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\Core\Session;
34 use Friendica\Database\DBA;
36 use Friendica\Model\Item;
37 use Friendica\Model\Post;
38 use Friendica\Model\User;
39 use Friendica\Network\HTTPException;
41 class Community extends BaseModule
43 protected static $page_style;
44 protected static $content;
45 protected static $accountTypeString;
46 protected static $accountType;
47 protected static $itemsPerPage;
48 protected static $min_id;
49 protected static $max_id;
50 protected static $item_id;
52 protected function content(array $request = []): string
54 $this->parseRequest();
56 if (DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) {
57 $tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl');
58 $o = Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]);
63 if (empty($_GET['mode']) || ($_GET['mode'] != 'raw')) {
66 if ((Session::isAuthenticated() || in_array(self::$page_style, [CP_USERS_AND_GLOBAL, CP_USERS_ON_SERVER])) && empty(DI::config()->get('system', 'singleuser'))) {
68 'label' => DI::l10n()->t('Local Community'),
69 'url' => 'community/local',
70 'sel' => self::$content == 'local' ? 'active' : '',
71 'title' => DI::l10n()->t('Posts from local users on this server'),
72 'id' => 'community-local-tab',
77 if (Session::isAuthenticated() || in_array(self::$page_style, [CP_USERS_AND_GLOBAL, CP_GLOBAL_COMMUNITY])) {
79 'label' => DI::l10n()->t('Global Community'),
80 'url' => 'community/global',
81 'sel' => self::$content == 'global' ? 'active' : '',
82 'title' => DI::l10n()->t('Posts from users of the whole federated network'),
83 'id' => 'community-global-tab',
88 $tab_tpl = Renderer::getMarkupTemplate('common_tabs.tpl');
89 $o .= Renderer::replaceMacros($tab_tpl, ['$tabs' => $tabs]);
91 Nav::setSelected('community');
93 DI::page()['aside'] .= Widget::accountTypes('community/' . self::$content, self::$accountTypeString);
95 if (local_user() && DI::config()->get('system', 'community_no_sharer')) {
96 $path = self::$content;
97 if (!empty($this->parameters['accounttype'])) {
98 $path .= '/' . $this->parameters['accounttype'];
100 $query_parameters = [];
102 if (!empty($_GET['min_id'])) {
103 $query_parameters['min_id'] = $_GET['min_id'];
105 if (!empty($_GET['max_id'])) {
106 $query_parameters['max_id'] = $_GET['max_id'];
108 if (!empty($_GET['last_commented'])) {
109 $query_parameters['max_id'] = $_GET['last_commented'];
112 $path_all = $path . (!empty($query_parameters) ? '?' . http_build_query($query_parameters) : '');
113 $path_no_sharer = $path . '?' . http_build_query(array_merge($query_parameters, ['no_sharer' => true]));
114 DI::page()['aside'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('widget/community_sharer.tpl'), [
115 '$title' => DI::l10n()->t('Own Contacts'),
116 '$path_all' => $path_all,
117 '$path_no_sharer' => $path_no_sharer,
118 '$no_sharer' => !empty($_REQUEST['no_sharer']),
119 '$all' => DI::l10n()->t('Include'),
120 '$no_sharer_label' => DI::l10n()->t('Hide'),
124 if (Feature::isEnabled(local_user(), 'trending_tags')) {
125 DI::page()['aside'] .= TrendingTags::getHTML(self::$content);
128 // We need the editor here to be able to reshare an item.
129 if (Session::isAuthenticated()) {
130 $o .= DI::conversation()->statusEditor([], 0, true);
134 $items = self::getItems();
136 if (!DBA::isResult($items)) {
137 notice(DI::l10n()->t('No results.'));
141 $o .= DI::conversation()->create($items, 'community', false, false, 'commented', local_user());
143 $pager = new BoundariesPager(
145 DI::args()->getQueryString(),
146 $items[0]['commented'],
147 $items[count($items) - 1]['commented'],
151 if (DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) {
152 $o .= HTML::scrollLoader();
154 $o .= $pager->renderMinimal(count($items));
157 $t = Renderer::getMarkupTemplate("community.tpl");
158 return Renderer::replaceMacros($t, [
161 '$show_global_community_hint' => (self::$content == 'global') && DI::config()->get('system', 'show_global_community_hint'),
162 '$global_community_hint' => DI::l10n()->t("This community stream shows all public posts received by this node. They may not reflect the opinions of this node’s users.")
