatafields{'courserestricted'}. + ".description"}.'').'
'); } - } else { - if (! ($mfh=Apache::File->new('>'.$fn))) { - $r->print('

'. - &mt('Could not write metadata').', '. - &mt('FAIL').'

'); - } else { - print $mfh $file_content; - $r->print('

'.&mt('Wrote Metadata'). - ' '.&Apache::lonlocal::locallocaltime(time). - '

'); + } else { + $r->print(''.&mt('This resource is not associated with a course.').'
'); + } + } + if (@added_order) { + foreach my $field_name (@added_order) { + push(@fields,$field_name); + $lt{$field_name} = $$added_metadata_fields{$field_name}; + } + } else { + foreach my $field_name (keys(%$added_metadata_fields)) { + push(@fields,$field_name); + $lt{$field_name} = $$added_metadata_fields{$field_name}; + } + } + $output .= &Apache::loncommon::start_data_table(); + my $row_alt = 1; + foreach my $field_name (@fields) { + if (defined($env{'form.new_'.$field_name})) { + my @values = &Apache::loncommon::get_env_multiple('form.new_'.$field_name); + my $newvalue = ''; + foreach my $item (@values) { + if ($item ne '') { + $newvalue .= $item.','; + } } + $newvalue =~ s/,$//; + $Apache::lonpublisher::metadatafields{$field_name}=$newvalue; + } + if ($Apache::lonpublisher::metadatafields{'courserestricted'} ne 'none' + && exists($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'})) { + # handle restrictions here + if ((($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/active/) || + ($field_name eq 'courserestricted'))&& + (!($env{$Apache::lonpublisher::metadatafields{'courserestricted'}.'.metadata.'.$field_name.'.options'} =~ m/deleted/))){ + + $output .= "\n".&Apache::loncommon::start_data_table_row(); + $output .= (''.$lt{$field_name}.': '. + &prettyinput($field_name, + $Apache::lonpublisher::metadatafields{$field_name}, + 'new_'.$field_name,'defaultmeta', + undef,undef,undef,undef, + $Apache::lonpublisher::metadatafields{'courserestricted'}).''); + $output .= &Apache::loncommon::end_data_table_row(); + } + } else { + + $output.=(&Apache::loncommon::start_data_table_row().''.$lt{$field_name}.': '. + &prettyinput($field_name, + $Apache::lonpublisher::metadatafields{$field_name}, + 'new_'.$field_name,'defaultmeta').''.&Apache::loncommon::end_data_table_row()); + } } - $r->print($output.'
'); + $output .= &Apache::loncommon::end_data_table(); + if ($env{'form.store'}) { + my ($outcome,$result) = &store_metadata($fn,$uri,'store'); + $r->print($result); + } + $r->print($output.'
'); + + if ($file_type eq 'portfolio' || $file_type eq 'groups') { + my ($port_path,$group) = &get_port_path_and_group($uri); + if ($group ne '') { + $r->print(''); + } + $r->print(''); + $r->print('

'); + if ($group ne '') { + $r->print(''); + } + $r->print(''. + ''); + } } + $r->print('
'); + return; } +sub store_metadata { + my ($fn,$uri,$caller) = @_; + my $mfh; + my $formname='store'; + my ($file_content,$output,$outcome); + if (&Apache::loncommon::get_env_multiple('form.new_keywords')) { + $Apache::lonpublisher::metadatafields{'keywords'} = + join (',', &Apache::loncommon::get_env_multiple('form.new_keywords')); + } + foreach my $field (sort(keys(%Apache::lonpublisher::metadatafields))) { + next if ($field =~ /\./); + my $unikey=$field; + $unikey=~/^([A-Za-z_]+)/; + my $tag=$1; + $tag=~tr/A-Z/a-z/; + $file_content.= "\n\<$tag"; + foreach my $key (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) { + my $value = $Apache::lonpublisher::metadatafields{$unikey.'.'.$key}; + $value=~s/\"/\'\'/g; + $file_content.=' '.$key.'="'.$value.'"' ; + } + $file_content.= '>'. + &HTML::Entities::encode + ($Apache::lonpublisher::metadatafields{$unikey},'<>&"'). + ''; + } + if ($fn =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) { + my ($path, $new_fn); + if ($fn =~ m|$match_name/groups/\w+/portfolio/|) { + ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|); + } else { + ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|); + } + ($outcome,my $result) = + &store_portfolio_metadata($formname,$file_content, + $path,$new_fn,$uri,$caller); + $output .= $result; + } else { + if (! ($mfh=Apache::File->new('>'.$fn))) { + $output .= '

'; + if ($caller eq 'transfer') { + $output .= &mt('Could not transfer data in added fields to notes'); + } else { + $output .= &mt('Could not write metadata'); + } + $output .= ', '.&mt('FAIL').'

