version 1.46, 2003/12/24 20:41:32
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version 1.76, 2007/04/11 22:44:18
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Line 56 This script also does general database m
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Line 56 This script also does general database m
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the C<loncapa:metadata> table if it is deprecated. |
the C<loncapa:metadata> table if it is deprecated. |
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This script evaluates dynamic metadata from the authors' |
This script evaluates dynamic metadata from the authors' |
F<nohist_resevaldata.db> database file in order to store it in MySQL, as |
F<nohist_resevaldata.db> database file in order to store it in MySQL. |
well as to compress the filesize (add up all "count"-type metadata). |
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This script is playing an increasingly important role for a loncapa |
This script is playing an increasingly important role for a loncapa |
library server. The proper operation of this script is critical for a smooth |
library server. The proper operation of this script is critical for a smooth |
Line 66 and correct user experience.
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Line 65 and correct user experience.
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=cut |
=cut |
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use strict; |
use strict; |
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use DBI; |
use lib '/home/httpd/lib/perl/'; |
use lib '/home/httpd/lib/perl/'; |
use LONCAPA::Configuration; |
use LONCAPA::lonmetadata; |
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use LONCAPA; |
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use Getopt::Long; |
use IO::File; |
use IO::File; |
use HTML::TokeParser; |
use HTML::TokeParser; |
use DBI; |
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use GDBM_File; |
use GDBM_File; |
use POSIX qw(strftime mktime); |
use POSIX qw(strftime mktime); |
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require "find.pl"; |
use Apache::lonnet(); |
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my @metalist; |
use File::Find; |
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my $simplestatus=''; |
# |
my %countext=(); |
# Set up configuration options |
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my ($simulate,$oneuser,$help,$verbose,$logfile,$debug); |
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GetOptions ( |
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'help' => \$help, |
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'simulate' => \$simulate, |
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'only=s' => \$oneuser, |
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'verbose=s' => \$verbose, |
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'debug' => \$debug, |
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); |
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if ($help) { |
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print <<"ENDHELP"; |
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$0 |
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Rebuild and update the LON-CAPA metadata database. |
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Options: |
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-help Print this help |
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-simulate Do not modify the database. |
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-only=user Only compute for the given user. Implies -simulate |
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-verbose=val Sets logging level, val must be a number |
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-debug Turns on debugging output |
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ENDHELP |
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exit 0; |
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} |
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if (! defined($debug)) { |
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$debug = 0; |
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} |
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if (! defined($verbose)) { |
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$verbose = 0; |
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} |
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if (defined($oneuser)) { |
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$simulate=1; |
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} |
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## |
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## Use variables for table names so we can test this routine a little easier |
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my %oldnames = ( |
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'metadata' => 'metadata', |
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'portfolio' => 'portfolio_metadata', |
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'access' => 'portfolio_access', |
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'addedfields' => 'portfolio_addedfields', |
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); |
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my %newnames; |
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# new table names - append pid to have unique temporary tables |
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foreach my $key (keys(%oldnames)) { |
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$newnames{$key} = 'new'.$oldnames{$key}.$$; |
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} |
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# ----------------------------------------------------- write out simple status |
# |
sub writesimple { |
# Only run if machine is a library server |
open(SMP,'>/home/httpd/html/lon-status/mysql.txt'); |
exit if ($Apache::lonnet::perlvar{'lonRole'} ne 'library'); |
print SMP $simplestatus."\n"; |
# |
close(SMP); |
# Make sure this process is running from user=www |
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my $wwwid=getpwnam('www'); |
