Channels are a new way to see different content

database.sql

@@ -1,6 +1,6 @@
 -- ------------------------------------------
 -- Friendica 2023.09-dev (Giant Rhubarb)
--- DB_UPDATE_VERSION 1530
+-- DB_UPDATE_VERSION 1531
 -- ------------------------------------------
 
 
@@ -1300,6 +1300,23 @@ CREATE TABLE IF NOT EXISTS `post-delivery-data` (
 	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE
 ) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Delivery data for items';
 
+--
+-- TABLE post-engagement
+--
+CREATE TABLE IF NOT EXISTS `post-engagement` (
+	`uri-id` int unsigned NOT NULL COMMENT 'Id of the item-uri table entry that contains the item uri',
+	`author-id` int unsigned NOT NULL DEFAULT 0 COMMENT 'Link to the contact table with uid=0 of the author of this item',
+	`contact-type` tinyint NOT NULL DEFAULT 0 COMMENT 'Person, organisation, news, community, relay',
+	`created` datetime COMMENT '',
+	`comments` mediumint unsigned COMMENT 'Number of comments',
+	`activities` mediumint unsigned COMMENT 'Number of activities (like, dislike, ...)',
+	 PRIMARY KEY(`uri-id`),
+	 INDEX `author-id` (`author-id`),
+	 INDEX `created` (`created`),
+	FOREIGN KEY (`uri-id`) REFERENCES `item-uri` (`id`) ON UPDATE RESTRICT ON DELETE CASCADE,
+	FOREIGN KEY (`author-id`) REFERENCES `contact` (`id`) ON UPDATE RESTRICT ON DELETE RESTRICT
+) DEFAULT COLLATE utf8mb4_general_ci COMMENT='Engagement data per post';
+
 --
 -- TABLE post-history
 --

doc/Accesskeys.md

@@ -16,6 +16,7 @@ General
 -------
 * p - Profile
 * n - Network
+* l - Channel
 * c - Community
 * s - Search
 * a - Admin
@@ -28,6 +29,12 @@ General
 * l - Local community
 * g - Global community
 
+../channel
+--------
+* h - what's hot
+* y - for you
+* f - followers
+
 ../profile
 --------
 * m - Status Messages and Posts

doc/database.md

@@ -61,6 +61,7 @@ Database Tables
 | [post-content](help/database/db_post-content) | Content for all posts |
 | [post-delivery](help/database/db_post-delivery) | Delivery data for posts for the batch processing |
 | [post-delivery-data](help/database/db_post-delivery-data) | Delivery data for items |
+| [post-engagement](help/database/db_post-engagement) | Engagement data per post |
 | [post-history](help/database/db_post-history) | Post history |
 | [post-link](help/database/db_post-link) | Post related external links |
 | [post-media](help/database/db_post-media) | Attached media |

doc/database/db_post-engagement.md

@@ -0,0 +1,35 @@
+Table post-engagement
+===========
+
+Engagement data per post
+
+Fields
+------
+
+| Field        | Description                                                     | Type               | Null | Key | Default | Extra |
+| ------------ | --------------------------------------------------------------- | ------------------ | ---- | --- | ------- | ----- |
+| uri-id       | Id of the item-uri table entry that contains the item uri       | int unsigned       | NO   | PRI | NULL    |       |
+| author-id    | Link to the contact table with uid=0 of the author of this item | int unsigned       | NO   |     | 0       |       |
+| contact-type | Person, organisation, news, community, relay                    | tinyint            | NO   |     | 0       |       |
+| created      |                                                                 | datetime           | YES  |     | NULL    |       |
+| comments     | Number of comments                                              | mediumint unsigned | YES  |     | NULL    |       |
+| activities   | Number of activities (like, dislike, ...)                       | mediumint unsigned | YES  |     | NULL    |       |
+
+Indexes
+------------
+
+| Name      | Fields    |
+| --------- | --------- |
+| PRIMARY   | uri-id    |
+| author-id | author-id |
+| created   | created   |
+
+Foreign Keys
+------------
+
+| Field | Target Table | Target Field |
+|-------|--------------|--------------|
+| uri-id | [item-uri](help/database/db_item-uri) | id |
+| author-id | [contact](help/database/db_contact) | id |
+
+Return to [database documentation](help/database)

doc/database/db_user-gserver.md

@@ -8,8 +8,8 @@ Fields
 
 | Field   | Description                              | Type               | Null | Key | Default | Extra |
 | ------- | ---------------------------------------- | ------------------ | ---- | --- | ------- | ----- |
-| uid     | Owner User id                            | mediumint unsigned | NO   |     | 0       |       |
+| uid     | Owner User id                            | mediumint unsigned | NO   | PRI | 0       |       |
-| gsid    | Gserver id                               | int unsigned       | NO   |     | 0       |       |
+| gsid    | Gserver id                               | int unsigned       | NO   | PRI | 0       |       |
 | ignored | server accounts are ignored for the user | boolean            | NO   |     | 0       |       |
 
