version 1.5, 2001/04/16 12:10:26
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version 1.75, 2007/01/02 12:52:22
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#!/usr/bin/perl |
#!/usr/bin/perl |
# The LearningOnline Network |
# The LearningOnline Network |
# searchcat.pl "Search Catalog" batch script |
# searchcat.pl "Search Catalog" batch script |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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### |
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=pod |
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=head1 NAME |
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B<searchcat.pl> - put authoritative filesystem data into sql database. |
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=head1 SYNOPSIS |
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Ordinarily this script is to be called from a loncapa cron job |
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(CVS source location: F<loncapa/loncom/cron/loncapa>; typical |
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filesystem installation location: F</etc/cron.d/loncapa>). |
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Here is the cron job entry. |
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C<# Repopulate and refresh the metadata database used for the search catalog.> |
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C<10 1 * * 7 www /home/httpd/perl/searchcat.pl> |
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This script only allows itself to be run as the user C<www>. |
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=head1 DESCRIPTION |
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This script goes through a loncapa resource directory and gathers metadata. |
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The metadata is entered into a SQL database. |
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This script also does general database maintenance such as reformatting |
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the C<loncapa:metadata> table if it is deprecated. |
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This script evaluates dynamic metadata from the authors' |
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F<nohist_resevaldata.db> database file in order to store it in MySQL. |
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This script is playing an increasingly important role for a loncapa |
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library server. The proper operation of this script is critical for a smooth |
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and correct user experience. |
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=cut |
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use strict; |
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use DBI; |
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use lib '/home/httpd/lib/perl/'; |
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use LONCAPA::lonmetadata; |
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# 04/14/2001 Scott Harrison |
use Getopt::Long; |
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# This script goes through a LON-CAPA resource |
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# directory and gathers metadata. |
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# The metadata is entered into a SQL database. |
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use IO::File; |
use IO::File; |
use HTML::TokeParser; |
use HTML::TokeParser; |
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use GDBM_File; |
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use POSIX qw(strftime mktime); |
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my @metalist; |
use Apache::lonnet(); |
# ----------------- Code to enable 'find' subroutine listing of the .meta files |
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require "find.pl"; |
use File::Find; |
sub wanted { |
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(($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) && |
# |
-f _ && |
# Set up configuration options |
/^.*\.meta$/ && |
my ($simulate,$oneuser,$help,$verbose,$logfile,$debug); |
push(@metalist,"$dir/$_"); |
GetOptions ( |
} |
'help' => \$help, |
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'simulate' => \$simulate, |
# ------------------------------------ Read httpd access.conf and get variables |
'only=s' => \$oneuser, |
open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf"; |
'verbose=s' => \$verbose, |
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'debug' => \$debug, |
while ($configline=<CONFIG>) { |
); |
if ($configline =~ /PerlSetVar/) { |
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my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
if ($help) { |
chomp($varvalue); |
print <<"ENDHELP"; |
$perlvar{$varname}=$varvalue; |
$0 |
} |
Rebuild and update the LON-CAPA metadata database. |
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Options: |
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-help Print this help |
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-simulate Do not modify the database. |
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-only=user Only compute for the given user. Implies -simulate |
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-verbose=val Sets logging level, val must be a number |
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-debug Turns on debugging output |
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ENDHELP |
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exit 0; |
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} |
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if (! defined($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}.$$; |
} |
} |
close(CONFIG); |
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# |
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# Only run if machine is a library server |
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exit if ($Apache::lonnet::perlvar{'lonRole'} ne 'library'); |
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# |
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# 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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# |
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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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if ($debug) { |
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&log(0,'simulating') if ($simulate); |
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&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 |
my $dbh; |
my $dbh; |
# ------------------------------------- Make sure that database can be accessed |
if (! ($dbh = DBI->connect("DBI:mysql:loncapa","www",$Apache::lonnet::perlvar{'lonSqlAccess'}, |
