--- loncom/metadata_database/searchcat.pl 2001/04/17 13:36:07 1.15 +++ loncom/metadata_database/searchcat.pl 2002/10/08 16:59:26 1.22 @@ -1,18 +1,155 @@ #!/usr/bin/perl # The LearningOnline Network # searchcat.pl "Search Catalog" batch script - +# +# $Id: searchcat.pl,v 1.22 2002/10/08 16:59:26 www Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# +# YEAR=2001 # 04/14/2001, 04/16/2001 Scott Harrison +# +# YEAR=2002 +# 05/11/2002 Scott Harrison +# +### # This script goes through a LON-CAPA resource # directory and gathers metadata. # The metadata is entered into a SQL database. +use lib '/home/httpd/lib/perl/'; +use LONCAPA::Configuration; + use IO::File; use HTML::TokeParser; use DBI; +use GDBM_File; my @metalist; + + +# ----------------------------------------------------- Un-Escape Special Chars + +sub unescape { + my $str=shift; + $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; + return $str; +} + +# -------------------------------------------------------- Escape Special Chars + +sub escape { + my $str=shift; + $str =~ s/(\W)/"%".unpack('H2',$1)/eg; + return $str; +} + + +# ------------------------------------------- Code to evaluate dynamic metadata + +sub dynamicmeta { +# +# +# Do nothing for now ... +# +# + return; +# +# ..., but stuff below already works +# + my $url=&declutter(shift); + $url=~s/\.meta$//; + my %returnhash=(); + my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//); + my $prodir=&propath($adomain,$aauthor); + if (tie(%evaldata,'GDBM_File', + $prodir.'/nohist_resevaldata.db',&GDBM_WRCREAT,0640)) { + my %sum=(); + my %cnt=(); + my %listitems=('count' => 'add', + 'course' => 'add', + 'avetries' => 'avg', + 'stdno' => 'add', + 'difficulty' => 'avg', + 'clear' => 'avg', + 'technical' => 'avg', + 'helpful' => 'avg', + 'correct' => 'avg', + 'depth' => 'avg', + 'comments' => 'app', + 'usage' => 'cnt' + ); + my $regexp=$url; + $regexp=~s/(\W)/\\$1/g; + $regexp='___'.$regexp.'___([a-z]+)$'; + foreach (keys %evaldata) { + my $key=&unescape($_); + if ($key=~/$regexp/) { + my $ctype=$1; + if (defined($cnt{$ctype})) { + $cnt{$ctype}++; + } else { + $cnt{$ctype}=1; + } + unless ($listitems{$ctype} eq 'app') { + if (defined($sum{$ctype})) { + $sum{$ctype}+=$evaldata{$_}; + } else { + $sum{$ctype}=$evaldata{$_}; + } + } else { + if (defined($sum{$ctype})) { + if ($evaldata{$_}) { + $sum{$ctype}.='