1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Model\ResourceModel\Db\VersionControl;
/**
* Class Snapshot register snapshot of entity data, for tracking changes
*/
class Snapshot
{
/**
* Array of snapshots of entities data
*
* @var array
*/
protected $snapshotData = [];
/**
* @var Metadata
*/
protected $metadata;
/**
* Initialization
*
* @param Metadata $metadata
*/
public function __construct(
Metadata $metadata
) {
$this->metadata = $metadata;
}
/**
* Register snapshot of entity data, for tracking changes
*
* @param \Magento\Framework\DataObject $entity
* @return void
* @SuppressWarnings(PHPMD.UnusedLocalVariable)
*/
public function registerSnapshot(\Magento\Framework\DataObject $entity)
{
$metaData = $this->metadata->getFields($entity);
$filteredData = array_intersect_key($entity->getData(), $metaData);
$data = array_merge($metaData, $filteredData);
$this->snapshotData[get_class($entity)][$entity->getId()] = $data;
}
/**
* Check is current entity has changes, by comparing current object state with stored snapshot
*
* @param \Magento\Framework\DataObject $entity
* @return bool
*/
public function isModified(\Magento\Framework\DataObject $entity)
{
if (!$entity->getId()) {
return true;
}
$entityClass = get_class($entity);
if (!isset($this->snapshotData[$entityClass][$entity->getId()])) {
return true;
}
foreach ($this->snapshotData[$entityClass][$entity->getId()] as $field => $value) {
if ($entity->getDataByKey($field) != $value) {
return true;
}
}
return false;
}
}