package SL::DBUpgrade2;
+use IO::File;
+use List::MoreUtils qw(any);
+
use SL::Common;
+use SL::DBUtils;
+use SL::Iconv;
-require Exporter;
-our @ISA = qw(Exporter);
+use strict;
-our @EXPORT = qw(parse_dbupdate_controls sort_dbupdate_controls);
+sub new {
+ my $package = shift;
-use strict;
+ return bless({}, $package)->init(@_);
+}
+
+sub init {
+ my ($self, %params) = @_;
+
+ if ($params{auth}) {
+ $params{path_suffix} = "-auth";
+ $params{schema} = "auth.";
+ }
+
+ $params{path_suffix} ||= '';
+ $params{schame} ||= '';
+
+ map { $self->{$_} = $params{$_} } keys %params;
+
+ return $self;
+}
sub parse_dbupdate_controls {
- $main::lxdebug->enter_sub();
+ $::lxdebug->enter_sub();
- my ($form, $dbdriver) = @_;
+ my ($self) = @_;
- my $locale = $main::locale;
+ my $form = $self->{form};
+ my $locale = $::locale;
local *IN;
my %all_controls;
- my $path = "sql/${dbdriver}-upgrade2";
+ my $path = "sql/" . $self->{dbdriver} . "-upgrade2" . $self->{path_suffix};
foreach my $file_name (<$path/*.sql>, <$path/*.pl>) {
next unless (open(IN, $file_name));
map({ _dbupdate2_calculate_depth(\%all_controls, $_->{"tag"}) }
values(%all_controls));
- $main::lxdebug->leave_sub();
+ $self->{all_controls} = \%all_controls;
+
+ $::lxdebug->leave_sub();
+
+ return $self;
+}
+
+sub process_query {
+ $::lxdebug->enter_sub();
+
+ my ($self, $dbh, $filename, $version_or_control, $db_charset) = @_;
+
+ my $form = $self->{form};
+ my $fh = IO::File->new($filename, "r") or $form->error("$filename : $!\n");
+ my $query = "";
+ my $sth;
+ my @quote_chars;
+
+ my $file_charset = Common::DEFAULT_CHARSET;
+ while (<$fh>) {
+ last if !/^--/;
+ next if !/^--\s*\@charset:\s*(.+)/;
+ $file_charset = $1;
+ last;
+ }
+ $fh->seek(0, SEEK_SET);
+
+ $db_charset ||= Common::DEFAULT_CHARSET;
+
+ $dbh->begin_work();
+
+ while (<$fh>) {
+ $_ = SL::Iconv::convert($file_charset, $db_charset, $_);
+
+ # Remove DOS and Unix style line endings.
+ chomp;
+
+ # remove comments
+ s/--.*$//;
+
+ for (my $i = 0; $i < length($_); $i++) {
+ my $char = substr($_, $i, 1);
+
+ # Are we inside a string?
+ if (@quote_chars) {
+ if ($char eq $quote_chars[-1]) {
+ pop(@quote_chars);
+ }
+ $query .= $char;
+
+ } else {
+ if (($char eq "'") || ($char eq "\"")) {
+ push(@quote_chars, $char);
+
+ } elsif ($char eq ";") {
+
+ # Query is complete. Send it.
+
+ $sth = $dbh->prepare($query);
+ if (!$sth->execute()) {
+ my $errstr = $dbh->errstr;
+ $sth->finish();
+ $dbh->rollback();
+ $form->dberror("The database update/creation did not succeed. " .
+ "The file ${filename} containing the following " .
+ "query failed:<br>${query}<br>" .
+ "The error message was: ${errstr}<br>" .
+ "All changes in that file have been reverted.");
+ }
+ $sth->finish();
+
+ $char = "";
+ $query = "";
+ }
+
+ $query .= $char;
+ }
+ }
+
+ # Insert a space at the end of each line so that queries split
+ # over multiple lines work properly.
+ if ($query ne '') {
+ $query .= @quote_chars ? "\n" : ' ';
+ }
+ }
+
+ if (ref($version_or_control) eq "HASH") {
+ $dbh->do("INSERT INTO " . $self->{schema} . "schema_info (tag, login) VALUES (" . $dbh->quote($version_or_control->{"tag"}) . ", " . $dbh->quote($form->{"login"}) . ")");
+ } elsif ($version_or_control) {
+ $dbh->do("UPDATE defaults SET version = " . $dbh->quote($version_or_control));
+ }
+ $dbh->commit();
+
+ $fh->close();
+
+ $::lxdebug->leave_sub();
+}
+
+# Process a Perl script which updates the database.
