760 lines
23 KiB
PHP
760 lines
23 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2023, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Model;
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use BadMethodCallException;
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use Friendica\Core\Logger;
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use Friendica\Database\Database;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Protocol\Activity;
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class Post
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{
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/**
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* Insert a new post entry
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*
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* @param integer $uri_id
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* @param array $fields
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* @return bool Success of the insert process
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* @throws \Exception
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*/
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public static function insert(int $uri_id, array $data = []): bool
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{
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if (empty($uri_id)) {
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throw new BadMethodCallException('Empty URI_id');
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}
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$fields = DI::dbaDefinition()->truncateFieldsForTable('post', $data);
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// Additionally assign the key fields
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$fields['uri-id'] = $uri_id;
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return DBA::insert('post', $fields, Database::INSERT_IGNORE);
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}
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/**
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* Fetch a single post row
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*
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* @param mixed $stmt statement object
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* @return array|false current row or false
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* @throws \Exception
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*/
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public static function fetch($stmt)
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{
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$row = DBA::fetch($stmt);
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if (!is_array($row)) {
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return $row;
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}
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if (array_key_exists('verb', $row)) {
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if (in_array($row['verb'], Item::ACTIVITIES)) {
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if (array_key_exists('title', $row)) {
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$row['title'] = '';
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}
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if (array_key_exists('body', $row)) {
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$row['body'] = $row['verb'];
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}
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if (array_key_exists('object', $row)) {
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$row['object'] = '';
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}
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if (array_key_exists('object-type', $row)) {
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$row['object-type'] = Activity\ObjectType::NOTE;
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}
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} elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
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// Posts don't have a target - but having tags or files.
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if (array_key_exists('target', $row)) {
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$row['target'] = '';
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}
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}
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}
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if (array_key_exists('extid', $row) && is_null($row['extid'])) {
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$row['extid'] = '';
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}
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return $row;
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}
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/**
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* Fills an array with data from a post query
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*
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* @param object|bool $stmt Return value from Database->select
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* @return array Data array
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* @throws \Exception
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*/
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public static function toArray($stmt): array
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{
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if (is_bool($stmt)) {
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return [];
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}
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$data = [];
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while ($row = self::fetch($stmt)) {
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$data[] = $row;
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}
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DBA::close($stmt);
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return $data;
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}
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/**
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* Check if post-user-view records exists
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*
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* @param array $condition array of fields for condition
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*
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* @return boolean Are there rows for that condition?
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* @throws \Exception
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*/
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public static function exists(array $condition): bool
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{
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return DBA::exists('post-user-view', $condition);
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}
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/**
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* Counts the post-user-view records satisfying the provided condition
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*
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* @param array $condition array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return int
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*
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* Example:
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* $condition = ["uid" => 1, "network" => 'dspr'];
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* or:
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* $condition = ["`uid` = ? AND `network` IN (?, ?)", 1, 'dfrn', 'dspr'];
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*
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* $count = Post::count($condition);
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* @throws \Exception
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*/
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public static function count(array $condition = [], array $params = []): int
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{
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return DBA::count('post-user-view', $condition, $params);
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}
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/**
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* Counts the post-thread-user-view records satisfying the provided condition
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*
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* @param array $condition array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return int
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*
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* Example:
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* $condition = ["uid" => 1, "network" => 'dspr'];
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* or:
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* $condition = ["`uid` = ? AND `network` IN (?, ?)", 1, 'dfrn', 'dspr'];
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*
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* $count = Post::count($condition);
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* @throws \Exception
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*/
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public static function countThread(array $condition = [], array $params = []): int
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{
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return DBA::count('post-thread-user-view', $condition, $params);
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}
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/**
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* Counts the post-view records satisfying the provided condition
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*
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* @param array $condition array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return int
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*
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* Example:
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* $condition = ["network" => 'dspr'];
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* or:
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* $condition = ["`network` IN (?, ?)", 1, 'dfrn', 'dspr'];
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*
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* $count = Post::count($condition);
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* @throws \Exception
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*/
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public static function countPosts(array $condition = [], array $params = []): int
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{
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return DBA::count('post-view', $condition, $params);
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}
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/**
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* Retrieve a single record from the post-user-view view and returns it in an associative array
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*
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* @param array $fields
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* @param array $condition
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* @param array $params
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* @param bool $user_mode true = post-user-view, false = post-view
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* @return bool|array
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* @throws \Exception
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* @see DBA::select
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*/
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public static function selectFirst(array $fields = [], array $condition = [], array $params = [])
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{
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$params['limit'] = 1;
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$result = self::select($fields, $condition, $params);
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if (is_bool($result)) {
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return $result;
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} else {
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$row = self::fetch($result);
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DBA::close($result);
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return $row;
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}
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}
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/**
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* Retrieve a single record from the post-user-view view and returns it in an associative array
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* When the requested record is a reshare activity, the system fetches the reshared original post.
