--- loncom/interface/lonmeta.pm 2004/03/31 05:24:00 1.61 +++ loncom/interface/lonmeta.pm 2009/05/27 13:29:47 1.233 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Metadata display handler # -# $Id: lonmeta.pm,v 1.61 2004/03/31 05:24:00 albertel Exp $ +# $Id: lonmeta.pm,v 1.233 2009/05/27 13:29:47 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 # @@ -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.=''; } - $output.='
  '.(' ' x2).'           '.(' ' x2).' ('.$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('
'); + $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 { - my ($type,$value)=@_; - unless (defined($value)) { return ' '; } -# Title + my ($type,$value,$target,$prefix,$form,$noformat)=@_; +# $target,$prefix,$form are optional and for filecrumbs only + if (! defined($value)) { + return ' '; + } + # Title if ($type eq 'title') { - return ''.$value.''; + return $value; } -# Dates + # Dates if (($type eq 'creationdate') || ($type eq 'lastrevisiondate')) { return ($value?&Apache::lonlocal::locallocaltime( &Apache::lonmysql::unsqltime($value)): &mt('not available')); } -# Language + # Language if ($type eq 'language') { return &Apache::loncommon::languagedescription($value); } -# Copyright + # Copyright if ($type eq 'copyright') { return &Apache::loncommon::copyrightdescription($value); } -# MIME + # Copyright + if ($type eq 'sourceavail') { + return &Apache::loncommon::source_copyrightdescription($value); + } + # MIME if ($type eq 'mime') { - return ' '. - &Apache::loncommon::filedescription($value); - } -# Person + return ' '. + &Apache::loncommon::filedescription($value); + } + # Person if (($type eq 'author') || ($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 $value; } -# Gradelevel + # Gradelevel if (($type eq 'lowestgradelevel') || ($type eq 'highestgradelevel')) { return &Apache::loncommon::gradeleveldescription($value); } -# Only for advance users below - unless ($ENV{'user.adv'}) { return '- '.&mt('not displayed').' -' }; -# File + # Only for advance users below + if (! $env{'user.adv'}) { + return '- '.&mt('not displayed').' -'; + } + # File if (($type eq 'customdistributionfile') || ($type eq 'obsoletereplacement') || ($type eq 'goto_list') || ($type eq 'comefrom_list') || - ($type eq 'sequsage_list')) { - return join('
',map { - my $url=&Apache::lonnet::clutter($_); - '
'.&Apache::lonnet::gettitle($url).''. - &Apache::lonhtmlcommon::crumbs($url,'preview',''); - } split(/\s*\,\s*/,$value)); + ($type eq 'sequsage_list') || + ($type eq 'dependencies')) { + return ''; } -# Evaluations + # Evaluations if (($type eq 'clear') || ($type eq 'depth') || ($type eq 'helpful') || @@ -314,429 +512,1179 @@ sub prettyprint { ($type eq 'technical')) { return &evalgraph($value); } -# Difficulty - if ($type eq 'difficulty') { + # Difficulty + if ($type eq 'difficulty' || $type eq 'disc') { return &diffgraph($value); } -# List of courses + # 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=''; } -# 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 $selout=''; } sub relatedfield { my ($show,$relatedsearchflag,$relatedsep,$fieldname,$relatedvalue)=@_; - unless ($relatedsearchflag) { return ''; } - unless (defined($relatedsep)) { $relatedsep=' '; } - unless ($show) { return $relatedsep.' '; } + if (! $relatedsearchflag) { + return ''; + } + if (! defined($relatedsep)) { + $relatedsep=' '; + } + if (! $show) { + return $relatedsep.' '; + } return $relatedsep.''; + ($relatedvalue?' checked="checked"':'').' />'; } sub prettyinput { my ($type,$value,$fieldname,$formname, - $relatedsearchflag,$relatedsep,$relatedvalue)=@_; -# Language + $relatedsearchflag,$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, $value, \&Apache::loncommon::languagedescription, (&Apache::loncommon::languageids)). - &relatedfield(0,$relatedsearchflag,$relatedsep); + &relatedfield(0,$relatedsearchflag,$relatedsep); } -# Copyright + # Copyright if ($type eq 'copyright') { return &selectbox($fieldname, $value, \&Apache::loncommon::copyrightdescription, (&Apache::loncommon::copyrightids)). - &relatedfield(0,$relatedsearchflag,$relatedsep); + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # Source Copyright + if ($type eq 'sourceavail') { + return &selectbox($fieldname, + $value, + \&Apache::loncommon::source_copyrightdescription, + (&Apache::loncommon::source_copyrightids)). + &relatedfield(0,$relatedsearchflag,$relatedsep); } -# Gradelevels + # Gradelevels if (($type eq 'lowestgradelevel') || ($type eq 'highestgradelevel')) { return &Apache::loncommon::select_level_form($value,$fieldname). - &relatedfield(0,$relatedsearchflag,$relatedsep); + &relatedfield(0,$relatedsearchflag,$relatedsep); } -# Obsolete + # Obsolete if ($type eq 'obsolete') { return ''. - &relatedfield(0,$relatedsearchflag,$relatedsep); + ($value?' checked="checked"':'').' />'. + &relatedfield(0,$relatedsearchflag,$relatedsep); } -# Obsolete replacement file + # Obsolete replacement file if ($type eq 'obsoletereplacement') { return '".&mt('Select').''. - &relatedfield(0,$relatedsearchflag,$relatedsep); - } -# Customdistribution file + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + # Customdistribution file if ($type eq 'customdistributionfile') { return '".&mt('Select').''. - &relatedfield(0,$relatedsearchflag,$relatedsep); + &relatedfield(0,$relatedsearchflag,$relatedsep); } -# Dates + # Source Customdistribution file + if ($type eq 'sourcerights') { + return '".&mt('Select').''. + &relatedfield(0,$relatedsearchflag,$relatedsep); + } + if ($type eq 'courserestricted') { + return (&select_course()); + #return (''); + } + + # Dates if (($type eq 'creationdate') || ($type eq 'lastrevisiondate')) { - return &Apache::lonhtmlcommon::date_setter($formname, - $fieldname,$value). - &relatedfield(0,$relatedsearchflag,$relatedsep); + return + &Apache::lonhtmlcommon::date_setter($formname,$fieldname,$value). + &relatedfield(0,$relatedsearchflag,$relatedsep); } -# No pretty input found + # No pretty input found $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,$relatedvalue); + ''. + &relatedfield(1,$relatedsearchflag,$relatedsep,$fieldname, + $relatedvalue); } -# ================================================================ Main Handler - +# Main Handler sub handler { - my $r=shift; - - my $loaderror=&Apache::lonnet::overloaderror($r); - if ($loaderror) { return $loaderror; } - - + my $r=shift; + &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, + ['currentpath','changecourse']); my $uri=$r->uri; - -# ====================================================== Looking for all bombs? - if ($uri=~/\/adm\/bombs\/(.*)$/) { -# ----------------------------------------------------------- Set document type - $uri=&Apache::lonnet::declutter($1); - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; - - return OK if $r->header_only; - $r->print(&Apache::loncommon::bodytag('Error Messages')); - $r->print('