+# If the script returns 1 then the update was successful.
+# Return code "2" means "needs more interaction; remove
+# users/nologin and end current request".
+# All other return codes are fatal errors.
+sub process_perl_script {
+ $::lxdebug->enter_sub();
+
+ my ($self, $dbh, $filename, $version_or_control, $db_charset) = @_;
+
+ my $form = $self->{form};
+ my $fh = IO::File->new($filename, "r") or $form->error("$filename : $!\n");
+ my $file_charset = Common::DEFAULT_CHARSET;
+
+ if (ref($version_or_control) eq "HASH") {
+ $file_charset = $version_or_control->{charset};
+
+ } else {
+ while (<$fh>) {
+ last if !/^--/;
+ next if !/^--\s*\@charset:\s*(.+)/;
+ $file_charset = $1;
+ last;
+ }
+ $fh->seek(0, SEEK_SET);
+ }
+
+ my $contents = join "", <$fh>;
+ $fh->close();
+
+ $db_charset ||= Common::DEFAULT_CHARSET;
+
+ my $iconv = SL::Iconv->new($file_charset, $db_charset);
+
+ $dbh->begin_work();
+
+ # setup dbup_ export vars
+ my %dbup_myconfig = ();
+ map({ $dbup_myconfig{$_} = $form->{$_}; } qw(dbname dbuser dbpasswd dbhost dbport dbconnect));
+
+ my $dbup_locale = $::locale;
+
+ my $result = eval($contents);
- return \%all_controls;
+ if (1 != $result) {
+ $dbh->rollback();
+ $dbh->disconnect();
+ }
+
+ if (!defined($result)) {
+ print $form->parse_html_template("dbupgrade/error",
+ { "file" => $filename,
+ "error" => $@ });
+ ::end_of_request();
+ } elsif (1 != $result) {
+ unlink("users/nologin") if (2 == $result);
+ ::end_of_request();
+ }
+
+ if (ref($version_or_control) eq "HASH") {
+ $dbh->do("INSERT INTO " . $self->{schema} . "schema_info (tag, login) VALUES (" . $dbh->quote($version_or_control->{"tag"}) . ", " . $dbh->quote($form->{"login"}) . ")");
+ } elsif ($version_or_control) {
+ $dbh->do("UPDATE defaults SET version = " . $dbh->quote($version_or_control));
+ }
+ $dbh->commit();
+
+ $::lxdebug->leave_sub();
+}
+
+sub process_file {
+ my ($self, $dbh, $filename, $version_or_control, $db_charset) = @_;
+
+ if ($filename =~ m/sql$/) {
+ $self->process_query($dbh, $filename, $version_or_control, $db_charset);
+ } else {
+ $self->process_perl_script($dbh, $filename, $version_or_control, $db_charset);
+ }
+}
+
+sub update_available {
+ my ($self, $cur_version) = @_;
+
+ local *SQLDIR;
+
+ my $dbdriver = $self->{dbdriver};
+ opendir SQLDIR, "sql/${dbdriver}-upgrade" || error("", "sql/${dbdriver}-upgrade: $!");
+ my @upgradescripts = grep /${dbdriver}-upgrade-\Q$cur_version\E.*\.(sql|pl)$/, readdir SQLDIR;
+ closedir SQLDIR;
+
+ return ($#upgradescripts > -1);
+}
+
+sub update2_available {
+ $::lxdebug->enter_sub();
+
+ my ($self, $dbh) = @_;
+
+ map { $_->{applied} = 0; } values %{ $self->{all_controls} };
+
+ my $sth = $dbh->prepare(qq|SELECT tag FROM | . $self->{schema} . qq|schema_info|);
+ if ($sth->execute) {
+ while (my ($tag) = $sth->fetchrow_array) {
+ $self->{all_controls}->{$tag}->{applied} = 1 if defined $self->{all_controls}->{$tag};
+ }
+ }
+ $sth->finish();
+
+ my $needs_update = any { !$_->{applied} } values %{ $self->{all_controls} };
+
+ $::lxdebug->leave_sub();
+
+ return $needs_update;
+}
+
+sub unapplied_upgrade_scripts {
+ my ($self, $dbh) = @_;