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if ($wwwid!=$<) { |
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my $emailto="$Apache::lonnet::perlvar{'lonAdmEMail'},$Apache::lonnet::perlvar{'lonSysEMail'}"; |
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my $subj="LON: $Apache::lonnet::perlvar{'lonHostID'} User ID mismatch"; |
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system("echo 'User ID mismatch. searchcat.pl must be run as user www.' |\ |
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mail -s '$subj' $emailto > /dev/null"); |
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exit 1; |
} |
} |
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# |
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# Let people know we are running |
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open(LOG,'>>'.$Apache::lonnet::perlvar{'lonDaemons'}.'/logs/searchcat.log'); |
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&log(0,'==== Searchcat Run '.localtime()."===="); |
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sub writecount { |
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open(RSMP,'>/home/httpd/html/lon-status/rescount.txt'); |
if ($debug) { |
foreach (keys %countext) { |
&log(0,'simulating') if ($simulate); |
print RSMP $_.'='.$countext{$_}.'&'; |
&log(0,'only processing user '.$oneuser) if ($oneuser); |
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&log(0,'verbosity level = '.$verbose); |
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} |
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# |
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# Connect to database |
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my $dbh; |
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if (! ($dbh = DBI->connect("DBI:mysql:loncapa","www",$Apache::lonnet::perlvar{'lonSqlAccess'}, |
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{ RaiseError =>0,PrintError=>0}))) { |
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&log(0,"Cannot connect to database!"); |
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die "MySQL Error: Cannot connect to database!\n"; |
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} |
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# This can return an error and still be okay, so we do not bother checking. |
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# (perhaps it should be more robust and check for specific errors) |
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foreach my $key (keys(%newnames)) { |
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if ($newnames{$key} ne '') { |
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$dbh->do('DROP TABLE IF EXISTS '.$newnames{$key}); |
} |
} |
print RSMP 'time='.time."\n"; |
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close(RSMP); |
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} |
} |
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# -------------------------------------- counts files with different extensions |
# |
sub count { |
# Create the new metadata and portfolio tables |
my $file=shift; |
foreach my $key (keys(%newnames)) { |
$file=~/\.(\w+)$/; |
if ($newnames{$key} ne '') { |
my $ext=lc($1); |
my $request = |
if (defined($countext{$ext})) { |
&LONCAPA::lonmetadata::create_metadata_storage($newnames{$key},$oldnames{$key}); |
$countext{$ext}++; |
$dbh->do($request); |
} else { |
if ($dbh->err) { |
$countext{$ext}=1; |
$dbh->disconnect(); |
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&log(0,"MySQL Error Create: ".$dbh->errstr); |
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die $dbh->errstr; |
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} |
} |
} |
} |
} |
# ----------------------------------------------------- Un-Escape Special Chars |
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sub unescape { |
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my $str=shift; |
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$str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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return $str; |
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} |
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# -------------------------------------------------------- Escape Special Chars |
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sub escape { |
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my $str=shift; |
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$str =~ s/(\W)/"%".unpack('H2',$1)/eg; |
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return $str; |
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} |
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# ------------------------------------------- Code to evaluate dynamic metadata |
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sub dynamicmeta { |
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my $url=&declutter(shift); |
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$url=~s/\.meta$//; |
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my %returnhash=(); |
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my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//); |
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my $prodir=&propath($adomain,$aauthor); |
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# Get metadata except counts |
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if (tie(my %evaldata,'GDBM_File', |
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$prodir.'/nohist_resevaldata.db',&GDBM_READER(),0640)) { |
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my %sum=(); |
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my %cnt=(); |
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my %concat=(); |
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my %listitems=( |
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'course' => 'add', |
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'goto' => 'add', |
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'comefrom' => 'add', |
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'avetries' => 'avg', |
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'stdno' => 'add', |
