372 lines
12 KiB
PHP
372 lines
12 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2022, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* See update_profile.php for documentation
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*/
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namespace Friendica\Module\Conversation;
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use Friendica\BaseModule;
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use Friendica\Content\BoundariesPager;
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use Friendica\Content\Feature;
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use Friendica\Content\Nav;
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use Friendica\Content\Text\HTML;
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use Friendica\Content\Widget;
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use Friendica\Content\Widget\TrendingTags;
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use Friendica\Core\Renderer;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Item;
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use Friendica\Model\Post;
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use Friendica\Model\User;
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use Friendica\Network\HTTPException;
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class Community extends BaseModule
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{
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/**
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* Type of the community page
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* @{
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*/
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const DISABLED = -2;
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const DISABLED_VISITOR = -1;
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const LOCAL = 0;
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const GLOBAL = 1;
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const LOCAL_AND_GLOBAL = 2;
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/**
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* @}
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*/
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protected static $page_style;
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protected static $content;
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protected static $accountTypeString;
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protected static $accountType;
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protected static $itemsPerPage;
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protected static $min_id;
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protected static $max_id;
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protected static $item_id;
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protected function content(array $request = []): string
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{
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$this->parseRequest();
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$t = Renderer::getMarkupTemplate("community.tpl");
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$o = Renderer::replaceMacros($t, [
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'$content' => '',
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'$header' => '',
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'$show_global_community_hint' => (self::$content == 'global') && DI::config()->get('system', 'show_global_community_hint'),
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'$global_community_hint' => DI::l10n()->t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
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]);
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if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
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$tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl');
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$o .= Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]);
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}
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if (empty($_GET['mode']) || ($_GET['mode'] != 'raw')) {
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$tabs = [];
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if ((DI::userSession()->isAuthenticated() || in_array(self::$page_style, [self::LOCAL_AND_GLOBAL, self::LOCAL])) && empty(DI::config()->get('system', 'singleuser'))) {
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$tabs[] = [
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'label' => DI::l10n()->t('Local Community'),
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'url' => 'community/local',
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'sel' => self::$content == 'local' ? 'active' : '',
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'title' => DI::l10n()->t('Posts from local users on this server'),
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'id' => 'community-local-tab',
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'accesskey' => 'l'
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];
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}
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if (DI::userSession()->isAuthenticated() || in_array(self::$page_style, [self::LOCAL_AND_GLOBAL, self::GLOBAL])) {
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$tabs[] = [
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'label' => DI::l10n()->t('Global Community'),
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'url' => 'community/global',
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'sel' => self::$content == 'global' ? 'active' : '',
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'title' => DI::l10n()->t('Posts from users of the whole federated network'),
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'id' => 'community-global-tab',
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'accesskey' => 'g'
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];
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}
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$tab_tpl = Renderer::getMarkupTemplate('common_tabs.tpl');
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$o .= Renderer::replaceMacros($tab_tpl, ['$tabs' => $tabs]);
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Nav::setSelected('community');
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DI::page()['aside'] .= Widget::accountTypes('community/' . self::$content, self::$accountTypeString);
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if (DI::userSession()->getLocalUserId() && DI::config()->get('system', 'community_no_sharer')) {
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$path = self::$content;
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if (!empty($this->parameters['accounttype'])) {
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$path .= '/' . $this->parameters['accounttype'];
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}
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$query_parameters = [];
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if (!empty($_GET['min_id'])) {
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$query_parameters['min_id'] = $_GET['min_id'];
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}
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if (!empty($_GET['max_id'])) {
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$query_parameters['max_id'] = $_GET['max_id'];
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}
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if (!empty($_GET['last_commented'])) {
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$query_parameters['max_id'] = $_GET['last_commented'];
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}
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$path_all = $path . (!empty($query_parameters) ? '?' . http_build_query($query_parameters) : '');
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$path_no_sharer = $path . '?' . http_build_query(array_merge($query_parameters, ['no_sharer' => true]));
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DI::page()['aside'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('widget/community_sharer.tpl'), [
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'$title' => DI::l10n()->t('Own Contacts'),
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'$path_all' => $path_all,
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'$path_no_sharer' => $path_no_sharer,
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'$no_sharer' => !empty($_REQUEST['no_sharer']),
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'$all' => DI::l10n()->t('Include'),
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'$no_sharer_label' => DI::l10n()->t('Hide'),
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]);
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}
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if (Feature::isEnabled(DI::userSession()->getLocalUserId(), 'trending_tags')) {
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DI::page()['aside'] .= TrendingTags::getHTML(self::$content);
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}
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// We need the editor here to be able to reshare an item.