 Indexes

src/Content/Conversation.php

@@ -57,6 +57,7 @@ use Psr\Log\LoggerInterface;
 
 class Conversation
 {
+	const MODE_CHANNEL       = 'channel';
 	const MODE_COMMUNITY     = 'community';
 	const MODE_CONTACTS      = 'contacts';
 	const MODE_CONTACT_POSTS = 'contact-posts';
@@ -530,6 +531,17 @@ class Conversation
 					. "<script> var profile_uid = " . ($this->session->getLocalUserId() ?: 0) . ";"
 					. "</script>";
 			}
+		} elseif ($mode === self::MODE_CHANNEL) {
+			$items = $this->addChildren($items, true, $order, $uid, $mode, $ignoredGsids);
+
+			if (!$update) {
+				$live_update_div = '<div id="live-channel"></div>' . "\r\n"
+					. "<script> var profile_uid = -1; var netargs = '" . substr($this->args->getCommand(), 10)
+					. '?f='
+					. (!empty($_GET['no_sharer']) ? '&no_sharer=' . rawurlencode($_GET['no_sharer']) : '')
+					. (!empty($_GET['accounttype']) ? '&accounttype=' . rawurlencode($_GET['accounttype']) : '')
+					. "'; </script>\r\n";
+			}
 		} elseif ($mode === self::MODE_COMMUNITY) {
 			$items = $this->addChildren($items, true, $order, $uid, $mode, $ignoredGsids);
 
@@ -621,7 +633,7 @@ class Conversation
 				unset($conv_responses['dislike']);
 			}
 
-			if (in_array($mode, [self::MODE_COMMUNITY, self::MODE_CONTACTS, self::MODE_PROFILE])) {
+			if (in_array($mode, [self::MODE_CHANNEL, self::MODE_COMMUNITY, self::MODE_CONTACTS, self::MODE_PROFILE])) {
 				$writable = true;
 			} else {
 				$writable = $items[0]['writable'] || ($items[0]['uid'] == 0) && in_array($items[0]['network'], Protocol::FEDERATED);
@@ -1009,7 +1021,7 @@ class Conversation
 			$items[$key]['user-collapsed-owner']  = !$always_display && in_array($row['owner-id'], $collapses);
 
 			if (
-				in_array($mode, [self::MODE_COMMUNITY, self::MODE_NETWORK]) &&
+				in_array($mode, [self::MODE_CHANNEL, self::MODE_COMMUNITY, self::MODE_NETWORK]) &&
 				(in_array($row['author-id'], $blocks) || in_array($row['owner-id'], $blocks) || in_array($row['author-id'], $ignores) || in_array($row['owner-id'], $ignores))
 			) {
 				unset($items[$key]);

src/Content/Nav.php

@@ -42,6 +42,7 @@ class Nav
 	private static $selected = [
 		'global'    => null,
 		'community' => null,
+		'channel'   => null,
 		'network'   => null,
 		'home'      => null,
 		'profiles'  => null,
@@ -199,6 +200,7 @@ class Nav
 			'moderation'    => null,
 			'apps'          => null,
 			'community'     => null,
+			'channel'       => null,
 			'home'          => null,
 			'calendar'      => null,
 			'login'         => null,
@@ -287,6 +289,8 @@ class Nav
 			$nav['community'] = ['community', $this->l10n->t('Community'), '', $this->l10n->t('Conversations on this and other servers')];
 		}
 
+		$nav['channel'] = ['channel', $this->l10n->t('Channel'), '', $this->l10n->t('Current posts, filtered by several rules')];
+
 		if ($this->session->getLocalUserId()) {
 			$nav['calendar'] = ['calendar', $this->l10n->t('Calendar'), '', $this->l10n->t('Calendar')];
 		}

src/Model/Item.php

@@ -1405,6 +1405,8 @@ class Item
 			self::updateDisplayCache($posted_item['uri-id']);
 		}
 
