152 lines
No EOL
3.4 KiB
PHP
152 lines
No EOL
3.4 KiB
PHP
<?php
|
|
|
|
/**
|
|
* @file src/Model/Attach.php
|
|
* @brief This file contains the Attach class for database interface
|
|
*/
|
|
namespace Friendica\Model;
|
|
|
|
use Friendica\BaseObject;
|
|
use Friendica\Core\StorageManager;
|
|
use Friendica\Database\DBA;
|
|
use Friendica\Database\DBStructure;
|
|
use Friendica\Util\Security;
|
|
|
|
|
|
/**
|
|
* Class to handle attach dabatase table
|
|
*/
|
|
class Attach extends BaseObject
|
|
{
|
|
|
|
/**
|
|
* @brief Return a list of fields that are associated with the attach table
|
|
*
|
|
* @return array field list
|
|
*/
|
|
private static function getFields()
|
|
{
|
|
$allfields = DBStructure::definition(false);
|
|
$fields = array_keys($allfields['attach']['fields']);
|
|
array_splice($fields, array_search('data', $fields), 1);
|
|
return $fields;
|
|
}
|
|
|
|
/**
|
|
* @brief Select rows from the attach table
|
|
*
|
|
* @param array $fields Array of selected fields, empty for all
|
|
* @param array $conditions Array of fields for conditions
|
|
* @param array $params Array of several parameters
|
|
*
|
|
* @return boolean|array
|
|
*
|
|
* @see \Friendica\Database\DBA::select
|
|
*/
|
|
public static function select(array $fields = [], array $conditions = [], array $params = [])
|
|
{
|
|
if (empty($fields)) {
|
|
$selected = self::getFields();
|
|
}
|
|
|
|
$r = DBA::select('attach', $fields, $conditions, $params);
|
|
return DBA::toArray($r);
|
|
}
|
|
|
|
/**
|
|
* @brief Retrieve a single record from the attach table
|
|
*
|
|
* @param array $fields Array of selected fields, empty for all
|
|
* @param array $conditions Array of fields for conditions
|
|
* @param array $params Array of several parameters
|
|
*
|
|
* @return bool|array
|
|
*
|
|
* @see \Friendica\Database\DBA::select
|
|
*/
|
|
public static function selectFirst(array $fields = [], array $conditions = [], array $params = [])
|
|
{
|
|
if (empty($fields)) {
|
|
$fields = self::getFields();
|
|
}
|
|
|
|
return DBA::selectFirst('attach', $fields, $conditions, $params);
|
|
}
|
|
|
|
/**
|
|
* @brief Check if attachment with given conditions exists
|
|
*
|
|
* @param array $conditions Array of extra conditions
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public static function exists(array $conditions)
|
|
{
|
|
return DBA::exists('attach', $conditions);
|
|
}
|
|
|
|
/**
|
|
* @brief Retrive a single record given the ID
|
|
*
|
|
* @param int $id Row id of the record
|
|
*
|
|
* @return bool|array
|
|
*
|
|
* @see \Friendica\Database\DBA::select
|
|
*/
|
|
public static function getById($id)
|
|
{
|
|
return self::selectFirst([], ['id' => $id]);
|
|
}
|
|
|
|
/**
|
|
* @brief Retrive a single record given the ID
|
|
*
|
|
* @param int $id Row id of the record
|
|
*
|
|
* @return bool|array
|
|
*
|
|
* @see \Friendica\Database\DBA::select
|
|
*/
|
|
public static function getByIdWithPermission($id)
|
|
{
|
|
$r = self::selectFirst(['uid'], ['id' => $id]);
|
|
if ($r === false) {
|
|
return false;
|
|
}
|
|
|
|
$sql_acl = Security::getPermissionsSQLByUserId($r['uid']);
|
|
|
|
$conditions = [
|
|
'`id` = ?' . $sql_acl,
|
|
$id
|
|
];
|
|
|
|
$item = self::selectFirst([], $conditions);
|
|
|
|
return $item;
|
|
}
|
|
|
|
/**
|
|
* @brief Get file data for given row id. null if row id does not exist
|
|
*
|
|
* @param array $item Attachment data. Needs at least 'id', 'backend-class', 'backend-ref'
|
|
*
|
|
* @return string file data
|
|
*/
|
|
public static function getData($item)
|
|
{
|
|
if ($item['backend-class'] == '') {
|
|
// legacy data storage in 'data' column
|
|
$i = self::selectFirst(['data'], ['id' => $item['id']]);
|
|
if ($i === false) {
|
|
return null;
|
|
}
|
|
return $i['data'];
|
|
} else {
|
|
$backendClass = $item['backend-class'];
|
|
$backendRef = $item['backend-ref'];
|
|
return $backendClass::get($backendRef);
|
|
}
|
|
}
|
|
} |