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Filename : migrate_whmtheme_file_to_userdata
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#!/usr/local/cpanel/3rdparty/bin/perl

# cpanel - scripts/migrate_whmtheme_file_to_userdata
#                                                  Copyright 2020 cPanel, L.L.C.
#                                                           All rights reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited

package scripts::migrate_whmtheme_file_to_userdata;

=encoding utf-8

=head1 NAME

scripts::migrate_whmtheme_file_to_userdata - moves whmtheme to userdata

=head1 SYNOPSIS

    use scripts::migrate_whmtheme_file_to_userdata;

    scripts::migrate_whmtheme_file_to_userdata::run();

=head1 DESCRIPTION

This script moves the whm theme from the .whmtheme file for resellers to the
userdata for speed improvement.

=cut

use strict;
use warnings;

use parent qw( Cpanel::HelpfulScript );

use Cpanel::Autodie             ();
use Cpanel::NameVariant         ();
use Cpanel::PwCache             ();
use Cpanel::StringFunc::Trim    ();
use Cpanel::AccessIds::LoadFile ();
use Cpanel::Reseller            ();
use Whostmgr::Theme             ();
use Cpanel::Config::Users       ();

use Try::Tiny;

__PACKAGE__->new(@ARGV)->run() if !caller;

use constant _OPTIONS => ();

sub _get_theme_file_path {
    my ($user) = @_;

    return Cpanel::PwCache::gethomedir($user) . '/.whmtheme';
}

=head2 run

Runs the migration script

=cut

sub run {
    my ($self) = @_;

    my $theme_file;
    my $theme;

    my %usermap = map { $_ => 1 } Cpanel::Config::Users::getcpusers();

    # No need to move root because it will continue to use existing behavior
    foreach my $reseller ( Cpanel::Reseller::getresellerslist() ) {

        # ensure user is a cpanel user and not just a system-only reseller
        next unless $usermap{$reseller};

        $theme_file = _get_theme_file_path($reseller);
        $theme      = undef;

        if ( -e $theme_file ) {
            $theme = Cpanel::AccessIds::LoadFile::loadfile_as_user( $reseller, $theme_file );

            if ( Whostmgr::Theme::is_theme_name_valid($theme) ) {

                #capturing write action for errors and warning if appropriate
                try {
                    $theme = Cpanel::StringFunc::Trim::ws_trim($theme);
                    Whostmgr::Theme::set_reseller_theme( $reseller, $theme );
                }
                catch {
                    local $@ = $_;
                    warn;
                };
            }

            try {
                _move_old_theme_file($theme_file);
            }
            catch {
                local $@ = $_;
                warn;
            };
        }

    }

    return;
}

sub _move_old_theme_file {
    my ($filename) = @_;

    my $new_filename = Cpanel::NameVariant::find_name_variant(
        max_length => 254,
        name       => $filename . '.old',
        test       => sub { return !-e $_[0] },
    );

    return Cpanel::Autodie::rename( $filename, $new_filename );
}

1;