throw new HTTPException\BadRequestException($this->l10n->t('Channel not available.'));
}
- if (!empty($request['item'])) {
- $item = Post::selectFirst(['parent-uri-id'], ['id' => $request['item']]);
- self::$item_id = $item['parent-uri-id'] ?? 0;
- } else {
- self::$item_id = 0;
- }
-
- self::$min_id = $request['min_id'] ?? null;
- self::$max_id = $request['last_created'] ?? $request['max_id'] ?? null;
- }
-
- /**
- * 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 function getItems(array $request)
- {
- if (self::$content == ChannelEntity::WHATSHOT) {
- if (!is_null(self::$accountType)) {
- $condition = ["(`comments` >= ? OR `activities` >= ?) AND `contact-type` = ?", $this->getMedianComments(4), $this->getMedianActivities(4), self::$accountType];
- } else {
- $condition = ["(`comments` >= ? OR `activities` >= ?) AND `contact-type` != ?", $this->getMedianComments(4), $this->getMedianActivities(4), Contact::TYPE_COMMUNITY];
- }
- } elseif (self::$content == ChannelEntity::FORYOU) {
- $cid = Contact::getPublicIdByUserId($this->session->getLocalUserId());
-
- $condition = [
- "(`owner-id` IN (SELECT `cid` FROM `contact-relation` WHERE `relation-cid` = ? AND `relation-thread-score` > ?) OR
- ((`comments` >= ? OR `activities` >= ?) AND `owner-id` IN (SELECT `cid` FROM `contact-relation` WHERE `follows` AND `relation-cid` = ?)) OR
- (`owner-id` IN (SELECT `pid` FROM `account-user-view` WHERE `uid` = ? AND `rel` IN (?, ?) AND `notify_new_posts`)))",
- $cid, $this->getMedianRelationThreadScore($cid, 4), $this->getMedianComments(4), $this->getMedianActivities(4), $cid,
- $this->session->getLocalUserId(), Contact::FRIEND, Contact::SHARING
- ];
- } elseif (self::$content == self::FOLLOWERS) {
- $condition = ["`owner-id` IN (SELECT `pid` FROM `account-user-view` WHERE `uid` = ? AND `rel` = ?)", $this->session->getLocalUserId(), Contact::FOLLOWER];
- } elseif (self::$content == self::SHARERSOFSHARERS) {
- $cid = Contact::getPublicIdByUserId($this->session->getLocalUserId());
-
- // @todo Suggest posts from contacts that are followed most by our followers
- $condition = [
- "`owner-id` IN (SELECT `cid` FROM `contact-relation` WHERE `follows` AND `last-interaction` > ?
- AND `relation-cid` IN (SELECT `cid` FROM `contact-relation` WHERE `follows` AND `relation-cid` = ? AND `relation-thread-score` >= ?)
- AND NOT `cid` IN (SELECT `cid` FROM `contact-relation` WHERE `follows` AND `relation-cid` = ?))",
- DateTimeFormat::utc('now - ' . $this->config->get('channel', 'sharer_interaction_days') .' day'), $cid, $this->getMedianRelationThreadScore($cid, 4), $cid
- ];
- } elseif (self::$content == self::IMAGE) {
- $condition = ["`media-type` & ?", 1];
- } elseif (self::$content == ChannelEntity::VIDEO) {
- $condition = ["`media-type` & ?", 2];
- } elseif (self::$content == ChannelEntity::AUDIO) {
- $condition = ["`media-type` & ?", 4];
- } elseif (self::$content == ChannelEntity::LANGUAGE) {
- $condition = ["JSON_EXTRACT(JSON_KEYS(language), '$[0]') = ?", $this->l10n->convertCodeForLanguageDetection(User::getLanguageCode($this->session->getLocalUserId()))];
- }
-
- if (self::$content != ChannelEntity::LANGUAGE) {
- $condition = $this->addLanguageCondition($condition);
- }
-
- $condition[0] .= " AND NOT EXISTS(SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` = `post-engagement`.`owner-id` AND (`ignored` OR `blocked` OR `collapsed`))";
- $condition[] = $this->session->getLocalUserId();
-
- if ((self::$content != ChannelEntity::WHATSHOT) && !is_null(self::$accountType)) {
- $condition[0] .= " AND `contact-type` = ?";
- $condition[] = self::$accountType;
- }
-
- $params = ['order' => ['created' => true], 'limit' => self::$itemsPerPage];
-
- if (!empty(self::$item_id)) {
- $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[] = $this->session->getLocalUserId();
- }
-
- if (isset(self::$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 = $this->database->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);