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if (DI::userSession()->isAuthenticated()) {
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$o .= DI::conversation()->statusEditor([], 0, true);
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}
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}
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$items = self::getItems();
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if (!DBA::isResult($items)) {
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DI::sysmsg()->addNotice(DI::l10n()->t('No results.'));
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return $o;
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}
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$o .= DI::conversation()->create($items, 'community', false, false, 'commented', DI::userSession()->getLocalUserId());
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$pager = new BoundariesPager(
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DI::l10n(),
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DI::args()->getQueryString(),
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$items[0]['commented'],
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$items[count($items) - 1]['commented'],
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self::$itemsPerPage
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);
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if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
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$o .= HTML::scrollLoader();
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} else {
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$o .= $pager->renderMinimal(count($items));
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}
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return $o;
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}
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/**
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* Computes module parameters from the request and local configuration
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*
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* @throws HTTPException\BadRequestException
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* @throws HTTPException\ForbiddenException
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*/
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protected function parseRequest()
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{
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if (DI::config()->get('system', 'block_public') && !DI::userSession()->isAuthenticated()) {
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throw new HTTPException\ForbiddenException(DI::l10n()->t('Public access denied.'));
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}
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self::$page_style = DI::config()->get('system', 'community_page_style');
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if (self::$page_style == self::DISABLED) {
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throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
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}
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self::$accountTypeString = $_GET['accounttype'] ?? $this->parameters['accounttype'] ?? '';
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self::$accountType = User::getAccountTypeByString(self::$accountTypeString);
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self::$content = $this->parameters['content'] ?? '';
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if (!self::$content) {
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if (!empty(DI::config()->get('system', 'singleuser'))) {
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// On single user systems only the global page does make sense
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self::$content = 'global';
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} else {
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// When only the global community is allowed, we use this as default
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self::$content = self::$page_style == self::GLOBAL ? 'global' : 'local';
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}
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}
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if (!in_array(self::$content, ['local', 'global'])) {
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throw new HTTPException\BadRequestException(DI::l10n()->t('Community option not available.'));
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}
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// Check if we are allowed to display the content to visitors
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if (!DI::userSession()->isAuthenticated()) {
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$available = self::$page_style == self::LOCAL_AND_GLOBAL;
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if (!$available) {
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$available = (self::$page_style == self::LOCAL) && (self::$content == 'local');
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}
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if (!$available) {
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$available = (self::$page_style == self::GLOBAL) && (self::$content == 'global');
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}
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if (!$available) {
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throw new HTTPException\ForbiddenException(DI::l10n()->t('Not available.'));
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}
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}
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if (DI::mode()->isMobile()) {
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self::$itemsPerPage = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'itemspage_mobile_network',
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DI::config()->get('system', 'itemspage_network_mobile'));
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} else {
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self::$itemsPerPage = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'itemspage_network',
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DI::config()->get('system', 'itemspage_network'));
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}
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if (!empty($_GET['item'])) {
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$item = Post::selectFirst(['parent'], ['id' => $_GET['item']]);
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self::$item_id = $item['parent'] ?? 0;
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} else {
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self::$item_id = 0;
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}
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self::$min_id = $_GET['min_id'] ?? null;
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self::$max_id = $_GET['max_id'] ?? null;
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self::$max_id = $_GET['last_commented'] ?? self::$max_id;
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}
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/**
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* Computes the displayed items.
