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package Koha::Installer; |
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use Modern::Perl; |
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require Koha; |
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require Koha::Database; |
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require Koha::Config; |
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=head1 API |
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=head2 Class methods |
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=head3 needs_update |
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Determines if an update is needed by checking |
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the database version, the code version, and whether |
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there are any atomic updates available. |
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=cut |
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sub needs_update { |
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my $needs_update = 1; |
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my $dbh = Koha::Database::dbh(); |
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my $sql = "SELECT value FROM systempreferences WHERE variable = 'Version'"; |
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my $sth = $dbh->prepare($sql); |
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$sth->execute(); |
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my $row = $sth->fetchrow_arrayref(); |
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my $db_version = $row->[0]; |
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my $koha_version = Koha->version; |
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my $code_version = TransformToNum($koha_version); |
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if ( $db_version == $code_version ) { |
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$needs_update = 0; |
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} |
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#NOTE: We apply atomic updates even when the DB and code versions align |
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my $atomic_updates = get_atomic_updates(); |
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if (@$atomic_updates) { |
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$needs_update = 1; |
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} |
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return $needs_update; |
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} |
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=head3 TransformToNum |
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Transform the Koha version from a 4 parts string |
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to a number, with just 1 . |
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=cut |
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sub TransformToNum { |
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my $version = shift; |
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# remove the 3 last . to have a Perl number |
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$version =~ s/(.*\..*)\.(.*)\.(.*)/$1$2$3/; |
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# three X's at the end indicate that you are testing patch with dbrev |
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# change it into 999 |
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# prevents error on a < comparison between strings (should be: lt) |
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$version =~ s/XXX$/999/; |
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return $version; |
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} |
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=head3 get_atomic_updates |
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Get atomic database updates |
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=cut |
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sub get_atomic_updates { |
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my @atomic_upate_files; |
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my $conf_fname = Koha::Config->guess_koha_conf; |
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my $config = Koha::Config->get_instance($conf_fname); |
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my $intranetdir = $config->{config}->{intranetdir}; |
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# if there is anything in the atomicupdate, read and execute it. |
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my $update_dir = $intranetdir . '/installer/data/mysql/atomicupdate/'; |
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opendir( my $dirh, $update_dir ); |
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my @stuff = sort readdir $dirh; |
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foreach my $file (@stuff) { |
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next if $file !~ /\.(perl|pl)$/; #skip other files |
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next if $file eq 'skeleton.perl' || $file eq 'skeleton.pl'; # skip the skeleton files |
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push @atomic_upate_files, $file; |
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} |
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return \@atomic_upate_files; |
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} |
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1; |