<?php

/**

* Copyright (C) 2015-2019 FeatherBB

* based on code by (C) 2008-2015 FluxBB

* and Rickard Andersson (C) 2002-2008 PunBB

* License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher

*/

namespace FeatherBB\Controller;

use FeatherBB\Core\Error;

use FeatherBB\Core\Interfaces\ForumEnv;

use FeatherBB\Core\Interfaces\ForumSettings;

use FeatherBB\Core\Interfaces\Hooks;

use FeatherBB\Core\Interfaces\Input;

use FeatherBB\Core\Interfaces\Lang;

use FeatherBB\Core\Interfaces\Router;

use FeatherBB\Core\Interfaces\User;

use FeatherBB\Core\Interfaces\View;

use FeatherBB\Core\Track;

use FeatherBB\Core\Url;

use FeatherBB\Core\Utils;

class Topic

{

public function __construct()

{

$this->model = new \FeatherBB\Model\Topic();

Lang::load('topic');

Lang::load('misc'); // To be removed

Lang::load('post');

}

public function display($req, $res, $args)

{

if (!isset($args['page'])) {

$args['page'] = null;

}

if (!isset($args['pid'])) {

$args['pid'] = null;

}

if (!isset($args['name'])) {

$args['name'] = null;

}

Hooks::fire('controller.topic.display', $args['id'], $args['name'], $args['page'], $args['pid']);

// Antispam feature

$langAntispamQuestions = require ForumEnv::get('FEATHER_ROOT').'featherbb/lang/'.User::getPref('language').'/antispam.php';

$indexQuestions = rand(0, count($langAntispamQuestions)-1);

// Fetch some information about the topic

$curTopic = $this->model->getInfoTopic($args['id']);

// Sort out who the moderators are and if we are currently a moderator (or an admin)

$modsArray = ($curTopic['moderators'] != '') ? unserialize($curTopic['moderators']) : [];

$isAdmmod = (User::isAdmin() || (User::isAdminMod() && array_key_exists(User::get()->username, $modsArray))) ? true : false;

// Can we or can we not post replies?

$postLink = $this->model->postLink($args['id'], $curTopic['closed'], $curTopic['post_replies'], $isAdmmod);

// Add/update this topic in our list of tracked topics

if (!User::get()->is_guest) {

$trackedTopics = Track::getTrackedTopics();

$trackedTopics['topics'][$args['id']] = time();

Track::setTrackedTopics($trackedTopics);

}

// Determine the post offset (based on $_gET['p'])

$numPages = ceil(($curTopic['num_replies'] + 1) / User::getPref('disp.posts'));

$p = (!isset($args['page']) || $args['page'] <= 1 || $args['page'] > $numPages) ? 1 : intval($args['page']);

$startFrom = User::getPref('disp.posts') * ($p - 1);

$urlTopic = Url::slug($curTopic['subject']);

$urlForum = Url::slug($curTopic['forum_name']);

// Generate paging links

$pagingLinks = '<span class="pages-label">'.__('Pages').' </span>'.Url::paginate($numPages, $p, 'topic/'.$args['id'].'/'.$urlTopic.'/#');

if (ForumSettings::get('o_censoring') == '1') {

$curTopic['subject'] = Utils::censor($curTopic['subject']);

}

$quickpost = $this->model->isQuickpost($curTopic['post_replies'], $curTopic['closed'], $isAdmmod);

$subscraction = $this->model->getSubscraction(($curTopic['is_subscribed'] == User::get()->id), $args['id'], $args['name']);

View::addAsset('canonical', Router::pathFor('Topic', ['id' => $args['id'], 'name' => $urlTopic]));

if ($numPages > 1) {

if ($p > 1) {

View::addAsset('prev', Router::pathFor('Topic', ['id' => $args['id'], 'name' => $urlTopic, 'page' => intval($p-1)]));

}

if ($p < $numPages) {

View::addAsset('next', Router::pathFor('Topic', ['id' => $args['id'], 'name' => $urlTopic, 'page' => intval($p+1)]));

}

}

View::setPageInfo([

'title' => [Utils::escape(ForumSettings::get('o_board_title')), Utils::escape($curTopic['forum_name']), Utils::escape($curTopic['subject'])],

'active_page' => 'Topic',

'page_number' => $p,

'paging_links' => $pagingLinks,

'is_indexed' => true,

'id' => $args['id'],

'pid' => $args['pid'],

'tid' => $args['id'],

'fid' => $curTopic['forum_id'],

'post_data' => $this->model->printPosts($args['id'], $startFrom, $curTopic, $isAdmmod),

'cur_topic' => $curTopic,

'subscraction' => $subscraction,

'post_link' => $postLink,

'start_from' => $startFrom,

'quickpost' => $quickpost,

'index_questions' => $indexQuestions,

'lang_antispam_questions' => $langAntispamQuestions,

'url_forum' => $urlForum,

'url_topic' => $urlTopic,

'is_admmod' => $isAdmmod,

])->addTemplate('@forum/topic')->display();

// Increment "num_views" for topic

$this->model->incrementViews($args['id']);

}

public function viewpost($req, $res, $args)

{

$args['pid'] = Hooks::fire('controller.topic.viewpost', $args['pid']);

$post = $this->model->redirectToPost($args['pid']);

$args['id'] = $post['topic_id'];

$args['page'] = $post['get_p'];

$this->display($req, $res, $args);

}

public function subscribe($req, $res, $args)

{

$args['id'] = Hooks::fire('controller.topic.subscribe', $args['id']);

$this->model->subscribe($args['id']);

return Router::redirect(Router::pathFor('Topic', ['id' => $args['id'], 'name' => $args['name']]), __('Subscribe redirect'));

}

public function unsubscribe($req, $res, $args)