+		Post\Engagement::storeFromItem($posted_item);
+
 		return $post_user_id;
 	}
 

src/Model/Post/Engagement.php

@@ -0,0 +1,98 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2023, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Model\Post;
+
+use Friendica\Core\Logger;
+use Friendica\Core\Protocol;
+use Friendica\Database\Database;
+use Friendica\Database\DBA;
+use Friendica\Model\Contact;
+use Friendica\Model\Item;
+use Friendica\Model\Post;
+use Friendica\Model\Verb;
+use Friendica\Protocol\Activity;
+use Friendica\Util\DateTimeFormat;
+
+// Channel
+
+class Engagement
+{
+	public static function storeFromItem(array $item)
+	{
+		if (!in_array($item['network'], Protocol::FEDERATED)) {
+			Logger::debug('No federated network', ['uri-id' => $item['uri-id'], 'parent-uri-id' => $item['parent-uri-id'], 'network' => $item['network']]);
+			return;
+		}
+
+		if ($item['gravity'] == Item::GRAVITY_PARENT) {
+			Logger::debug('Parent posts are not stored', ['uri-id' => $item['uri-id'], 'parent-uri-id' => $item['parent-uri-id']]);
+			return;
+		}
+
+		if (($item['uid'] != 0) && ($item['gravity'] == Item::GRAVITY_COMMENT)) {
+			Logger::debug('Non public comments are not stored', ['uri-id' => $item['uri-id'], 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
+			return;
+		}
+
+		if (in_array($item['verb'], [Activity::FOLLOW, Activity::VIEW, Activity::READ])) {
+			Logger::debug('Technical activities are not stored', ['uri-id' => $item['uri-id'], 'parent-uri-id' => $item['parent-uri-id'], 'verb' => $item['verb']]);
+			return;
+		}
+
+		$parent = Post::selectFirst(['created', 'author-id', 'uid', 'private', 'contact-contact-type'], ['uri-id' => $item['parent-uri-id']]);
+		if ($parent['private'] != Item::PUBLIC) {
+			Logger::debug('Non public posts are not stored', ['uri-id' => $item['uri-id'], 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $parent['uid'], 'private' => $parent['private']]);
+			return;
+		}
+
+		if ($parent['contact-contact-type'] == Contact::TYPE_COMMUNITY) {
+			Logger::debug('Group posts are not stored', ['uri-id' => $item['uri-id'], 'parent-uri-id' => $item['parent-uri-id'], 'author-id' => $parent['author-id']]);
+			return;
+		}
+
+		if ($parent['created'] < DateTimeFormat::utc('now - 1 day')) {
+			Logger::debug('Post is too old', ['uri-id' => $item['uri-id'], 'parent-uri-id' => $item['parent-uri-id'], 'created' => $parent['created']]);
+			return;
+		}
+
+		$engagement = [
+			'uri-id'       => $item['parent-uri-id'],
+			'author-id'    => $parent['author-id'],
+			'contact-type' => $parent['contact-contact-type'],
+			'created'      => $parent['created'],
+			'comments'     => DBA::count('post', ['parent-uri-id' => $item['parent-uri-id'], 'gravity' => Item::GRAVITY_COMMENT]),
+			'activities'   => DBA::count('post', [
+				"`parent-uri-id` = ? AND `gravity` = ? AND NOT `vid` IN (?, ?, ?)",
+				$item['parent-uri-id'], Item::GRAVITY_ACTIVITY,
+				Verb::getID(Activity::FOLLOW), Verb::getID(Activity::VIEW), Verb::getID(Activity::READ)
+			])
+		];
+		$ret = DBA::insert('post-engagement', $engagement, Database::INSERT_UPDATE);
+		Logger::debug('Engagement stored', ['fields' => $engagement, 'ret' => $ret]);
+	}
+
+	public static function expire()
+	{
+		DBA::delete('post-engagement', ["`created` < ?", DateTimeFormat::utc('now - 1 day')]);
+		Logger::notice('Cleared expired engagements', ['rows' => DBA::affectedRows()]);
+	}
+}