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

'); - my ($domain,$author)=($uri=~/^(\w+)\/(\w+)\//); - if (&Apache::loncacc::constructaccess('/~'.$author.'/',$domain)) { - my %brokenurls=&Apache::lonmsg::all_url_author_res_msg($author,$domain); - foreach (sort keys %brokenurls) { - if ($_=~/^\Q$uri\E/) { - $r->print(&Apache::lonhtmlcommon::crumbs(&Apache::lonnet::clutter($_)). - &Apache::lonmsg::retrieve_author_res_msg($_).'
'); - } - } - } else { - $r->print(&mt('Not authorized')); - } - $r->print(''); - } elsif ($uri!~/^\/\~/) { -# =========================================== This is not in construction space + # + # 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+)\//); - - $loaderror= - &Apache::lonnet::overloaderror($r, - &Apache::lonnet::homeserver($resuser,$resdomain)); - if ($loaderror) { return $loaderror; } - - my %content=(); - -# ----------------------------------------------------------- Set document type - - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; + (&Apache::lonnet::declutter($uri)=~/^($match_domain)\/($match_username)\//); + if ($uri=~m:/adm/bombs/(.*)$:) { + $r->print(&Apache::loncommon::start_page('Error Messages')); + # Looking for all bombs? + &report_bombs($r,$uri); + } elsif ($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::start_page('Edit Metadata', + "\n".'', + {'domain' => $resdomain,})); + &present_editable_metadata($r,$uri); + } else { + $r->print(&Apache::loncommon::start_page('Metadata', + undef, + {'domain' => $resdomain,})); + &present_uneditable_metadata($r,$uri); + } + $r->print(&Apache::loncommon::end_page()); + return OK; +} - return OK if $r->header_only; +##################################################### +##################################################### +### ### +### Report Bombs ### +### ### +##################################################### +##################################################### +sub report_bombs { + my ($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'); + 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 my $key (sort(keys(%brokenurls))) { + if ($key=~/^\Q$uri\E/) { + $r->print + (''.$key.''. + &Apache::lonmsg::retrieve_author_res_msg($key). + '
'); + } + } + } else { + $r->print(&mt('Not authorized')); + } + return; +} -# ------------------------------------------------------------------- Read file - foreach (split(/\,/,&Apache::lonnet::metadata($uri,'keys'))) { - $content{$_}=&Apache::lonnet::metadata($uri,$_); - } -# --------------------------------------------------------------- Render Output -# displayed url +##################################################### +##################################################### +### ### +### Uneditable Metadata Display ### +### ### +##################################################### +##################################################### +sub present_uneditable_metadata { + my ($r,$uri) = @_; + # + my $uploaded = ($uri =~ m|/uploaded/|); + my %content=(); + # Read file + 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); -# version - my $currentversion=&Apache::lonnet::getversion($disuri); + my $disuri=&Apache::lonnet::clutter_with_no_wrapper($uri); + # version my $versiondisplay=''; - if ($thisversion) { - $versiondisplay=&mt('Version').': '.$thisversion. - ' ('.&mt('most recent version').': '. - ($currentversion>0?$currentversion:&mt('information not available')).')'; - } else { - $versiondisplay='Version: '.$currentversion; - } -# crumbify displayed URL - $disuri=&Apache::lonhtmlcommon::crumbs($disuri); -# obsolete + 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)').'

'; + if (($obsolete) && ($env{'user.adv'})) { + $obsoletewarning='

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

'; } - + # my %lt=&fieldnames(); my $table=''; - my $bodytag=&Apache::loncommon::bodytag - ('Catalog Information','','','',$resdomain); - foreach ('title', - 'author', - 'subject', - 'keywords', - 'notes', - 'abstract', - 'lowestgradelevel', - 'highestgradelevel', - 'standards', - 'mime', - 'language', - 'creationdate', - 'lastrevisiondate', - 'owner', - 'copyright', - 'customdistributionfile', - 'obsolete', - 'obsoletereplacement') { - $table.=''.$lt{$_}. - ''. - &prettyprint($_,$content{$_}).''; - delete $content{$_}; - } - - $r->print(<Catalog Information -$bodytag -

$content{'title'}

-

$disuri

-$obsoletewarning -$versiondisplay
- -$table -
-ENDHEAD - if ($ENV{'user.adv'}) { -# ------------------------------------------------------------ Dynamic Metadata - $r->print( - '

'.&mt('Dynamic Metadata').' ('. - &mt('updated periodically').')

'.&mt('Processing'). - ' ...
'); - $r->rflush(); - my %items=&fieldnames(); - my %dynmeta=&dynamicmeta($uri); -# General Access and Usage Statistics - $r->print('

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

'); - foreach ('count', - 'sequsage','sequsage_list', - 'comefrom','comefrom_list', - 'goto','goto_list', - 'course','course_list') { - $r->print('\n"); - } - $r->print('
'.$lt{$_}.''. - &prettyprint($_,$dynmeta{$_})."
'); - if ($uri=~/\.(problem|exam|quiz|assess|survey|form)\.meta$/) { -# This is an assessment, print assessment data - $r->print( - '

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

'); - foreach ('stdno','avetries','difficulty') { - $r->print('\n"); - } - $r->print('
'.$lt{$_}.''. - &prettyprint($_,$dynmeta{$_})."
'); - } - $r->print('

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

'); - foreach ('clear','depth','helpful','correct','technical') { - $r->print('\n"); - } - $r->print('
'.$lt{$_}.''. - &prettyprint($_,$dynmeta{$_})."
'); - $uri=~/^\/res\/(\w+)\/(\w+)\//; - if ((($ENV{'user.domain'} eq $1) && ($ENV{'user.name'} eq $2)) - || ($ENV{'user.role.ca./'.$1.'/'.$2})) { - $r->print('

'.&mt('Evaluation Comments').' ('. - &mt('visible to author and co-authors only').')

