couchdb/scripts/reblog2couchdb.pl

#!/usr/bin/perl -w

use strict;
use DBI;
use CouchDB::Client;
use Data::Dump qw/dump/;

$|++;

my $database = 'reblog';

my $connect = "DBI:mysql:database=$database";
#$connect = "DBI:mysql:database=$database;host=localhost;port=13306";

my $dbh = DBI->connect($connect,"","") || die $DBI::errstr;

# select all posts which have been read or unread
my $sql = qq{
        select
                items.id as _id,
                items.*,
                feeds.url as feed_url,
                feeds.title as feed_title,
                feeds.link as feed_link,
                feeds.description as feed_description
        from items
        join items_userdata on items.id = item_id
--      where label = 'read' and value_numeric = ?
        join feeds on items.feed_id = feeds.id
        order by items.id asc
--      limit 42
};

my $sth = $dbh->prepare($sql) || die $dbh->errstr();
$sth->execute( 1 ) || die $sth->errstr();

warn dump( $sth->{NAME} );

print "found ",$sth->rows," items to process...";

my $c = CouchDB::Client->new(uri => 'http://localhost:5984/');

$c->testConnection or die "The server cannot be reached";
print "Running version " . $c->serverInfo->{version} . "\n";
my $db = $c->newDB( $database );
$db->create unless $c->dbExists( $database );

my @docs = $db->listDocs;
my $row_id = shift @docs || 0;

my $pk = 'id';

while (my $row = $sth->fetchrow_hashref() ) {
        my $_id = $row->{_id} || die "row needs _id";
        my $doc = $db->newDoc( $_id );

        sub row2doc {
                my ( $row, $doc ) = @_;
                my $a = delete( $row->{xml} );
                $doc->addAttachment( 'item.xml', 'application/xhtml+xml', $a ) if $a;
                my $a = delete( $row->{content} );
                $doc->addAttachment( 'content.html', 'text/html', $a ) if $a;
                $doc->{data} = $row;
                return $doc;
        }

        row2doc( $row, $doc );

        eval { $doc->create };
        if ( $@ ) {
                $doc->retrieve;
                row2doc( $row, $doc )->update;
#               eval { $doc->update };
                warn ( $@ ? "ERROR $_id $@" : "updated $_id" ), $/;
        } else {
                warn "created ",dump( $row ),$/;
        }
}

__END__

$sql = qq{
        update items_userdata
        set value_numeric = 1
        where label = 'read' and item_id in ($ids)
};

$dbh->do( $sql );

1	#!/usr/bin/perl -w
2
3	use strict;
4	use DBI;
5	use CouchDB::Client;
6	use Data::Dump qw/dump/;
7
8	$\|++;
9
10	my $database = 'reblog';
11
12	my $connect = "DBI:mysql:database=$database";
13	#$connect = "DBI:mysql:database=$database;host=localhost;port=13306";
14
15	my $dbh = DBI->connect($connect,"","") \|\| die $DBI::errstr;
16
17	# select all posts which have been read or unread
18	my $sql = qq{
19	select
20	items.id as _id,
21	items.*,
22	feeds.url as feed_url,
23	feeds.title as feed_title,
24	feeds.link as feed_link,
25	feeds.description as feed_description
26	from items
27	join items_userdata on items.id = item_id
28	-- where label = 'read' and value_numeric = ?
29	join feeds on items.feed_id = feeds.id
30	order by items.id asc
31	-- limit 42
32	};
33
34	my $sth = $dbh->prepare($sql) \|\| die $dbh->errstr();
35	$sth->execute( 1 ) \|\| die $sth->errstr();
36
37	warn dump( $sth->{NAME} );
38
39	print "found ",$sth->rows," items to process...";
40
41	my $c = CouchDB::Client->new(uri => 'http://localhost:5984/');
42
43	$c->testConnection or die "The server cannot be reached";
44	print "Running version " . $c->serverInfo->{version} . "\n";
45	my $db = $c->newDB( $database );
46	$db->create unless $c->dbExists( $database );
47
48	my @docs = $db->listDocs;
49	my $row_id = shift @docs \|\| 0;
50
51	my $pk = 'id';
52
53	while (my $row = $sth->fetchrow_hashref() ) {
54	my $_id = $row->{_id} \|\| die "row needs _id";
55	my $doc = $db->newDoc( $_id );
56
57	sub row2doc {
58	my ( $row, $doc ) = @_;
59	my $a = delete( $row->{xml} );
60	$doc->addAttachment( 'item.xml', 'application/xhtml+xml', $a ) if $a;
61	my $a = delete( $row->{content} );
62	$doc->addAttachment( 'content.html', 'text/html', $a ) if $a;
63	$doc->{data} = $row;
64	return $doc;
65	}
66
67	row2doc( $row, $doc );
68
69	eval { $doc->create };
70	if ( $@ ) {
71	$doc->retrieve;
72	row2doc( $row, $doc )->update;
73	# eval { $doc->update };
74	warn ( $@ ? "ERROR $_id $@" : "updated $_id" ), $/;
75	} else {
76	warn "created ",dump( $row ),$/;
77	}
78	}
79
80	__END__
81
82	$sql = qq{
83	update items_userdata
84	set value_numeric = 1
85	where label = 'read' and item_id in ($ids)
86	};
87
88	$dbh->do( $sql );
89