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* Otherwise the function reacts similar to selectFirst
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*
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* @param array $fields
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* @param array $condition
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* @param array $params
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* @param bool $user_mode true = post-user-view, false = post-view
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* @return bool|array
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* @throws \Exception
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* @see DBA::select
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*/
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public static function selectOriginal(array $fields = [], array $condition = [], array $params = [])
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{
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$original_fields = $fields;
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$remove = [];
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if (!empty($fields)) {
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foreach (['gravity', 'verb', 'thr-parent-id', 'uid'] as $field) {
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if (!in_array($field, $fields)) {
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$fields[] = $field;
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$remove[] = $field;
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}
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}
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}
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$result = self::selectFirst($fields, $condition, $params);
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if (empty($result)) {
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return $result;
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}
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if (($result['gravity'] != Item::GRAVITY_ACTIVITY) || ($result['verb'] != Activity::ANNOUNCE)) {
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foreach ($remove as $field) {
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unset($result[$field]);
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}
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return $result;
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}
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return self::selectFirst($original_fields, ['uri-id' => $result['thr-parent-id'], 'uid' => [0, $result['uid']]], $params);
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}
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/**
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* Retrieve a single record from the post-view view and returns it in an associative array
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*
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* @param array $fields
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* @param array $condition
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* @param array $params
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* @return bool|array
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* @throws \Exception
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* @see DBA::select
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*/
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public static function selectFirstPost(array $fields = [], array $condition = [], array $params = [])
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{
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$params['limit'] = 1;
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$result = self::selectPosts($fields, $condition, $params);
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if (is_bool($result)) {
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return $result;
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} else {
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$row = self::fetch($result);
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DBA::close($result);
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return $row;
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}
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}
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/**
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* Retrieve a single record from the post-thread-user-view view and returns it in an associative array
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*
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* @param array $fields
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* @param array $condition
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* @param array $params
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* @return bool|array
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* @throws \Exception
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* @see DBA::select
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*/
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public static function selectFirstThread(array $fields = [], array $condition = [], array $params = [])
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{
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$params['limit'] = 1;
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$result = self::selectThread($fields, $condition, $params);
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if (is_bool($result)) {
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return $result;
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} else {
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$row = self::fetch($result);
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DBA::close($result);
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return $row;
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}
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}
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/**
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* Select rows from the post-user-view view and returns them as an array
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*
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return array
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* @throws \Exception
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*/
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public static function selectToArray(array $fields = [], array $condition = [], array $params = [])
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{
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$result = self::select($fields, $condition, $params);
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if (is_bool($result)) {
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return [];
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}
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$data = [];
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while ($row = self::fetch($result)) {
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$data[] = $row;
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}
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DBA::close($result);
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return $data;
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}
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/**
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* Select rows from the given view
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*
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* @param string $view View (post-user-view or post-thread-user-view)
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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private static function selectView(string $view, array $selected = [], array $condition = [], array $params = [])
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{
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if (empty($selected)) {
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$selected = array_merge(Item::DISPLAY_FIELDLIST, Item::ITEM_FIELDLIST);
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if ($view == 'post-thread-user-view') {
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$selected = array_merge($selected, ['ignored']);
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}
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}
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$selected = array_unique($selected);
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return DBA::select($view, $selected, $condition, $params);
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}
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/**
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* Select rows from the post-user-view view
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*
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function select(array $selected = [], array $condition = [], array $params = [])
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{
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return self::selectView('post-user-view', $selected, $condition, $params);
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}
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/**
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* Select rows from the post-view view
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*
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function selectPosts(array $selected = [], array $condition = [], array $params = [])
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{
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return self::selectView('post-view', $selected, $condition, $params);
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}
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/**
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* Select rows from the post-thread-user-view view
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*
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function selectThread(array $selected = [], array $condition = [], array $params = [])
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{
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return self::selectView('post-thread-user-view', $selected, $condition, $params);
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}
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/**
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* Select rows from the post-thread-view view
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*
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function selectPostThread(array $selected = [], array $condition = [], array $params = [])
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{
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return self::selectView('post-thread-view', $selected, $condition, $params);
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}
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/**
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* Select rows from the given view for a given user
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*
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* @param string $view View (post-user-view or post-thread-user-view)
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* @param integer $uid User ID
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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private static function selectViewForUser(string $view, int $uid, array $selected = [], array $condition = [], array $params = [])
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{
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if (empty($selected)) {
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$selected = Item::DISPLAY_FIELDLIST;
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}
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$condition = DBA::mergeConditions($condition,
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["`visible` AND NOT `deleted`
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AND NOT `author-blocked` AND NOT `owner-blocked`
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AND (NOT `causer-blocked` OR `causer-id` = ? OR `causer-id` IS NULL) AND NOT `contact-blocked`
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AND ((NOT `contact-readonly` AND NOT `contact-pending` AND (`contact-rel` IN (?, ?)))