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'difficulty' => 'avg', |
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'clear' => 'avg', |
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'technical' => 'avg', |
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'helpful' => 'avg', |
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'correct' => 'avg', |
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'depth' => 'avg', |
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'comments' => 'app', |
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'usage' => 'cnt' |
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); |
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my $regexp=$url; |
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$regexp=~s/(\W)/\\$1/g; |
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$regexp='___'.$regexp.'___([a-z]+)$'; |
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while (my ($esckey,$value)=each %evaldata) { |
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my $key=&unescape($esckey); |
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if ($key=~/$regexp/) { |
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my ($item,$purl,$cat)=split(/___/,$key); |
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if (defined($cnt{$cat})) { $cnt{$cat}++; } else { $cnt{$cat}=1; } |
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unless ($listitems{$cat} eq 'app') { |
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if (defined($sum{$cat})) { |
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$sum{$cat}+=$evaldata{$esckey}; |
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$concat{$cat}.=','.$item; |
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} else { |
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$sum{$cat}=$evaldata{$esckey}; |
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$concat{$cat}=$item; |
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} |
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} else { |
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if (defined($sum{$cat})) { |
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if ($evaldata{$esckey}=~/\w/) { |
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$sum{$cat}.='<hr>'.$evaldata{$esckey}; |
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} |
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} else { |
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$sum{$cat}=''.$evaldata{$esckey}; |
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} |
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} |
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} |
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} |
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untie(%evaldata); |
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# transfer gathered data to returnhash, calculate averages where applicable |
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while (my $cat=each(%cnt)) { |
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if ($listitems{$cat} eq 'avg') { |
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$returnhash{$cat}=int(($sum{$cat}/$cnt{$cat})*100.0+0.5)/100.0; |
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} elsif ($listitems{$cat} eq 'cnt') { |
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$returnhash{$cat}=$cnt{$cat}; |
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} else { |
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$returnhash{$cat}=$sum{$cat}; |
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} |
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$returnhash{$cat.'_list'}=$concat{$cat}; |
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} |
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} |
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# get count |
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if (tie(my %evaldata,'GDBM_File', |
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$prodir.'/nohist_accesscount.db',&GDBM_READER(),0640)) { |
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my $escurl=&escape($url); |
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if (! exists($evaldata{$escurl})) { |
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$returnhash{'count'}=0; |
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} else { |
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$returnhash{'count'}=$evaldata{$escurl}; |
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} |
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untie %evaldata; |
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} |
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return %returnhash; |
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} |
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# --------------- Read loncapa_apache.conf and loncapa.conf and get variables |
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my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf'); |
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my %perlvar=%{$perlvarref}; |
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undef $perlvarref; # remove since sensitive and not needed |
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delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed |
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# ------------------------------------- Only run if machine is a library server |
# |
exit unless $perlvar{'lonRole'} eq 'library'; |
# find out which users we need to examine |
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my @domains = sort(&Apache::lonnet::current_machine_domains()); |
# ----------------------------- Make sure this process is running from user=www |
&log(9,'domains ="'.join('","',@domains).'"'); |
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foreach my $dom (@domains) { |
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&log(9,'domain = '.$dom); |
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opendir(RESOURCES,"$Apache::lonnet::perlvar{'lonDocRoot'}/res/$dom"); |
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my @homeusers = |
