+sub find_template {
+ my ($class, %params) = @_;
+
+ $params{name} or croak "Missing parameter 'name'";
+
+ my $path = $::instance_conf->get_templates;
+ my $extension = $params{extension} || "tex";
+ my ($printer, $language) = ('', '');
+
+ if ($params{printer} || $params{printer_id}) {
+ if ($params{printer} && !ref $params{printer}) {
+ $printer = '_' . $params{printer};
+ } else {
+ $printer = $params{printer} || SL::DB::Printer->new(id => $params{printer_id})->load;
+ $printer = $printer->template_code ? '_' . $printer->template_code : '';
+ }
+ }
+
+ if ($params{language} || $params{language_id}) {
+ if ($params{language} && !ref $params{language}) {
+ $language = '_' . $params{language};
+ } else {
+ $language = $params{language} || SL::DB::Language->new(id => $params{language_id})->load;
+ $language = $language->template_code ? '_' . $language->template_code : '';
+ }
+ }
+
+ my @template_files = (
+ $params{name} . "${language}${printer}",
+ $params{name} . "${language}",
+ $params{name},
+ "default",
+ );
+
+ if ($params{email}) {
+ unshift @template_files, (
+ $params{name} . "_email${language}${printer}",
+ $params{name} . "_email${language}",
+ );
+ }
+
+ @template_files = map { "${_}.${extension}" } uniq grep { $_ } @template_files;
+
+ my $template = first { -f ($path . "/$_") } @template_files;
+
+ return wantarray ? ($template, @template_files) : $template;
+}
+