streams/Code/Module/Layouts.php

<?php

namespace Code\Module;

use App;
use Code\Web\Controller;
use Code\Lib\Libprofile;
use Code\Lib\Channel;
use Code\Render\Theme;



require_once('include/conversation.php');

class Layouts extends Controller
{

    public function init()
    {

        if (argc() > 1 && argv(1) === 'sys' && is_site_admin()) {
            $sys = Channel::get_system();
            if ($sys && intval($sys['channel_id'])) {
                App::$is_sys = true;
            }
        }

        if (argc() > 1) {
            $which = argv(1);
        } else {
            return;
        }

        Libprofile::load($which);
    }

    public function get()
    {

        if (!App::$profile) {
            notice(t('Requested profile is not available.') . EOL);
            App::$error = 404;
            return '';
        }

        $which = argv(1);

        $_SESSION['return_url'] = App::$query_string;

        $uid = local_channel();
        $owner = 0;
        $channel = null;
        $observer = App::get_observer();

        $channel = App::get_channel();

        if (App::$is_sys && is_site_admin()) {
            $sys = Channel::get_system();
            if ($sys && intval($sys['channel_id'])) {
                $uid = $owner = intval($sys['channel_id']);
                $channel = $sys;
                $observer = $sys;
            }
        }

        if (!$owner) {
            // Figure out who the page owner is.
            $r = q(
                "select channel_id from channel where channel_address = '%s'",
                dbesc($which)
            );
            if ($r) {
                $owner = intval($r[0]['channel_id']);
            }
        }

        $ob_hash = (($observer) ? $observer['xchan_hash'] : '');

        $perms = get_all_perms($owner, $ob_hash);

        if (!$perms['write_pages']) {
            notice(t('Permission denied.') . EOL);
            return '';
        }

        // Block design features from visitors

        if ((!$uid) || ($uid != $owner)) {
            notice(t('Permission denied.') . EOL);
            return '';
        }

        // Get the observer, check their permissions

        $ob_hash = (($observer) ? $observer['xchan_hash'] : '');

        $perms = get_all_perms($owner, $ob_hash);

        if (!$perms['write_pages']) {
            notice(t('Permission denied.') . EOL);
            return '';
        }

        // This feature is not exposed in redbasic ui since it is not clear why one would want to
        // download a json encoded pdl file - we dont have a possibility to import it.
        // Use the buildin share/install feature instead.

        if ((argc() > 3) && (argv(2) === 'share') && (argv(3))) {
            $r = q(
                "select iconfig.v, iconfig.k, mimetype, title, body from iconfig 
				left join item on item.id = iconfig.iid 
				where uid = %d and mid = '%s' and iconfig.cat = 'system' and iconfig.k = 'PDL' order by iconfig.v asc",
                intval($owner),
                dbesc(argv(3))
            );
            if ($r) {
                header('Content-type: application/x-hubzilla-layout');
                header('Content-Disposition: attachment; filename="' . $r[0]['sid'] . '.pdl"');
                echo json_encode($r);
                killme();
            }
        }

        // Create a status editor (for now - we'll need a WYSIWYG eventually) to create pages
        // Nickname is set to the observers xchan, and profile_uid to the owners.
        // This lets you post pages at other people's channels.

        $x = [
            'webpage' => ITEM_TYPE_PDL,
            'is_owner' => true,
            'nickname' => App::$profile['channel_address'],
            'showacl' => false,
            'hide_voting' => true,
            'hide_future' => true,
            'hide_expire' => true,
            'hide_location' => true,
            'hide_weblink' => true,
            'hide_attach' => true,
            'hide_preview' => true,
            'disable_comments' => true,
            'ptlabel' => t('Layout Name'),
            'profile_uid' => intval($owner),
            'expanded' => true,
            'placeholdertitle' => t('Layout Description (Optional)'),
            'novoting' => true,
            'bbco_autocomplete' => 'comanche'
        ];

        if ($_REQUEST['title']) {
            $x['title'] = $_REQUEST['title'];
        }
        if ($_REQUEST['body']) {
            $x['body'] = $_REQUEST['body'];
        }
        if ($_REQUEST['pagetitle']) {
            $x['pagetitle'] = $_REQUEST['pagetitle'];
        }

        $editor = status_editor($x);

        $r = q(
            "select iconfig.iid, iconfig.v, mid, title, body, mimetype, created, edited, item_type from iconfig 
			left join item on iconfig.iid = item.id
			where uid = %d and iconfig.cat = 'system' and iconfig.k = 'PDL' and item_type = %d order by item.created desc",
            intval($owner),
            intval(ITEM_TYPE_PDL)
        );

        $pages = null;

        if ($r) {
            $pages = [];
            foreach ($r as $rr) {
                $element_arr = [
                    'type' => 'layout',
                    'title' => $rr['title'],
                    'body' => $rr['body'],
                    'created' => $rr['created'],
                    'edited' => $rr['edited'],
                    'mimetype' => $rr['mimetype'],
                    'pagetitle' => urldecode($rr['v']),
                    'mid' => $rr['mid']
                ];
                $pages[$rr['iid']][] = [
                    'url' => $rr['iid'],
                    'title' => urldecode($rr['v']),
                    'descr' => $rr['title'],
                    'mid' => $rr['mid'],
                    'created' => $rr['created'],
                    'edited' => $rr['edited'],
                    'bb_element' => '[element]' . base64url_encode(json_encode($element_arr)) . '[/element]'
                ];
            }
        }

        //Build the base URL for edit links
        $url = z_root() . '/editlayout/' . $which;

        $o = replace_macros(Theme::get_template('layoutlist.tpl'), [
            '$title' => t('Layouts'),
            '$create' => t('Create'),
            '$help' => '', // array('text' => t('Help'), 'url' => 'help/comanche', 'title' => t('Comanche page description language help')),
            '$editor' => $editor,
            '$baseurl' => $url,
            '$name' => t('Layout Name'),
            '$descr' => t('Layout Description'),
            '$created' => t('Created'),
            '$edited' => t('Edited'),
            '$edit' => t('Edit'),
            '$share' => t('Share'),
            '$download' => t('Download PDL file'),
            '$pages' => $pages,
            '$channel' => $which,
            '$view' => t('View'),
        ]);

        return $o;
    }
}