3 * @copyright Copyright (C) 2020, Friendica
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\Widget\TrendingTags;
30 use Friendica\Core\ACL;
31 use Friendica\Core\Renderer;
32 use Friendica\Core\Session;
33 use Friendica\Database\DBA;
35 use Friendica\Model\Item;
36 use Friendica\Model\User;
37 use Friendica\Network\HTTPException;
39 class Community extends BaseModule
41 protected static $page_style;
42 protected static $content;
43 protected static $accounttype;
44 protected static $itemsPerPage;
45 protected static $since_id;
46 protected static $max_id;
48 public static function content(array $parameters = [])
50 self::parseRequest($parameters);
54 if ((local_user() || in_array(self::$page_style, [CP_USERS_AND_GLOBAL, CP_USERS_ON_SERVER])) && empty(DI::config()->get('system', 'singleuser'))) {
56 'label' => DI::l10n()->t('Local Community'),
57 'url' => 'community/local',
58 'sel' => self::$content == 'local' ? 'active' : '',
59 'title' => DI::l10n()->t('Posts from local users on this server'),
60 'id' => 'community-local-tab',
65 if (local_user() || in_array(self::$page_style, [CP_USERS_AND_GLOBAL, CP_GLOBAL_COMMUNITY])) {
67 'label' => DI::l10n()->t('Global Community'),
68 'url' => 'community/global',
69 'sel' => self::$content == 'global' ? 'active' : '',
70 'title' => DI::l10n()->t('Posts from users of the whole federated network'),
71 'id' => 'community-global-tab',
76 $tab_tpl = Renderer::getMarkupTemplate('common_tabs.tpl');
77 $o = Renderer::replaceMacros($tab_tpl, ['$tabs' => $tabs]);
79 Nav::setSelected('community');
81 $items = self::getItems();
83 if (!DBA::isResult($items)) {
84 info(DI::l10n()->t('No results.'));
88 // We need the editor here to be able to reshare an item.
92 'allow_location' => DI::app()->user['allow_location'],
93 'default_location' => DI::app()->user['default-location'],
94 'nickname' => DI::app()->user['nickname'],
95 'lockstate' => (is_array(DI::app()->user) && (strlen(DI::app()->user['allow_cid']) || strlen(DI::app()->user['allow_gid']) || strlen(DI::app()->user['deny_cid']) || strlen(DI::app()->user['deny_gid'])) ? 'lock' : 'unlock'),
96 'acl' => ACL::getFullSelectorHTML(DI::page(), DI::app()->user, true),
99 'profile_uid' => local_user(),
101 $o .= status_editor(DI::app(), $x, 0, true);
104 $o .= conversation(DI::app(), $items, 'community', false, false, 'commented', local_user());
106 $pager = new BoundariesPager(
107 DI::args()->getQueryString(),
108 $items[0]['commented'],
109 $items[count($items) - 1]['commented'],
113 $o .= $pager->renderMinimal(count($items));
115 if (Feature::isEnabled(local_user(), 'trending_tags')) {
116 DI::page()['aside'] .= TrendingTags::getHTML(self::$content);
119 $t = Renderer::getMarkupTemplate("community.tpl");
120 return Renderer::replaceMacros($t, [
123 '$show_global_community_hint' => (self::$content == 'global') && DI::config()->get('system', 'show_global_community_hint'),
124 '$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.")
129 * Computes module parameters from the request and local configuration
131 * @param array $parameters
132 * @throws HTTPException\BadRequestException
133 * @throws HTTPException\ForbiddenException
135 protected static function parseRequest(array $parameters)
137 if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
138 throw new HTTPException\ForbiddenException(DI::l10n()->t('Public access denied.'));
141 self::$page_style = DI::config()->get('system', 'community_page_style');
143 if (self::$page_style == CP_NO_INTERNAL_COMMUNITY) {
144 throw new HTTPException\ForbiddenException(DI::l10n()->t('Access denied.'));
147 switch ($parameters['accounttype'] ?? '') {
149 self::$accounttype = User::ACCOUNT_TYPE_PERSON;
152 self::$accounttype = User::ACCOUNT_TYPE_ORGANISATION;
155 self::$accounttype = User::ACCOUNT_TYPE_NEWS;
158 self::$accounttype = User::ACCOUNT_TYPE_COMMUNITY;
161 self::$accounttype = null;
165 self::$content = $parameters['content'] ?? '';
166 if (!self::$content) {
167 if (!empty(DI::config()->get('system', 'singleuser'))) {
168 // On single user systems only the global page does make sense
169 self::$content = 'global';
171 // When only the global community is allowed, we use this as default
172 self::$content = self::$page_style == CP_GLOBAL_COMMUNITY ? 'global' : 'local';
176 if (!in_array(self::$content, ['local', 'global'])) {
177 throw new HTTPException\BadRequestException(DI::l10n()->t('Community option not available.'));
180 // Check if we are allowed to display the content to visitors
182 $available = self::$page_style == CP_USERS_AND_GLOBAL;
185 $available = (self::$page_style == CP_USERS_ON_SERVER) && (self::$content == 'local');
189 $available = (self::$page_style == CP_GLOBAL_COMMUNITY) && (self::$content == 'global');
193 throw new HTTPException\ForbiddenException(DI::l10n()->t('Not available.'));
197 // check if we serve a mobile device and get the user settings accordingly
198 if (DI::mode()->isMobile()) {
199 self::$itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_mobile_network', 20);
201 self::$itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_network', 40);
204 // now that we have the user settings, see if the theme forces
205 // a maximum item number which is lower then the user choice
206 if ((DI::app()->force_max_items > 0) && (DI::app()->force_max_items < self::$itemsPerPage)) {
207 self::$itemsPerPage = DI::app()->force_max_items;
210 self::$since_id = $_GET['since_id'] ?? null;
211 self::$max_id = $_GET['max_id'] ?? null;
215 * Computes the displayed items.