- }
-
- Item::update(['unseen' => false], ['unseen' => true, 'uid' => $this->session->getLocalUserId(), 'uri-id' => array_column($items, 'uri-id')]);
-
- return $items;
- }
-
- private function addLanguageCondition(array $condition): array
- {
- $conditions = [];
- $languages = $this->pConfig->get($this->session->getLocalUserId(), 'channel', 'languages', [User::getLanguageCode($this->session->getLocalUserId())]);
- $languages = $this->l10n->convertForLanguageDetection($languages);
- foreach ($languages as $language) {
- $conditions[] = "JSON_EXTRACT(JSON_KEYS(language), '$[0]') = ?";
- $condition[] = $language;
- }
- if (!empty($conditions)) {
- $condition[0] .= " AND (`language` IS NULL OR " . implode(' OR ', $conditions) . ")";
- }
- return $condition;
- }
-
- private function getMedianComments(int $divider): int
- {
- $languages = $this->pConfig->get($this->session->getLocalUserId(), 'channel', 'languages', [User::getLanguageCode($this->session->getLocalUserId())]);
- $cache_key = 'Channel:getMedianComments:' . $divider . ':' . implode(':', $languages);
- $comments = $this->cache->get($cache_key);
- if (!empty($comments)) {
- return $comments;
- }
-
- $condition = ["`contact-type` != ? AND `comments` > ?", Contact::TYPE_COMMUNITY, 0];
- $condition = $this->addLanguageCondition($condition);
-
- $limit = $this->database->count('post-engagement', $condition) / $divider;
- $post = $this->database->selectToArray('post-engagement', ['comments'], $condition, ['order' => ['comments' => true], 'limit' => [$limit, 1]]);
- $comments = $post[0]['comments'] ?? 0;
- if (empty($comments)) {
- return 0;
- }
-
- $this->cache->set($cache_key, $comments, Duration::HALF_HOUR);
- $this->logger->debug('Calculated median comments', ['divider' => $divider, 'languages' => $languages, 'median' => $comments]);
- return $comments;
- }
-
- private function getMedianActivities(int $divider): int
- {
- $languages = $this->pConfig->get($this->session->getLocalUserId(), 'channel', 'languages', [User::getLanguageCode($this->session->getLocalUserId())]);
- $cache_key = 'Channel:getMedianActivities:' . $divider . ':' . implode(':', $languages);
- $activities = $this->cache->get($cache_key);
- if (!empty($activities)) {
- return $activities;
- }
-
- $condition = ["`contact-type` != ? AND `activities` > ?", Contact::TYPE_COMMUNITY, 0];
- $condition = $this->addLanguageCondition($condition);
-
- $limit = $this->database->count('post-engagement', $condition) / $divider;
- $post = $this->database->selectToArray('post-engagement', ['activities'], $condition, ['order' => ['activities' => true], 'limit' => [$limit, 1]]);
- $activities = $post[0]['activities'] ?? 0;
- if (empty($activities)) {
- return 0;
- }
-
- $this->cache->set($cache_key, $activities, Duration::HALF_HOUR);
- $this->logger->debug('Calculated median activities', ['divider' => $divider, 'languages' => $languages, 'median' => $activities]);
- return $activities;
- }
-
- private function getMedianRelationThreadScore(int $cid, int $divider): int
- {
- $cache_key = 'Channel:getThreadScore:' . $cid . ':' . $divider;
- $score = $this->cache->get($cache_key);
- if (!empty($score)) {
- return $score;
- }
-
- $condition = ["`relation-cid` = ? AND `relation-thread-score` > ?", $cid, 0];
-
- $limit = $this->database->count('contact-relation', $condition) / $divider;
- $relation = $this->database->selectToArray('contact-relation', ['relation-thread-score'], $condition, ['order' => ['relation-thread-score' => true], 'limit' => [$limit, 1]]);
- $score = $relation[0]['relation-thread-score'] ?? 0;
- if (empty($score)) {
- return 0;
- }
-
- $this->cache->set($cache_key, $score, Duration::HALF_HOUR);
- $this->logger->debug('Calculated median score', ['cid' => $cid, 'divider' => $divider, 'median' => $score]);
- return $score;
+ $this->maxId = $request['last_created'] ?? $this->maxId;
+ $this->minId = $request['first_created'] ?? $this->minId;
}
}