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grep { |
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&ishome("$Apache::lonnet::perlvar{'lonDocRoot'}/res/$dom/$_"); |
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} grep { |
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!/^\.\.?$/; |
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} readdir(RESOURCES); |
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closedir RESOURCES; |
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&log(5,'users = '.$dom.':'.join(',',@homeusers)); |
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# |
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if ($oneuser) { |
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@homeusers=($oneuser); |
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} |
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# |
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# Loop through the users |
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foreach my $user (@homeusers) { |
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&log(0,"=== User: ".$user); |
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&process_dynamic_metadata($user,$dom); |
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# |
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# Use File::Find to get the files we need to read/modify |
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find( |
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{preprocess => \&only_meta_files, |
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#wanted => \&print_filename, |
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#wanted => \&log_metadata, |
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wanted => \&process_meta_file, |
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no_chdir => 1, |
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}, join('/',($Apache::lonnet::perlvar{'lonDocRoot'},'res',$dom,$user)) ); |
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} |
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# Search for public portfolio files |
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my %portusers; |
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if ($oneuser) { |
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%portusers = ( |
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$oneuser => '', |
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); |
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} else { |
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my $dir = $Apache::lonnet::perlvar{lonUsersDir}.'/'.$dom; |
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&descend_tree($dir,0,\%portusers); |
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} |
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foreach my $uname (keys(%portusers)) { |
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my $urlstart = '/uploaded/'.$dom.'/'.$uname; |
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my $pathstart = &propath($dom,$uname).'/userfiles'; |
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my $is_course = &Apache::lonnet::is_course($dom,$uname); |
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my $curr_perm = &Apache::lonnet::get_portfile_permissions($dom,$uname); |
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my %access = &Apache::lonnet::get_access_controls($curr_perm); |
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foreach my $file (keys(%access)) { |
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my ($group,$url,$fullpath); |
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if ($is_course) { |
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($group, my ($path)) = ($file =~ /^(\w+)(\/.+)$/); |
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$fullpath = $pathstart.'/groups/'.$group.'/portfolio'.$path; |
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$url = $urlstart.'/groups/'.$group.'/portfolio'.$path; |
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} else { |
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$fullpath = $pathstart.'/portfolio'.$file; |
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$url = $urlstart.'/portfolio'.$file; |
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} |
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if (ref($access{$file}) eq 'HASH') { |
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my %portaccesslog = |
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&LONCAPA::lonmetadata::process_portfolio_access_data($dbh, |
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$simulate,\%newnames,$url,$fullpath,$access{$file}); |
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&portfolio_logging(%portaccesslog); |
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} |
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my %portmetalog = &LONCAPA::lonmetadata::process_portfolio_metadata($dbh,$simulate,\%newnames,$url,$fullpath,$is_course,$dom,$uname,$group); |
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&portfolio_logging(%portmetalog); |
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} |
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} |
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} |
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my $wwwid=getpwnam('www'); |
# |
if ($wwwid!=$<) { |
# Rename the tables |
my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; |
if (! $simulate) { |
my $subj="LON: $perlvar{'lonHostID'} User ID mismatch"; |
foreach my $key (keys(%oldnames)) { |
system("echo 'User ID mismatch. searchcat.pl must be run as user www.' |\ |
if (($oldnames{$key} ne '') && ($newnames{$key} ne '')) { |
mailto $emailto -s '$subj' > /dev/null"); |
$dbh->do('DROP TABLE IF EXISTS '.$oldnames{$key}); |
exit 1; |
if (! $dbh->do('RENAME TABLE '.$newnames{$key}.' TO '.$oldnames{$key})) { |
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&log(0,"MySQL Error Rename: ".$dbh->errstr); |
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die $dbh->errstr; |
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} else { |
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&log(1,"MySQL table rename successful for $key."); |