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OR `self` OR `contact-uid` = ?)
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AND NOT EXISTS(SELECT `uri-id` FROM `post-user` WHERE `uid` = ? AND `uri-id` = " . DBA::quoteIdentifier($view) . ".`uri-id` AND `hidden`)
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AND NOT EXISTS(SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` IN (`author-id`, `owner-id`) AND (`blocked` OR `ignored`))
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AND NOT EXISTS(SELECT `gsid` FROM `user-gserver` WHERE `uid` = ? AND `gsid` IN (`author-gsid`, `owner-gsid`, `causer-gsid`) AND `ignored`)",
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0, Contact::SHARING, Contact::FRIEND, 0, $uid, $uid, $uid]);
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$select_string = implode(', ', array_map([DBA::class, 'quoteIdentifier'], $selected));
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$condition_string = DBA::buildCondition($condition);
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$param_string = DBA::buildParameter($params);
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$sql = "SELECT " . $select_string . " FROM `" . $view . "` " . $condition_string . $param_string;
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$sql = DBA::cleanQuery($sql);
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return DBA::p($sql, $condition);
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}
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/**
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* Select rows from the post-user-view view for a given user
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*
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* @param integer $uid User ID
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function selectForUser(int $uid, array $selected = [], array $condition = [], array $params = [])
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{
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return self::selectViewForUser('post-user-view', $uid, $selected, $condition, $params);
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}
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/**
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* Select rows from the post-view view for a given user
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*
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* @param integer $uid User ID
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function selectPostsForUser(int $uid, array $selected = [], array $condition = [], array $params = [])
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{
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return self::selectViewForUser('post-view', $uid, $selected, $condition, $params);
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}
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/**
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* Select rows from the post-timeline-view view for a given user
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* This function is used for API calls.
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*
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* @param integer $uid User ID
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function selectTimelineForUser(int $uid, array $selected = [], array $condition = [], array $params = [])
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{
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return self::selectViewForUser('post-timeline-view', $uid, $selected, $condition, $params);
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}
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/**
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* Select rows from the post-thread-user-view view for a given user
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*
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* @param integer $uid User ID
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* @param array $selected Array of selected fields, empty for all
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* @param array $condition Array of fields for condition
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* @param array $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function selectThreadForUser(int $uid, array $selected = [], array $condition = [], array $params = [])
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{
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return self::selectViewForUser('post-thread-user-view', $uid, $selected, $condition, $params);
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}
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/**
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* Retrieve a single record from the post-user-view view for a given user and returns it in an associative array
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*
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* @param integer $uid User ID
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* @param array $selected
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* @param array $condition
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* @param array $params
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* @return bool|array
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|
* @throws \Exception
|
|
* @see DBA::select
|
|
*/
|
|
public static function selectFirstForUser(int $uid, array $selected = [], array $condition = [], array $params = [])
|
|
{
|
|
$params['limit'] = 1;
|
|
|
|
$result = self::selectForUser($uid, $selected, $condition, $params);
|
|
|
|
if (is_bool($result)) {
|
|
return $result;
|
|
} else {
|
|
$row = self::fetch($result);
|
|
DBA::close($result);
|
|
return $row;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve a single record from the post-user-view view for a given user and returns it in an associative array
|
|
* When the requested record is a reshare activity, the system fetches the reshared original post.
