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Audit.php
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Audit.php
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<?php
namespace OwenIt\Auditing;
use DateTimeInterface;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\Config;
use Illuminate\Support\Facades\Date;
use Illuminate\Support\Str;
use InvalidArgumentException;
use OwenIt\Auditing\Contracts\AttributeEncoder;
trait Audit
{
/**
* Audit data.
*
* @var array
*/
protected $data = [];
/**
* The Audit attributes that belong to the metadata.
*
* @var array
*/
protected $metadata = [];
/**
* The Auditable attributes that were modified.
*
* @var array
*/
protected $modified = [];
/**
* {@inheritdoc}
*/
public function auditable()
{
return $this->morphTo();
}
/**
* {@inheritdoc}
*/
public function user()
{
$morphPrefix = Config::get('audit.user.morph_prefix', 'user');
return $this->morphTo(__FUNCTION__, $morphPrefix . '_type', $morphPrefix . '_id');
}
/**
* {@inheritdoc}
*/
public function getConnectionName()
{
return Config::get('audit.drivers.database.connection');
}
/**
* {@inheritdoc}
*/
public function getTable(): string
{
return Config::get('audit.drivers.database.table', parent::getTable());
}
/**
* {@inheritdoc}
*/
public function resolveData(): array
{
$morphPrefix = Config::get('audit.user.morph_prefix', 'user');
// Metadata
$this->data = [
'audit_id' => $this->getKey(),
'audit_event' => $this->event,
'audit_tags' => $this->tags,
'audit_created_at' => $this->serializeDate($this->{$this->getCreatedAtColumn()}),
'audit_updated_at' => $this->serializeDate($this->{$this->getUpdatedAtColumn()}),
'user_id' => $this->getAttribute($morphPrefix . '_id'),
'user_type' => $this->getAttribute($morphPrefix . '_type'),
];
// add resolvers data to metadata
$resolverData = [];
foreach (array_keys(Config::get('audit.resolvers', [])) as $name) {
$resolverData['audit_' . $name] = $this->$name;
}
$this->data = array_merge($this->data, $resolverData);
if ($this->user) {
foreach ($this->user->getArrayableAttributes() as $attribute => $value) {
$this->data['user_' . $attribute] = $value;
}
}
$this->metadata = array_keys($this->data);
// Modified Auditable attributes
foreach ($this->new_values ?? [] as $key => $value) {
$this->data['new_' . $key] = $value;
}
foreach ($this->old_values ?? [] as $key => $value) {
$this->data['old_' . $key] = $value;
}
$this->modified = array_diff_key(array_keys($this->data), $this->metadata);
return $this->data;
}
/**
* Get the formatted value of an Eloquent model.
*
* @param Model $model
* @param string $key
* @param mixed $value
*
* @return mixed
*/
protected function getFormattedValue(Model $model, string $key, $value)
{
// Apply defined get mutator
if ($model->hasGetMutator($key)) {
return $model->mutateAttribute($key, $value);
}
if (method_exists($model, 'hasAttributeMutator') && $model->hasAttributeMutator($key)) {
return $model->mutateAttributeMarkedAttribute($key, $value);
}
if (array_key_exists(
$key,
$model->getCasts()
) && $model->getCasts()[$key] == 'Illuminate\Database\Eloquent\Casts\AsArrayObject') {
$arrayObject = new \Illuminate\Database\Eloquent\Casts\ArrayObject(json_decode($value, true) ?: []);
return $arrayObject;
}
// Cast to native PHP type
if ($model->hasCast($key)) {
if ($model->getCastType($key) == 'datetime' ) {
$value = $this->castDatetimeUTC($model, $value);
}
unset($model->classCastCache[$key]);
return $model->castAttribute($key, $value);
}
// Honour DateTime attribute
if ($value !== null && in_array($key, $model->getDates(), true)) {
return $model->asDateTime($this->castDatetimeUTC($model, $value));
}
return $value;
}
private function castDatetimeUTC($model, $value)
{
if (!is_string($value)) {
return $value;
}
if (preg_match('/^(\d{4})-(\d{1,2})-(\d{1,2})$/', $value)) {
return Date::instance(Carbon::createFromFormat('Y-m-d', $value, Date::now('UTC')->getTimezone())->startOfDay());
}
if (preg_match('/^(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})$/', $value)) {
return Date::instance(Carbon::createFromFormat('Y-m-d H:i:s', $value, Date::now('UTC')->getTimezone()));
}
try {
return Date::createFromFormat($model->getDateFormat(), $value, Date::now('UTC')->getTimezone());
} catch (InvalidArgumentException $e) {
return $value;
}
}
/**
* {@inheritdoc}
*/
public function getDataValue(string $key)
{
if (!array_key_exists($key, $this->data)) {
return;
}
$value = $this->data[$key];
// User value
if ($this->user && Str::startsWith($key, 'user_')) {
return $this->getFormattedValue($this->user, substr($key, 5), $value);
}
// Auditable value
if ($this->auditable && Str::startsWith($key, ['new_', 'old_'])) {
$attribute = substr($key, 4);
return $this->getFormattedValue(
$this->auditable,
$attribute,
$this->decodeAttributeValue($this->auditable, $attribute, $value)
);
}
return $value;
}
/**
* Decode attribute value.
*
* @param Contracts\Auditable $auditable
* @param string $attribute
* @param mixed $value
*
* @return mixed
*/
protected function decodeAttributeValue(Contracts\Auditable $auditable, string $attribute, $value)
{
$attributeModifiers = $auditable->getAttributeModifiers();
if (!array_key_exists($attribute, $attributeModifiers)) {
return $value;
}
$attributeDecoder = $attributeModifiers[$attribute];
if (is_subclass_of($attributeDecoder, AttributeEncoder::class)) {
return call_user_func([$attributeDecoder, 'decode'], $value);
}
return $value;
}
/**
* {@inheritdoc}
*/
public function getMetadata(bool $json = false, int $options = 0, int $depth = 512)
{
if (empty($this->data)) {
$this->resolveData();
}
$metadata = [];
foreach ($this->metadata as $key) {
$value = $this->getDataValue($key);
$metadata[$key] = $value;
if ($value instanceof DateTimeInterface) {
$metadata[$key] = !is_null($this->auditable) ? $this->auditable->serializeDate($value) : $this->serializeDate($value);
}
}
return $json ? json_encode($metadata, $options, $depth) : $metadata;
}
/**
* {@inheritdoc}
*/
public function getModified(bool $json = false, int $options = 0, int $depth = 512)
{
if (empty($this->data)) {
$this->resolveData();
}
$modified = [];
foreach ($this->modified as $key) {
$attribute = substr($key, 4);
$state = substr($key, 0, 3);
$value = $this->getDataValue($key);
$modified[$attribute][$state] = $value;
if ($value instanceof DateTimeInterface) {
$modified[$attribute][$state] = !is_null($this->auditable) ? $this->auditable->serializeDate($value) : $this->serializeDate($value);
}
}
return $json ? json_encode($modified, $options, $depth) : $modified;
}
/**
* Get the Audit tags as an array.
*
* @return array
*/
public function getTags(): array
{
return preg_split('/,/', $this->tags, -1, PREG_SPLIT_NO_EMPTY);
}
}