+
+ my @all_scripts = map { $_->{applied} = 0; $_ } $self->sort_dbupdate_controls;
+
+ my $query = qq|SELECT tag FROM | . $self->{schema} . qq|schema_info|;
+ my $sth = $dbh->prepare($query);
+ $sth->execute || $self->{form}->dberror($query);
+ while (my ($tag) = $sth->fetchrow_array()) {
+ $self->{all_controls}->{$tag}->{applied} = 1 if defined $self->{all_controls}->{$tag};
+ }
+ $sth->finish;
+
+ return grep { !$_->{applied} } @all_scripts;
+}
+
+sub apply_admin_dbupgrade_scripts {
+ my ($self, $called_from_admin) = @_;
+
+ return 0 if !$self->{auth};
+
+ my $dbh = $::auth->dbconnect;
+ my @unapplied_scripts = $self->unapplied_upgrade_scripts($dbh);
+
+ return 0 if !@unapplied_scripts;
+
+ my $db_charset = $::lx_office_conf{system}->{dbcharset} || Common::DEFAULT_CHARSET;
+ $self->{form}->{login} ||= 'admin';
+
+ map { $_->{description} = SL::Iconv::convert($_->{charset}, $db_charset, $_->{description}) } values %{ $self->{all_controls} };
+
+ if ($called_from_admin) {
+ $self->{form}->{title} = $::locale->text('Dataset upgrade');
+ $self->{form}->header;
+ }
+
+ print $self->{form}->parse_html_template("dbupgrade/header", { dbname => $::auth->{DB_config}->{db} });
+
+ foreach my $control (@unapplied_scripts) {
+ $::lxdebug->message(LXDebug->DEBUG2(), "Applying Update $control->{file}");
+ print $self->{form}->parse_html_template("dbupgrade/upgrade_message2", $control);
+
+ $self->process_file($dbh, "sql/$self->{dbdriver}-upgrade2-auth/$control->{file}", $control, $db_charset);
+ }
+
+ print $self->{form}->parse_html_template("dbupgrade/footer", { is_admin => 1 }) if $called_from_admin;
+
+ return 1;
}
sub _check_for_loops {
if ($ctrl->{"loop"} == 1) {
# Not done yet.
- _control_error($form, $file_name, $main::locale->text("Dependency loop detected:") . " " . join(" -> ", @path))
+ _control_error($form, $file_name, $::locale->text("Dependency loop detected:") . " " . join(" -> ", @path))
} elsif ($ctrl->{"loop"} == 0) {
# Not checked yet.
sub _control_error {
my ($form, $file_name, $message) = @_;
- $form = $main::form;
- my $locale = $main::locale;
+ $form = $::form;
+ my $locale = $::locale;
$form->error(sprintf($locale->text("Error in database control file '%s': %s"), $file_name, $message));
}
sub _dbupdate2_calculate_depth {
- $main::lxdebug->enter_sub(2);
+ $::lxdebug->enter_sub(2);
my ($tree, $tag) = @_;
my $node = $tree->{$tag};
- return $main::lxdebug->leave_sub(2) if (defined($node->{"depth"}));
+ return $::lxdebug->leave_sub(2) if (defined($node->{"depth"}));
my $max_depth = 0;
$node->{"depth"} = $max_depth + 1;
- $main::lxdebug->leave_sub(2);
+ $::lxdebug->leave_sub(2);
}
sub sort_dbupdate_controls {
- return sort({ $a->{"depth"} != $b->{"depth"} ? $a->{"depth"} <=> $b->{"depth"}
- : $a->{"priority"} != $b->{"priority"} ? $a->{"priority"} <=> $b->{"priority"}
- : $a->{"tag"} cmp $b->{"tag"} } values(%{$_[0]}));
+ my $self = shift;
+
+ $self->parse_dbupdate_controls unless $self->{all_controls};
+
+ return sort { ($a->{depth} <=> $b->{depth}) || ($a->{priority} <=> $b->{priority}) || ($a->{tag} cmp $b->{tag}) } values %{ $self->{all_controls} };
}
1;