{ |
{ RaiseError =>0,PrintError=>0}))) { |
unless ( |
&log(0,"Cannot connect to database!"); |
$dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0}) |
die "MySQL Error: Cannot connect to database!\n"; |
) { |
} |
print "Cannot connect to database!\n"; |
# This can return an error and still be okay, so we do not bother checking. |
exit; |
# (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}); |
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} |
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} |
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# |
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# Create the new metadata and portfolio tables |
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foreach my $key (keys(%newnames)) { |
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if ($newnames{$key} ne '') { |
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my $request = |
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&LONCAPA::lonmetadata::create_metadata_storage($newnames{$key},$oldnames{$key}); |
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$dbh->do($request); |
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if ($dbh->err) { |
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$dbh->disconnect(); |
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&log(0,"MySQL Error Create: ".$dbh->errstr); |
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die $dbh->errstr; |
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} |
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} |
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} |
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# |
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# find out which users we need to examine |
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my @domains = sort(&Apache::lonnet::current_machine_domains()); |
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&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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# ------------------------------------------------------------- get .meta files |
# |
opendir(RESOURCES,"$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}"); |
# Rename the tables |
my @homeusers=grep |
if (! $simulate) { |
{&ishome("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$_")} |
foreach my $key (keys(%oldnames)) { |
grep {!/^\.\.?$/} readdir(RESOURCES); |
if (($oldnames{$key} ne '') && ($newnames{$key} ne '')) { |
closedir RESOURCES; |
$dbh->do('DROP TABLE IF EXISTS '.$oldnames{$key}); |
foreach my $user (@homeusers) { |
if (! $dbh->do('RENAME TABLE '.$newnames{$key}.' TO '.$oldnames{$key})) { |
&find("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$user"); |
&log(0,"MySQL Error Rename: ".$dbh->errstr); |
} |
die $dbh->errstr; |
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} else { |
# -- process each file to get metadata and put into search catalog SQL database |
&log(1,"MySQL table rename successful for $key."); |
foreach my $m (@metalist) { |
} |
my $ref=&metadata($m); |
} |
my $sth=$dbh->prepare('insert into metadata values ('. |
} |
delete($ref->{'title'}), |
} |
delete($ref->{'author'}).','. |
if (! $dbh->disconnect) { |
delete($ref->{'subject'}).','. |
&log(0,"MySQL Error Disconnect: ".$dbh->errstr); |
delete($ref->{'url'}).','. |
die $dbh->errstr; |
delete($ref->{'keywords'}).','. |
} |
delete($ref->{'version'}).','. |
## |
delete($ref->{'notes'}).','. |
## Finished! |
delete($ref->{'abstract'}).','. |
&log(0,"==== Searchcat completed ".localtime()." ===="); |
delete($ref->{'mime'}).','. |
close(LOG); |
delete($ref->{'language'}).','. |
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delete($ref->{'creationdate'}).','. |
&write_type_count(); |
delete($ref->{'lastrevisiondate'}).','. |
&write_copyright_count(); |
delete($ref->{'owner'}).','. |
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delete($ref->{'copyright'})); |
exit 0; |
$sth->execute(); |
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} |
## |
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## Status logging routine. Inputs: $level, $message |
# ----------------------------------------------------------- Clean up database |
## |
# Need to, perhaps, remove stale SQL database records. |
## $level 0 should be used for normal output and error messages |
# ... not yet implemented |
## |
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## $message does not need to end with \n. In the case of errors |
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## the message should contain as much information as possible to |
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## help in diagnosing the problem. |
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## |
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sub log { |
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my ($level,$message)=@_; |
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$level = 0 if (! defined($level)); |
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if ($verbose >= $level) { |
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print LOG $message.$/; |
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} |
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} |
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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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} |
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# --------------------------------------------------- Close database connection |
sub descend_tree { |
$dbh->disconnect; |
my ($dir,$depth,$alldomusers) = @_; |
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if (-d $dir) { |
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opendir(DIR,$dir); |
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my @contents = grep(!/^\./,readdir(DIR)); |
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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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$$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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######################################################## |
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######################################################## |
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### ### |
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### File::Find support routines ### |
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### ### |
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######################################################## |
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######################################################## |
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## |
