version 1.15, 2006/12/29 19:15:28
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version 1.16, 2007/01/02 12:53:27
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Line 30 package LONCAPA::lonmetadata;
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Line 30 package LONCAPA::lonmetadata;
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use strict; |
use strict; |
use DBI; |
use DBI; |
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use HTML::TokeParser; |
use vars qw($Metadata_Table_Description $Portfolio_metadata_table_description |
use vars qw($Metadata_Table_Description $Portfolio_metadata_table_description |
$Portfolio_access_table_description $Fulltext_indicies $Portfolio_metadata_indices $Portfolio_access_indices $Portfolio_addedfields_table_description $Portfolio_addedfields_indices); |
$Portfolio_access_table_description $Fulltext_indicies $Portfolio_metadata_indices $Portfolio_access_indices $Portfolio_addedfields_table_description $Portfolio_addedfields_indices); |
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Line 502 sub lookup_metadata {
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Line 503 sub lookup_metadata {
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$error = $sth->errstr; |
$error = $sth->errstr; |
} |
} |
} |
} |
} |
} |
return ($error,$returnvalue); |
return ($error,$returnvalue); |
} |
} |
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Line 928 sub dynamic_metadata_storage {
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Line 929 sub dynamic_metadata_storage {
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return %Store; |
return %Store; |
} |
} |
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############################################################### |
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############################################################### |
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### ### |
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### &portfolio_metadata($filepath,$dom,$uname,$group) ### |
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### Retrieve metadata for the given file ### |
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### Returns array - ### |
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### contains reference to metadatahash and ### |
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### optional reference to addedfields hash ### |
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### ### |
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############################################################### |
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############################################################### |
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sub portfolio_metadata { |
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my ($fullpath,$dom,$uname,$group)=@_; |
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my ($mime) = ( $fullpath=~/\.(\w+)$/ ); |
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my %metacache=(); |
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if ($fullpath !~ /\.meta$/) { |
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$fullpath .= '.meta'; |
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} |
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my (@standard_fields,%addedfields); |
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my $colsref = $Portfolio_metadata_table_description; |
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if (ref($colsref) eq 'ARRAY') { |
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my @columns = @{$colsref}; |
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foreach my $coldata (@columns) { |
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push(@standard_fields,$coldata->{'name'}); |
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} |
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} |
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my $metastring=&getfile($fullpath); |
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if (! defined($metastring)) { |
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$metacache{'keys'}= 'owner,domain,mime'; |
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$metacache{'owner'} = $uname.':'.$dom; |
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$metacache{'domain'} = $dom; |
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$metacache{'mime'} = $mime; |
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if ($group ne '') { |
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$metacache{'keys'} .= ',courserestricted'; |
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$metacache{'courserestricted'} = 'course.'.$dom.'_'.$uname; |
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} |
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} else { |
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my $parser=HTML::TokeParser->new(\$metastring); |
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my $token; |
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while ($token=$parser->get_token) { |
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if ($token->[0] eq 'S') { |
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my $entry=$token->[1]; |
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if ($metacache{'keys'}) { |
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$metacache{'keys'}.=','.$entry; |
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} else { |
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$metacache{'keys'}=$entry; |
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} |
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my $value = $parser->get_text('/'.$entry); |
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if (!grep(/^\Q$entry\E$/,@standard_fields)) { |
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my $clean_value = lc($value); |
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$clean_value =~ s/\s/_/g; |
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if ($clean_value ne $entry) { |
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if (defined($addedfields{$entry})) { |
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$addedfields{$entry} .=','.$value; |
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} else { |
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$addedfields{$entry} = $value; |
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} |
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} |
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} else { |
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$metacache{$entry} = $value; |
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} |
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} |
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} # End of ($token->[0] eq 'S') |
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} |
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if (keys(%addedfields) > 0) { |
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foreach my $key (sort keys(%addedfields)) { |
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$metacache{'addedfieldnames'} .= $key.','; |
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$metacache{'addedfieldvalues'} .= $addedfields{$key}.'&&&'; |
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} |
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$metacache{'addedfieldnames'} =~ s/,$//; |
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$metacache{'addedfieldvalues'} =~ s/\&\&\&$//; |
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if ($metacache{'keys'}) { |
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$metacache{'keys'}.=',addedfieldnames'; |
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} else { |
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$metacache{'keys'}='addedfieldnames'; |
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} |
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$metacache{'keys'}.=',addedfieldvalues'; |
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} |
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return (\%metacache,$metacache{'courserestricted'},\%addedfields); |
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} |
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sub process_portfolio_access_data { |
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my ($dbh,$simulate,$newnames,$url,$fullpath,$access_hash,$caller) = @_; |
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my %loghash; |
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if ($caller eq 'update') { |
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# Delete old data (no error if deleting non-existent record). |
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my $error=&delete_metadata($dbh,$newnames->{'access'},$url); |
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if (defined($error)) { |
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$loghash{'access'}{'err'} = "MySQL Error Delete: ".$error; |
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return %loghash; |
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} |
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} |
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# Check the file exists |
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if (-e $fullpath) { |
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foreach my $key (keys(%{$access_hash})) { |
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my $acc_data; |
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$acc_data->{url} = $url; |
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$acc_data->{keynum} = $key; |
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my ($num,$scope,$end,$start) = |
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($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/); |
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next if (($scope ne 'public') && ($scope ne 'guest')); |
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$acc_data->{scope} = $scope; |