src/Module/Conversation/Channel.php

@@ -0,0 +1,305 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2023, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * See update_profile.php for documentation
+ */
+
+namespace Friendica\Module\Conversation;
+
+use Friendica\BaseModule;
+use Friendica\Content\BoundariesPager;
+use Friendica\Content\Conversation;
+use Friendica\Content\Feature;
+use Friendica\Content\Nav;
+use Friendica\Content\Text\HTML;
+use Friendica\Content\Widget;
+use Friendica\Content\Widget\TrendingTags;
+use Friendica\Core\Logger;
+use Friendica\Core\Renderer;
+use Friendica\Database\DBA;
+use Friendica\DI;
+use Friendica\Model\Contact;
+use Friendica\Model\Post;
+use Friendica\Model\User;
+use Friendica\Module\Security\Login;
+use Friendica\Network\HTTPException;
+
+class Channel extends BaseModule
+{
+	const WHATSHOT  = 'whatshot';
+	const FORYOU    = 'foryou';
+	const FOLLOWERS = 'followers';
+	/**
+	 * @}
+	 */
+
+	protected static $content;
+	protected static $accountTypeString;
+	protected static $accountType;
+	protected static $itemsPerPage;
+	protected static $min_id;
+	protected static $max_id;
+	protected static $item_id;
+
+	protected function content(array $request = []): string
+	{
+		if (!DI::userSession()->getLocalUserId()) {
+			return Login::form();
+		}
+
+		$this->parseRequest();
+
+		$t = Renderer::getMarkupTemplate("community.tpl");
+		$o = Renderer::replaceMacros($t, [
+			'$content' => '',
+			'$header' => '',
+		]);
+
+		if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
+			$tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl');
+			$o .= Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]);
+		}
+
+		if (empty($_GET['mode']) || ($_GET['mode'] != 'raw')) {
+			$tabs = [];
+
+			$tabs[] = [
+				'label' => DI::l10n()->t('Whats Hot'),
+				'url' => 'channel/' . self::WHATSHOT,
+				'sel' => self::$content == self::WHATSHOT ? 'active' : '',
+				'title' => DI::l10n()->t('Posts with a lot of interactions'),
+				'id' => 'channel-whatshot-tab',
+				'accesskey' => 'h'
+			];
+
+			$tabs[] = [
+				'label' => DI::l10n()->t('For you'),
+				'url' => 'channel/' . self::FORYOU,
+				'sel' => self::$content == self::FORYOU ? 'active' : '',
+				'title' => DI::l10n()->t('Posts from contacts you interact with and who interact with you'),
+				'id' => 'channel-foryou-tab',
+				'accesskey' => 'y'
+			];
+
+			$tabs[] = [
+				'label' => DI::l10n()->t('Followers'),
+				'url' => 'channel/' . self::FOLLOWERS,
+				'sel' => self::$content == self::FOLLOWERS ? 'active' : '',
+				'title' => DI::l10n()->t('Posts from your followers that you don\'t follow'),
+				'id' => 'channel-followers-tab',
+				'accesskey' => 'f'
+			];
+
+			$tab_tpl = Renderer::getMarkupTemplate('common_tabs.tpl');
+			$o .= Renderer::replaceMacros($tab_tpl, ['$tabs' => $tabs]);
+
+			Nav::setSelected('channel');
+
+			DI::page()['aside'] .= Widget::accountTypes('channel/' . self::$content, self::$accountTypeString);
+
+			if ((self::$content != self::FOLLOWERS) && DI::config()->get('system', 'community_no_sharer')) {
+				$path = self::$content;
+				if (!empty($this->parameters['accounttype'])) {
+					$path .= '/' . $this->parameters['accounttype'];
+				}
+				$query_parameters = [];
+
+				if (!empty($_GET['min_id'])) {
+					$query_parameters['min_id'] = $_GET['min_id'];
+				}
+				if (!empty($_GET['max_id'])) {
+					$query_parameters['max_id'] = $_GET['max_id'];
+				}
+				if (!empty($_GET['last_created'])) {
+					$query_parameters['max_id'] = $_GET['last_created'];
+				}
+
+				$path_all = $path . (!empty($query_parameters) ? '?' . http_build_query($query_parameters) : '');
+				$path_no_sharer = $path . '?' . http_build_query(array_merge($query_parameters, ['no_sharer' => true]));
+				DI::page()['aside'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('widget/community_sharer.tpl'), [
+					'$title'           => DI::l10n()->t('Own Contacts'),
+					'$path_all'        => $path_all,
+					'$path_no_sharer'  => $path_no_sharer,
+					'$no_sharer'       => !empty($_REQUEST['no_sharer']),
+					'$all'             => DI::l10n()->t('Include'),
+					'$no_sharer_label' => DI::l10n()->t('Hide'),
+					'$base'            => 'channel',
+				]);
+			}
+
+			if (Feature::isEnabled(DI::userSession()->getLocalUserId(), 'trending_tags')) {
+				DI::page()['aside'] .= TrendingTags::getHTML(self::$content);
+			}
+
+			// We need the editor here to be able to reshare an item.
+			$o .= DI::conversation()->statusEditor([], 0, true);
+		}
+
+		$items = self::getItems();
+
+		if (!DBA::isResult($items)) {
+			DI::sysmsg()->addNotice(DI::l10n()->t('No results.'));
+			return $o;
+		}
+
+		$o .= DI::conversation()->render($items, Conversation::MODE_CHANNEL, false, false, 'created', DI::userSession()->getLocalUserId());
+
+		$pager = new BoundariesPager(
+			DI::l10n(),
+			DI::args()->getQueryString(),
+			$items[0]['created'],