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## &only_meta_files |
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## |
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## Called by File::Find. |
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## Takes a list of files/directories in and returns a list of files/directories |
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## to search. |
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sub only_meta_files { |
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my @PossibleFiles = @_; |
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my @ChosenFiles; |
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foreach my $file (@PossibleFiles) { |
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if ( ($file =~ /\.meta$/ && # Ends in meta |
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$file !~ /\.\d+\.[^\.]+\.meta$/ # is not for a prior version |
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) || (-d $File::Find::dir."/".$file )) { # directories are okay |
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# but we do not want /. or /.. |
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push(@ChosenFiles,$file); |
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} |
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} |
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return @ChosenFiles; |
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} |
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## |
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## |
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## Debugging routines, use these for 'wanted' in the File::Find call |
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## |
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sub print_filename { |
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my ($file) = $_; |
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my $fullfilename = $File::Find::name; |
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if ($debug) { |
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if (-d $file) { |
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&log(5," Got directory ".$fullfilename); |
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} else { |
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&log(5," Got file ".$fullfilename); |
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} |
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} |
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$_=$file; |
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} |
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sub log_metadata { |
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my ($file) = $_; |
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my $fullfilename = $File::Find::name; |
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return if (-d $fullfilename); # No need to do anything here for directories |
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if ($debug) { |
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&log(6,$fullfilename); |
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my $ref = &metadata($fullfilename); |
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if (! defined($ref)) { |
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&log(6," No data"); |
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return; |
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} |
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while (my($key,$value) = each(%$ref)) { |
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&log(6," ".$key." => ".$value); |
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} |
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&count_copyright($ref->{'copyright'}); |
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} |
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$_=$file; |
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} |
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## |
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## process_meta_file |
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## Called by File::Find. |
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## Only input is the filename in $_. |
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sub process_meta_file { |
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my ($file) = $_; |
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my $filename = $File::Find::name; # full filename |
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return if (-d $filename); # No need to do anything here for directories |
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# |
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&log(3,$filename) if ($debug); |
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# |
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my $ref = &metadata($filename); |
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# |
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# $url is the original file url, not the metadata file |
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my $target = $filename; |
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$target =~ s/\.meta$//; |
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my $url='/res/'.&declutter($target); |
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&log(3," ".$url) if ($debug); |
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# |
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# Ignore some files based on their metadata |
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if ($ref->{'obsolete'}) { |
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&log(3,"obsolete") if ($debug); |
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return; |
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} |
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&count_copyright($ref->{'copyright'}); |
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if ($ref->{'copyright'} eq 'private') { |
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&log(3,"private") if ($debug); |
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return; |
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} |
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# |
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# Find the dynamic metadata |
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my %dyn; |
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if ($url=~ m:/default$:) { |
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$url=~ s:/default$:/:; |
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&log(3,"Skipping dynamic data") if ($debug); |
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} else { |
