<?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\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 Forum

{

public function __construct()

{

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

Lang::load('forum');

Lang::load('misc');

}

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

{

Hooks::fire('controller.forum.display');

// Fetch some information about the forum

$curForum = $this->model->getForumInfo($args['id']);

// Is this a redirect forum? In that case, redirect!

if ($curForum['redirect_url'] != '') {

return Router::redirect(Router::pathFor('Forum', ['id' => $curForum['redirect_url'], 'name' => $curForum['forum_url']]));

}

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

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

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

$sortBy = $this->model->sortForumBy($curForum['sort_by']);

// Can we or can we not post new topics?

if (($curForum['post_topics'] == '' && User::can('topic.post')) || $curForum['post_topics'] == '1' || $isAdmmod) {

$postLink = "\t\t\t".'<p class="postlink conr"><a href="'.Router::pathFor('newTopic', ['fid' => $args['id']]).'">'.__('Post topic').'</a></p>'."\n";

} else {

$postLink = '';

}

// Determine the topic offset (based on $args['page'])

$numPages = ceil($curForum['num_topics'] / User::getPref('disp.topics'));

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

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

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

// Generate paging links

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

$forumActions = $this->model->getForumActions($args['id'], $urlForum, ($curForum['is_subscribed'] == User::get()->id));

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

if ($numPages > 1) {

if ($p > 1) {

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

}

if ($p < $numPages) {

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

}

}

View::setPageInfo([

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

'active_page' => 'Forum',

'page_number' => $p,

'paging_links' => $pagingLinks,

'is_indexed' => true,

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

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

'forum_data' => $this->model->printTopics($args['id'], $sortBy, $startFrom),

'cur_forum' => $curForum,

'post_link' => $postLink,

'start_from' => $startFrom,

'url_forum' => $urlForum,

'forum_actions' => $forumActions,

'is_admmod' => $isAdmmod,

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

}

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

{

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

// Make sure that only admmods allowed access this page

$moderators = $this->model->getModerators($args['id']);

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

if (!User::isAdmin() && (!User::isAdminMod() || !array_key_exists(User::get()->username, $modsArray))) {

throw new Error(__('No permission'), 403);

}

// Fetch some info about the forum

$curForum = $this->model->getForumInfo($args['id']);

// Is this a redirect forum? In that case, abort!

if ($curForum['redirect_url'] != '') {

throw new Error(__('Bad request'), '404');

}

$sortBy = $this->model->sortForumBy($curForum['sort_by']);

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

$numPages = ceil($curForum['num_topics'] / User::getPref('disp.topics'));

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

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

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

View::setPageInfo([

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

'active_page' => 'moderate',

'page' => $p,

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

'p' => $p,

'url_forum' => $urlForum,

'cur_forum' => $curForum,

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

'topic_data' => $this->model->displayTopicsModerate($args['id'], $sortBy, $startFrom),

'start_from' => $startFrom,

]

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

}

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

{

Hooks::fire('controller.forum.markread');

$trackedTopics = Track::getTrackedTopics();

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

Track::setTrackedTopics($trackedTopics);

return Router::redirect(Router::pathFor('Forum', ['id' => $args['id'], 'name' => $args['name']]), __('Mark forum read redirect'));

}

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

{

Hooks::fire('controller.forum.subscribe');

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

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

}

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

{

Hooks::fire('controller.forum.unsubscribe');

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

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

}

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

{

Hooks::fire('controller.forum.dealposts');

// Make sure that only admmods allowed access this page

$moderators = $this->model->getModerators($args['id']);

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

if (!User::isAdmin() && (!User::isAdminMod() || !array_key_exists(User::get()->username, $modsArray))) {

throw new Error(__('No permission'), 403);

}

$topicModel = new \FeatherBB\Model\Topic();

// Move one or more topics

if (Input::post('move_topics') || Input::post('move_topics_to')) {

$topics = Input::post('topics') ? Input::post('topics') : [];

if (empty($topics)) {

throw new Error(__('No topics selected'), 400);

}

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

$topics = explode(',', $topics);

$topicModel->moveTo($args['id'], $newFid, $topics);

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

}

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

if (!$topicModel->checkMove()) {

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

}

return View::setPageInfo([

'action' => 'multi',

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

'active_page' => 'moderate',

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

'topics' => implode(',', array_map('intval', array_keys($topics))),

'list_forums' => $topicModel->getForumListMove($args['id']),

]

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

}

// Merge two or more topics

elseif (Input::post('merge_topics') || Input::post('merge_topics_comply')) {

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

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

return Router::redirect(Router::pathFor('Forum', ['id' => $args['id'], 'name' => $args['name']]), __('Merge topics redirect'));

}

$topics = Input::post('topics') ? Input::post('topics') : [];

if (count($topics) < 2) {

throw new Error(__('Not enough topics selected'), 400);

}

return View::setPageInfo([

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

'active_page' => 'moderate',

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

'topics' => $topics,

]

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

}

// Delete one or more topics

elseif (Input::post('delete_topics') || Input::post('delete_topics_comply')) {

$topics = Input::post('topics') ? Input::post('topics') : [];

if (empty($topics)) {

throw new Error(__('No topics selected'), 400);

}

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

$this->model->delete($topics, $args['id']);

return Router::redirect(Router::pathFor('Forum', ['id' => $args['id'], 'name' => $args['name']]), __('Delete topics redirect'));

}

return View::setPageInfo([

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

'active_page' => 'moderate',

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

'topics' => $topics,

]

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

}

// Open or close one or more topics

elseif (Input::post('open') || Input::post('close')) {

$action = (Input::post('open')) ? 0 : 1;

// There could be an array of topic IDs in $_pOST

if (Input::post('open') || Input::post('close')) {

$topics = Input::post('topics') ? @array_map('intval', @array_keys(Input::post('topics'))) : [];

if (empty($topics)) {

throw new Error(__('No topics selected'), 400);

}

$this->model->closeMultiple($action, $topics);

$redirectMsg = ($action) ? __('Close topics redirect') : __('Open topics redirect');

return Router::redirect(Router::pathFor('moderateForum', ['id' => $args['id'], 'name' => $args['name'], 'page' => $args['page']]), $redirectMsg);

}

}

// Stick or unstick one or more topics

elseif (Input::post('stick') || Input::post('unstick')) {

$action = (Input::post('stick')) ? 1 : 0;

// There could be an array of topic IDs in $_pOST

if (Input::post('stick') || Input::post('unstick')) {

$topics = Input::post('topics') ? @array_map('intval', @array_keys(Input::post('topics'))) : [];

if (empty($topics)) {

throw new Error(__('No topics selected'), 400);

}

$this->model->stickMultiple($action, $topics);

$redirectMsg = ($action) ? __('Stick topics redirect') : __('Unstick topics redirect');

return Router::redirect(Router::pathFor('moderateForum', ['id' => $args['id'], 'name' => $args['name'], 'page' => $args['page']]), $redirectMsg);

}

}

}

}