friendica/src/Model/Post.php

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<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Model;
use Friendica\Core\Protocol;
use Friendica\Database\DBA;
use Friendica\Protocol\Activity;
use Friendica\Repository\PermissionSet;
class Post
{
/**
* Fetch a single post row
*
* @param mixed $stmt statement object
* @return array|false current row or false
* @throws \Exception
*/
public static function fetch($stmt)
{
$row = DBA::fetch($stmt);
if (!is_array($row)) {
return $row;
}
if (array_key_exists('verb', $row)) {
if (in_array($row['verb'], Item::ACTIVITIES)) {
if (array_key_exists('title', $row)) {
$row['title'] = '';
}
if (array_key_exists('body', $row)) {
$row['body'] = $row['verb'];
}
if (array_key_exists('object', $row)) {
$row['object'] = '';
}
if (array_key_exists('object-type', $row)) {
$row['object-type'] = Activity\ObjectType::NOTE;
}
} elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
// Posts don't have a target - but having tags or files.
if (array_key_exists('target', $row)) {
$row['target'] = '';
}
}
}
if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
// Build the file string out of the term entries
if (array_key_exists('file', $row)) {
if ($row['internal-file-count'] > 0) {
$row['file'] = Post\Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
} else {
$row['file'] = '';
}
}
}
// Remove internal fields
unset($row['internal-file-count']);
unset($row['internal-uri-id']);
unset($row['internal-uid']);
return $row;
}
/**
* Fills an array with data from an post query
*
* @param object $stmt statement object
* @param bool $do_close
* @return array Data array
*/
public static function inArray($stmt, $do_close = true) {
if (is_bool($stmt)) {
return $stmt;
}
$data = [];
while ($row = self::fetch($stmt)) {
$data[] = $row;
}
if ($do_close) {
DBA::close($stmt);
}
return $data;
}
/**
* Check if post data exists
*
* @param array $condition array of fields for condition
*
* @return boolean Are there rows for that condition?
* @throws \Exception
*/
public static function exists($condition) {
$stmt = self::select(['id'], $condition, ['limit' => 1]);
if (is_bool($stmt)) {
$retval = $stmt;
} else {
$retval = (DBA::numRows($stmt) > 0);
}
DBA::close($stmt);
return $retval;
}
/**
* Retrieve a single record from the post table and returns it in an associative array
*
* @param array $fields
* @param array $condition
* @param array $params
* @return bool|array
* @throws \Exception
* @see DBA::select
*/
public static function selectFirst(array $fields = [], array $condition = [], $params = [])
{
$params['limit'] = 1;
$result = self::select($fields, $condition, $params);
if (is_bool($result)) {
return $result;
} else {
$row = self::fetch($result);
DBA::close($result);
return $row;
}
}
/**
* Select rows from the post table and returns them as an array
*
* @param array $selected Array of selected fields, empty for all
* @param array $condition Array of fields for condition
* @param array $params Array of several parameters
*
* @return array
* @throws \Exception
*/
public static function selectToArray(array $fields = [], array $condition = [], $params = [])
{
$result = self::select($fields, $condition, $params);
if (is_bool($result)) {
return [];
}
$data = [];
while ($row = self::fetch($result)) {
$data[] = $row;
}
DBA::close($result);
return $data;
}
/**
* Select rows from the post table
*
* @param array $selected Array of selected fields, empty for all
* @param array $condition Array of fields for condition
* @param array $params Array of several parameters
*
* @return boolean|object
* @throws \Exception
*/
public static function select(array $selected = [], array $condition = [], $params = [])
{
if (empty($selected)) {
$selected = Item::DISPLAY_FIELDLIST;
}
$selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-file-count']);
$selected = array_unique($selected);
return DBA::select('post-view', $selected, $condition, $params);
}
}