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} |
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} |
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} |
} |
} |
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if (! $dbh->disconnect) { |
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&log(0,"MySQL Error Disconnect: ".$dbh->errstr); |
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die $dbh->errstr; |
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} |
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## |
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## Finished! |
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&log(0,"==== Searchcat completed ".localtime()." ===="); |
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close(LOG); |
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&write_type_count(); |
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&write_copyright_count(); |
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# ---------------------------------------------------------- We are in business |
exit 0; |
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open(LOG,'>'.$perlvar{'lonDaemons'}.'/logs/searchcat.log'); |
## |
print LOG '==== Searchcat Run '.localtime()."====\n\n"; |
## Status logging routine. Inputs: $level, $message |
$simplestatus='time='.time.'&'; |
## |
my $dbh; |
## $level 0 should be used for normal output and error messages |
# ------------------------------------- Make sure that database can be accessed |
## |
{ |
## $message does not need to end with \n. In the case of errors |
unless ( |
## the message should contain as much information as possible to |
$dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0}) |
## help in diagnosing the problem. |
) { |
## |
print LOG "Cannot connect to database!\n"; |
sub log { |
$simplestatus.='mysql=defunct'; |
my ($level,$message)=@_; |
&writesimple(); |
$level = 0 if (! defined($level)); |
exit; |
if ($verbose >= $level) { |
} |
print LOG $message.$/; |
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} |
# Create table for static metadata, unless exists |
} |
my $make_metadata_table = "CREATE TABLE IF NOT EXISTS metadata (". |
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"title TEXT, author TEXT, subject TEXT, url TEXT, keywords TEXT, ". |
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"version TEXT, notes TEXT, abstract TEXT, mime TEXT, language TEXT, ". |
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"creationdate DATETIME, lastrevisiondate DATETIME, owner TEXT, ". |
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"copyright TEXT, FULLTEXT idx_title (title), ". |
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"FULLTEXT idx_author (author), FULLTEXT idx_subject (subject), ". |
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"FULLTEXT idx_url (url), FULLTEXT idx_keywords (keywords), ". |
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"FULLTEXT idx_version (version), FULLTEXT idx_notes (notes), ". |
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"FULLTEXT idx_abstract (abstract), FULLTEXT idx_mime (mime), ". |
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"FULLTEXT idx_language (language), FULLTEXT idx_owner (owner), ". |
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"FULLTEXT idx_copyright (copyright)) TYPE=MYISAM"; |
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# It would sure be nice to have some logging mechanism. |
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$dbh->do($make_metadata_table); |
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# Create table for dynamic metadata, unless exists |
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my $make_dynmetadata_table = "CREATE TABLE IF NOT EXISTS dynmetadata (". |
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"url TEXT, count INTEGER UNSIGNED, ". |
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"course INTEGER UNSIGNED, course_list TEXT, ". |
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"goto INTEGER UNSIGNED, goto_list TEXT, ". |
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"comefrom INTEGER UNSIGNED, comefrom_list TEXT, ". |
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"usage INTEGER UNSIGNED, usage_list TEXT, ". |
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"stdno INTEGER UNSIGNED, stdno_list TEXT, ". |
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"avetries FLOAT, avetries_list TEXT, ". |
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"difficulty FLOAT, difficulty_list TEXT ". |
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"TYPE=MYISAM"; |
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# It would sure be nice to have some logging mechanism. |
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#### $dbh->do($make_dynmetadata_table); |
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sub portfolio_logging { |
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my (%portlog) = @_; |
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foreach my $key (keys(%portlog)) { |
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if (ref($portlog{$key}) eq 'HASH') { |
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foreach my $item (keys(%{$portlog{$key}})) { |
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&log(0,$portlog{$key}{$item}); |
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} |
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} |
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} |
} |
} |
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# ------------------------------------------------------------- get .meta files |
sub descend_tree { |
opendir(RESOURCES,"$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}"); |
my ($dir,$depth,$alldomusers) = @_; |
my @homeusers = grep { |
if (-d $dir) { |
&ishome("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$_") |
opendir(DIR,$dir); |
} grep {!/^\.\.?$/} readdir(RESOURCES); |
my @contents = grep(!/^\./,readdir(DIR)); |
closedir RESOURCES; |
closedir(DIR); |
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$depth ++; |
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foreach my $item (@contents) { |