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if ($end != 0) { |
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$acc_data->{end} = &sqltime($end); |
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} |
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$acc_data->{start} = &sqltime($start); |
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if (! $simulate) { |
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my ($count,$err) = |
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&store_metadata($dbh,$newnames->{'access'}, |
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'portfolio_access',$acc_data); |
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if ($err) { |
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$loghash{$key}{'err'} = "MySQL Error Insert: ".$err; |
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} |
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if ($count < 1) { |
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$loghash{$key}{'count'} = |
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"Unable to insert record into MySQL database for $url"; |
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} |
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} |
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} |
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} |
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return %loghash; |
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} |
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sub process_portfolio_metadata { |
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my ($dbh,$simulate,$newnames,$url,$fullpath,$is_course,$dom,$uname,$group,$caller) = @_; |
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my %loghash; |
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if ($caller eq 'update') { |
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# Delete old data (no error if deleting non-existent record). |
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my $error=&delete_metadata($dbh,$newnames->{'portfolio'},$url); |
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if (defined($error)) { |
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$loghash{'metadata'}{'err'} = "MySQL Error delete metadata: ". |
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$error; |
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return %loghash; |
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} |
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$error=&delete_metadata($dbh,$newnames->{'addedfields'},$url); |
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if (defined($error)) { |
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$loghash{'addedfields'}{'err'}="MySQL Error delete addedfields: ".$error; |
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} |
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} |
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# Check the file exists. |
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if (-e $fullpath) { |
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my ($ref,$crs,$addedfields) = &portfolio_metadata($fullpath,$dom,$uname, |
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$group); |
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&getfiledates($ref,$fullpath); |
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if ($is_course) { |
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$ref->{'groupname'} = $group; |
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} |
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my %Data; |
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if (ref($ref) eq 'HASH') { |
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%Data = %{$ref}; |
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} |
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%Data = ( |
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%Data, |
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'url'=>$url, |
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'version'=>'current', |
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); |
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my %loghash; |
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if (! $simulate) { |
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my ($count,$err) = |
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&store_metadata($dbh,$newnames->{'portfolio'},'portfolio_metadata', |
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\%Data); |
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if ($err) { |
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$loghash{'metadata'."\0"}{'err'} = "MySQL Error Insert: ".$err; |
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} |
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if ($count < 1) { |
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$loghash{'metadata'."\0"}{'count'} = "Unable to insert record into MySQL portfolio_metadata database table for $url"; |
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} |
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if (ref($addedfields) eq 'HASH') { |
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if (keys(%{$addedfields}) > 0) { |
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foreach my $key (keys(%{$addedfields})) { |
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my $added_data = { |
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'url' => $url, |
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'field' => $key, |
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'value' => $addedfields->{$key}, |
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'courserestricted' => $crs, |
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}; |
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my ($count,$err) = |
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&store_metadata($dbh,$newnames->{'addedfields'}, |
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'portfolio_addedfields',$added_data); |
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if ($err) { |
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$loghash{$key}{'err'} = |
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"MySQL Error Insert: ".$err; |
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} |
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if ($count < 1) { |
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$loghash{$key}{'count'} = "Unable to insert record into MySQL portfolio_addedfields database table for url = $url and field = $key"; |
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} |
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} |
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} |
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} |
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} |
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} |
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return %loghash; |
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} |
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###################################################################### |
###################################################################### |
###################################################################### |
###################################################################### |
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## Utility originally in searchcat.pl. Moved to be more widely available. |
## Utilities originally in searchcat.pl. Moved to be more widely available. |
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sub getfile { |
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my $file = shift(); |
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if (! -e $file ) { |
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return undef; |
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} |
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my $fh=IO::File->new($file); |
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my $contents = ''; |
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while (<$fh>) { |
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$contents .= $_; |
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} |
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return $contents; |
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} |
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## |
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## &getfiledates() |
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## Converts creationdate and modifieddates to SQL format |
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## Applies stat() to file to retrieve dates if missing |
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sub getfiledates { |
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my ($ref,$target) = @_; |
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if (! defined($ref->{'creationdate'}) || |
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$ref->{'creationdate'} =~ /^\s*$/) { |
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$ref->{'creationdate'} = (stat($target))[9]; |
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} |
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if (! defined($ref->{'lastrevisiondate'}) || |
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$ref->{'lastrevisiondate'} =~ /^\s*$/) { |
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$ref->{'lastrevisiondate'} = (stat($target))[9]; |
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} |
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$ref->{'creationdate'} = &sqltime($ref->{'creationdate'}); |
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$ref->{'lastrevisiondate'} = &sqltime($ref->{'lastrevisiondate'}); |
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} |
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## |
## |
## &sqltime($timestamp) |
## &sqltime($timestamp) |
## |
## |