3 * @copyright Copyright (C) 2010-2022, the Friendica project
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
20 * See update_profile.php for documentation
23 namespace Friendica\Module\Conversation;
25 use Friendica\BaseModule;
26 use Friendica\Content\BoundariesPager;
27 use Friendica\Content\Feature;
28 use Friendica\Content\Nav;
29 use Friendica\Content\Text\HTML;
30 use Friendica\Content\Widget;
31 use Friendica\Content\Widget\TrendingTags;
32 use Friendica\Core\Renderer;
33 use Friendica\Database\DBA;
35 use Friendica\Model\Item;
36 use Friendica\Model\Post;
37 use Friendica\Model\User;
38 use Friendica\Network\HTTPException;
40 class Community extends BaseModule
43 * Type of the community page
47 const DISABLED_VISITOR = -1;
50 const LOCAL_AND_GLOBAL = 2;
55 protected static $page_style;
56 protected static $content;
57 protected static $accountTypeString;
58 protected static $accountType;
59 protected static $itemsPerPage;
60 protected static $min_id;
61 protected static $max_id;
62 protected static $item_id;
64 protected function content(array $request = []): string
66 $this->parseRequest();
68 $t = Renderer::getMarkupTemplate("community.tpl");
69 $o = Renderer::replaceMacros($t, [
72 '$show_global_community_hint' => (self::$content == 'global') && DI::config()->get('system', 'show_global_community_hint'),
73 '$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.")
76 if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
77 $tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl');
78 $o .= Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]);
81 if (empty($_GET['mode']) || ($_GET['mode'] != 'raw')) {
84 if ((DI::userSession()->isAuthenticated() || in_array(self::$page_style, [self::LOCAL_AND_GLOBAL, self::LOCAL])) && empty(DI::config()->get('system', 'singleuser'))) {
86 'label' => DI::l10n()->t('Local Community'),
87 'url' => 'community/local',
88 'sel' => self::$content == 'local' ? 'active' : '',
89 'title' => DI::l10n()->t('Posts from local users on this server'),
90 'id' => 'community-local-tab',
95 if (DI::userSession()->isAuthenticated() || in_array(self::$page_style, [self::LOCAL_AND_GLOBAL, self::GLOBAL])) {
97 'label' => DI::l10n()->t('Global Community'),
98 'url' => 'community/global',
99 'sel' => self::$content == 'global' ? 'active' : '',
100 'title' => DI::l10n()->t('Posts from users of the whole federated network'),
101 'id' => 'community-global-tab',
106 $tab_tpl = Renderer::getMarkupTemplate('common_tabs.tpl');
107 $o .= Renderer::replaceMacros($tab_tpl, ['$tabs' => $tabs]);
109 Nav::setSelected('community');
111 DI::page()['aside'] .= Widget::accountTypes('community/' . self::$content, self::$accountTypeString);
113 if (DI::userSession()->getLocalUserId() && DI::config()->get('system', 'community_no_sharer')) {
114 $path = self::$content;
115 if (!empty($this->parameters['accounttype'])) {
116 $path .= '/' . $this->parameters['accounttype'];
118 $query_parameters = [];
120 if (!empty($_GET['min_id'])) {
121 $query_parameters['min_id'] = $_GET['min_id'];
123 if (!empty($_GET['max_id'])) {
124 $query_parameters['max_id'] = $_GET['max_id'];
126 if (!empty($_GET['last_commented'])) {
127 $query_parameters['max_id'] = $_GET['last_commented'];
130 $path_all = $path . (!empty($query_parameters) ? '?' . http_build_query($query_parameters) : '');
131 $path_no_sharer = $path . '?' . http_build_query(array_merge($query_parameters, ['no_sharer' => true]));
132 DI::page()['aside'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('widget/community_sharer.tpl'), [
133 '$title' => DI::l10n()->t('Own Contacts'),
134 '$path_all' => $path_all,
135 '$path_no_sharer' => $path_no_sharer,
136 '$no_sharer' => !empty($_REQUEST['no_sharer']),
137 '$all' => DI::l10n()->t('Include'),
138 '$no_sharer_label' => DI::l10n()->t('Hide'),
142 if (Feature::isEnabled(DI::userSession()->getLocalUserId(), 'trending_tags')) {
143 DI::page()['aside'] .= TrendingTags::getHTML(self::$content);
146 // We need the editor here to be able to reshare an item.
