version 1.15, 2001/04/17 13:36:07
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version 1.26, 2003/01/04 15:04:12
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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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# YEAR=2001 |
# 04/14/2001, 04/16/2001 Scott Harrison |
# 04/14/2001, 04/16/2001 Scott Harrison |
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# |
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# YEAR=2002 |
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# 05/11/2002 Scott Harrison |
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# |
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### |
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# This script goes through a LON-CAPA resource |
# This script goes through a LON-CAPA resource |
# directory and gathers metadata. |
# directory and gathers metadata. |
# The metadata is entered into a SQL database. |
# The metadata is entered into a SQL database. |
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use lib '/home/httpd/lib/perl/'; |
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use LONCAPA::Configuration; |
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use IO::File; |
use IO::File; |
use HTML::TokeParser; |
use HTML::TokeParser; |
use DBI; |
use DBI; |
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use GDBM_File; |
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use POSIX qw(strftime mktime); |
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my @metalist; |
my @metalist; |
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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,$aauthor); |
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if ((tie(%evaldata,'GDBM_File', |
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$prodir.'/nohist_resevaldata.db',&GDBM_READER(),0640)) && |
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(tie(%newevaldata,'GDBM_File', |
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$prodir.'/nohist_new_resevaldata.db',&GDBM_WRCREAT(),0640))) { |
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my %sum=(); |
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my %cnt=(); |
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my %listitems=('count' => 'add', |
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'course' => '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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foreach (keys %evaldata) { |
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my $key=&unescape($_); |
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if ($key=~/$regexp/) { |
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my $ctype=$1; |
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if (defined($cnt{$ctype})) { |
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$cnt{$ctype}++; |
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} else { |
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$cnt{$ctype}=1; |
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} |
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unless ($listitems{$ctype} eq 'app') { |
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if (defined($sum{$ctype})) { |
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$sum{$ctype}+=$evaldata{$_}; |
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} else { |
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$sum{$ctype}=$evaldata{$_}; |
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} |
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} else { |
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if (defined($sum{$ctype})) { |
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if ($evaldata{$_}) { |
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$sum{$ctype}.='<hr>'.$evaldata{$_}; |
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} |
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} else { |
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$sum{$ctype}=''.$evaldata{$_}; |
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} |
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} |
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if ($ctype ne 'count') { |
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$newevaldata{$_}=$evaldata{$_}; |
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} |
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} |
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} |
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foreach (keys %cnt) { |
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if ($listitems{$_} eq 'avg') { |
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$returnhash{$_}=int(($sum{$_}/$cnt{$_})*100.0+0.5)/100.0; |
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} elsif ($listitems{$_} eq 'cnt') { |
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$returnhash{$_}=$cnt{$_}; |
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} else { |
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$returnhash{$_}=$sum{$_}; |
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} |
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} |
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if ($returnhash{'count'}) { |
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my $newkey=$$.'_'.time.'_searchcat___'.&escape($url).'___count'; |
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$newevaldata{$newkey}=$returnhash{'count'}; |
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} |
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untie(%evaldata); |
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untie(%newevaldata); |
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} |
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return %returnhash; |
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} |
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# ----------------- Code to enable 'find' subroutine listing of the .meta files |
# ----------------- Code to enable 'find' subroutine listing of the .meta files |
require "find.pl"; |
require "find.pl"; |
sub wanted { |
sub wanted { |
Line 22 sub wanted {
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Line 155 sub wanted {
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push(@metalist,"$dir/$_"); |
push(@metalist,"$dir/$_"); |
} |
} |
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# ------------------------------------ Read httpd access.conf and get variables |
# --------------- Read loncapa_apache.conf and loncapa.conf and get variables |
open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf"; |
my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf'); |
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my %perlvar=%{$perlvarref}; |
while ($configline=<CONFIG>) { |
undef $perlvarref; # remove since sensitive and not needed |
if ($configline =~ /PerlSetVar/) { |
delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed |
my ($dummy,$varname,$varvalue)=split(/\s+/,$configline); |
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chomp($varvalue); |
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$perlvar{$varname}=$varvalue; |
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} |
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} |
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close(CONFIG); |
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# ------------------------------------- Only run if machine is a library server |