167 * Computes module parameters from the request and local configuration
169 * @throws HTTPException\BadRequestException
170 * @throws HTTPException\ForbiddenException
172 protected function parseRequest()
174 if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
175 throw new HTTPException\ForbiddenException(DI::l10n()->t('Public access denied.'));
178 self::$page_style = DI::config()->get('system', 'community_page_style');
180 if (self::$page_style == CP_NO_INTERNAL_COMMUNITY) {
181 throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
184 self::$accountTypeString = $_GET['accounttype'] ?? $this->parameters['accounttype'] ?? '';
185 self::$accountType = User::getAccountTypeByString(self::$accountTypeString);
187 self::$content = $this->parameters['content'] ?? '';
188 if (!self::$content) {
189 if (!empty(DI::config()->get('system', 'singleuser'))) {
190 // On single user systems only the global page does make sense
191 self::$content = 'global';
193 // When only the global community is allowed, we use this as default
194 self::$content = self::$page_style == CP_GLOBAL_COMMUNITY ? 'global' : 'local';
198 if (!in_array(self::$content, ['local', 'global'])) {
199 throw new HTTPException\BadRequestException(DI::l10n()->t('Community option not available.'));
202 // Check if we are allowed to display the content to visitors
203 if (!Session::isAuthenticated()) {
204 $available = self::$page_style == CP_USERS_AND_GLOBAL;
207 $available = (self::$page_style == CP_USERS_ON_SERVER) && (self::$content == 'local');
211 $available = (self::$page_style == CP_GLOBAL_COMMUNITY) && (self::$content == 'global');
215 throw new HTTPException\ForbiddenException(DI::l10n()->t('Not available.'));
219 if (DI::mode()->isMobile()) {
220 self::$itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_mobile_network',
221 DI::config()->get('system', 'itemspage_network_mobile'));
223 self::$itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_network',
224 DI::config()->get('system', 'itemspage_network'));
227 if (!empty($_GET['item'])) {
228 $item = Post::selectFirst(['parent'], ['id' => $_GET['item']]);
229 self::$item_id = $item['parent'] ?? 0;
234 self::$min_id = $_GET['min_id'] ?? null;
235 self::$max_id = $_GET['max_id'] ?? null;
236 self::$max_id = $_GET['last_commented'] ?? self::$max_id;
240 * Computes the displayed items.
242 * Community pages have a restriction on how many successive posts by the same author can show on any given page,
243 * so we may have to retrieve more content beyond the first query
248 protected static function getItems()
250 $items = self::selectItems(self::$min_id, self::$max_id, self::$item_id, self::$itemsPerPage);
252 $maxpostperauthor = (int) DI::config()->get('system', 'max_author_posts_community_page');
253 if ($maxpostperauthor != 0 && self::$content == 'local') {
255 $previousauthor = '';
257 $selected_items = [];
259 while (count($selected_items) < self::$itemsPerPage && ++$count < 50 && count($items) > 0) {
260 foreach ($items as $item) {
261 if ($previousauthor == $item["author-link"]) {
266 $previousauthor = $item["author-link"];
268 if (($numposts < $maxpostperauthor) && (count($selected_items) < self::$itemsPerPage)) {
269 $selected_items[] = $item;
273 // If we're looking at a "previous page", the lookup continues forward in time because the list is
274 // sorted in chronologically decreasing order
275 if (isset(self::$min_id)) {
276 self::$min_id = $items[0]['commented'];
278 // In any other case, the lookup continues backwards in time
279 self::$max_id = $items[count($items) - 1]['commented'];
282 $items = self::selectItems(self::$min_id, self::$max_id, self::$item_id, self::$itemsPerPage);
285 $selected_items = $items;
288 return $selected_items;
292 * Database query for the comunity page
299 * @TODO Move to repository/factory
301 private static function selectItems($min_id, $max_id, $item_id, $itemspage)
303 if (self::$content == 'local') {
304 if (!is_null(self::$accountType)) {
305 $condition = ["`wall` AND `origin` AND `private` = ? AND `owner-contact-type` = ?", Item::PUBLIC, self::$accountType];
307 $condition = ["`wall` AND `origin` AND `private` = ?", Item::PUBLIC];
309 } elseif (self::$content == 'global') {
310 if (!is_null(self::$accountType)) {
311 $condition = ["`uid` = ? AND `private` = ? AND `owner-contact-type` = ?", 0, Item::PUBLIC, self::$accountType];
313 $condition = ["`uid` = ? AND `private` = ?", 0, Item::PUBLIC];
319 $params = ['order' => ['commented' => true], 'limit' => $itemspage];
321 if (!empty($item_id)) {
322 $condition[0] .= " AND `id` = ?";
323 $condition[] = $item_id;
325 if (local_user() && !empty($_REQUEST['no_sharer'])) {
326 $condition[0] .= " AND NOT EXISTS (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uri-id` = `post-thread-user-view`.`uri-id` AND `post-user`.`uid` = ?)";
327 $condition[] = local_user();
330 if (isset($max_id)) {
331 $condition[0] .= " AND `commented` < ?";
332 $condition[] = $max_id;
335 if (isset($min_id)) {
336 $condition[0] .= " AND `commented` > ?";
337 $condition[] = $min_id;
339 // Previous page case: we want the items closest to min_id but for that we need to reverse the query order
340 if (!isset($max_id)) {
341 $params['order']['commented'] = false;
346 $r = Post::selectThreadForUser(0, ['uri-id', 'commented', 'author-link'], $condition, $params);
348 $items = Post::toArray($r);
353 // Previous page case: once we get the relevant items closest to min_id, we need to restore the expected display order
354 if (empty($item_id) && isset($min_id) && !isset($max_id)) {
355 $items = array_reverse($items);