+			$items[count($items) - 1]['created'],
+			self::$itemsPerPage
+		);
+
+		if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
+			$o .= HTML::scrollLoader();
+		} else {
+			$o .= $pager->renderMinimal(count($items));
+		}
+
+		return $o;
+	}
+
+	/**
+	 * Computes module parameters from the request and local configuration
+	 *
+	 * @throws HTTPException\BadRequestException
+	 * @throws HTTPException\ForbiddenException
+	 */
+	protected function parseRequest()
+	{
+		self::$accountTypeString = $_GET['accounttype'] ?? $this->parameters['accounttype'] ?? '';
+		self::$accountType = User::getAccountTypeByString(self::$accountTypeString);
+
+		self::$content = $this->parameters['content'] ?? '';
+		if (!self::$content) {
+			self::$content = self::WHATSHOT;
+		}
+
+		if (!in_array(self::$content, [self::WHATSHOT, self::FORYOU, self::FOLLOWERS])) {
+			throw new HTTPException\BadRequestException(DI::l10n()->t('Channel not available.'));
+		}
+
+		if (DI::mode()->isMobile()) {
+			self::$itemsPerPage = DI::pConfig()->get(
+				DI::userSession()->getLocalUserId(),
+				'system',
+				'itemspage_mobile_network',
+				DI::config()->get('system', 'itemspage_network_mobile')
+			);
+		} else {
+			self::$itemsPerPage = DI::pConfig()->get(
+				DI::userSession()->getLocalUserId(),
+				'system',
+				'itemspage_network',
+				DI::config()->get('system', 'itemspage_network')
+			);
+		}
+
+		if (!empty($_GET['item'])) {
+			$item = Post::selectFirst(['parent-uri-id'], ['id' => $_GET['item']]);
+			self::$item_id = $item['parent-uri-id'] ?? 0;
+		} else {
+			self::$item_id = 0;
+		}
+
+		Logger::debug('Blubb', ['get' => $_GET]);
+		self::$min_id = $_GET['min_id'] ?? null;
+		self::$max_id = $_GET['max_id'] ?? null;
+		self::$max_id = $_GET['last_created'] ?? self::$max_id;
+	}
+
+	/**
+	 * Computes the displayed items.
+	 *
+	 * Community pages have a restriction on how many successive posts by the same author can show on any given page,
+	 * so we may have to retrieve more content beyond the first query
+	 *
+	 * @return array
+	 * @throws \Exception
+	 */
+	protected static function getItems()
+	{
+		$post = DBA::selectToArray('post-engagement', ['comments'], [], ['order' => ['comments' => true], 'limit' => [100, 1]]);
+
+		if (self::$content == self::WHATSHOT) {
+			$comments = $post[0]['comments'] ?? 0;
+			if (!is_null(self::$accountType)) {
+				$condition = ["`comments` >= ? AND `contact-type` = ?", $comments, self::$accountType];
+			} else {
+				$condition = ["`comments` >= ?", $comments];
+			}
+		} elseif (self::$content == self::FORYOU) {
+			$cid = Contact::getPublicIdByUserId(DI::userSession()->getLocalUserId());
+			if (!is_null(self::$accountType)) {
+				$condition = ["`author-id` IN (SELECT `relation-cid` FROM `contact-relation` WHERE `cid` = ? AND `thread-score` > ? AND `relation-thread-score` > ?) AND `contact-type` = ?", $cid, 0, 0, self::$accountType];
+			} else {
+				$condition = ["`author-id` IN (SELECT `relation-cid` FROM `contact-relation` WHERE `cid` = ? AND `thread-score` > ? AND `relation-thread-score` > ?)", $cid, 0, 0];
+			}
+		} elseif (self::$content == self::FOLLOWERS) {
+			if (!is_null(self::$accountType)) {
+				$condition = ["`author-id` IN (SELECT `pid` FROM `account-user-view` WHERE uid` = ? AND `rel` = ?) AND `contact-type` = ?", DI::userSession()->getLocalUserId(), Contact::FOLLOWER, self::$accountType];
+			} else {
+				$condition = ["`author-id` IN (SELECT `pid` FROM `account-user-view` WHERE `uid` = ? AND `rel` = ?)", DI::userSession()->getLocalUserId(), Contact::FOLLOWER];
+			}
+		}
+
+		$params = ['order' => ['created' => true], 'limit' => self::$itemsPerPage];
+
+		if (!empty(self::$item_id)) {
+			// @todo
+			$condition[0] .= " AND `uri-id` = ?";
+			$condition[] = self::$item_id;
+		} else {
+			if (!empty($_REQUEST['no_sharer'])) {
+				$condition[0] .= " AND NOT `uri-id` IN (SELECT `uri-id` FROM `post-user` WHERE `post-user`.`uid` = ? AND `post-user`.`uri-id` = `post-engagement`.`uri-id`)";
+				$condition[] = DI::userSession()->getLocalUserId();
+			}
+
+			if (isset(self::$max_id)) {
+				$condition[0] .= " AND `created` < ?";
+				$condition[] = self::$max_id;
+			}
+
+			if (isset(self::$min_id)) {
+				$condition[0] .= " AND `created` > ?";
+				$condition[] = self::$min_id;
+
+				// Previous page case: we want the items closest to min_id but for that we need to reverse the query order
+				if (!isset(self::$max_id)) {
+					$params['order']['created'] = false;
+				}
+			}
+		}
+
+		$items = DBA::selectToArray('post-engagement', ['uri-id', 'created'], $condition, $params);
+
+		if (empty($items)) {
+			return [];
+		}
+
+		// Previous page case: once we get the relevant items closest to min_id, we need to restore the expected display order
+		if (empty(self::$item_id) && isset(self::$min_id) && !isset(self::$max_id)) {
+			$items = array_reverse($items);
+		}
+
+		return $items;
+	}
+}

