[friendica.git] / view / theme / frio / theme.php

<?php
/*
 * Name: frio
 * Description: Bootstrap V3 theme. The theme is currently under construction, so it is far from finished. For further information have a look at the <a href="https://github.com/friendica/friendica/tree/develop/view/theme/frio/README.md">ReadMe</a>.
 * Version: V.0.8
 * Author: Rabuzarus <https://friendica.kommune4.de/profile/rabuzarus>
 *
 */

use Friendica\App;
use Friendica\Content\Text\Plaintext;
use Friendica\Content\Widget;
use Friendica\Core\Addon;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Core\PConfig;
use Friendica\Core\System;
use Friendica\Database\DBM;
use Friendica\Model\Profile;

$frio = 'view/theme/frio';

global $frio;

function frio_init(App $a)
{
        // disable the events module link in the profile tab
        $a->theme_events_in_profile = false;
        $a->videowidth = 622;

        $a->set_template_engine('smarty3');

        $baseurl = System::baseUrl();

        $style = PConfig::get(local_user(), 'frio', 'style');

        $frio = 'view/theme/frio';

        global $frio;

        // if the device is a mobile device set js is_mobile
        // variable so the js scripts can use this information
        if ($a->is_mobile || $a->is_tablet) {
                $a->page['htmlhead'] .= <<< EOT
                        <script type="text/javascript">
                                var is_mobile = 1;
                        </script>
EOT;
        }

        if ($style == '') {
                $style = Config::get('frio', 'style');
        }
}

function frio_install()
{
        Addon::registerHook('prepare_body_final', 'view/theme/frio/theme.php', 'frio_item_photo_links');
        Addon::registerHook('item_photo_menu', 'view/theme/frio/theme.php', 'frio_item_photo_menu');
        Addon::registerHook('contact_photo_menu', 'view/theme/frio/theme.php', 'frio_contact_photo_menu');
        Addon::registerHook('nav_info', 'view/theme/frio/theme.php', 'frio_remote_nav');
        Addon::registerHook('acl_lookup_end', 'view/theme/frio/theme.php', 'frio_acl_lookup');
        Addon::registerHook('display_item', 'view/theme/frio/theme.php', 'frio_display_item');

        logger('installed theme frio');
}

function frio_uninstall()
{
        Addon::unregisterHook('prepare_body_final', 'view/theme/frio/theme.php', 'frio_item_photo_links');
        Addon::unregisterHook('item_photo_menu', 'view/theme/frio/theme.php', 'frio_item_photo_menu');
        Addon::unregisterHook('contact_photo_menu', 'view/theme/frio/theme.php', 'frio_contact_photo_menu');
        Addon::unregisterHook('nav_info', 'view/theme/frio/theme.php', 'frio_remote_nav');
        Addon::unregisterHook('acl_lookup_end', 'view/theme/frio/theme.php', 'frio_acl_lookup');
        Addon::unregisterHook('display_item', 'view/theme/frio/theme.php', 'frio_display_item');

        logger('uninstalled theme frio');
}

/**
 * @brief Replace friendica photo links hook
 *
 *  This function does replace the links to photos
 *  of other friendica users. Original the photos are
 *  linked to the photo page. Now they will linked directly
 *  to the photo file. This function is nessesary to use colorbox
 *  in the network stream
 *
 * @param App $a Unused but required by hook definition
 * @param array $body_info The item and its html output
 */
function frio_item_photo_links(App $a, &$body_info)
{
        $occurence = 0;
        $p = Plaintext::getBoundariesPosition($body_info['html'], '<a', '>');
        while ($p !== false && ($occurence++ < 500)) {
                $link = substr($body_info['html'], $p['start'], $p['end'] - $p['start']);
                $matches = [];

                preg_match('/\/photos\/[\w]+\/image\/([\w]+)/', $link, $matches);
                if ($matches) {
                        // Replace the link for the photo's page with a direct link to the photo itself
                        $newlink = str_replace($matches[0], "/photo/{$matches[1]}", $link);

                        // Add a "quiet" parameter to any redir links to prevent the "XX welcomes YY" info boxes
                        $newlink = preg_replace('/href="([^"]+)\/redir\/([^"]+)&url=([^"]+)"/', 'href="$1/redir/$2&quiet=1&url=$3"', $newlink);

                        // Having any arguments to the link for Colorbox causes it to fetch base64 code instead of the image
                        $newlink = preg_replace('/\/[?&]zrl=([^&"]+)/', '', $newlink);

                        $body_info['html'] = str_replace($link, $newlink, $body_info['html']);
                }

                $p = Plaintext::getBoundariesPosition($body_info['html'], '<a', '>', $occurence);
        }
}

/**
 * @brief Replace links of the item_photo_menu hook
 *
 *  This function replaces the original poke and the message links
 *  to call the addToModal javascript function so this pages can
 *  be loaded in a bootstrap modal
 *
 * @param App $a Unused but required by the hook definition
 * @param array $arr Contains item data and the original photo_menu
 */
function frio_item_photo_menu(App $a, &$arr)
{
        foreach ($arr['menu'] as $k => $v) {
                if (strpos($v, 'poke/?f=&c=') === 0 || strpos($v, 'message/new/') === 0) {
                        $v = 'javascript:addToModal(\'' . $v . '\'); return false;';
                        $arr['menu'][$k] = $v;
                }
        }
}

