+=item send
+
+Sends the message through its parent L<FS::msg_template>. Returns an error
+message on error, or an empty string.
+
+=cut
+
+sub send {
+ my $self = shift;
+ # it's still allowed to have cust_msgs without message templates, but only
+ # for email.
+ my $msg_template = $self->msg_template || 'FS::msg_template::email';
+ $msg_template->send_prepared($self);
+}
+
+=item entity
+
+Returns the complete message as a L<MIME::Entity>.
+
+XXX this only works if the message in fact contains a MIME entity. Messages
+created by external APIs may not look like that.
+
+=item parts
+
+Returns a list of the MIME parts contained in the message, as L<MIME::Entity>
+objects.
+
+=cut
+
+sub entity {
+ my $self = shift;
+ if ( !exists($self->{entity}) ) {
+ my $parser = MIME::Parser->new;
+ my $output_dir = "$FS::UID::cache_dir/cache.$FS::UID::datasrc/mimeparts";
+ mkdir($output_dir) unless -d $output_dir;
+ $parser->output_under($output_dir);
+ $self->{entity} =
+ $parser->parse_data( $self->header . "\n" . $self->body );
+ }
+ $self->{entity};
+}
+
+sub parts {
+ my $self = shift;
+ # return only the parts with bodies, not the multipart containers
+ grep { $_->bodyhandle } $self->entity->parts_DFS;
+}
+