516 lines
16 KiB
PHP
516 lines
16 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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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 Friendica\Core\Logger;
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use Friendica\Database\DBA;
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use Friendica\Database\DBStructure;
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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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* 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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return $row;
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}
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/**
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* Fills an array with data from an post query
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*
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* @param object $stmt statement object
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* @param bool $do_close
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* @return array Data array
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*/
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public static function toArray($stmt, $do_close = true) {
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if (is_bool($stmt)) {
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return $stmt;
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}
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$data = [];
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while ($row = self::fetch($stmt)) {
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$data[] = $row;
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}
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if ($do_close) {
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DBA::close($stmt);
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}
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return $data;
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}
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/**
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* Check if post data exists
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*
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* @param array $condition array of fields for condition
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*
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* @return boolean Are there rows for that condition?
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* @throws \Exception
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*/
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public static function exists($condition) {
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return DBA::exists('post-view', $condition);
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}
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/**
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* Counts the posts 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 = [])
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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 table 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 selectFirst(array $fields = [], array $condition = [], $params = [])
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{
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$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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* Select rows from the post table 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 = [], $params = [])
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{
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$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-view or post-thread-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 = [], $params = [])
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{
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if (empty($selected)) {
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$selected = array_merge(['author-addr', 'author-nick', 'owner-addr', 'owner-nick', 'causer-addr', 'causer-nick',
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'causer-network', 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id',
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'parent-guid', 'parent-network', 'parent-author-id', 'parent-author-link', 'parent-author-name',
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'parent-author-network', 'signed_text'], Item::DISPLAY_FIELDLIST, Item::ITEM_FIELDLIST, Item::CONTENT_FIELDLIST);
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if ($view == 'post-thread-view') {
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$selected = array_merge($selected, ['ignored', 'iid']);
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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 table
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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 = [], $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 table
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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 = [], $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-view or post-thread-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, $uid, array $selected = [], array $condition = [], $params = [])
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{
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if (empty($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` AND NOT `moderated`
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AND NOT `author-blocked` AND NOT `owner-blocked`
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AND (NOT `causer-blocked` OR `causer-id` = ?) 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 `gravity` != ? OR `contact-uid` = ?)
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AND NOT EXISTS (SELECT `iid` FROM `user-item` WHERE `hidden` AND `iid` = `id` AND `uid` = ?)
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AND NOT EXISTS (SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` = `author-id` AND `blocked`)
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AND NOT EXISTS (SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` = `owner-id` AND `blocked`)
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AND NOT EXISTS (SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` = `author-id` AND `ignored` AND `gravity` = ?)
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AND NOT EXISTS (SELECT `cid` FROM `user-contact` WHERE `uid` = ? AND `cid` = `owner-id` AND `ignored` AND `gravity` = ?)",
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0, Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, 0, $uid, $uid, $uid, $uid, GRAVITY_PARENT, $uid, GRAVITY_PARENT]);
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$select_string = '';
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if (in_array('pinned', $selected)) {
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$selected = array_flip($selected);
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unset($selected['pinned']);
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$selected = array_flip($selected);
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$select_string = "(SELECT `pinned` FROM `user-item` WHERE `iid` = `" . $view . "`.`id` AND uid=`" . $view . "`.`uid`) AS `pinned`, ";
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}
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$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 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 $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function selectForUser($uid, array $selected = [], array $condition = [], $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 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 $params Array of several parameters
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*
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* @return boolean|object
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* @throws \Exception
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*/
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public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
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{
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return self::selectViewForUser('post-thread-view', $uid, $selected, $condition, $params);
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}
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/**
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* Retrieve a single record from the post 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 $params
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* @return bool|array
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* @throws \Exception
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* @see DBA::select
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*/
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public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
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{
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$params['limit'] = 1;
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$result = self::selectForUser($uid, $selected, $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 starting post in the item table 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 $params
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* @return bool|array
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* @throws \Exception
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* @see DBA::select
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*/
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public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
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{
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$params['limit'] = 1;
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$result = self::selectThreadForUser($uid, $selected, $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 pinned rows from the item table 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 selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
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{
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$useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
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if (!DBA::isResult($useritems)) {
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return $useritems;
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}
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$pinned = [];
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while ($useritem = DBA::fetch($useritems)) {
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$pinned[] = $useritem['iid'];
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}
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DBA::close($useritems);
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if (empty($pinned)) {
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return [];
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}
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$condition = DBA::mergeConditions(['iid' => $pinned], $condition);
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return self::selectThreadForUser($uid, $selected, $condition, $params);
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}
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/**
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* Update existing post entries
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*
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* @param array $fields The fields that are to be changed
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* @param array $condition The condition for finding the item entries
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*
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* A return value of "0" doesn't mean an error - but that 0 rows had been changed.