147 if (DI::userSession()->isAuthenticated()) {
148 $o .= DI::conversation()->statusEditor([], 0, true);
152 $items = self::getItems();
154 if (!DBA::isResult($items)) {
155 DI::sysmsg()->addNotice(DI::l10n()->t('No results.'));
159 $o .= DI::conversation()->create($items, 'community', false, false, 'commented', DI::userSession()->getLocalUserId());
161 $pager = new BoundariesPager(
163 DI::args()->getQueryString(),
164 $items[0]['commented'],
165 $items[count($items) - 1]['commented'],
169 if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
170 $o .= HTML::scrollLoader();
172 $o .= $pager->renderMinimal(count($items));
179 * Computes module parameters from the request and local configuration
181 * @throws HTTPException\BadRequestException
182 * @throws HTTPException\ForbiddenException
184 protected function parseRequest()
186 if (DI::config()->get('system', 'block_public') && !DI::userSession()->isAuthenticated()) {
187 throw new HTTPException\ForbiddenException(DI::l10n()->t('Public access denied.'));
190 self::$page_style = DI::config()->get('system', 'community_page_style');
192 if (self::$page_style == self::DISABLED) {
193 throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
196 self::$accountTypeString = $_GET['accounttype'] ?? $this->parameters['accounttype'] ?? '';
197 self::$accountType = User::getAccountTypeByString(self::$accountTypeString);
199 self::$content = $this->parameters['content'] ?? '';
200 if (!self::$content) {
201 if (!empty(DI::config()->get('system', 'singleuser'))) {
202 // On single user systems only the global page does make sense
203 self::$content = 'global';
205 // When only the global community is allowed, we use this as default
206 self::$content = self::$page_style == self::GLOBAL ? 'global' : 'local';
210 if (!in_array(self::$content, ['local', 'global'])) {
211 throw new HTTPException\BadRequestException(DI::l10n()->t('Community option not available.'));
214 // Check if we are allowed to display the content to visitors
215 if (!DI::userSession()->isAuthenticated()) {
216 $available = self::$page_style == self::LOCAL_AND_GLOBAL;
219 $available = (self::$page_style == self::LOCAL) && (self::$content == 'local');
223 $available = (self::$page_style == self::GLOBAL) && (self::$content == 'global');
227 throw new HTTPException\ForbiddenException(DI::l10n()->t('Not available.'));
231 if (DI::mode()->isMobile()) {
232 self::$itemsPerPage = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'itemspage_mobile_network',
233 DI::config()->get('system', 'itemspage_network_mobile'));
235 self::$itemsPerPage = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'itemspage_network',
236 DI::config()->get('system', 'itemspage_network'));
239 if (!empty($_GET['item'])) {
240 $item = Post::selectFirst(['parent'], ['id' => $_GET['item']]);
241 self::$item_id = $item['parent'] ?? 0;
246 self::$min_id = $_GET['min_id'] ?? null;
247 self::$max_id = $_GET['max_id'] ?? null;
248 self::$max_id = $_GET['last_commented'] ?? self::$max_id;
252 * Computes the displayed items.
254 * Community pages have a restriction on how many successive posts by the same author can show on any given page,
255 * so we may have to retrieve more content beyond the first query
260 protected static function getItems()
262 $items = self::selectItems(self::$min_id, self::$max_id, self::$item_id, self::$itemsPerPage);
264 $maxpostperauthor = (int) DI::config()->get('system', 'max_author_posts_community_page');
265 if ($maxpostperauthor != 0 && self::$content == 'local') {
267 $previousauthor = '';
269 $selected_items = [];
271 while (count($selected_items) < self::$itemsPerPage && ++$count < 50 && count($items) > 0) {
272 foreach ($items as $item) {
273 if ($previousauthor == $item["author-link"]) {
278 $previousauthor = $item["author-link"];
280 if (($numposts < $maxpostperauthor) && (count($selected_items) < self::$itemsPerPage)) {
281 $selected_items[] = $item;
285 // If we're looking at a "previous page", the lookup continues forward in time because the list is
286 // sorted in chronologically decreasing order
287 if (isset(self::$min_id)) {
288 self::$min_id = $items[0]['commented'];
290 // In any other case, the lookup continues backwards in time
291 self::$max_id = $items[count($items) - 1]['commented'];
294 $items = self::selectItems(self::$min_id, self::$max_id, self::$item_id, self::$itemsPerPage);
297 $selected_items = $items;
300 return $selected_items;
304 * Database query for the comunity page
311 * @TODO Move to repository/factory
313 private static function selectItems($min_id, $max_id, $item_id, $itemspage)
315 if (self::$content == 'local') {
316 if (!is_null(self::$accountType)) {
317 $condition = ["`wall` AND `origin` AND `private` = ? AND `owner-contact-type` = ?", Item::PUBLIC, self::$accountType];
319 $condition = ["`wall` AND `origin` AND `private` = ?", Item::PUBLIC];
321 } elseif (self::$content == 'global') {
322 if (!is_null(self::$accountType)) {
323 $condition = ["`uid` = ? AND `private` = ? AND `owner-contact-type` = ?", 0, Item::PUBLIC, self::$accountType];
325 $condition = ["`uid` = ? AND `private` = ?", 0, Item::PUBLIC];
331 $params = ['order' => ['commented' => true], 'limit' => $itemspage];
333 if (!empty($item_id)) {
334 $condition[0] .= " AND `id` = ?";
335 $condition[] = $item_id;
337 if (DI::userSession()->getLocalUserId() && !empty($_REQUEST['no_sharer'])) {
338 $condition[0] .= " AND NOT `uri-id` IN (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uid` = ? AND `post-user`.`uri-id` = `post-thread-user-view`.`uri-id`)";
339 $condition[] = DI::userSession()->getLocalUserId();
342 if (isset($max_id)) {
343 $condition[0] .= " AND `commented` < ?";
344 $condition[] = $max_id;
347 if (isset($min_id)) {
348 $condition[0] .= " AND `commented` > ?";
349 $condition[] = $min_id;
351 // Previous page case: we want the items closest to min_id but for that we need to reverse the query order
352 if (!isset($max_id)) {
353 $params['order']['commented'] = false;
358 $r = Post::selectThreadForUser(0, ['uri-id', 'commented', 'author-link'], $condition, $params);
360 $items = Post::toArray($r);
365 // Previous page case: once we get the relevant items closest to min_id, we need to restore the expected display order
366 if (empty($item_id) && isset($min_id) && !isset($max_id)) {
367 $items = array_reverse($items);