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if ($depth < 4) { |
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&descend_tree($dir.'/'.$item,$depth,$alldomusers); |
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} else { |
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if (-e $dir.'/'.$item.'/file_permissions.db') { |
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|
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$$alldomusers{$item} = ''; |
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} |
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} |
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} |
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} |
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} |
|
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# |
######################################################## |
# Create the statement handlers we need |
######################################################## |
my $delete_sth = $dbh->prepare |
### ### |
("DELETE FROM metadata WHERE url LIKE BINARY ?"); |
### File::Find support routines ### |
|
### ### |
my $insert_sth = $dbh->prepare |
######################################################## |
("INSERT INTO metadata VALUES (". |
######################################################## |
"?,". # title |
## |
"?,". # author |
## &only_meta_files |
"?,". # subject |
## |
"?,". # m2??? |
## Called by File::Find. |
"?,". # version |
## Takes a list of files/directories in and returns a list of files/directories |
"?,". # current |
## to search. |
"?,". # notes |
sub only_meta_files { |
"?,". # abstract |
my @PossibleFiles = @_; |
"?,". # mime |
my @ChosenFiles; |
"?,". # language |
foreach my $file (@PossibleFiles) { |
"?,". # creationdate |
if ( ($file =~ /\.meta$/ && # Ends in meta |
"?,". # revisiondate |
$file !~ /\.\d+\.[^\.]+\.meta$/ # is not for a prior version |
"?,". # owner |
) || (-d $File::Find::dir."/".$file )) { # directories are okay |
"?)" # copyright |
# but we do not want /. or /.. |
); |
push(@ChosenFiles,$file); |
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} |
foreach my $user (@homeusers) { |
} |
print LOG "\n=== User: ".$user."\n\n"; |
return @ChosenFiles; |
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} |
my $prodir=&propath($perlvar{'lonDefDomain'},$user); |
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# Use find.pl |
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undef @metalist; |
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@metalist=(); |
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&find("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$user"); |
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# -- process each file to get metadata and put into search catalog SQL |
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# database. Also, check to see if already there. |
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# I could just delete (without searching first), but this works for now. |
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foreach my $m (@metalist) { |
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print LOG "- ".$m."\n"; |
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my $ref=&metadata($m); |
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my $m2='/res/'.&declutter($m); |
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$m2=~s/\.meta$//; |
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if ($ref->{'obsolete'}) { print LOG "obsolete\n"; next; } |
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if ($ref->{'copyright'} eq 'private') { print LOG "private\n"; next; } |
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&dynamicmeta($m2); |
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&count($m2); |
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$delete_sth->execute($m2); |
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$insert_sth->execute($ref->{'title'}, |
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$ref->{'author'}, |
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$ref->{'subject'}, |
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$m2, |
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$ref->{'keywords'}, |
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'current', |
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$ref->{'notes'}, |
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$ref->{'abstract'}, |
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$ref->{'mime'}, |
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$ref->{'language'}, |
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sqltime($ref->{'creationdate'}), |
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sqltime($ref->{'lastrevisiondate'}), |
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$ref->{'owner'}, |
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$ref->{'copyright'}); |
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# if ($dbh->err()) { |
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# print STDERR "Error:".$dbh->errstr()."\n"; |
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# } |
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$ref = undef; |
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} |
|
|
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# --------------------------------------------------- Clean up database |
|
# Need to, perhaps, remove stale SQL database records. |
|
# ... not yet implemented |
|
|
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} |
|
# --------------------------------------------------- Close database connection |
|
$dbh->disconnect; |
|
print LOG "\n==== Searchcat completed ".localtime()." ====\n"; |
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close(LOG); |
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&writesimple(); |
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&writecount(); |
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exit 0; |
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|
|
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## |
|
## |
|
## Debugging routines, use these for 'wanted' in the File::Find call |
|
## |
|