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*
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* @return integer|boolean number of affected rows - or "false" if there was an error
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* @throws \Friendica\Network\HTTPException\InternalServerErrorException
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*/
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public static function update(array $fields, array $condition)
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{
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$affected = 0;
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Logger::info('Start Update', ['fields' => $fields, 'condition' => $condition]);
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// Don't allow changes to fields that are responsible for the relation between the records
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unset($fields['id']);
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unset($fields['parent']);
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unset($fields['uid']);
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unset($fields['uri']);
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unset($fields['uri-id']);
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unset($fields['thr-parent']);
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unset($fields['thr-parent-id']);
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unset($fields['parent-uri']);
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unset($fields['parent-uri-id']);
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// To ensure the data integrity we do it in an transaction
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DBA::transaction();
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$update_fields = DBStructure::getFieldsForTable('post-user', $fields);
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if (!empty($update_fields)) {
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$rows = DBA::selectToArray('post-view', ['post-user-id'], $condition);
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$puids = array_column($rows, 'post-user-id');
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if (!DBA::update('post-user', $update_fields, ['id' => $puids])) {
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DBA::rollback();
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Logger::notice('Updating post-user failed', ['fields' => $update_fields, 'condition' => $condition]);
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return false;
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}
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$affected = DBA::affectedRows();
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}
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$update_fields = DBStructure::getFieldsForTable('post-content', $fields);
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if (!empty($update_fields)) {
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$rows = DBA::selectToArray('post-view', ['uri-id'], $condition, ['group_by' => ['uri-id']]);
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$uriids = array_column($rows, 'uri-id');
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if (!DBA::update('post-content', $update_fields, ['uri-id' => $uriids])) {
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DBA::rollback();
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Logger::notice('Updating post-content failed', ['fields' => $update_fields, 'condition' => $condition]);
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return false;
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}
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$affected = max($affected, DBA::affectedRows());
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}
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$update_fields = Post\DeliveryData::extractFields($fields);
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if (!empty($update_fields)) {
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if (empty($uriids)) {
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$rows = DBA::selectToArray('post-view', ['uri-id'], $condition, ['group_by' => ['uri-id']]);
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$uriids = array_column($rows, 'uri-id');
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}
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if (!DBA::update('post-delivery-data', $update_fields, ['uri-id' => $uriids])) {
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DBA::rollback();
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Logger::notice('Updating post-delivery-data failed', ['fields' => $update_fields, 'condition' => $condition]);
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return false;
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}
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$affected = max($affected, DBA::affectedRows());
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}
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$update_fields = DBStructure::getFieldsForTable('thread', $fields);
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if (!empty($update_fields)) {
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$rows = DBA::selectToArray('post-view', ['id'], $condition);
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$ids = array_column($rows, 'id');
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if (!DBA::update('thread', $update_fields, ['iid' => $ids])) {
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DBA::rollback();
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Logger::notice('Updating thread failed', ['fields' => $update_fields, 'condition' => $condition]);
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return false;
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}
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$affected = max($affected, DBA::affectedRows());
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}
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$item_fields = ['guid', 'type', 'wall', 'gravity', 'extid', 'created', 'edited', 'commented', 'received', 'changed',
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'resource-id', 'post-type', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
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'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network', 'vid', 'psid',
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'contact-id', 'author-id', 'owner-id', 'causer-id', 'event-id'];
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$update_fields = [];
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foreach ($item_fields as $field) {
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if (array_key_exists($field, $fields)) {
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$update_fields[$field] = $fields[$field];
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}
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}
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if (!empty($update_fields)) {
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if (empty($ids)) {
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$rows = DBA::selectToArray('post-view', ['id'], $condition, []);
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$ids = array_column($rows, 'id');
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}
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if (!DBA::update('item', $update_fields, ['id' => $ids])) {
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DBA::rollback();
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Logger::notice('Updating item failed', ['fields' => $update_fields, 'condition' => $condition]);
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return false;
|
|
}
|
|
$affected = max($affected, DBA::affectedRows());
|
|
}
|
|
|
|
DBA::commit();
|
|
|
|
Logger::info('Updated posts', ['rows' => $affected]);
|
|
return $affected;
|
|
}
|
|
}
|