src/Module/Conversation/Community.php

@@ -137,6 +137,7 @@ class Community extends BaseModule
 					'$no_sharer'       => !empty($_REQUEST['no_sharer']),
 					'$all'             => DI::l10n()->t('Include'),
 					'$no_sharer_label' => DI::l10n()->t('Hide'),
+					'$base'            => 'community',
 				]);
 			}
 
@@ -245,8 +246,8 @@ class Community extends BaseModule
 		}
 
 		self::$min_id = $_GET['min_id'] ?? null;
-		self::$max_id   = $_GET['max_id']   ?? null;
+		self::$max_id = $_GET['max_id'] ?? null;
-		self::$max_id   = $_GET['last_commented'] ?? self::$max_id;
+		self::$max_id = $_GET['last_commented'] ?? self::$max_id;
 	}
 
 	/**

src/Module/Update/Channel.php

@@ -0,0 +1,48 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2023, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ * See update_profile.php for documentation
+ */
+
+namespace Friendica\Module\Update;
+
+use Friendica\Content\Conversation;
+use Friendica\Core\System;
+use Friendica\DI;
+use Friendica\Module\Conversation\Channel as ChannelModule;
+
+/**
+ * Asynchronous update module for the Channel page
+ *
+ * @package Friendica\Module\Update
+ */
+class Channel extends ChannelModule
+{
+	protected function rawContent(array $request = [])
+	{
+		$this->parseRequest();
+
+		$o = '';
+		if (!empty($request['force'])) {
+			$o = DI::conversation()->render(self::getItems(), Conversation::MODE_CHANNEL, true, false, 'created', DI::userSession()->getLocalUserId());
+		}
+
+		System::htmlUpdateExit($o);
+	}
+}

src/Object/Thread.php

@@ -21,6 +21,7 @@
 
 namespace Friendica\Object;
 
+use Friendica\Content\Conversation;
 use Friendica\Core\Logger;
 use Friendica\Core\Protocol;
 use Friendica\DI;
@@ -73,24 +74,28 @@ class Thread
 		$a = DI::app();
 
