tao-test/app/taoDacSimple/model/PermissionsStrategyAbstract.php

132 lines
4.2 KiB
PHP

<?php
declare(strict_types=1);
/**
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; under version 2
* of the License (non-upgradable).
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright (c) 2020 (original work) Open Assessment Technologies SA;
*
*/
namespace oat\taoDacSimple\model;
use RuntimeException;
abstract class PermissionsStrategyAbstract implements PermissionsStrategyInterface
{
protected function arrayDiffRecursive(array $array1, array $array2): array
{
$outputDiff = [];
if (!($this->is_assoc($array1) || $this->is_assoc($array2))) {
return array_values(array_diff($array1, $array2));
}
foreach ($array1 as $array1key => $array1value) {
if (array_key_exists($array1key, $array2)) {
if (is_array($array1value) && is_array($array2[$array1key])) {
$outputDiff[$array1key] = $this->arrayDiffRecursive($array1value, $array2[$array1key]);
} else {
throw new RuntimeException('Inconsistent data');
}
} else {
$outputDiff[$array1key] = $array1value;
}
}
$result = [];
foreach ($outputDiff as $i => $key) {
if (!empty($key)) {
$result[$i] = $key;
}
}
return $result;
}
protected function arrayIntersectRecursive(array $array1, array $array2): array
{
$return = [];
if (!($this->is_assoc($array1) || $this->is_assoc($array2))) {
return array_intersect($array1, $array2);
}
$commonKeys = array_intersect(array_keys($array1), array_keys($array2));
foreach ($commonKeys as $key) {
if (is_array($array1[$key]) && is_array($array2[$key])) {
$intersection = $this->arrayIntersectRecursive($array1[$key], $array2[$key]);
if ($intersection) {
$return[$key] = $intersection;
}
} else if ($array1[$key] === $array2[$key]) {
$return[$key] = $array1[$key];
}
}
return $return;
}
private function is_assoc(array $array): bool
{
return count(array_filter(array_keys($array), 'is_string')) > 0;
}
/**
* get the delta between existing permissions and new permissions
*
* @param array $currentPrivileges
* @param array $privilegesToSet associative array $user_id => $permissions
*
* @return array
*/
public function getDeltaPermissions(array $currentPrivileges, array $privilegesToSet): array
{
foreach ($privilegesToSet as $userId => $privilegeIds) {
//if privileges are in request but not in db we add then
if (!isset($currentPrivileges[$userId])) {
if ($privilegeIds) {
$add[$userId] = $privilegeIds;
}
} // compare privileges in db and request
else {
$tmp = array_values(array_diff($privilegeIds, $currentPrivileges[$userId]));
if ($tmp) {
$add[$userId] = $tmp;
}
$tmp = array_values(array_diff($currentPrivileges[$userId], $privilegeIds));
if ($tmp) {
$remove[$userId] = $tmp;
}
// unset already compare db variable
unset($currentPrivileges[$userId]);
}
}
//remaining privileges has to be removed
foreach ($currentPrivileges as $userId => $privilegeIds) {
$remove[$userId] = $privilegeIds;
}
return compact('remove', 'add');
}
}