public function actionDiff($document_history_id)
{
$model = History::findOne($document_history_id);
if (is_null($model)) {
throw new \yii\web\HttpException(404, Yii::t('burivuh', 'Record in the history does not exist'));
}
$document = Document::findOne($model->document_id);
$previous = History::find()->where(['document_id' => $model->document_id])->andWhere('created_at<:created_at', [':created_at' => $model->created_at])->orderBy('created_at DESC')->limit(1)->one();
$diffs = [];
if (!is_null($previous)) {
$dmp = new DiffMatchPatch();
$diffs = $dmp->diff_main($previous->content, $model->content, false);
}
return $this->render('diff', ['document' => $document, 'model' => $model, 'previous' => $previous, 'diffs' => $diffs]);
}
public function getHistory()
{
return $this->hasMany(History::className(), ['document_id' => 'document_id'])->orderBy('created_at DESC');
}