sub print_filename { |
|
my ($file) = $_; |
|
my $fullfilename = $File::Find::name; |
|
if ($debug) { |
|
if (-d $file) { |
|
&log(5," Got directory ".$fullfilename); |
|
} else { |
|
&log(5," Got file ".$fullfilename); |
|
} |
|
} |
|
$_=$file; |
|
} |
|
|
|
sub log_metadata { |
|
my ($file) = $_; |
|
my $fullfilename = $File::Find::name; |
|
return if (-d $fullfilename); # No need to do anything here for directories |
|
if ($debug) { |
|
&log(6,$fullfilename); |
|
my $ref = &metadata($fullfilename); |
|
if (! defined($ref)) { |
|
&log(6," No data"); |
|
return; |
|
} |
|
while (my($key,$value) = each(%$ref)) { |
|
&log(6," ".$key." => ".$value); |
|
} |
|
&count_copyright($ref->{'copyright'}); |
|
} |
|
$_=$file; |
|
} |
|
|
# ============================================================================= |
## |
|
## process_meta_file |
|
## Called by File::Find. |
|
## Only input is the filename in $_. |
|
sub process_meta_file { |
|
my ($file) = $_; |
|
my $filename = $File::Find::name; # full filename |
|
return if (-d $filename); # No need to do anything here for directories |
|
# |
|
&log(3,$filename) if ($debug); |
|
# |
|
my $ref = &metadata($filename); |
|
# |
|
# $url is the original file url, not the metadata file |
|
my $target = $filename; |
|
$target =~ s/\.meta$//; |
|
my $url='/res/'.&declutter($target); |
|
&log(3," ".$url) if ($debug); |
|
# |
|
# Ignore some files based on their metadata |
|
if ($ref->{'obsolete'}) { |
|
&log(3,"obsolete") if ($debug); |
|
return; |
|
} |
|
&count_copyright($ref->{'copyright'}); |
|
if ($ref->{'copyright'} eq 'private') { |
|
&log(3,"private") if ($debug); |
|
return; |
|
} |
|
# |
|
# Find the dynamic metadata |
|
my %dyn; |
|
if ($url=~ m:/default$:) { |
|
$url=~ s:/default$:/:; |
|
&log(3,"Skipping dynamic data") if ($debug); |
|
} else { |
|
&log(3,"Retrieving dynamic data") if ($debug); |
|
%dyn=&get_dynamic_metadata($url); |
|
&count_type($url); |
|
} |
|
&LONCAPA::lonmetadata::getfiledates($ref,$target); |
|
# |
|
my %Data = ( |
|
%$ref, |
|
%dyn, |
|
'url'=>$url, |
|
'version'=>'current'); |
|
if (! $simulate) { |
|
my ($count,$err) = |
|
&LONCAPA::lonmetadata::store_metadata($dbh,$newnames{'metadata'}, |
|
'metadata',\%Data); |
|
if ($err) { |
|
&log(0,"MySQL Error Insert: ".$err); |
|
} |
|
if ($count < 1) { |
|
&log(0,"Unable to insert record into MySQL database for $url"); |
|
} |
|
} |
|
# |
|
# Reset $_ before leaving |
|
$_ = $file; |
|
} |
|
|
# ---------------------------------------------------------------- Get metadata |
######################################################## |
# significantly altered from subroutine present in lonnet |
######################################################## |
|
### ### |
|
### &metadata($uri) ### |
|
### Retrieve metadata for the given file ### |
|
### ### |
|
######################################################## |
|
######################################################## |
sub metadata { |
sub metadata { |
my ($uri,$what)=@_; |
my ($uri) = @_; |
my %metacache; |
my %metacache=(); |
$uri=&declutter($uri); |
$uri=&declutter($uri); |
my $filename=$uri; |
my $filename=$uri; |
$uri=~s/\.meta$//; |
$uri=~s/\.meta$//; |
$uri=''; |
$uri=''; |
unless ($metacache{$uri.'keys'}) { |
if ($filename !~ /\.meta$/) { |
unless ($filename=~/\.meta$/) { $filename.='.meta'; } |
$filename.='.meta'; |
my $metastring=&getfile($perlvar{'lonDocRoot'}.'/res/'.$filename); |
} |
my $parser=HTML::TokeParser->new(\$metastring); |
my $metastring = |
my $token; |
&LONCAPA::lonmetadata::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$filename); |
while ($token=$parser->get_token) { |
return undef if (! defined($metastring)); |
if ($token->[0] eq 'S') { |
my $parser=HTML::TokeParser->new(\$metastring); |
my $entry=$token->[1]; |
my $token; |
my $unikey=$entry; |
while ($token=$parser->get_token) { |
if (defined($token->[2]->{'part'})) { |
if ($token->[0] eq 'S') { |
$unikey.='_'.$token->[2]->{'part'}; |
my $entry=$token->[1]; |
} |
my $unikey=$entry; |
if (defined($token->[2]->{'name'})) { |
if (defined($token->[2]->{'part'})) { |
$unikey.='_'.$token->[2]->{'name'}; |
$unikey.='_'.$token->[2]->{'part'}; |
} |
|
if ($metacache{$uri.'keys'}) { |
|
$metacache{$uri.'keys'}.=','.$unikey; |
|
} else { |
|
$metacache{$uri.'keys'}=$unikey; |
|
} |
|
map { |
|
$metacache{$uri.''.$unikey.'.'.$_}=$token->[2]->{$_}; |
|
} @{$token->[3]}; |
|
unless ( |
|
$metacache{$uri.''.$unikey}=$parser->get_text('/'.$entry) |
|
) { $metacache{$uri.''.$unikey}= |
|
$metacache{$uri.''.$unikey.'.default'}; |
|
} |
|
} |
} |
} |
if (defined($token->[2]->{'name'})) { |
|
$unikey.='_'.$token->[2]->{'name'}; |
|
} |
|
if ($metacache{$uri.'keys'}) { |
|
$metacache{$uri.'keys'}.=','.$unikey; |
|
} else { |
|
$metacache{$uri.'keys'}=$unikey; |
|
} |
|
foreach ( @{$token->[3]}) { |
|
$metacache{$uri.''.$unikey.'.'.$_}=$token->[2]->{$_}; |
|
} |
|
if (! ($metacache{$uri.''.$unikey}=$parser->get_text('/'.$entry))){ |
|
$metacache{$uri.''.$unikey} = |
|
$metacache{$uri.''.$unikey.'.default'}; |
|
} |
|
} # End of ($token->[0] eq 'S') |
} |
} |
return \%metacache; |
return \%metacache; |
} |
} |
|
|
# ------------------------------------------------------------ Serves up a file |
######################################################## |
# returns either the contents of the file or a -1 |
######################################################## |
sub getfile { |
### ### |
|
### Dynamic Metadata ### |
|
### ### |
|
######################################################## |
|
######################################################## |
|
## |
|
## Dynamic metadata description (incomplete) |
|
## |
|
## For a full description of all fields, |
|
## see LONCAPA::lonmetadata |
|
## |
|
## Field Type |
|
##----------------------------------------------------------- |
|
## count integer |
|
## course integer |
|
## course_list comma separated list of course ids |
|
## avetries real |
|
## avetries_list comma separated list of real numbers |
|
## stdno real |
|
## stdno_list comma separated list of real numbers |
|
## usage integer |
|
## usage_list comma separated list of resources |
|
## goto scalar |
|
## goto_list comma separated list of resources |
|
## comefrom scalar |
|
## comefrom_list comma separated list of resources |
|
