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122 lines
4.3 KiB
122 lines
4.3 KiB
#!/usr/bin/perl
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# Converted to new plugin style (Bug 13437)
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# Copyright 2012 CatalystIT Ltd
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# Koha is distributed in the hope that it will be useful, but
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# 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 Koha; if not, see <http://www.gnu.org/licenses>.
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use Modern::Perl;
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use CGI qw ( -utf8 );
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use C4::Auth qw( get_template_and_user );
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use C4::Context;
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use C4::Output qw( output_html_with_http_headers );
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=head1 DESCRIPTION
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Is used for callnumber computation.
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User must supply a letter prefix (unspecified length) followed by an empty space followed by a "number".
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"Number" is 4 character long, and is either a number sequence which is 01 padded.
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If input does not conform with this format any processing is omitted.
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Some examples of legal values that trigger auto allocation:
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AAA 0 - returns first unused number AAA 0xxx starting with AAA 0001
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BBB 12 - returns first unused number BBB 12xx starting with BBB 1201
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CCC QW - returns first unused number CCC QWxx starting with CCC QW01
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=cut
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my $builder = sub {
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my ( $params ) = @_;
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my $res="
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<script>
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function Click$params->{id}() {
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var code = document.getElementById('$params->{id}');
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var url = '../cataloguing/plugin_launcher.pl?plugin_name=callnumber-KU.pl&code=' + code.value;
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var req = \$.get(url);
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req.done(function(resp){
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code.value = resp;
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return 1;
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});
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return 1;
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}
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</script>
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";
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return $res;
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};
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my $launcher = sub {
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my ( $params ) = @_;
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my $input = $params->{cgi};
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my $code = $input->param('code');
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my ($template, $loggedinuser, $cookie) = get_template_and_user({
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template_name => "cataloguing/value_builder/ajax.tt",
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query => $input,
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type => "intranet",
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flagsrequired => {editcatalogue => '*'},
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});
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my $BASE_CALLNUMBER_RE = qr/^(\w+) (\w+)$/;
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my $ret;
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my ($alpha, $num) = ($code =~ $BASE_CALLNUMBER_RE);
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if (defined $num) { # otherwise no point
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my ($num_alpha, $num_num) = ($num =~ m/^(\D+)?(\d+)?$/);
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$num_alpha ||= '';
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my $pad_len = 4 - length($num);
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if ($pad_len > 0) {
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my $num_padded = $num_num;
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$num_padded .= "0" x ($pad_len - 1) if $pad_len > 1;
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$num_padded .= "1";
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my $padded = "$alpha $num_alpha" . $num_padded;
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my $dbh = C4::Context->dbh;
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if ( my $first = $dbh->selectrow_array("SELECT itemcallnumber
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FROM items
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WHERE itemcallnumber = ?", undef, $padded) ) {
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my $icn = $dbh->selectcol_arrayref("SELECT DISTINCT itemcallnumber
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FROM items
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WHERE itemcallnumber LIKE ?
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AND itemcallnumber > ?
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ORDER BY itemcallnumber", undef, "$alpha $num_alpha%", $first);
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my $next = $num_padded + 1;
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my $len = length($num_padded);
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foreach (@$icn) {
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my ($num1) = ( m/(\d+)$/o );
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if ($num1 > $next) { # a hole in numbering found, stop
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last;
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}
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$next++;
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}
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$ret = "$alpha $num_alpha" . sprintf("%0${len}d", $next) if length($next) <= $len; # no overflow
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}
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else {
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$ret = $padded;
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}
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}
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}
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$template->param(
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return => $ret || $code
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);
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output_html_with_http_headers $input, $cookie, $template->output;
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};
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return { builder => $builder, launcher => $launcher };
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