/**
 * @brief Replace links of the contact_photo_menu
 *
 *  This function replaces the original poke and the message links
 *  to call the addToModal javascript function so this pages can
 *  be loaded in a bootstrap modal
 *  Additionally the profile, status and photo page links  will be changed
 *  to don't open in a new tab if the contact is a friendica contact.
 *
 * @param App $a The app data
 * @param array $args Contains contact data and the original photo_menu
 */
function frio_contact_photo_menu(App $a, &$args)
{
        $cid = $args['contact']['id'];
        $pokelink = $args['menu']['poke'][1];
        $pmlink = $args['menu']['pm'][1];

        // Set the the indicator for opening the status, profile and photo pages
        // in a new tab to false if the contact a dfrn (friendica) contact
        // We do this because we can go back on foreign friendica pages throuhg
        // friendicas "magic-link" which indicates a friendica user on froreign
        // friendica servers as remote user or visitor
        //
        // The value for opening in a new tab is e.g. when
        // $args['menu']['status'][2] is true. If the value of the [2] key is true
        // and if it's a friendica contact we set it to false
        foreach ($args['menu'] as $k => $v) {
                if ($k === 'status' || $k === 'profile' || $k === 'photos') {
                        $v[2] = (($args['contact']['network'] === 'dfrn') ? false : true);
                        $args['menu'][$k][2] = $v[2];
                }
        }

        // Add to pm and poke links a new key with the value 'modal'.
        // Later we can make conditions in the corresponing templates (e.g.
        // contact_template.tpl)
        if (strpos($pokelink, 'poke/?f=&c=' . $cid) !== false) {
                $args['menu']['poke'][3] = 'modal';
        }

        if (strpos($pmlink, 'message/new/' . $cid) !== false) {
                $args['menu']['pm'][3] = 'modal';
        }
}

/**
 * @brief Construct remote nav menu
 *
 *  It creates a remote baseurl form $_SESSION for remote users and friendica
 *  visitors. This url will be added to some of the nav links. With this behaviour
 *  the user will come back to her/his own pages on his/her friendica server.
 *  Not all possible links are available (notifications, administrator, manage,
 *  notes aren't available because we have no way the check remote permissions)..
 *  Some links will point to the local pages because the user would expect
 *  local page (these pages are: search, community, help, apps, directory).
 *
 * @param App $a The App class
 * @param array $nav The original nav menu
 */
function frio_remote_nav($a, &$nav)
{
        // get the homelink from $_XSESSION
        $homelink = Profile::getMyURL();
        if (!$homelink) {
                $homelink = defaults($_SESSION, 'visitor_home', '');
        }

        // split up the url in it's parts (protocol,domain/directory, /profile/, nickname
        // I'm not familiar with regex, so someone might find a better solutionen
        //
        // E.g $homelink = 'https://friendica.domain.com/profile/mickey' should result in an array
        // with 0 => 'https://friendica.domain.com/profile/mickey' 1 => 'https://',
        // 2 => 'friendica.domain.com' 3 => '/profile/' 4 => 'mickey'
        //
        //$server_url = preg_match('/^(https?:\/\/.*?)\/profile\//2', $homelink);
        preg_match('/^(https?:\/\/)?(.*?)(\/profile\/)(.*)/', $homelink, $url_parts);

        // Construct the server url of the visitor. So we could link back to his/her own menu.
        // And construct a webbie (e.g. mickey@friendica.domain.com for the search in gcontact
        // We use the webbie for search in gcontact because we don't know if gcontact table stores
        // the right value if its http or https protocol
        $webbie = '';
        if (count($url_parts)) {
                $server_url = $url_parts[1] . $url_parts[2];
                $webbie = $url_parts[4] . '@' . $url_parts[2];
        }

        // since $userinfo isn't available for the hook we write it to the nav array
        // this isn't optimal because the contact query will be done now twice
        if (local_user()) {
                // empty the server url for local user because we won't need it
                $server_url = '';
                // user info
                $r = q("SELECT `micro` FROM `contact` WHERE `uid` = %d AND `self`", intval($a->user['uid']));

                $r[0]['photo'] = (DBM::is_result($r) ? $a->remove_baseurl($r[0]['micro']) : 'images/person-48.jpg');
                $r[0]['name'] = $a->user['username'];
        } elseif (!local_user() && remote_user()) {
                $r = q("SELECT `name`, `nick`, `micro` AS `photo` FROM `contact` WHERE `id` = %d", intval(remote_user()));
                $nav['remote'] = L10n::t('Guest');
        } elseif (Profile::getMyURL()) {
                $r = q("SELECT `name`, `nick`, `photo` FROM `gcontact`
                                WHERE `addr` = '%s' AND `network` = 'dfrn'",
                        dbesc($webbie));
                $nav['remote'] = L10n::t('Visitor');
        } else {
                $r = false;
        }

        if (DBM::is_result($r)) {
                $nav['userinfo'] = [
                        'icon' => (DBM::is_result($r) ? $r[0]['photo'] : 'images/person-48.jpg'),
                        'name' => $r[0]['name'],
                ];
        }

        if (!local_user() && !empty($server_url)) {
                $nav['logout'] = [$server_url . '/logout', L10n::t('Logout'), '', L10n::t('End this session')];