|
|
* Otherwise the function reacts similar to selectFirstForUser
|
|
*
|
|
* @param integer $uid User ID
|
|
* @param array $selected
|
|
* @param array $condition
|
|
* @param array $params
|
|
* @return bool|array
|
|
* @throws \Exception
|
|
* @see DBA::select
|
|
*/
|
|
public static function selectOriginalForUser(int $uid, array $selected = [], array $condition = [], array $params = [])
|
|
{
|
|
$original_selected = $selected;
|
|
$remove = [];
|
|
if (!empty($selected)) {
|
|
foreach (['gravity', 'verb', 'thr-parent-id'] as $field) {
|
|
if (!in_array($field, $selected)) {
|
|
$selected[] = $field;
|
|
$remove[] = $field;
|
|
}
|
|
}
|
|
}
|
|
$result = self::selectFirstForUser($uid, $selected, $condition, $params);
|
|
if (empty($result)) {
|
|
return $result;
|
|
}
|
|
|
|
if (($result['gravity'] != Item::GRAVITY_ACTIVITY) || ($result['verb'] != Activity::ANNOUNCE)) {
|
|
foreach ($remove as $field) {
|
|
unset($result[$field]);
|
|
}
|
|
return $result;
|
|
}
|
|
|
|
return self::selectFirstForUser($uid, $original_selected, ['uri-id' => $result['thr-parent-id'], 'uid' => [0, $uid]], $params);
|
|
}
|
|
|
|
/**
|
|
* Update existing post entries
|
|
*
|
|
* @param array $fields The fields that are to be changed
|
|
* @param array $condition The condition for finding the item entries
|
|
*
|
|
* A return value of "0" doesn't mean an error - but that 0 rows had been changed.
|
|
*
|
|
* @return integer|boolean number of affected rows - or "false" if there was an error
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public static function update(array $fields, array $condition)
|
|
{
|
|
$affected = 0;
|
|
|
|
Logger::info('Start Update', ['fields' => $fields, 'condition' => $condition, 'uid' => DI::userSession()->getLocalUserId()]);
|
|
|
|
// Don't allow changes to fields that are responsible for the relation between the records
|
|
unset($fields['id']);
|
|
unset($fields['parent']);
|
|
unset($fields['uid']);
|
|
unset($fields['uri']);
|
|
unset($fields['uri-id']);
|
|
unset($fields['thr-parent']);
|
|
unset($fields['thr-parent-id']);
|
|
unset($fields['parent-uri']);
|
|
unset($fields['parent-uri-id']);
|
|
|
|
$thread_condition = DBA::mergeConditions($condition, ['gravity' => Item::GRAVITY_PARENT]);
|
|
|
|
// To ensure the data integrity we do it in an transaction
|
|
DBA::transaction();
|
|
|
|
$update_fields = DI::dbaDefinition()->truncateFieldsForTable('post-user', $fields);
|
|
if (!empty($update_fields)) {
|
|
$affected_count = 0;
|
|
$posts = DBA::select('post-user-view', ['post-user-id'], $condition);
|
|
while ($rows = DBA::toArray($posts, false, 100)) {
|
|
$puids = array_column($rows, 'post-user-id');
|
|
if (!DBA::update('post-user', $update_fields, ['id' => $puids])) {
|
|
DBA::rollback();
|
|
Logger::warning('Updating post-user failed', ['fields' => $update_fields, 'condition' => $condition]);
|
|
return false;
|
|
}
|
|
$affected_count += DBA::affectedRows();
|
|
}
|
|
DBA::close($posts);
|
|
$affected = $affected_count;
|
|
}
|
|
|
|
$update_fields = DI::dbaDefinition()->truncateFieldsForTable('post-content', $fields);
|
|
if (!empty($update_fields)) {
|
|
$affected_count = 0;
|
|
$posts = DBA::select('post-user-view', ['uri-id'], $condition, ['group_by' => ['uri-id']]);
|
|
while ($rows = DBA::toArray($posts, false, 100)) {
|
|
$uriids = array_column($rows, 'uri-id');
|
|
if (!DBA::update('post-content', $update_fields, ['uri-id' => $uriids])) {
|
|
DBA::rollback();
|
|
Logger::warning('Updating post-content failed', ['fields' => $update_fields, 'condition' => $condition]);
|
|
return false;
|
|
}
|
|
$affected_count += DBA::affectedRows();
|
|
}
|
|
DBA::close($posts);
|
|
$affected = max($affected, $affected_count);
