best match result query in yii2 - php

Question

i have table named books and want to display "related books" in books view.
books table
`book_id`
`isbn`
`book_name`
`author_name`
`Date`
`number`
`language`
`Translator`
`abstract`
`picture`
`created_at`
controller code
public function actionView($id)
{
$model=$this->findModel($id);
$dataProvider=$this->related($model);
return $this->render('view', [
'model' => $model,
'dataProvider' => $dataProvider,
]);
}
protected function related($model)
{
$query = Books::find();
$query->select('book_id,picture, book_name,author_name,(( author_name LIKE \'%'.$model->author_name.'%\')+( book_name LIKE \'%'.$model->book_name.'%\')) as total')
->orFilterwhere(['or like','author_name' , explode(' ',$model->author_name)])
->orFilterwhere(['or like','book_name' , explode(' ',$model->book_name)])
->orderBy('total')
->limit(25);
$dataProvider = new ActiveDataProvider([
'query' => $query,
]);
problom :
book_name LIKE \'%'.$model->book_name.'%\' did not accept array.
something like LIKE \'%'.explode(' ',$model->book_name).'%\'
its must be an array to work correctly.
how can i use array in select condition .
or show me some other way to get best match result on top.
tnx

Answer 1

First If you want Total no need to write where condition in select
$query->select('book_id,picture, book_name,author_name,(book_name+author_name) as total');
$model->author_name And $model->book_name is Array So you can do as below.
protected function related($model)
{
$query = Books::find();
$query->select('book_id,picture, book_name,author_name,(book_name+author_name) as total');
$author_names= explode(' ',$model->author_name);
foreach($author_names as $author_name)
{
$query->orFilterwhere(['like','author_name' , $author_name]);
}
$book_names=explode(' ',$model->book_name);
foreach($book_names as $book_name)
{
$query->orFilterwhere(['like','book_name' , $book_name]);
}
->orderBy('total')
->limit(25);
$dataProvider = new ActiveDataProvider([
'query' => $query,
]);
}

Answer 2

You need to use MySQL match() against() feature (or substitute if you're using different DB).
$query = Books::find();
$query->select([
'book_id,picture', 'book_name', 'author_name',
new Expression('MATCH (author_name) AGAINST (:author_name) + MATCH (book_name) AGAINST (:book_name) AS total', [
'author_name' => $this->author_name,
'book_name' => $this->book_name,
]),
]);
if (!empty($this->author_name)) {
$query->andWhere(new Expression('MATCH (author_name) AGAINST (:author_name)', [
'author_name' => $this->author_name,
]));
}
if (!empty($this->book_name)) {
$query->andWhere(new Expression('MATCH (book_name) AGAINST (:book_name)', [
'book_name' => $this->book_name,
]));
}
$query->orderBy('total DESC')
->limit(25);
$dataProvider = new ActiveDataProvider([
'query' => $query,
]);