                // user menu
                $nav['usermenu'][] = [$server_url . '/profile/' . $a->user['nickname'], L10n::t('Status'), '', L10n::t('Your posts and conversations')];
                $nav['usermenu'][] = [$server_url . '/profile/' . $a->user['nickname'] . '?tab=profile', L10n::t('Profile'), '', L10n::t('Your profile page')];
                $nav['usermenu'][] = [$server_url . '/photos/' . $a->user['nickname'], L10n::t('Photos'), '', L10n::t('Your photos')];
                $nav['usermenu'][] = [$server_url . '/videos/' . $a->user['nickname'], L10n::t('Videos'), '', L10n::t('Your videos')];
                $nav['usermenu'][] = [$server_url . '/events/', L10n::t('Events'), '', L10n::t('Your events')];

                // navbar links
                $nav['network'] = [$server_url . '/network', L10n::t('Network'), '', L10n::t('Conversations from your friends')];
                $nav['events'] = [$server_url . '/events', L10n::t('Events'), '', L10n::t('Events and Calendar')];
                $nav['messages'] = [$server_url . '/message', L10n::t('Messages'), '', L10n::t('Private mail')];
                $nav['settings'] = [$server_url . '/settings', L10n::t('Settings'), '', L10n::t('Account settings')];
                $nav['contacts'] = [$server_url . '/contacts', L10n::t('Contacts'), '', L10n::t('Manage/edit friends and contacts')];
                $nav['sitename'] = $a->config['sitename'];
        }
}

/**
 * @brief: Search for contacts
 *
 * This function search for a users contacts. The code is copied from contact search
 * in /mod/contacts.php. With this function the contacts will permitted to acl_lookup()
 * and can grabbed as json. For this we use the type="r". This is usful to to let js
 * grab the contact data.
 * We use this to give the data to textcomplete and have a filter function at the
 * contact page.
 *
 * @param App $a The app data @TODO Unused
 * @param array $results The array with the originals from acl_lookup()
 */
function frio_acl_lookup(App $a, &$results)
{
        require_once 'mod/contacts.php';

        $nets = x($_GET, 'nets') ? notags(trim($_GET['nets'])) : '';

        // we introduce a new search type, r should do the same query like it's
        // done in /mod/contacts for connections
        if ($results['type'] !== 'r') {
                return;
        }

        $sql_extra = '';
        if ($results['search']) {
                $search_txt = dbesc(protect_sprintf(preg_quote($results['search'])));
                $sql_extra .= " AND (`attag` LIKE '%%" . dbesc($search_txt) . "%%' OR `name` LIKE '%%" . dbesc($search_txt) . "%%' OR `nick` LIKE '%%" . dbesc($search_txt) . "%%') ";
        }

        if ($nets) {
                $sql_extra .= sprintf(" AND network = '%s' ", dbesc($nets));
        }

        $total = 0;
        $r = q("SELECT COUNT(*) AS `total` FROM `contact`
                WHERE `uid` = %d AND NOT `self` AND NOT `pending` $sql_extra ", intval($_SESSION['uid']));
        if (DBM::is_result($r)) {
                $total = $r[0]['total'];
        }

        $sql_extra3 = Widget::unavailableNetworks();

        $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND NOT `self` AND NOT `pending` $sql_extra $sql_extra3 ORDER BY `name` ASC LIMIT %d, %d ",
                intval($_SESSION['uid']), intval($results['start']), intval($results['count'])
        );

        $contacts = [];

        if (DBM::is_result($r)) {
                foreach ($r as $rr) {
                        $contacts[] = _contact_detail_for_template($rr);
                }
        }

        $results['items'] = $contacts;
        $results['tot'] = $total;
}

/**
 * @brief Manipulate the data of the item
 *
 * At the moment we use this function to add some own stuff to the item menu
 *
 * @param App $a App $a The app data
 * @param array $arr Array with the item and the item actions<br>
 *     'item' => Array with item data<br>
 *     'output' => Array with item actions<br>
 */
function frio_display_item(App $a, &$arr)
{
        // Add subthread to the item menu
        $subthread = [];
        if (local_user() == $arr['item']['uid'] && $arr['item']['parent'] == $arr['item']['id'] && !$arr['item']['self']) {
                $subthread = [
                        'menu'   => 'follow_thread',
                        'title'  => L10n::t('Follow Thread'),
                        'action' => 'dosubthread(' . $arr['item']['id'] . '); return false;',
                        'href'   => '#'
                ];
        }
        $arr['output']['subthread'] = $subthread;
}