'. - '
'.$dynmeta{'comments'}.'
'); - $r->print('

'.&mt('Error Messages').' ('. - &mt('visible to author and co-authors only').')

'. - &Apache::lonmsg::retrieve_author_res_msg($uri)); - } -# ------------------------------------------------------------- All other stuff - $r->print( - '

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

'); - foreach (sort keys %content) { - my $name=$_; - unless ($name=~/\.display$/) { - my $display=&Apache::lonnet::metadata($uri,$name.'.display'); - unless ($display) { $display=$name; }; - my $otherinfo=''; - foreach ('name','part','type','default') { - if (defined(&Apache::lonnet::metadata($uri,$name.'.'.$_))) { - $otherinfo.=' '.$_.'='. - &Apache::lonnet::metadata($uri,$name.'.'.$_).'; '; - } - } - $r->print(''.$display.': '.$content{$name}); - if ($otherinfo) { - $r->print(' ('.$otherinfo.')'); - } - $r->print("
\n"); - } - } - } -# ===================================================== End Resource Space Call - } else { -# ===================================================== Construction Space Call - -# ----------------------------------------------------------- Set document type - - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; - - return OK if $r->header_only; -# ---------------------------------------------------------------------- Header - my $disuri=$uri; - my $fn=&Apache::lonnet::filelocation('',$uri); - $disuri=~s/^\/\~/\/priv\//; - $disuri=~s/\.meta$//; - my $target=$uri; - $target=~s/^\/\~/\/res\/$ENV{'request.role.domain'}\//; - $target=~s/\.meta$//; - my $bombs=&Apache::lonmsg::retrieve_author_res_msg($target); - if ($bombs) { - if ($ENV{'form.delmsg'}) { - if (&Apache::lonmsg::del_url_author_res_msg($target) eq 'ok') { - $bombs=&mt('Messages deleted.'); - } else { - $bombs=&mt('Error deleting messages'); - } - } - my $bodytag=&Apache::loncommon::bodytag('Error Messages'); - my $del=&mt('Delete Messages'); - $r->print(<Edit Catalog Information -$bodytag + 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'); + } + 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 + .'

' + .&Apache::lonhtmlcommon::start_pick_box() + .$table + .&Apache::lonhtmlcommon::end_pick_box() + ); + if (!$uploaded && $env{'user.adv'}) { + &print_dynamic_metadata($r,$uri,\%content); + } + return; +} + +sub print_dynamic_metadata { + my ($r,$uri,$content) = @_; + # + my %content = %$content; + my %lt=&fieldnames(); + # + my $description = 'Dynamic Metadata (updated periodically)'; + $r->print('

'.&mt($description).'

'. + &mt('Processing')); + $r->rflush(); + my %items=&fieldnames(); + my %dynmeta=&dynamicmeta($uri); + # + # General Access and Usage Statistics + $r->print('

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

'); + if (exists($dynmeta{'count'}) || + exists($dynmeta{'sequsage'}) || + exists($dynmeta{'comefrom'}) || + exists($dynmeta{'goto'}) || + exists($dynmeta{'course'})) { + $r->print(&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(&Apache::lonhtmlcommon::end_pick_box()); + } else { + $r->print('

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

' + ); + } + # + # Assessment statistics + 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'). + '

'. + &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(&Apache::lonhtmlcommon::end_pick_box()); + } + # + # New assessment statistics + $r->print('