|
|
}
|
|
|
|
$update_fields = DI::dbaDefinition()->truncateFieldsForTable('post', $fields);
|
|
if (!empty($update_fields)) {
|
|
$affected_count = 0;
|
|
$posts = DBA::select('post-user-view', ['uri-id'], $condition, ['group_by' => ['uri-id']]);
|
|
while ($rows = DBA::toArray($posts, false, 100)) {
|
|
$uriids = array_column($rows, 'uri-id');
|
|
|
|
// Only delete the "post" entry when all "post-user" entries are deleted
|
|
if (!empty($update_fields['deleted']) && DBA::exists('post-user', ['uri-id' => $uriids, 'deleted' => false])) {
|
|
unset($update_fields['deleted']);
|
|
}
|
|
|
|
if (!DBA::update('post', $update_fields, ['uri-id' => $uriids])) {
|
|
DBA::rollback();
|
|
Logger::warning('Updating post failed', ['fields' => $update_fields, 'condition' => $condition]);
|
|
return false;
|
|
}
|
|
$affected_count += DBA::affectedRows();
|
|
}
|
|
DBA::close($posts);
|
|
$affected = max($affected, $affected_count);
|
|
}
|
|
|
|
$update_fields = Post\DeliveryData::extractFields($fields);
|
|
if (!empty($update_fields)) {
|
|
$affected_count = 0;
|
|
$posts = DBA::select('post-user-view', ['uri-id'], $condition, ['group_by' => ['uri-id']]);
|
|
while ($rows = DBA::toArray($posts, false, 100)) {
|
|
$uriids = array_column($rows, 'uri-id');
|
|
if (!DBA::update('post-delivery-data', $update_fields, ['uri-id' => $uriids])) {
|
|
DBA::rollback();
|
|
Logger::warning('Updating post-delivery-data failed', ['fields' => $update_fields, 'condition' => $condition]);
|
|
return false;
|
|
}
|
|
$affected_count += DBA::affectedRows();
|
|
}
|
|
DBA::close($posts);
|
|
$affected = max($affected, $affected_count);
|
|
}
|
|
|
|
$update_fields = DI::dbaDefinition()->truncateFieldsForTable('post-thread', $fields);
|
|
if (!empty($update_fields)) {
|
|
$affected_count = 0;
|
|
$posts = DBA::select('post-user-view', ['uri-id'], $thread_condition, ['group_by' => ['uri-id']]);
|
|
while ($rows = DBA::toArray($posts, false, 100)) {
|
|
$uriids = array_column($rows, 'uri-id');
|
|
if (!DBA::update('post-thread', $update_fields, ['uri-id' => $uriids])) {
|
|
DBA::rollback();
|
|
Logger::warning('Updating post-thread failed', ['fields' => $update_fields, 'condition' => $condition]);
|
|
return false;
|
|
}
|
|
$affected_count += DBA::affectedRows();
|
|
}
|
|
DBA::close($posts);
|
|
$affected = max($affected, $affected_count);
|
|
}
|
|
|
|
$update_fields = DI::dbaDefinition()->truncateFieldsForTable('post-thread-user', $fields);
|
|
if (!empty($update_fields)) {
|
|
$affected_count = 0;
|
|
$posts = DBA::select('post-user-view', ['post-user-id'], $thread_condition);
|
|
while ($rows = DBA::toArray($posts, false, 100)) {
|
|
$thread_puids = array_column($rows, 'post-user-id');
|
|
if (!DBA::update('post-thread-user', $update_fields, ['post-user-id' => $thread_puids])) {
|
|
DBA::rollback();
|
|
Logger::warning('Updating post-thread-user failed', ['fields' => $update_fields, 'condition' => $condition]);
|
|
return false;
|
|
}
|
|
$affected_count += DBA::affectedRows();
|
|
}
|
|
DBA::close($posts);
|
|
$affected = max($affected, $affected_count);
|
|
}
|
|
|
|
DBA::commit();
|
|
|
|
Logger::info('Updated posts', ['rows' => $affected]);
|
|
return $affected;
|
|
}
|
|
|
|
/**
|
|
* Delete a row from the post table
|
|
*
|
|
* @param array $conditions Field condition(s)
|
|
* @param array $options
|
|
* - cascade: If true we delete records in other tables that depend on the one we're deleting through
|
|
* relations (default: true)
|
|
*
|
|
* @return boolean was the delete successful?
|
|
* @throws \Exception
|
|
*/
|
|
public static function delete(array $conditions, array $options = []): bool
|
|
{
|
|
return DBA::delete('post', $conditions, $options);
|
|
}
|
|
}
|