+__PACKAGE__->before_save('_before_save_remember_old_name');
+__PACKAGE__->after_save('_after_save_ensure_webdav_symlink_correctness');
+__PACKAGE__->after_delete('_after_delete_delete_webdav_symlink');
+
+sub _before_save_remember_old_name {
+ my ($self) = @_;
+
+ delete $self->{__before_save_remember_old_name};
+ if ($self->id && $::lx_office_conf{features}->{webdav}) {
+ $self->{__before_save_remember_old_name} = SL::DB::AuthClient->new(id => $self->id)->load->name;
+ }
+
+ return 1;
+}
+
+sub _after_save_ensure_webdav_symlink_correctness {
+ my ($self) = @_;
+
+ $self->ensure_webdav_symlink_correctness($self->{__before_save_remember_old_name}) if $self->id && $::lx_office_conf{features}->{webdav};
+ return 1;
+}
+
+sub _after_delete_delete_webdav_symlink {
+ my ($self) = @_;
+
+ return 1 if !$::lx_office_conf{features}->{webdav};
+ my $name = $self->webdav_symlink_basename;
+ unlink "webdav/links/${name}";
+ return 1;
+}
+
+sub validate {
+ my ($self) = @_;
+
+ my @errors;
+ push @errors, $::locale->text('The name is missing.') if !$self->name;
+ push @errors, $::locale->text('The database name is missing.') if !$self->dbname;
+ push @errors, $::locale->text('The database host is missing.') if !$self->dbhost;
+ push @errors, $::locale->text('The database port is missing.') if !$self->dbport;
+ push @errors, $::locale->text('The database user is missing.') if !$self->dbuser;
+ push @errors, $::locale->text('The name is not unique.') if !SL::DB::Helper::Util::is_unique($self, 'name');
+ push @errors, $::locale->text('The combination of database host, port and name is not unique.') if !SL::DB::Helper::Util::is_unique($self, 'dbhost', 'dbport', 'dbname');
+
+ return @errors;
+}
+
+sub webdav_symlink_basename {
+ my ($self, $name) = @_;
+
+ $name = $name || $self->name || '';
+ $name =~ s:/+:_:g;
+
+ return $name;
+}
+
+sub ensure_webdav_symlink_correctness {
+ my ($self, $old_name) = @_;
+
+ return unless $::lx_office_conf{features}->{webdav};
+
+ croak "Need object ID" unless $self->id;
+
+ my $new_symlink = $self->webdav_symlink_basename;
+
+ croak "Need name" unless $new_symlink;
+
+ my $base_path = 'webdav/links';
+
+ if ($old_name) {
+ my $old_symlink = $self->webdav_symlink_basename($old_name);
+ return if $old_symlink eq $new_symlink;
+
+ if (-l "${base_path}/${old_symlink}") {
+ rename "${base_path}/${old_symlink}", "${base_path}/${new_symlink}";
+ return;
+ }
+ }
+
+ File::Path::make_path('webdav/' . $self->id);
+ symlink '../' . $self->id, "${base_path}/${new_symlink}";
+}
+