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*
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* Community pages have a restriction on how many successive posts by the same author can show on any given page,
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* so we may have to retrieve more content beyond the first query
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*
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* @return array
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* @throws \Exception
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*/
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protected static function getItems()
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{
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$items = self::selectItems(self::$min_id, self::$max_id, self::$item_id, self::$itemsPerPage);
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$maxpostperauthor = (int) DI::config()->get('system', 'max_author_posts_community_page');
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if ($maxpostperauthor != 0 && self::$content == 'local') {
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$count = 1;
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$previousauthor = '';
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$numposts = 0;
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$selected_items = [];
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while (count($selected_items) < self::$itemsPerPage && ++$count < 50 && count($items) > 0) {
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foreach ($items as $item) {
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if ($previousauthor == $item["author-link"]) {
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++$numposts;
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} else {
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$numposts = 0;
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}
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$previousauthor = $item["author-link"];
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if (($numposts < $maxpostperauthor) && (count($selected_items) < self::$itemsPerPage)) {
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$selected_items[] = $item;
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}
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}
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// If we're looking at a "previous page", the lookup continues forward in time because the list is
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// sorted in chronologically decreasing order
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if (isset(self::$min_id)) {
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self::$min_id = $items[0]['commented'];
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} else {
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// In any other case, the lookup continues backwards in time
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self::$max_id = $items[count($items) - 1]['commented'];
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}
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$items = self::selectItems(self::$min_id, self::$max_id, self::$item_id, self::$itemsPerPage);
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}
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} else {
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$selected_items = $items;
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}
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return $selected_items;
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}
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/**
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* Database query for the comunity page
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*
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* @param $min_id
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* @param $max_id
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* @param $itemspage
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* @return array
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* @throws \Exception
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* @TODO Move to repository/factory
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*/
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private static function selectItems($min_id, $max_id, $item_id, $itemspage)
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{
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if (self::$content == 'local') {
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if (!is_null(self::$accountType)) {
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$condition = ["`wall` AND `origin` AND `private` = ? AND `owner-contact-type` = ?", Item::PUBLIC, self::$accountType];
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} else {
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$condition = ["`wall` AND `origin` AND `private` = ?", Item::PUBLIC];
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}
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} elseif (self::$content == 'global') {
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if (!is_null(self::$accountType)) {
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$condition = ["`uid` = ? AND `private` = ? AND `owner-contact-type` = ?", 0, Item::PUBLIC, self::$accountType];
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} else {
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$condition = ["`uid` = ? AND `private` = ?", 0, Item::PUBLIC];
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}
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} else {
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return [];
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}
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$params = ['order' => ['commented' => true], 'limit' => $itemspage];
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if (!empty($item_id)) {
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$condition[0] .= " AND `id` = ?";
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$condition[] = $item_id;
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} else {
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if (DI::userSession()->getLocalUserId() && !empty($_REQUEST['no_sharer'])) {
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$condition[0] .= " AND NOT `uri-id` IN (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uid` = ?)";
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$condition[] = DI::userSession()->getLocalUserId();
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}
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if (isset($max_id)) {
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$condition[0] .= " AND `commented` < ?";
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$condition[] = $max_id;
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}
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if (isset($min_id)) {
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$condition[0] .= " AND `commented` > ?";
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$condition[] = $min_id;
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// Previous page case: we want the items closest to min_id but for that we need to reverse the query order
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if (!isset($max_id)) {
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$params['order']['commented'] = false;
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}
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}
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}
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$r = Post::selectThreadForUser(0, ['uri-id', 'commented', 'author-link'], $condition, $params);
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$items = Post::toArray($r);
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if (empty($items)) {
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return [];
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}
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// Previous page case: once we get the relevant items closest to min_id, we need to restore the expected display order
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if (empty($item_id) && isset($min_id) && !isset($max_id)) {
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$items = array_reverse($items);
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}
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return $items;
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}
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}
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