X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=Aleph.pm;h=6a3cf3cc2bde539ad19b130ac57ab54a9b4d462d;hb=e0c3654e9e83473ac0b91857e2bf2987c88fb563;hp=f89aaf7cb9dc2e5c054babaa2166be0c08cf7db9;hpb=1e7d14d016aadb14fea11906d2f41ec2472716c8;p=Biblio-Z3950.git

diff --git a/Aleph.pm b/Aleph.pm
index f89aaf7..6a3cf3c 100644
--- a/Aleph.pm
+++ b/Aleph.pm
@@ -3,17 +3,13 @@ package Aleph;
 use warnings;
 use strict;
 
-use WWW::Mechanize;
 use MARC::Record;
 use Data::Dump qw/dump/;
 
-binmode STDOUT, ':utf8';
-
-our $mech = WWW::Mechanize->new();
-our $hits;
+use base 'Scraper';
 
 sub diag {
-	print "# ", @_, $/;
+	warn "# ", @_, $/;
 }
 
 # Koha Z39.50 query:
@@ -53,9 +49,7 @@ sub diag {
 # WGA - Riječi u geografskim odrednicama 
 # WYR - Godina izdavanja
 
-our $usemap = {
-#	8		=> '',
-#	7		=> '',
+sub usemap {{
 	4		=> 'WTI',
 	1003	=> 'WTI',
 	16		=> 'CU',
@@ -63,40 +57,42 @@ our $usemap = {
 #	12		=> '',
 #	1007	=> '',
 #	1016	=> '',
+}};
 
-};
-
-sub usemap {
-	my $f = shift || die;
-	$usemap->{$f};
-}
+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://161.53.240.197:8991/F?RN=' . $session_id;
 	# fake JavaScript code on page which creates random session
 
 diag "get $url";
 
+	my $mech = $self->{mech} || die "no mech?";
 	$mech->get( $url );
 
 diag "advanced search";
 
 	$mech->follow_link( url_regex => qr/find-c/ );
 
-diag "submit search $query";
+diag "submit search [$query] on ", $self->{database};
+
+	$self->save_content;
 
 	$mech->submit_form(
 		fields => {
 			'ccl_term' => $query,
+			'local_base' => $self->{database},
 		},
 	);
 
-	$hits = 0;
-	if ( $mech->content =~ m{ukupno\s+(\d+).*(do\s+(\d+))}s ) {
+	my $hits = 0;
+	if ( $mech->content =~ m{ukupno\s+(\d+).*do\s+(\d+)}s ) {
 		$hits = $1;
 		$hits = $2 if $2 && $2 < $1; # correct for max. results
 	} else {
@@ -111,60 +107,74 @@ diag "got $hits results, get first one";
 diag "in MARC format";
 
 	$mech->follow_link( url_regex => qr/format=001/ );
+
+	return $hits;
 }
 
 
+our ( $hash, $marc );
+
 sub next_marc {
 	my ($self,$format) = @_;
 
-print $mech->content;
+	$format ||= 'marc';
+
+	my $mech = $self->{mech} || die "no mech?";
+
+#warn "## ", $mech->content;
 
 	if ( $mech->content =~ m{Zapis\s+(\d+)}s ) {
 
 		my $nr = $1;
 
-diag "parse $nr";
+warn "parse $nr";
 
-		my $marc = MARC::Record->new;
+		$marc = MARC::Record->new;
+		$hash = {};
 
 		my $html = $mech->content;
-		my $hash;
 
 		sub field {
 			my ( $f, $v ) = @_;
 			$v =~ s/\Q&nbsp;\E/ /gs;
-warn "# $f\t$v\n";
+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,$2)|ges;
-		diag dump($hash);
+		diag "# hash ",dump($hash);
+		diag "# marc ", $marc->as_formatted;
 
 		my $id = $hash->{SYS} || die "no SYS";
 
-
-
-		my $path = "marc/$id.$format";
-
-		open(my $out, '>:utf8', $path);
-		print $out $marc->as_usmarc;
-		close($out);
-
-		diag "created $path ", -s $path, " bytes";
-
-		diag $marc->as_formatted;
+		$self->save_marc( $id, $marc->as_usmarc );
 
 		$nr++;
 
-		die if $nr == 3; # FIXME
-
 		$mech->follow_link( url_regex => qr/set_entry=0*$nr/ );
 
 		return $marc->as_usmarc;