 		switch ($mode) {
-			case 'network':
+			case Conversation::MODE_NETWORK:
-			case 'notes':
+			case Conversation::MODE_NOTES:
 				$this->profile_owner = DI::userSession()->getLocalUserId();
 				$this->writable = true;
 				break;
-			case 'profile':
+			case Conversation::MODE_PROFILE:
 				$this->profile_owner = $a->getProfileOwner();
 				$this->writable = Security::canWriteToUserWall($this->profile_owner) || $writable;
 				break;
-			case 'display':
+			case Conversation::MODE_DISPLAY:
 				$this->profile_owner = $a->getProfileOwner();
 				$this->writable = Security::canWriteToUserWall($this->profile_owner) || $writable;
 				break;
-			case 'community':
+			case Conversation::MODE_CHANNEL:
 				$this->profile_owner = 0;
 				$this->writable = $writable;
 				break;
-			case 'contacts':
+			case Conversation::MODE_COMMUNITY:
+				$this->profile_owner = 0;
+				$this->writable = $writable;
+				break;
+			case Conversation::MODE_CONTACTS:
 				$this->profile_owner = 0;
 				$this->writable = $writable;
 				break;

src/Worker/OptimizeTables.php

@@ -45,6 +45,7 @@ class OptimizeTables
 		DBA::optimizeTable('oembed');
 		DBA::optimizeTable('parsed_url');
 		DBA::optimizeTable('session');
+		DBA::optimizeTable('post-engagement');
 
 		if (DI::config()->get('system', 'optimize_all_tables')) {
 			DBA::optimizeTable('apcontact');

src/Worker/UpdateScores.php

@@ -24,6 +24,7 @@ namespace Friendica\Worker;
 use Friendica\Core\Logger;
 use Friendica\Database\DBA;
 use Friendica\Model\Contact\Relation;
+use Friendica\Model\Post;
 
 /**
  * Update the interaction scores 
@@ -41,6 +42,9 @@ class UpdateScores
 		DBA::close($users);
 
 		Logger::notice('Score update done');
+
+		Post\Engagement::expire();
+
 		return;
 	}
 }

static/dbstructure.config.php

@@ -56,7 +56,7 @@ use Friendica\Database\DBA;
 
 // This file is required several times during the test in DbaDefinition which justifies this condition
 if (!defined('DB_UPDATE_VERSION')) {
-	define('DB_UPDATE_VERSION', 1530);
+	define('DB_UPDATE_VERSION', 1531);
 }
 
 return [
@@ -162,8 +162,8 @@ return [
 	"user-gserver" => [
 		"comment" => "User settings about remote servers",
 		"fields" => [
-			"uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "foreign" => ["user" => "uid"], "comment" => "Owner User id"],
+			"uid" => ["type" => "mediumint unsigned", "not null" => "1", "default" => "0", "foreign" => ["user" => "uid"], "primary" => "1", "comment" => "Owner User id"],
-			"gsid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["gserver" => "id"], "comment" => "Gserver id"],
+			"gsid" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["gserver" => "id"], "primary" => "1", "comment" => "Gserver id"],
 			"ignored" => ["type" => "boolean", "not null" => "1", "default" => "0", "comment" => "server accounts are ignored for the user"],
 		],
 		"indexes" => [
@@ -1323,6 +1323,22 @@ return [
 			"PRIMARY" => ["uri-id"],
 		]
 	],
+	"post-engagement" => [
+		"comment" => "Engagement data per post",
+		"fields" => [
+			"uri-id" => ["type" => "int unsigned", "not null" => "1", "primary" => "1",  "foreign" => ["item-uri" => "id"], "comment" => "Id of the item-uri table entry that contains the item uri"],
+			"author-id" => ["type" => "int unsigned", "not null" => "1", "default" => "0", "foreign" => ["contact" => "id", "on delete" => "restrict"], "comment" => "Link to the contact table with uid=0 of the author of this item"],
+			"contact-type" => ["type" => "tinyint", "not null" => "1", "default" => "0", "comment" => "Person, organisation, news, community, relay"],
+			"created" => ["type" => "datetime", "comment" => ""],
+			"comments" => ["type" => "mediumint unsigned", "comment" => "Number of comments"],
+			"activities" => ["type" => "mediumint unsigned", "comment" => "Number of activities (like, dislike, ...)"],
+		],
+		"indexes" => [
+			"PRIMARY" => ["uri-id"],
+			"author-id" => ["author-id"],
+			"created" => ["created"],
+		]
+	],
 	"post-history" => [
 		"comment" => "Post history",
 		"fields" => [

static/routes.config.php

@@ -391,6 +391,7 @@ return [
 		'/event/{mode:edit|copy}/{id:\d+}'              => [Module\Calendar\Event\Form::class, [R::GET         ]],
 	],
 
+	'/channel[/{content}]'   => [Module\Conversation\Channel::class,   [R::GET]],
 	'/community[/{content}]' => [Module\Conversation\Community::class, [R::GET]],
 