'; + $outcome = 'fail'; + } else { + print $mfh ($file_content); + close($mfh); + &update_metadata_table($uri); + $output .= '

'; + if ($caller eq 'transfer') { + $output .= &mt('Transferred data in added fields to notes'); + } else { + $output .= &mt('Wrote Metadata'); + } + $output .= ' '.&Apache::lonlocal::locallocaltime(time). + '

'; + $outcome = 'ok'; + } + } + return ($outcome,$output); +} + +sub store_transferred_addedfields { + my ($fn,$uri,$transfers) = @_; + foreach my $item (@{$transfers}) { + $Apache::lonpublisher::metadatafields{'notes'} .= + ' '.$item.' = '.$Apache::lonpublisher::metadatafields{$item}; + } + my ($outcome,$output) = &store_metadata($fn,$uri,'transfer'); + if ($outcome eq 'ok') { + foreach my $item (@{$transfers}) { + delete($Apache::lonpublisher::metadatafields{$item}); + } + } +} + +sub store_portfolio_metadata { + my ($formname,$content,$path,$new_fn,$uri,$caller) = @_; + my ($outcome,$output); + $env{'form.'.$formname}=$content."\n"; + $env{'form.'.$formname.'.filename'}=$new_fn; + my $result =&Apache::lonnet::userfileupload($formname,'',$path); + if ($result =~ /(error|notfound)/) { + $output = '

'; + if ($caller eq 'transfer') { + $output .= + &mt('Could not transfer data in added fields to notes'); + } else { + $output .= &mt('Could not write metadata'); + } + $output .= ', '.&mt('FAIL').'

'; + $outcome = 'fail'; + } else { + &update_metadata_table($uri); + $output = '

'; + if ($caller eq 'transfer') { + $output .= &mt('Transferred data in added fields to notes'); + } else { + $output .= &mt('Wrote Metadata'); + } + $output .= ' '.&Apache::lonlocal::locallocaltime(time). + '

'; + $outcome = 'ok'; + } + return ($outcome,$output); +} + +sub update_metadata_table { + my ($uri) = @_; + my ($type,$udom,$uname,$file_name,$group) = + &Apache::lonnet::parse_portfolio_url($uri); + $file_name =~ s/\.meta$//; + my $current_permissions = + &Apache::lonnet::get_portfile_permissions($udom,$uname); + my %access_controls = + &Apache::lonnet::get_access_controls($current_permissions,$group, + $file_name); + my $access_hash = $access_controls{$file_name}; + my $available = 0; + if (ref($access_hash) eq 'HASH') { + foreach my $key (keys(%{$access_hash})) { + my ($num,$scope,$end,$start) = + ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); + if ($scope eq 'public' || $scope eq 'guest') { + $available = 1; + last; + } + } + } + if ($available) { + my $result = + &Apache::lonnet::update_portfolio_table($uname,$udom, + $file_name,'portfolio_metadata',$group,'update'); + } +} + + 1; __END__ + + +=head1 NAME + +Apache::lonmeta - display meta data + +=head1 SYNOPSIS + +Handler to display meta data + +This is part of the LearningOnline Network with CAPA project +described at http://www.lon-capa.org. + +=head1 SUBROUTINES + +=over + +=item &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} + +=item dynamicmeta() + +Fetch and evaluate dynamic metadata + +=item access_count() + +=item alttag() + +Try to make an alt tag if there is none + +=item authordisplay() + +Author display + +=item evalgraph() + +Pretty display + +=item diffgraph() + +=item fieldnames() + +=item portfolio_linked_path() + +=item get_port_path_and_group() + +=item portfolio_display_uri() + +=item pre_select_course() + +=item select_course() + +=item prettyprint() + +Pretty printing of metadata field + +=item direct() + +Pretty input of metadata field + +=item selectbox() + +=item relatedfield() + +=item prettyinput() + +=item report_bombs() + +=item present_uneditable_metadata() + +=item present_editable_metadata() + +=item store_metadata() + +=item store_transferred_addedfields() + +=item store_portfolio_metadata() + +=item update_metadata_table() + +=back + +=cut