--- loncom/interface/lonmeta.pm 2006/08/25 23:05:52 1.173 +++ loncom/interface/lonmeta.pm 2008/01/24 10:05:13 1.211 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Metadata display handler # -# $Id: lonmeta.pm,v 1.173 2006/08/25 23:05:52 banghart Exp $ +# $Id: lonmeta.pm,v 1.211 2008/01/24 10:05:13 bisitz Exp $ # # Copyright Michigan State University Board of Trustees # @@ -39,8 +39,7 @@ use Apache::lonpublisher; use Apache::lonlocal; use Apache::lonmysql; use Apache::lonmsg; -use lib '/home/httpd/lib/perl/'; -use LONCAPA; +use LONCAPA qw(:DEFAULT :match); ############################################################ @@ -63,7 +62,7 @@ use LONCAPA; ############################################################ 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(); } @@ -95,7 +94,8 @@ sub get_dynamic_metadata_from_sql { while (my $result = <$fh>) { chomp($result); next if (! $result); - my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash(map { &unescape($_) } split(/\,/,$result)); + my %hash=&LONCAPA::lonmetadata::metadata_col_to_hash('metadata', + map { &unescape($_) } split(/\,/,$result)); foreach my $key (keys(%hash)) { $ReturnHash{$hash{'url'}}->{$key}=$hash{$key}; } @@ -111,7 +111,7 @@ 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.'___'; @@ -235,13 +235,7 @@ sub fieldnames { 'lowestgradelevel' => 'Lowest Grade Level', 'highestgradelevel' => 'Highest Grade Level'); - if (! defined($file_type) || $file_type ne 'portfolio') { - %fields = - (%fields, - 'courserestricted' => 'Course Restricting Metadata'); - } - - if (! defined($file_type) || $file_type ne 'portfolio') { + if ( !defined($file_type) || ($file_type ne 'portfolio' && $file_type ne 'groups') ) { %fields = (%fields, 'domain' => 'Domain', @@ -271,7 +265,7 @@ 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', @@ -389,7 +383,40 @@ sub select_course { $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 .= ' ENDDEL } else { - $r->print(''.$goback.''); + $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 $displayfile=&mt('Catalog Information for [_1]',$disuri); if ($disuri=~/\/default$/) { my $dir=$disuri; $dir=~s/default$//; - $displayfile= - &mt('Default Cataloging Information for Directory').' '. - $dir; + $displayfile=&mt('Default Cataloging Information for Directory [_1]',$dir); } %Apache::lonpublisher::metadatafields=(); %Apache::lonpublisher::metadatakeys=(); @@ -1179,30 +1235,34 @@ ENDDEL } 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','standards'); - } else { - @fields = ('author','title','subject','keywords','abstract','notes', - 'copyright','customdistributionfile','language', - 'standards', - 'lowestgradelevel','highestgradelevel','sourceavail','sourcerights', - 'obsolete','obsoletereplacement'); - } + my $added_metadata_fields; + my @added_order; if ($file_type eq 'groups') { $Apache::lonpublisher::metadatafields{'courserestricted'}= - 'course.'.$env{'request.course.id'}; + 'course.'.$env{'request.course.id'}; } if ((! $Apache::lonpublisher::metadatafields{'courserestricted'}) && (! $env{'form.new_courserestricted'}) && (! $file_type eq 'groups')) { @@ -1210,8 +1270,33 @@ ENDEDIT 'none'; } elsif ($env{'form.new_courserestricted'}) { $Apache::lonpublisher::metadatafields{'courserestricted'}= - $env{'form.new_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'; @@ -1225,116 +1310,98 @@ ENDEDIT $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') { - $r->print(&mt('Associated with course [_1]',''.$env{$Apache::lonpublisher::metadatafields{'courserestricted'}.".description"}. - '').'
'); + + if ($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("This resource is not associated with a course.
"); + $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})) { - $Apache::lonpublisher::metadatafields{$field_name}= - join(',',&Apache::loncommon::get_env_multiple('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')){ - $output.=("\n".'

'.$lt{$field_name}.': '. + 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(); + $output .= (' '. &prettyinput($field_name, $Apache::lonpublisher::metadatafields{$field_name}, 'new_'.$field_name,'defaultmeta', undef,undef,undef,undef, - $Apache::lonpublisher::metadatafields{'courserestricted'}).'

'."\n"); + $Apache::lonpublisher::metadatafields{'courserestricted'}).''); + $output .= &Apache::loncommon::end_data_table_row(); } } else { - $output.=('

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

'); + $output.=(&Apache::loncommon::start_data_table_row().' '. + &prettyinput($field_name, + $Apache::lonpublisher::metadatafields{$field_name}, + 'new_'.$field_name,'defaultmeta').''.&Apache::loncommon::end_data_table_row()); } } + $output .= &Apache::loncommon::end_data_table(); if ($env{'form.store'}) { - my $mfh; - my $formname='store'; - my $file_content; - if (&Apache::loncommon::get_env_multiple('form.new_keywords')) { - $Apache::lonpublisher::metadatafields{'keywords'} = - join (',', &Apache::loncommon::get_env_multiple('form.new_keywords')); - } - - foreach (sort keys %Apache::lonpublisher::metadatafields) { - next if ($_ =~ /\./); - 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 =~ m|^$Apache::lonnet::perlvar{'lonDocRoot'}/userfiles|) { - my ($path, $new_fn); - if ($fn =~ m|\w+/groups/\w+/portfolio/|) { - ($path, $new_fn) = ($fn =~ m|/(groups/\w+/portfolio.*)/([^/]*)$|); - } else { - ($path, $new_fn) = ($fn =~ m|/(portfolio.*)/([^/]*)$|); - } - $r->print(&store_portfolio_metadata($formname,$file_content,$path, - $new_fn)); - if (! $env{'form.associate'}) { - $r->print(&Apache::portfolio::done("Return to Portfolio",'/adm/portfolio')); - return; - } - } else { - if (! ($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). - '

'); - } - if (! $env{'form.associate'}) { - $r->print(&Apache::portfolio::done("Return to Portfolio",'/adm/portfolio')); - return; - } - } + my ($outcome,$result) = &store_metadata($fn,$uri,'store'); + $r->print($result); } - $r->print($output.'
'); + &mt('Save Catalog Information').'" />'); - if ($file_type eq 'portfolio') { + if ($file_type eq 'portfolio' || $file_type eq 'groups') { my ($port_path,$group) = &get_port_path_and_group($uri); - if ($group) { + if ($group ne '') { $r->print(''); } $r->print(''); - $r->print('
-

'. - ''. - ''. + $r->print('


'); + if ($group ne '') { + $r->print(''); + } + $r->print(''. ''); } } @@ -1344,21 +1411,146 @@ ENDEDIT return; } +sub store_metadata { + my ($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) = @_; + 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)/) { - return '

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

'; + $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 { - return '

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

'; + &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__