stop on empty next_marc

[Biblio-Z3950.git] / Aleph.pm

diff --git a/Aleph.pm b/Aleph.pm
index 4c27f5a..3f6eabe 100644 (file)
--- a/Aleph.pm
+++ b/Aleph.pm
@@ -15,9 +15,9 @@ sub diag {
 # Koha Z39.50 query:
 #
 # Bib-1 @and @and @and @and @and @and @and @or
-# @attr 1=8 isbn-issn 
-# @attr 1=7 isbn-issn 
 # @attr 1=4 title 
+# @attr 1=7 isbn
+# @attr 1=8 issn 
 # @attr 1=1003 author 
 # @attr 1=16 dewey 
 # @attr 1=21 subject-holding 
@@ -50,22 +50,27 @@ sub diag {
 # WYR - Godina izdavanja
 
 sub usemap {{
-       4               => 'WTI',
-       1003    => 'WTI',
-       16              => 'CU',
-       21              => 'SU',
-#      12              => '',
+       4               => 'WTI=',
+       7               => 'ISBN=',
+       8               => 'ISSN=',
+       1003    => 'AUT=',
+       16              => 'DDC=',
+       21              => 'SUB=',
+       12              => 'LCN=',
 #      1007    => '',
-#      1016    => '',
+       1016    => 'WRD=',
 }};
 
+our $session_id;
 
 sub search {
        my ( $self, $query ) = @_;
 
        die "need query" unless defined $query;
 
-       my $url = 'http://161.53.240.197:8991/F?RN=' . rand(1000000000);
+       $session_id ||= int rand(1000000000);
+       # FIXME allocate session just once
+       my $url = 'http://katalog.nsk.hr/F?RN=' . $session_id;
        # fake JavaScript code on page which creates random session
 
 diag "get $url";
@@ -77,18 +82,32 @@ diag "advanced search";
 
        $mech->follow_link( url_regex => qr/find-c/ );
 
-diag "submit search $query";
+       my $database = $self->{database};
+
+       if ( $mech->content =~ m{Requested library is unavailable at the moment} ) {
+               warn "ERROR: default database not available, try to swith to $database\n";
+               $self->save_content;
+               $mech->follow_link( url_regex => qr/local_base=$database/i );
+               diag "re-try advanced search";
+               $mech->follow_link( url_regex => qr/find-c/ );
+       }
+
+diag "submit search [$query] on ", $self->{database};
+
 
        $mech->submit_form(
                fields => {
                        'ccl_term' => $query,
+                       'local_base' => $self->{database},
                },
        );
 
        my $hits = 0;
-       if ( $mech->content =~ m{ukupno\s+(\d+).*do\s+(\d+)}s ) {
+       if ( $mech->content =~ m{ukupno\s+(\d+).*do\s+(\d+)}s ) { # FIXME Many results in Crotian
                $hits = $1;
                $hits = $2 if $2 && $2 < $1; # correct for max. results
+       } elsif ( $mech->content =~ m{(\d+)\s+od\s+(\d+)}s ) { # FIXME single result in Croatian
+               $hits = $2;
        } else {
                diag "get't find results in ", $mech->content;
                return;
@@ -102,7 +121,7 @@ diag "in MARC format";
 
        $mech->follow_link( url_regex => qr/format=001/ );
 
-       return $hits;
+       return $self->{hits} = $hits;
 }
 
 
@@ -115,15 +134,16 @@ sub next_marc {
 
        my $mech = $self->{mech} || die "no mech?";
 
-print $mech->content;
+#warn "## ", $mech->content;
 
        if ( $mech->content =~ m{Zapis\s+(\d+)}s ) {
 
                my $nr = $1;
 
-diag "parse $nr";
+warn "parse $nr";
 
                $marc = MARC::Record->new;
+               $marc->encoding('utf-8');
                $hash = {};
 
                my $html = $mech->content;
@@ -131,29 +151,50 @@ diag "parse $nr";
                sub field {
                        my ( $f, $v ) = @_;
                        $v =~ s/\Q&nbsp;\E/ /gs;
-warn "# $f\t$v\n";
+                       $v =~ s/\s+$//gs;
+warn "## $f\t$v\n";
                        $hash->{$f} = $v;
+
+                       if ( $f eq 'LDR' ) {
+                               $marc->leader( $v );
+                               return;
+                       }
+
+                       if ( $f =~ m/\D/ ) {
+                               warn "$f not numeric!";
+                               return;
+                       }
+
+                       if ( $v !~ s/^\|// ) { # no subfields
+                               $marc->add_fields( $f, $v );
+warn "## ++ ", dump( $f, $v );
+                               return;
+                       }
+
                        my ($i1,$i2) = (' ',' ');
                        ($i1,$i2) = ($2,$3) if $f =~ s/^(...)(.)?(.)?/$1/;
                        my @sf = split(/\|/, $v);
-                       shift @sf;
                        @sf = map { s/^(\w)\s+//; { $1 => $_ } } @sf;
-diag "sf = ", dump(@sf);
-                       $marc->add_fields( $f, $i1, $i2, @sf ) if $f =~ m/^\d+$/;
+#warn "## sf = ", dump(@sf);
+                       $marc->add_fields( $f, $i1, $i2, @sf );
+warn "## ++ ", dump( $f, $i1, $i2, @sf );
                }
 
                $html =~ s|<tr>\s*<td class=td1 id=bold[^>]*>(.+?)</td>\s*<td class=td1>(.+?)</td>|field($1,$2)|ges;
                diag "# hash ",dump($hash);
+               diag "# marc ", $marc->as_formatted;
 
                my $id = $hash->{SYS} || die "no SYS";
 
-               $self->save_marc( $id, $marc->as_usmarc );
+               $self->save_marc( "$id.marc", $marc->as_usmarc );
 
-               $nr++;
-
-               $mech->follow_link( url_regex => qr/set_entry=0*$nr/ );
+               if ( $nr < $self->{hits} ) {
+                       $nr++;
+                       diag "follow link to next record $nr";
+                       $mech->follow_link( url_regex => qr/set_entry=0*$nr/ );
+               }
 
-               return $marc->as_usmarc;
+               return $id;
        } else {
                die "can't fetch COMARC format from ", $mech->content;
        }