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<?php
/**
* @link https://www.humhub.org/
* @copyright Copyright (c) 2021 HumHub GmbH & Co. KG
* @license https://www.humhub.com/licences
*/
namespace humhub\modules\file\models;
use humhub\components\ActiveRecord;
use humhub\modules\user\models\User;
/**
* This is the model class for table "file_history".
*
* @property int $id
* @property int $file_id
* @property int $size
* @property string $hash_sha1
* @property string|null $created_at
* @property int|null $created_by
*
* @property File $file
* @property User $createdBy
*
* @since 1.10
*/
class FileHistory extends ActiveRecord
{
const VARIANT_PREFIX = 'old-';
/**
* {@inheritdoc}
*/
public static function tableName()
{
return 'file_history';
}
/**
* {@inheritdoc}
*/
public function rules()
{
return [
[['file_id', 'size', 'hash_sha1'], 'required'],
[['file_id', 'size'], 'integer'],
[['hash_sha1'], 'string', 'max' => 40],
[['file_id'], 'exist', 'skipOnError' => true, 'targetClass' => File::class, 'targetAttribute' => ['file_id' => 'id']],
];
}
/**
* Gets query for [[File]].
*
* @return \yii\db\ActiveQuery
*/
public function getFile()
{
return $this->hasOne(File::class, ['id' => 'file_id']);
}
/**
* Gets query for [[CreatedBy]].
*
* @return \yii\db\ActiveQuery
*/
public function getCreatedBy()
{
return $this->hasOne(User::class, ['id' => 'created_by']);
}
/**
* @return string
*/
public function getFileUrl()
{
return $this->file->getUrl($this->getFileVariantId());
}
/**
* @return string
*/
public function getFileStorePath()
{
return $this->file->store->get($this->getFileVariantId());
}
/**
* @return string
*/
public function getFileVariantId()
{
return static::VARIANT_PREFIX . $this->id;
}
/**
* Checks if the file histories has been enabled for a given file.
*
* @param File $file
* @return bool
* @throws \yii\db\IntegrityException
*/
public static function isEnabled(File $file)
{
if (!$file->isNewRecord && $file->isAssigned()) {
/** @var ActiveRecord $record */
$record = $file->getPolymorphicRelation();
if ($record->fileManagerEnableHistory) {
return true;
}
}
return false;
}
/**
* Copies the current contents of a file to the history.
*
* @param File $file
* @return bool
*/
public static function createEntryForFile(File $file): bool
{
$entry = new static;
$entry->file_id = $file->id;
$entry->created_by = empty($file->old_updated_by) ? $file->updated_by : $file->old_updated_by;
$entry->created_at = empty($file->old_updated_at) ? $file->updated_at : $file->old_updated_at;
if ($file->store->has()) {
$entry->hash_sha1 = sha1_file($file->store->get());
$entry->size = filesize($file->store->get());
}
if ($entry->save()) {
$file->store->setByPath($file->store->get(), $entry->getFileVariantId());
return true;
}
return false;
}
/**
* @inheritdoc
*/
public function afterDelete()
{
$this->file->store->delete($this->getFileVariantId());
parent::afterDelete();
}
}
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