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

' + ); + if (exists($dynmeta{'stats'})) { + my $table=&Apache::loncommon::start_data_table() + .&Apache::loncommon::start_data_table_header_row() + .''.&mt('Course').'' + .''.&mt('Section(s)').'' + .''.&mt('Num Students').'' + .''.&mt('Mean Tries').'' + .''.&mt('Degree of Difficulty').'' + .''.&mt('Degree of Discrimination').'' + .''.&mt('Time of computation').'' + .&Apache::loncommon::end_data_table_header_row().$/; + foreach my $identifier (sort(keys(%{$dynmeta{'stats'}}))) { + my $data = $dynmeta{'stats'}->{$identifier}; + my $course = $data->{'course'}; + my %courseinfo = + &Apache::lonnet::coursedescription($course, + {'one_time' => 1}); + if (! exists($courseinfo{'num'}) || $courseinfo{'num'} eq '') { + &Apache::lonnet::logthis('lookup for '.$course.' failed'); + next; + } + $table .= &Apache::loncommon::start_data_table_row(); + $table .= + ''.$courseinfo{'description'}.''; + $table .= + ''.$data->{'sections'}.''; + $table .= + ''.$data->{'stdno'}.''; + foreach my $item ('avetries','difficulty','disc') { + $table .= ''; + if (exists($data->{$item})) { + $table .= sprintf('%.2f',$data->{$item}).' '; + } else { + $table .= ''; + } + $table .= ''; + } + $table .= + ''. + &Apache::lonlocal::locallocaltime($data->{'timestamp'}). + ''; + $table .= &Apache::loncommon::end_data_table_row().$/; + } + $table .= &Apache::loncommon::end_data_table().$/; + $r->print($table); + } else { + $r->print('

' + .&mt('No new dynamic data found.') + .'

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

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

'); + } + + # + # Evaluation Data + $r->print('

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

'); + if (exists($dynmeta{'clear'}) || + exists($dynmeta{'depth'}) || + exists($dynmeta{'helpful'}) || + exists($dynmeta{'correct'}) || + exists($dynmeta{'technical'})){ + $r->print(&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(&Apache::lonhtmlcommon::end_pick_box()); + } else { + $r->print('

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

' + ); + } + # Evaluation Comments + $uri=~/^\/res\/($match_domain)\/($match_username)\//; + if ((($env{'user.domain'} eq $1) && ($env{'user.name'} eq $2)) + || ($env{'user.role.ca./'.$1.'/'.$2})) { + $r->print('

'.&mt('Evaluation Comments').'

' + .'
(' + .&mt('visible to author and co-authors only') + .')
' + ); + if (exists($dynmeta{'comments'})) { + $r->print('
'.$dynmeta{'comments'}.'
'); + } else { + $r->print('

' + .&mt('There are no Evaluation Comments on this resource.') + .'

' + ); + } + my $bombs = &Apache::lonmsg::retrieve_author_res_msg($uri); + if (defined($bombs) && $bombs ne '') { + $r->print('' + .'

'.&mt('Error Messages').'

' + .'
(' + .&mt('visible to author and co-authors only') + .')
' + .$bombs + ); + } #else { + # $r->print('

'.&mt('There are currently no Error Messages for this resource.').'

'); + #} + } + # + # All other stuff + $r->print('

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

'); + $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 my $item ('name','part','type','default') { + if (defined(&Apache::lonnet::metadata($uri, + $name.'.'.$item))) { + $otherinfo.=' '.$item.'='. + &Apache::lonnet::metadata($uri, + $name.'.'.$item).'; '; + } + } + $r->print(&Apache::lonhtmlcommon::row_title($display) + .$content{$name} + ); + if ($otherinfo) { + $r->print(' ('.$otherinfo.')'); + } + $r->print(&Apache::lonhtmlcommon::row_closure($lastrow)); + } + } + $r->print(&Apache::lonhtmlcommon::end_pick_box()); + return; +} + + + +##################################################### +##################################################### +### ### +### Editable metadata display ### +### ### +##################################################### +##################################################### +sub present_editable_metadata { + my ($r,$uri,$file_type) = @_; + # Construction Space Call + # Header + my $disuri=$uri; + my $fn=&Apache::lonnet::filelocation('',$uri); + $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'}/}; + $target=~s/\.meta$//; + 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 { + $bombs=&mt('Error deleting messages'); + } + } + if ($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 - } else { - my $displayfile='Catalog Information for '.$disuri; - if ($disuri=~/\/default$/) { - my $dir=$disuri; - $dir=~s/default$//; - $displayfile=&mt('Default Cataloging Information for Directory').' '. - $dir; - } - my $bodytag=&Apache::loncommon::bodytag('Edit Catalog Information'); - %Apache::lonpublisher::metadatafields=(); - %Apache::lonpublisher::metadatakeys=(); - &Apache::lonpublisher::metaeval(&Apache::lonnet::getfile($fn)); - $r->print(<Edit Catalog Information -$bodytag -