 	'/compose[/{type}]'    => [Module\Item\Compose::class, [R::GET, R::POST]],
@@ -686,6 +687,7 @@ return [
 	'/toggle_mobile'                 => [Module\ToggleMobile::class,          [R::GET]],
 	'/tos'                           => [Module\Tos::class,                   [R::GET]],
 
+	'/update_channel[/{content}]'    => [Module\Update\Channel::class,        [R::GET]],
 	'/update_community[/{content}]'  => [Module\Update\Community::class,      [R::GET]],
 
 	'/update_display'                => [Module\Update\Display::class, [R::GET]],

view/templates/nav.tpl

@@ -32,6 +32,9 @@
 	<a accesskey="p" id="nav-home-link" class="nav-commlink {{$nav.home.2}} {{$sel.home}}" href="{{$nav.home.0}}" title="{{$nav.home.3}}">{{$nav.home.1}}</a>
 	<span id="home-update" class="nav-ajax-left"></span>
 	{{/if}}
+	{{if $nav.channel}}
+	<a accesskey="l" id="nav-channel-link" class="nav-commlink {{$nav.channel.2}} {{$sel.channel}}" href="{{$nav.channel.0}}" title="{{$nav.channel.3}}">{{$nav.channel.1}}</a>
+	{{/if}}
 	{{if $nav.community}}
 	<a accesskey="c" id="nav-community-link" class="nav-commlink {{$nav.community.2}} {{$sel.community}}" href="{{$nav.community.0}}" title="{{$nav.community.3}}">{{$nav.community.1}}</a>
 	{{/if}}

view/templates/widget/community_sharer.tpl

@@ -6,8 +6,8 @@
 		<h3>{{$title}}</h3>
 	</span>
 	<ul class="sidebar-community-no-sharer-ul">
-		<li role="menuitem" class="sidebar-community-no-sharer-li{{if !$no_sharer}} selected{{/if}}"><a href="community/{{$path_all}}">{{$all}}</a></li>
+		<li role="menuitem" class="sidebar-community-no-sharer-li{{if !$no_sharer}} selected{{/if}}"><a href="{{$base}}/{{$path_all}}">{{$all}}</a></li>
-		<li role="menuitem" class="sidebar-community-no-sharer-li{{if $no_sharer}} selected{{/if}}"><a href="community/{{$path_no_sharer}}">{{$no_sharer_label}}</a></li>
+		<li role="menuitem" class="sidebar-community-no-sharer-li{{if $no_sharer}} selected{{/if}}"><a href="{{$base}}/{{$path_no_sharer}}">{{$no_sharer_label}}</a></li>
 	</ul>
 </div>
 <script>

view/theme/frio/templates/nav.tpl

@@ -63,6 +63,14 @@
 							</li>
 						{{/if}}
 
+						{{if $nav.channel}}
+							<li class="nav-segment">
+								<a accesskey="l" class="nav-menu {{$sel.channel}}" href="{{$nav.channel.0}}"
+									data-toggle="tooltip" aria-label="{{$nav.channel.3}}" title="{{$nav.channel.3}}"><i
+										class="fa fa-lg fa-th-list fa-fw" aria-hidden="true"></i></a>
+							</li>
+						{{/if}}
+
 						{{if $nav.community}}
 							<li class="nav-segment">
 								<a accesskey="c" class="nav-menu {{$sel.community}}" href="{{$nav.community.0}}"

view/theme/vier/templates/nav.tpl

@@ -36,6 +36,12 @@
 				<a class="{{$nav.events.2}} mobile-view" href="{{$nav.events.0}}" title="{{$nav.events.3}}"><i class="icon s22 icon-calendar"></i></a>
 			</li>
 		{{/if}}
+		{{if $nav.channel}}
+			<li role="menuitem" id="nav-channel-link" class="nav-menu {{$sel.channel}}">
+				<a accesskey="l" class="{{$nav.channel.2}} desktop-view" href="{{$nav.channel.0}}" title="{{$nav.channel.3}}">{{$nav.channel.1}}</a>
+				<a class="{{$nav.channel.2}} mobile-view" href="{{$nav.channel.0}}" title="{{$nav.channel.3}}"><i class="icon s22 icon-bullseye"></i></a>
+			</li>
+		{{/if}}
 		{{if $nav.community}}
 			<li role="menuitem" id="nav-community-link" class="nav-menu {{$sel.community}}">
 				<a accesskey="c" class="{{$nav.community.2}} desktop-view" href="{{$nav.community.0}}" title="{{$nav.community.3}}">{{$nav.community.1}}</a>