{

$args['id'] = Hooks::fire('controller.topic.unsubscribe', $args['id']);

$this->model->unsubscribe($args['id']);

return Router::redirect(Router::pathFor('Topic', ['id' => $args['id'], 'name' => $args['name']]), __('Unsubscribe redirect'));

}

public function close($req, $res, $args)

{

$args['id'] = Hooks::fire('controller.topic.close', $args['id']);

$topic = $this->model->setClosed($args['id'], 1);

return Router::redirect(Router::pathFor('Topic', ['id' => $args['id'], 'name' => Url::slug($topic['subject'])]), __('Close topic redirect'));

}

public function open($req, $res, $args)

{

$args['id'] = Hooks::fire('controller.topic.open', $args['id']);

$topic = $this->model->setClosed($args['id'], 0);

return Router::redirect(Router::pathFor('Topic', ['id' => $args['id'], 'name' => Url::slug($topic['subject'])]), __('Open topic redirect'));

}

public function stick($req, $res, $args)

{

$args['id'] = Hooks::fire('controller.topic.stick', $args['id']);

$topic = $this->model->setSticky($args['id'], 1);

return Router::redirect(Router::pathFor('Topic', ['id' => $args['id'], 'name' => Url::slug($topic['subject'])]), __('Stick topic redirect'));

}

public function unstick($req, $res, $args)

{

$args['id'] = Hooks::fire('controller.topic.unstick', $args['id']);

$topic = $this->model->setSticky($args['id'], 0);

return Router::redirect(Router::pathFor('Topic', ['id' => $args['id'], 'name' => Url::slug($topic['subject'])]), __('Unstick topic redirect'));

}

// Move a single topic

public function move($req, $res, $args)

{

$args['id'] = Hooks::fire('controller.topic.move', $args['id']);

if ($newFid = Input::post('move_to_forum')) {

$this->model->moveTo($args['fid'], $newFid, $args['id']);

return Router::redirect(Router::pathFor('Topic', ['id' => $args['id'], 'name' => $args['name']]), __('Move topic redirect'));

}

// Check if there are enough forums to move the topic

if (!$this->model->checkMove()) {

throw new Error(__('Nowhere to move'), 403);

}

View::setPageInfo([

'title' => [Utils::escape(ForumSettings::get('o_board_title')), __('Moderate')],

'active_page' => 'moderate',

'action' => 'single',

'topics' => $args['id'],

'list_forums' => $this->model->getForumListMove($args['fid']),

]

)->addTemplate('@forum/moderate/move_topics')->display();

}

public function moderate($req, $res, $args)

{

Hooks::fire('controller.topic.moderate');

$curTopic = $this->model->getTopicInfo($args['fid'], $args['id']);

// Determine the post offset (based on $_gET['p'])

$numPages = ceil(($curTopic['num_replies'] + 1) / User::getPref('disp.posts'));

$p = (!isset($args['page']) || $args['page'] <= 1 || $args['page'] > $numPages) ? 1 : intval($args['page']);

$startFrom = User::getPref('disp.posts') * ($p - 1);

// Delete one or more posts

if (Input::post('delete_posts_comply')) {

return $this->model->deletePosts($args['id'], $args['fid']);

} elseif (Input::post('delete_posts')) {

$posts = $this->model->deletePosts($args['id'], $args['fid']);

return View::setPageInfo([

'title' => [Utils::escape(ForumSettings::get('o_board_title')), __('Moderate')],

'active_page' => 'moderate',

'posts' => $posts,

]

)->addTemplate('@forum/moderate/delete_posts')->display();

} elseif (Input::post('split_posts_comply')) {

return $this->model->splitPosts($args['id'], $args['fid'], $p);

} elseif (Input::post('split_posts')) {

return View::setPageInfo([

'title' => [Utils::escape(ForumSettings::get('o_board_title')), __('Moderate')],

'page' => $p,

'active_page' => 'moderate',

'id' => $args['id'],

'posts' => $this->model->splitPosts($args['id'], $args['fid'], $p),

'list_forums' => $this->model->getSplitForumList($args['fid']),

]

)->addTemplate('@forum/moderate/split_posts')->display();

} else {

// Show the moderate posts view

// Used to disable the Move and Delete buttons if there are no replies to this topic

$buttonStatus = ($curTopic['num_replies'] == 0) ? ' disabled="disabled"' : '';

/*if (isset($_gET['action']) && $_gET['action'] == 'all') {

User::getPref('disp.posts') = $curTopic['num_replies'] + 1;

}*/

if (ForumSettings::get('o_censoring') == '1') {

$curTopic['subject'] = Utils::censor($curTopic['subject']);

}

return View::setPageInfo([

'title' => [Utils::escape(ForumSettings::get('o_board_title')), Utils::escape($curTopic['forum_name']), Utils::escape($curTopic['subject'])],

'page' => $p,

'active_page' => 'moderate',

'cur_topic' => $curTopic,

'url_topic' => Url::slug($curTopic['subject']),

'url_forum' => Url::slug($curTopic['forum_name']),

'fid' => $args['fid'],

'id' => $args['id'],

'paging_links' => '<span class="pages-label">' . __('Pages') . ' </span>' . Url::paginate($numPages, $p, 'topic/moderate/' . $args['id'] . '/forum/' . $args['fid'] . '/#'),

'post_data' => $this->model->moderateDisplayPosts($args['id'], $startFrom),

'button_status' => $buttonStatus,

'start_from' => $startFrom,

]

)->addTemplate('@forum/moderate/posts_view')->display();

}

}

public function action($req, $res, $args)

{

Hooks::fire('controller.topic.action');

return $this->model->handleActions($args['id'], $args['name'], $args['action']);

}

}