217 * Community pages have a restriction on how many successive posts by the same author can show on any given page,
218 * so we may have to retrieve more content beyond the first query
223 protected static function getItems()
225 $items = self::selectItems(self::$since_id, self::$max_id, self::$itemsPerPage);
227 $maxpostperauthor = (int) DI::config()->get('system', 'max_author_posts_community_page');
228 if ($maxpostperauthor != 0 && self::$content == 'local') {
230 $previousauthor = '';
232 $selected_items = [];
234 while (count($selected_items) < self::$itemsPerPage && ++$count < 50 && count($items) > 0) {
235 foreach ($items as $item) {
236 if ($previousauthor == $item["author-link"]) {
241 $previousauthor = $item["author-link"];
243 if (($numposts < $maxpostperauthor) && (count($selected_items) < self::$itemsPerPage)) {
244 $selected_items[] = $item;
248 // If we're looking at a "previous page", the lookup continues forward in time because the list is
249 // sorted in chronologically decreasing order
250 if (isset(self::$since_id)) {
251 self::$since_id = $items[0]['commented'];
253 // In any other case, the lookup continues backwards in time
254 self::$max_id = $items[count($items) - 1]['commented'];
257 $items = self::selectItems(self::$since_id, self::$max_id, self::$itemsPerPage);
260 $selected_items = $items;
263 return $selected_items;
267 * Database query for the comunity page
275 private static function selectItems($since_id, $max_id, $itemspage)
279 if (self::$content == 'local') {
282 $sql_accounttype = '';
283 $sql_boundaries = '';
284 if (!is_null(self::$accounttype)) {
285 $sql_accounttype = " AND `user`.`account-type` = ?";
286 $values[] = [self::$accounttype];
289 if (isset($since_id)) {
290 $sql_boundaries .= " AND `thread`.`commented` > ?";
291 $values[] = $since_id;
294 if (isset($max_id)) {
295 $sql_boundaries .= " AND `thread`.`commented` < ?";
299 $values[] = $itemspage;
301 /// @todo Use "unsearchable" here as well (instead of "hidewall")
302 $r = DBA::p("SELECT `item`.`uri`, `author`.`url` AS `author-link`, `thread`.`commented` FROM `thread`
303 STRAIGHT_JOIN `user` ON `user`.`uid` = `thread`.`uid` AND NOT `user`.`hidewall`
304 STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid`
305 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id`=`item`.`author-id`
306 WHERE `thread`.`visible` AND NOT `thread`.`deleted` AND NOT `thread`.`moderated`
307 AND NOT `thread`.`private` AND `thread`.`wall` AND `thread`.`origin`
310 ORDER BY `thread`.`commented` DESC
312 } elseif (self::$content == 'global') {
313 if (!is_null(self::$accounttype)) {
314 $condition = ["`uid` = ? AND NOT `author`.`unsearchable` AND NOT `owner`.`unsearchable` AND `owner`.`contact-type` = ?", 0, self::$accounttype];
316 $condition = ["`uid` = ? AND NOT `author`.`unsearchable` AND NOT `owner`.`unsearchable`", 0];
319 if (isset($max_id)) {
320 $condition[0] .= " AND `commented` < ?";
321 $condition[] = $max_id;
324 if (isset($since_id)) {
325 $condition[0] .= " AND `commented` > ?";
326 $condition[] = $since_id;
329 $r = Item::selectThreadForUser(0, ['uri', 'commented'], $condition, ['order' => ['commented' => true], 'limit' => $itemspage]);
332 return DBA::toArray($r);