#-*- perl -*-
#
#  Copyright (C) 2001,2002 Ken'ichi Fukamachi
#   All rights reserved. This program is free software; you can
#   redistribute it and/or modify it under the same terms as Perl itself.
#
# $FML: newml.pm,v 1.9 2001/12/23 11:39:45 fukachan Exp $
#

package FML::Command::Admin::newml;
use strict;
use vars qw(@ISA @EXPORT @EXPORT_OK $AUTOLOAD);
use Carp;

use ErrorStatus;
use FML::Command::Utils;
@ISA = qw(FML::Command::Utils ErrorStatus);


=head1 NAME

FML::Command::Admin::newml - set up a new mailing list

=head1 SYNOPSIS

    use FML::Command::Admin::newml;
    $obj = new FML::Command::Admin::newml;
    $obj->newml($curproc, $command_args);

See C<FML::Command> for more details.

=head1 DESCRIPTION

set up a new mailing list
create mailing list directory,
install config.cf, include, include-ctl et. al.

=head1 METHODS

=head2 C<process($curproc, $command_args)>

=cut


# Descriptions: set up a new mailing list
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($command_args)
# Side Effects: create mailing list directory,
#               install config.cf, include, include-ctl et. al.
# Return Value: none
sub process
{
    my ($self, $curproc, $command_args) = @_;
    my $config         = $curproc->{ 'config' };
    my $main_cf        = $curproc->{ 'main_cf' };
    my $member_map     = $config->{ 'primary_member_map' };
    my $recipient_map  = $config->{ 'primary_recipient_map' };
    my ($ml_name, $ml_domain, $ml_home_prefix, $ml_home_dir) = 
	$self->_get_virtual_domain_info($curproc, $command_args);
    my $params         = {
	executable_prefix => $main_cf->{ executable_prefix },
	ml_name           => $ml_name,
	ml_domain         => $ml_domain, 
	ml_home_prefix    => $ml_home_prefix,
	ml_home_dir       => $ml_home_dir,
    };

    # fundamental check
    croak("\$ml_name is not specified") unless $ml_name;
    croak("\$ml_home_dir is not specified") unless $ml_home_dir;

    unless (-d $ml_home_dir) {
	eval q{
	    use File::Utils qw(mkdirhier);
	    use File::Spec;
	};
	croak($@) if $@;

	mkdirhier( $ml_home_dir, $config->{ default_dir_mode } || 0755 );

	my $default_config_dir = $main_cf->{ 'default_config_dir' };

	for my $file (qw(config.cf include include-ctl)) {
	    my $src = File::Spec->catfile($default_config_dir, $file);
	    my $dst = File::Spec->catfile($ml_home_dir, $file);

	    print STDERR "installing $dst\n";
	    _install($src, $dst, $params);
	}
    }
    else {
	warn("$ml_name already exists");
    }
}


# Descriptions: check argument and prepare virtual domain information 
#               if needed.
#    Arguments: OBJ($self) OBJ($curproc) HASH_REF($command_args)
# Side Effects: none
# Return Value: ARRAY
sub _get_virtual_domain_info
{
    my ($self, $curproc, $command_args) = @_;
    my $main_cf        = $curproc->{ 'main_cf' };
    my $ml_name        = $command_args->{ 'ml_name' };
    my $ml_domain      = $main_cf->{ 'default_domain' };
    my $ml_home_prefix = $main_cf->{ 'ml_home_prefix' };
    my $ml_home_dir    = '';

    # virtual domain support: e.g. "makefml newml elena@nuinui.net"
    if ($ml_name =~ /\@/) {
	my $virtual_domain = '';

	# overwrite $ml_name
	($ml_name, $virtual_domain) = split(/\@/, $ml_name);

	# check virtual domain list.
	my ($virtual_maps) = $curproc->get_virtual_maps();
	if (@$virtual_maps) {
	    my $dir = '';
	    eval q{ use IO::Adapter; };
	    unless ($@) {
	      MAP:
		for my $map (@$virtual_maps) {
		    my $obj  = new IO::Adapter $map;
		    $obj->open();
		    $dir = $obj->find("^$virtual_domain");
		    last MAP if $dir;
		}
		($virtual_domain, $dir) = split(/\s+/, $dir);
		$dir =~ s/[\s\n]*$// if defined $dir;

		# found
		if ($dir) {
		    $ml_home_prefix = $dir;

		    use File::Spec;
		    $ml_domain   = $virtual_domain;
		    $ml_home_dir = File::Spec->catfile($dir, $ml_name);
		}
	    }
	    else {
		croak("cannot load IO::Adapter");
	    }
	}
    }
    # default domain: e.g. "makefml newml elena"
    else {
	use File::Spec;
	$ml_home_dir = File::Spec->catfile($ml_home_prefix, $ml_name);
    }

    return ($ml_name, $ml_domain, $ml_home_prefix, $ml_home_dir);
}


# Descriptions: install $dst with variable expansion of $src
#    Arguments: STR($src) STR($dst) HASH_REF($config)
# Side Effects: create $dst
# Return Value: none
sub _install
{
    my ($src, $dst, $config) = @_;

    eval q{
	use FileHandle;
	use FML::Config::Convert;
    };
    croak($@) if $@;

    my $in  = new FileHandle $src;
    my $out = new FileHandle "> $dst.$$";

    if (defined $in && defined $out) {
	chmod 0644, "$dst.$$";

	&FML::Config::Convert::convert($in, $out, $config);

	$out->close();
	$in->close();

	rename("$dst.$$", $dst) || croak("fail to rename $dst");
    }
    else {
	croak("fail to open $src") unless defined $in;
	croak("fail to open $dst") unless defined $out;
    }
}


=head1 AUTHOR

Ken'ichi Fukamachi

=head1 COPYRIGHT

Copyright (C) 2001,2002 Ken'ichi Fukamachi

All rights reserved. This program is free software; you can
redistribute it and/or modify it under the same terms as Perl itself.

=head1 HISTORY

FML::Command::Admin::newml appeared in fml5 mailing list driver package.
See C<http://www.fml.org/> for more details.

=cut


1;