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| | # Copyright (C) 2018 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
package PublicInbox::IMAPTracker;
use strict;
use warnings;
use DBI;
use DBD::SQLite;
use PublicInbox::Config;
sub create_tables ($)
{
my ($dbh) = @_;
$dbh->do(<<'');
CREATE TABLE IF NOT EXISTS imap_last (
url VARCHAR PRIMARY KEY NOT NULL,
uid_validity INTEGER NOT NULL,
uid INTEGER NOT NULL,
UNIQUE (url)
)
}
sub dbh_new ($)
{
my ($dbname) = @_;
my $dbh = DBI->connect("dbi:SQLite:dbname=$dbname", '', '', {
AutoCommit => 1,
RaiseError => 1,
PrintError => 0,
ReadOnly => 0,
sqlite_use_immediate_transaction => 1,
});
$dbh->{sqlite_unicode} = 1;
$dbh->do('PRAGMA journal_mode = TRUNCATE');
$dbh->do('PRAGMA cache_size = 80000');
create_tables($dbh);
$dbh;
}
sub get_last($$)
{
my ($self, $url) = @_;
my $dbh = $self->{dbh};
my $sth = $dbh->prepare_cached(<<'', undef, 1);
SELECT uid_validity, uid FROM imap_last WHERE url = ?
$sth->execute($url);
$sth->fetchrow_array;
}
sub update_last($$$$)
{
my ($self, $url, $validity, $last) = @_;
my $dbh = $self->{dbh};
my $sth = $dbh->prepare_cached(<<'');
INSERT OR REPLACE INTO imap_last (url, uid_validity, uid)
VALUES (?, ?, ?)
$sth->execute($url, $validity, $last);
}
sub new {
my ($class) = @_;
my $dbname = PublicInbox::Config->config_dir() . "/imap.sqlite3";
my $dbh = dbh_new($dbname);
bless { dbname => $dbname, dbh => $dbh }, $class;
}
1;
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