198 lines
7.4 KiB
Perl
198 lines
7.4 KiB
Perl
package C4::Breeding;
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# Copyright 2000-2002 Katipo Communications
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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 under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the 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 along with
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# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
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# Suite 330, Boston, MA 02111-1307 USA
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use strict;
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use C4::Biblio;
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use C4::Koha;
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use MARC::File::USMARC;
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require Exporter;
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use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
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# set the version for version checking
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$VERSION = 0.01;
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=head1 NAME
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C4::Breeding : script to add a biblio in marc_breeding table.
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=head1 SYNOPSIS
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use C4::Scan;
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&ImportBreeding($marcrecords,$overwrite_biblio,$filename,$z3950random);
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C<$marcrecord> => the MARC::Record
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C<$overwrite_biblio> => if set to 1 a biblio with the same ISBN will be overwritted.
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if set to 0 a biblio with the same isbn will be ignored (the previous will be kept)
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if set to -1 the biblio will be added anyway (more than 1 biblio with the same ISBN possible in the breeding
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C<$encoding> => USMARC
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or UNIMARC. used for char_decoding.
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If not present, the parameter marcflavour is used instead
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C<$z3950random> => the random value created during a z3950 search result.
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=head1 DESCRIPTION
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ImportBreeding import MARC records in the reservoir (marc_breeding table).
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the records can be properly encoded or not, we try to reencode them in utf-8 if needed.
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works perfectly with BNF server, that sends UNIMARC latin1 records. Should work with other servers too.
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the FixEncoding sub is in Koha.pm, as it's a general usage sub.
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=cut
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@ISA = qw(Exporter);
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@EXPORT = qw(&ImportBreeding &BreedingSearch);
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=head2 ImportBreeding
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ImportBreeding($marcrecords,$overwrite_biblio,$filename,$encoding,$z3950random);
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TODO description
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=cut
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sub ImportBreeding {
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my ($marcrecords,$overwrite_biblio,$filename,$encoding,$z3950random) = @_;
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my @marcarray = split /\x1D/, $marcrecords;
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my $dbh = C4::Context->dbh;
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my $searchisbn = $dbh->prepare("select biblioitemnumber from biblioitems where isbn=?");
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my $searchissn = $dbh->prepare("select biblioitemnumber from biblioitems where issn=?");
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my $searchbreeding = $dbh->prepare("select id from marc_breeding where isbn=? and title=?");
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my $insertsql = $dbh->prepare("insert into marc_breeding (file,isbn,title,author,marc,encoding,z3950random) values(?,?,?,?,?,?,?)");
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my $replacesql = $dbh->prepare("update marc_breeding set file=?,isbn=?,title=?,author=?,marc=?,encoding=?,z3950random=? where id=?");
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$encoding = C4::Context->preference("marcflavour") unless $encoding;
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# fields used for import results
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my $imported=0;
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my $alreadyindb = 0;
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my $alreadyinfarm = 0;
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my $notmarcrecord = 0;
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my $breedingid;
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for (my $i=0;$i<=$#marcarray;$i++) {
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my $marcrecord = FixEncoding($marcarray[$i]."\x1D");
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my @warnings = $marcrecord->warnings();
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if (scalar($marcrecord->fields()) == 0) {
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$notmarcrecord++;
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} else {
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my $oldbiblio = TransformMarcToKoha($dbh,$marcrecord,'');
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my $isbnlength=10;
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if($oldbiblio->{isbn}){
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$isbnlength = length($oldbiblio->{isbn});
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}
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# if isbn found and biblio does not exist, add it. If isbn found and biblio exists, overwrite or ignore depending on user choice
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# drop every "special" char : spaces, - ...
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$oldbiblio->{isbn} =~ s/ |-|\.//g,
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$oldbiblio->{isbn} = substr($oldbiblio->{isbn},0,$isbnlength);
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$oldbiblio->{issn} =~ s/ |-|\.//g,
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$oldbiblio->{issn} = substr($oldbiblio->{issn},0,10);
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# search if biblio exists
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my $biblioitemnumber;
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if ($oldbiblio->{isbn}) {
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$searchisbn->execute($oldbiblio->{isbn});
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($biblioitemnumber) = $searchisbn->fetchrow;
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} else {
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if ($oldbiblio->{issn}) {
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$searchissn->execute($oldbiblio->{issn});
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($biblioitemnumber) = $searchissn->fetchrow;
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}
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}
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if ($biblioitemnumber) {
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$alreadyindb++;
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} else {
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# search in breeding farm
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if ($oldbiblio->{isbn}) {
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$searchbreeding->execute($oldbiblio->{isbn},$oldbiblio->{title});
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($breedingid) = $searchbreeding->fetchrow;
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} elsif ($oldbiblio->{issn}){
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$searchbreeding->execute($oldbiblio->{issn},$oldbiblio->{title});
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($breedingid) = $searchbreeding->fetchrow;
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}
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if ($breedingid && $overwrite_biblio eq '0') {
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$alreadyinfarm++;
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} else {
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my $recoded;
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$recoded = $marcrecord->as_usmarc();
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if ($breedingid && $overwrite_biblio eq '1') {
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$replacesql ->execute($filename,substr($oldbiblio->{isbn}.$oldbiblio->{issn},0,$isbnlength),$oldbiblio->{title},$oldbiblio->{author},$recoded,$encoding,$z3950random,$breedingid);
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} else {
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$insertsql ->execute($filename,substr($oldbiblio->{isbn}.$oldbiblio->{issn},0,$isbnlength),$oldbiblio->{title},$oldbiblio->{author},$recoded,$encoding,$z3950random);
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$breedingid=$dbh->{'mysql_insertid'};
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}
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$imported++;
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}
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}
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}
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}
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return ($notmarcrecord,$alreadyindb,$alreadyinfarm,$imported,$breedingid);
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}
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=head2 BreedingSearch
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($count, @results) = &BreedingSearch($title,$isbn,$random);
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C<$title> contains the title,
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C<$isbn> contains isbn or issn,
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C<$random> contains the random seed from a z3950 search.
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C<$count> is the number of items in C<@results>. C<@results> is an
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array of references-to-hash; the keys are the items from the C<marc_breeding> table of the Koha database.
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=cut
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sub BreedingSearch {
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my ($title,$isbn,$z3950random) = @_;
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my $dbh = C4::Context->dbh;
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my $count = 0;
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my ($query,@bind);
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my $sth;
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my @results;
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$query = "Select id,file,isbn,title,author from marc_breeding where ";
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if ($z3950random) {
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$query .= "z3950random = ?";
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@bind=($z3950random);
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} else {
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@bind=();
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if ($title) {
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$query .= "title like ?";
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push(@bind,"$title%");
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}
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if ($title && $isbn) {
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$query .= " and ";
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}
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if ($isbn) {
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$query .= "isbn like ?";
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push(@bind,"$isbn%");
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}
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}
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$sth = $dbh->prepare($query);
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$sth->execute(@bind);
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while (my $data = $sth->fetchrow_hashref) {
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$results[$count] = $data;
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$count++;
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} # while
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$sth->finish;
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return($count, @results);
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} # sub breedingsearch
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END { } # module clean-up code here (global destructor)
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