opac/opac-browser.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright 2000-2002 Katipo Communications
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20
  21 =head1 opac-browser.pl
  22
  23 TODO :: Description here
  24
  25 =cut
  26
  27 use strict;
  28 use warnings;
  29
  30 use C4::Auth;
  31 use C4::Context;
  32 use C4::Output;
  33 use CGI qw ( -utf8 );
  34 use C4::Biblio;
  35
  36 my $query = new CGI;
  37
  38 my $dbh = C4::Context->dbh;
  39
  40 # open template
  41 my ( $template, $loggedinuser, $cookie ) = get_template_and_user(
  42     {
  43         template_name   => "opac-browser.tt",
  44         query           => $query,
  45         type            => "opac",
  46         authnotrequired => ( C4::Context->preference("OpacPublic") ? 1 : 0 ),
  47         debug           => 1,
  48     }
  49 );
  50
  51 # the level of browser to display
  52 my $level = $query->param('level') || 0;
  53 my $filter = $query->param('filter');
  54 $filter = '' unless defined $filter;
  55 $level++; # the level passed is the level of the PREVIOUS list, not the current one. Thus the ++
  56
  57 # build this level loop
  58 my $sth = $dbh->prepare("SELECT * FROM browser WHERE level=? and classification like ? ORDER BY classification");
  59 $sth->execute($level,$filter."%");
  60 my @level_loop;
  61 my $i=0;
  62 while (my $line = $sth->fetchrow_hashref) {
  63     $line->{description} =~ s/\((.*)\)//g;
  64     push @level_loop,$line;
  65 }
  66
  67 my $have_hierarchy = 0;
  68
  69 # now rebuild hierarchy loop
  70 $filter =~ s/\.//g;
  71 my @hierarchy_loop;
  72 if ($filter eq '' and $level == 1) {
  73     # we're starting from the top
  74     $have_hierarchy = 1 if @level_loop;
  75     unless (@level_loop) {
  76         $sth->execute(1, "%");
  77         while (my $line = $sth->fetchrow_hashref) {
  78             $line->{description} =~ s/\((.*)\)//g;
  79             push @level_loop,$line;
  80         }
  81     }
  82 } else {
  83     $sth = $dbh->prepare("SELECT * FROM browser where classification=?");
  84     for (my $i=1;$i <=length($filter);$i++) {
  85         $sth->execute(substr($filter,0,$i));
  86         my $line = $sth->fetchrow_hashref;
  87         push @hierarchy_loop,$line;
  88     }
  89     $have_hierarchy = 1 if @hierarchy_loop;
  90 }
  91
  92 # mark every third entry in level_loop
  93 for (my $i = 0; $i <= $#level_loop; $i++) {
  94     $level_loop[$i]->{count3} = 1 if 2 == $i % 3 && $i != $#level_loop;
  95 }
  96
  97 $template->param(
  98     LEVEL_LOOP => \@level_loop,
  99     HIERARCHY_LOOP => \@hierarchy_loop,
 100     have_hierarchy => $have_hierarchy,
 101 );
 102
 103 output_html_with_http_headers $query, $cookie, $template->output, undef, { force_no_caching => 1 };