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&log(3,"Retrieving dynamic data") if ($debug); |
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%dyn=&get_dynamic_metadata($url); |
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&count_type($url); |
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} |
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&LONCAPA::lonmetadata::getfiledates($ref,$target); |
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# |
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my %Data = ( |
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%$ref, |
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%dyn, |
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'url'=>$url, |
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'version'=>'current'); |
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if (! $simulate) { |
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my ($count,$err) = |
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&LONCAPA::lonmetadata::store_metadata($dbh,$newnames{'metadata'}, |
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'metadata',\%Data); |
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if ($err) { |
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&log(0,"MySQL Error Insert: ".$err); |
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} |
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if ($count < 1) { |
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&log(0,"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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# Reset $_ before leaving |
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$_ = $file; |
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} |
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# ---------------------------------------------------------------- Get metadata |
######################################################## |
# significantly altered from subroutine present in lonnet |
######################################################## |
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### ### |
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### &metadata($uri) ### |
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### Retrieve metadata for the given file ### |
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### ### |
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######################################################## |
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######################################################## |
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'}) { |
if (defined($token->[2]->{'name'})) { |
$metacache{$uri.'keys'}.=','.$unikey; |
$unikey.='_'.$token->[2]->{'name'}; |
} else { |
} |
$metacache{$uri.'keys'}=$unikey; |
if ($metacache{$uri.'keys'}) { |
} |
$metacache{$uri.'keys'}.=','.$unikey; |
map { |
} else { |
$metacache{$uri.''.$unikey.'.'.$_}=$token->[2]->{$_}; |
$metacache{$uri.'keys'}=$unikey; |
} @{$token->[3]}; |
} |
unless ( |
foreach ( @{$token->[3]}) { |
$metacache{$uri.''.$unikey}=$parser->get_text('/'.$entry) |
$metacache{$uri.''.$unikey.'.'.$_}=$token->[2]->{$_}; |
) { $metacache{$uri.''.$unikey}= |
} |
$metacache{$uri.''.$unikey.'.default'}; |
if (! ($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 { |
### ### |
my $file=shift; |
### Dynamic Metadata ### |
if (! -e $file ) { return -1; }; |
### ### |
my $fh=IO::File->new($file); |
######################################################## |
my $a=''; |
######################################################## |
while (<$fh>) { $a .=$_; } |
## |
return $a |
## Dynamic metadata description (incomplete) |
|
## |
|
## For a full description of all fields, |
|
## see LONCAPA::lonmetadata |
|
## |
|
## Field Type |
|
##----------------------------------------------------------- |
|
## count integer |
|
## course integer |
|
## course_list comma separated list of course ids |
|
## avetries real |
|
## avetries_list comma separated list of real numbers |
|
## stdno real |
|
## stdno_list comma separated list of real numbers |
|
## usage integer |
|
## usage_list comma separated list of resources |
|
## goto scalar |
|
## goto_list comma separated list of resources |
|
## comefrom scalar |
|
## comefrom_list comma separated list of resources |
|
## difficulty real |
|
## difficulty_list comma separated list of real numbers |
|
## sequsage scalar |
|
## sequsage_list comma separated list of resources |
|
## clear real |
|
## technical real |
|
## correct real |
|
## helpful real |
|
## depth real |
|
## comments html of all the comments made |
|
## |
|
{ |
|
|
|
my %DynamicData; |
|
my %Counts; |
|
|
|
sub process_dynamic_metadata { |
|
my ($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; |
} |
} |
|
|
# ------------------------------------------------------------- Declutters URLs |
sub get_dynamic_metadata { |
sub declutter { |
my ($url) = @_; |
my $thisfn=shift; |
$url =~ s:^/res/::; |
$thisfn=~s/^$perlvar{'lonDocRoot'}//; |
my %data = &LONCAPA::lonmetadata::process_dynamic_metadata($url, |
$thisfn=~s/^\///; |
\%DynamicData); |
$thisfn=~s/^res\///; |
# find the count |
return $thisfn; |
$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; |
|
$file=~/\.(\w+)$/; |
|
my $ext=lc($1); |
|
$countext{$ext}++; |
|
} |
|
|
|
sub write_type_count { |
|
open(RESCOUNT,'>/home/httpd/html/lon-status/rescount.txt'); |
|
while (my ($extension,$count) = each(%countext)) { |
|
print RESCOUNT $extension.'='.$count.'&'; |
|
} |
|
print RESCOUNT 'time='.time."\n"; |
|
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\/$2/; |
Line 159 sub ishome {
|
Line 689 sub ishome {
|
} |
} |
} |
} |
|
|
# -------------------------------------------- Return path to profile directory |
## |
# (copied from lond) |
## &propath($udom,$uname) |
|
## Returns the path to the users LON-CAPA directory |
|
## (copied from lond) |
sub propath { |
sub propath { |
my ($udom,$uname)=@_; |
my ($udom,$uname)=@_; |
$udom=~s/\W//g; |
$udom=~s/\W//g; |
$uname=~s/\W//g; |
$uname=~s/\W//g; |
my $subdir=$uname.'__'; |
my $subdir=$uname.'__'; |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/; |
my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
my $proname="$Apache::lonnet::perlvar{'lonUsersDir'}/$udom/$subdir/$uname"; |
return $proname; |
return $proname; |
} |
} |
|
|
|
## |
|
## &declutter($filename) |
|
## Given a filename, returns a url for the filename. |
|
sub declutter { |
|
my $thisfn=shift; |
|
$thisfn=~s/^$Apache::lonnet::perlvar{'lonDocRoot'}//; |
|
$thisfn=~s/^\///; |
|
$thisfn=~s/^res\///; |
|
return $thisfn; |
|
} |
|
|
|
## |
|
## Escape / Unescape special characters |
|
sub unescape { |
|
my $str=shift; |
|
$str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
|
return $str; |
|
} |
|
|
|
sub escape { |
|
my $str=shift; |
|
$str =~ s/(\W)/"%".unpack('H2',$1)/eg; |
|
return $str; |
|
} |