# ------------------------------------- Only run if machine is a library server |
exit unless $perlvar{'lonRole'} eq 'library'; |
exit unless $perlvar{'lonRole'} eq 'library'; |
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# ---------------------------------------------------------- We are in business |
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open(LOG,'>'.$perlvar{'lonDaemons'}.'/logs/searchcat.log'); |
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print LOG '==== Searchcat Run '.localtime()."====\n\n"; |
my $dbh; |
my $dbh; |
# ------------------------------------- Make sure that database can be accessed |
# ------------------------------------- Make sure that database can be accessed |
{ |
{ |
unless ( |
unless ( |
$dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0}) |
$dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0}) |
) { |
) { |
print "Cannot connect to database!\n"; |
print LOG "Cannot connect to database!\n"; |
exit; |
exit; |
} |
} |
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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($make_metadata_table); |
} |
} |
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# ------------------------------------------------------------- get .meta files |
# ------------------------------------------------------------- get .meta files |
Line 55 my @homeusers=grep
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Line 199 my @homeusers=grep
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grep {!/^\.\.?$/} readdir(RESOURCES); |
grep {!/^\.\.?$/} readdir(RESOURCES); |
closedir RESOURCES; |
closedir RESOURCES; |
foreach my $user (@homeusers) { |
foreach my $user (@homeusers) { |
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print LOG "\n=== User: ".$user."\n\n"; |
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# Remove left-over db-files from potentially crashed searchcat run |
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my $prodir=&propath($perlvar{'lonDefDomain'},$user); |
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unlink($prodir.'/nohist_new_resevaldata.db'); |
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# Use find.pl |
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undef @metalist; |
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@metalist=(); |
&find("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$user"); |
&find("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$user"); |
} |
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# -- process each file to get metadata and put into search catalog SQL database |
# -- process each file to get metadata and put into search catalog SQL database |
# Also, check to see if already there. |
# Also, check to see if already there. |
# I could just delete (without searching first), but this works for now. |
# I could just delete (without searching first), but this works for now. |
foreach my $m (@metalist) { |
foreach my $m (@metalist) { |
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print LOG "- ".$m."\n"; |
my $ref=&metadata($m); |
my $ref=&metadata($m); |
my $m2='/res/'.&declutter($m); |
my $m2='/res/'.&declutter($m); |
$m2=~s/\.meta$//; |
$m2=~s/\.meta$//; |
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&dynamicmeta($m2); |
my $q2="select * from metadata where url like binary '$m2'"; |
my $q2="select * from metadata where url like binary '$m2'"; |
my $sth = $dbh->prepare($q2); |
my $sth = $dbh->prepare($q2); |
$sth->execute(); |
$sth->execute(); |
Line 95 foreach my $m (@metalist) {
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Line 247 foreach my $m (@metalist) {
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# Need to, perhaps, remove stale SQL database records. |
# Need to, perhaps, remove stale SQL database records. |
# ... not yet implemented |
# ... not yet implemented |
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# -------------------------------------------------- Copy over the new db-files |
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system('mv '.$prodir.'/nohist_new_resevaldata.db '. |
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$prodir.'/nohist_resevaldata.db'); |
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system('chown www:www '.$prodir.'/nohist_resevaldata.db'); |
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} |
# --------------------------------------------------- Close database connection |
# --------------------------------------------------- Close database connection |
$dbh->disconnect; |
$dbh->disconnect; |
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print LOG "\n==== Searchcat completed ".localtime()." ====\n"; |
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close(LOG); |
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exit 0; |
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# ============================================================================= |
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# ---------------------------------------------------------------- Get metadata |
# ---------------------------------------------------------------- Get metadata |
# significantly altered from subroutine present in lonnet |
# significantly altered from subroutine present in lonnet |
Line 190 sub propath {
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Line 352 sub propath {
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# ---------------------------- convert 'time' format into a datetime sql format |
# ---------------------------- convert 'time' format into a datetime sql format |
sub sqltime { |
sub sqltime { |
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = |
my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) = |
localtime(@_[0]); |
localtime(&unsqltime(@_[0])); |
$mon++; $year+=1900; |
$mon++; $year+=1900; |
return "$year-$mon-$mday $hour:$min:$sec"; |
return "$year-$mon-$mday $hour:$min:$sec"; |
} |
} |
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sub maketime { |
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my %th=@_; |
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return POSIX::mktime( |
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($th{'seconds'},$th{'minutes'},$th{'hours'}, |
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$th{'day'},$th{'month'}-1,$th{'year'}-1900,0,0,$th{'dlsav'})); |
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} |
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######################################### |
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# |
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# Retro-fixing of un-backward-compatible time format |
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sub unsqltime { |
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my $timestamp=shift; |
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if ($timestamp=~/^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/) { |
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$timestamp=&maketime( |
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'year'=>$1,'month'=>$2,'day'=>$3, |
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'hours'=>$4,'minutes'=>$5,'seconds'=>$6); |
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} |
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return $timestamp; |
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} |
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