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<?php
    /**
     * Copyright (C) Apis Networks, Inc - All Rights Reserved.
     *
     * Unauthorized copying of this file, via any medium, is
     * strictly prohibited without consent. Any dissemination of
     * material herein is prohibited.
     *
     * For licensing inquiries email <licensing@apisnetworks.com>
     *
     * Written by Matt Saladna <matt@apisnetworks.com>, May 2017
     */

    trait FilesystemPathTrait
    {
        /*
         * @var string site account site index, '' for app admin/reseller, siteXX for account
         */
        protected $site;

        /**
         * Bind a site path context
         *
         * @param Auth_Info_User $auth
         */
        protected function bindPathContext(\Auth_Info_User $auth): void
        {
            $this->site = $auth->site;
        }

        /**
         * Create filesystem path
         *
         * @param string|null $subpath optional subpath to append
         * @return string
         */
        protected function domain_fs_path(string $subpath = null): string
        {
            \assert(null !== $this->site || !empty($_SESSION['site_id']));

            return FILESYSTEM_VIRTBASE . '/' . ($this->site ?? ('site' . $_SESSION['site_id']))
                . '/fst' . ($subpath ? ($subpath[0] === '/' ? '' : '/') . $subpath : '');
        }

        /**
         * Create info path
         *
         * @param string|null $subpath optional subpath to append
         * @return string
         */
        protected function domain_info_path(string $subpath = null): string
        {
            \assert(null !== $this->site || !empty($_SESSION['site_id']));

            return FILESYSTEM_VIRTBASE . '/' . ($this->site ?? ('site' . $_SESSION['site_id']))
                . '/info' . ($subpath ? ($subpath[0] === '/' ? '' : '/') . $subpath : '');
        }

        /**
         * Create shadow path
         *
         * @param string|null $subpath optional subpath to append
         * @return string
         */
        protected function domain_shadow_path(string $subpath = null): string
        {
            \assert(null !== $this->site || !empty($_SESSION['site_id']));

            return FILESYSTEM_VIRTBASE . '/' . ($this->site ?? ('site' . $_SESSION['site_id']))
                . '/shadow' . ($subpath ? ($subpath[0] === '/' ? '' : '/') . $subpath : '');
        }

        /**
         * Construct a domain fs base path for a domain
         *
         * @param string|null $domain
         * @return string path
         */
        protected function make_domain_fs_path($domain = null): string
        {
            if (!$domain) {
                return '/';
            }
            $siteid = \Auth::get_site_id_from_domain($domain);
            if (!$siteid) {
                fatal("cannot make domain fs path, unknown domain `%s'", $domain);
            }

            return FILESYSTEM_VIRTBASE . '/site' . $siteid . '/fst';
        }

        protected function service_template_path($service = null): string
        {
            $path = FILESYSTEM_TEMPLATE;
            if ($service) {
                return $path . '/' . $service;
            }

            return $path;

        }
    }