## difficulty real |
|
## difficulty_list comma separated list of real numbers |
|
## sequsage scalar |
|
## sequsage_list comma separated list of resources |
|
## clear real |
|
## technical real |
|
## correct real |
|
## helpful real |
|
## depth real |
|
## comments html of all the comments made |
|
## |
|
{ |
|
|
|
my %DynamicData; |
|
my %Counts; |
|
|
|
sub process_dynamic_metadata { |
|
my ($user,$dom) = @_; |
|
undef(%DynamicData); |
|
undef(%Counts); |
|
# |
|
my $prodir = &propath($dom,$user); |
|
# |
|
# Read in the dynamic metadata |
|
my %evaldata; |
|
if (! tie(%evaldata,'GDBM_File', |
|
$prodir.'/nohist_resevaldata.db',&GDBM_READER(),0640)) { |
|
return 0; |
|
} |
|
# |
|
%DynamicData = &LONCAPA::lonmetadata::process_reseval_data(\%evaldata); |
|
untie(%evaldata); |
|
$DynamicData{'domain'} = $dom; |
|
#print('user = '.$user.' domain = '.$dom.$/); |
|
# |
|
# Read in the access count data |
|
&log(7,'Reading access count data') if ($debug); |
|
my %countdata; |
|
if (! tie(%countdata,'GDBM_File', |
|
$prodir.'/nohist_accesscount.db',&GDBM_READER(),0640)) { |
|
return 0; |
|
} |
|
while (my ($key,$count) = each(%countdata)) { |
|
next if ($key !~ /^$dom/); |
|
$key = &unescape($key); |
|
&log(8,' Count '.$key.' = '.$count) if ($debug); |
|
$Counts{$key}=$count; |
|
} |
|
untie(%countdata); |
|
if ($debug) { |
|
&log(7,scalar(keys(%Counts)). |
|
" Counts read for ".$user."@".$dom); |
|
&log(7,scalar(keys(%DynamicData)). |
|
" Dynamic metadata read for ".$user."@".$dom); |
|
} |
|
# |
|
return 1; |
|
} |
|
|
|
sub get_dynamic_metadata { |
|
my ($url) = @_; |
|
$url =~ s:^/res/::; |
|
my %data = &LONCAPA::lonmetadata::process_dynamic_metadata($url, |
|
\%DynamicData); |
|
# find the count |
|
$data{'count'} = $Counts{$url}; |
|
# |
|
# Log the dynamic metadata |
|
if ($debug) { |
|
while (my($k,$v)=each(%data)) { |
|
&log(8," ".$k." => ".$v); |
|
} |
|
} |
|
return %data; |
|
} |
|
|
|
} # End of %DynamicData and %Counts scope |
|
|
|
######################################################## |
|
######################################################## |
|
### ### |
|
### Counts ### |
|
### ### |
|
######################################################## |
|
######################################################## |
|
{ |
|
|
|
my %countext; |
|
|
|
sub count_type { |
my $file=shift; |
my $file=shift; |
if (! -e $file ) { return -1; }; |
$file=~/\.(\w+)$/; |
my $fh=IO::File->new($file); |
my $ext=lc($1); |
my $a=''; |
$countext{$ext}++; |
while (<$fh>) { $a .=$_; } |
|
return $a; |
|
} |
} |
|
|
# ------------------------------------------------------------- Declutters URLs |
sub write_type_count { |
sub declutter { |
open(RESCOUNT,'>/home/httpd/html/lon-status/rescount.txt'); |
my $thisfn=shift; |
while (my ($extension,$count) = each(%countext)) { |
$thisfn=~s/^$perlvar{'lonDocRoot'}//; |
print RESCOUNT $extension.'='.$count.'&'; |
$thisfn=~s/^\///; |
} |
$thisfn=~s/^res\///; |
print RESCOUNT 'time='.time."\n"; |
return $thisfn; |
close(RESCOUNT); |
|
} |
|
|
|
} # end of scope for %countext |
|
|
|
{ |
|
|
|
my %copyrights; |
|
|
|
sub count_copyright { |
|
$copyrights{@_[0]}++; |
|
} |
|
|
|
sub write_copyright_count { |
|
open(COPYCOUNT,'>/home/httpd/html/lon-status/copyrightcount.txt'); |
|
while (my ($copyright,$count) = each(%copyrights)) { |
|
print COPYCOUNT $copyright.'='.$count.'&'; |
|
} |
|
print COPYCOUNT 'time='.time."\n"; |
|
close(COPYCOUNT); |
} |
} |
|
|
# --------------------------------------- Is this the home server of an author? |
} # end of scope for %copyrights |
# (copied from lond, modification of the return value) |
|
|
######################################################## |
|
######################################################## |
|
### ### |
|
### Miscellanous Utility Routines ### |
|
### ### |
|
######################################################## |
|
######################################################## |
|
## |
|
## &ishome($username) |
|
## Returns 1 if $username is a LON-CAPA author, 0 otherwise |
|
## (copied from lond, modification of the return value) |
sub ishome { |
sub ishome { |
my $author=shift; |
my $author=shift; |
$author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/; |
$author=~s{/home/httpd/html/res/([^/]*)/([^/]*).*}{$1/$2}; |
my ($udom,$uname)=split(/\//,$author); |
my ($udom,$uname)=split(/\//,$author); |
my $proname=propath($udom,$uname); |
my $proname=propath($udom,$uname); |
if (-e $proname) { |
if (-e $proname) { |
Line 445 sub ishome {
|
Line 689 sub ishome {
|
} |
} |
} |
} |
|
|
# -------------------------------------------- Return path to profile directory |
## |
# (copied from lond) |
## &declutter($filename) |
sub propath { |
## Given a filename, returns a url for the filename. |
my ($udom,$uname)=@_; |
sub declutter { |
$udom=~s/\W//g; |
my $thisfn=shift; |
$uname=~s/\W//g; |
$thisfn=~s/^$Apache::lonnet::perlvar{'lonDocRoot'}//; |
my $subdir=$uname.'__'; |
$thisfn=~s/^\///; |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
$thisfn=~s/^res\///; |
my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
return $thisfn; |
return $proname; |
|
} |
|
|
|
# ---------------------------- convert 'time' format into a datetime sql format |
|
sub sqltime { |
|
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = |
|
localtime(&unsqltime(@_[0])); |
|
$mon++; $year+=1900; |
|
return "$year-$mon-$mday $hour:$min:$sec"; |
|
} |
|
|
|
sub maketime { |
|
my %th=@_; |
|
return POSIX::mktime(($th{'seconds'},$th{'minutes'},$th{'hours'}, |
|
$th{'day'},$th{'month'}-1, |
|
$th{'year'}-1900,0,0,$th{'dlsav'})); |
|
} |
|
|
|
|
|
######################################### |
|
# |
|
# Retro-fixing of un-backward-compatible time format |
|
|
|
sub unsqltime { |
|
my $timestamp=shift; |
|
if ($timestamp=~/^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/) { |
|
$timestamp=&maketime('year'=>$1,'month'=>$2,'day'=>$3, |
|
'hours'=>$4,'minutes'=>$5,'seconds'=>$6); |
|
} |
|
return $timestamp; |
|
} |
} |
|
|
# ----------------- Code to enable 'find' subroutine listing of the .meta files |
|
|
|
no strict "vars"; |
|
|
|
sub wanted { |
|
(($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) && |
|
-f _ && |
|
/^.*\.meta$/ && !/^.+\.\d+\.[^\.]+\.meta$/ && |
|
push(@metalist,"$dir/$_"); |
|
} |
|