$displayfile

- + 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 $displayfile=&mt('Metadata for [_1]',$disuri); + if ($disuri=~/\/default$/) { + my $dir=$disuri; + $dir=~s/default$//; + $displayfile=&mt('Default Metadata for Directory [_1]' + ,''.$dir.''); + } + %Apache::lonpublisher::metadatafields=(); + %Apache::lonpublisher::metadatakeys=(); + my $result=&Apache::lonnet::getfile($fn); + if ($result == -1){ + $r->print(&mt('Creating new file [_1]'),$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 - $r->print(''); - my %lt=&fieldnames(); - foreach ('author','title','subject','keywords','abstract','notes', - 'copyright','customdistributionfile','language','standards', - 'lowestgradelevel','highestgradelevel', - 'obsolete','obsoletereplacement') { - if (defined($ENV{'form.new_'.$_})) { - $Apache::lonpublisher::metadatafields{$_}=$ENV{'form.new_'.$_}; - } - unless ($Apache::lonpublisher::metadatafields{'copyright'}) { - $Apache::lonpublisher::metadatafields{'copyright'}='default'; - } - $r->print('

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

'); - } - if ($ENV{'form.store'}) { - my $mfh; - unless ($mfh=Apache::File->new('>'.$fn)) { - $r->print( - '

'.&mt('Could not write metadata').', '. - &mt('FAIL').''); - } else { - foreach (sort keys %Apache::lonpublisher::metadatafields) { - unless ($_=~/\./) { - my $unikey=$_; - $unikey=~/^([A-Za-z]+)/; - my $tag=$1; - $tag=~tr/A-Z/a-z/; - print $mfh "\n\<$tag"; - foreach - (split(/\,/,$Apache::lonpublisher::metadatakeys{$unikey})) { - my $value= - $Apache::lonpublisher::metadatafields{$unikey.'.'.$_}; - $value=~s/\"/\'\'/g; - print $mfh ' '.$_.'="'.$value.'"'; - } - print $mfh '>'. - &HTML::Entities::encode($Apache::lonpublisher::metadatafields{$unikey},'<>&"') - .''; - } - } - $r->print('

'.&mt('Wrote Metadata')); - } - } - $r->print( - '

'); - } - } - return OK; -} - -# ================================================================= BEGIN Block -BEGIN { -# Get columns of MySQL metadata table - @columns=&Apache::lonmysql::col_order('metadata'); + my %lt=&fieldnames($file_type); + my $output; + my @fields; + 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'); + } + if (! $Apache::lonpublisher::metadatafields{'copyright'}) { + $Apache::lonpublisher::metadatafields{'copyright'}= + 'default'; + } + if (($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('Associated with course [_1]', + ''. + $env{$Apache::lonpublisher::metadatafields{'courserestricted'}. + ".description"}.'').'
'); + } + } 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::lonhtmlcommon::start_pick_box(); + my $last = $#fields + 1; + my $rowcount = 0; + foreach my $field_name (@fields) { + $rowcount++; + if (defined($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/))){ + + $output .= &Apache::lonhtmlcommon::row_title($lt{$field_name}) + .&prettyinput($field_name, + $Apache::lonpublisher::metadatafields{$field_name}, + 'new_'.$field_name,'defaultmeta', + undef,undef,undef,undef, + $Apache::lonpublisher::metadatafields{'courserestricted'}); + $output .= &Apache::lonhtmlcommon::row_closure($rowcount == $last?1:0); + } + } else { + + $output .= &Apache::lonhtmlcommon::row_title($lt{$field_name}) + .&prettyinput($field_name, + $Apache::lonpublisher::metadatafields{$field_name}, + 'new_'.$field_name,'defaultmeta') + .&Apache::lonhtmlcommon::row_closure($rowcount == $last?1:0); + + } + } + $output .= &Apache::lonhtmlcommon::end_pick_box(); + if ($env{'form.store'}) { + my ($outcome,$result) = &store_metadata($fn,$uri,'store'); + $r->print($result); + } + my $savebutton = '

'; + $r->print($savebutton.$output.$savebutton); + + 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); + my $confirmtext; + if ($caller eq 'transfer') { + $confirmtext = &mt('Transferred data in added fields to notes'); + } else { + $confirmtext = &mt('Wrote Metadata'); + } + $output .= &Apache::loncommon::confirmwrapper( + &Apache::lonhtmlcommon::confirm_success( + $confirmtext.' '.&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 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.