/PHP/Calculate average in eager loading laravel

Calculate average in eager loading laravel

public function reviewRows()
{
    return $this->hasManyThrough('ReviewRow', 'Review');
}

public function avgRating()
{
    return $this->reviewRows()
      ->selectRaw('avg(rating) as aggregate, product_id')
      ->groupBy('product_id');
}

public function getAvgRatingAttribute()
{
    if ( ! array_key_exists('avgRating', $this->relations)) {
       $this->load('avgRating');
    }

    $relation = $this->getRelation('avgRating')->first();

    return ($relation) ? $relation->aggregate : null;
}

Source: stackoverflow.com

Similar codes

0 vote211 views1 answer
Laravel favicon
PHP Laravel
1 vote191 views4 answers
In_array validation laravel
PHP Laravel
0 vote187 views1 answer
Add data in textarea with php variable
PHP
8 votes153 views1 answer
Add 0 before number in php
PHP
2 votes215 views2 answers
How to get previous page name in php
PHP
38 votes181 views6 answers
Laravel foreign key
PHP
0 vote234 views1 answer
Laravel filesystem link
PHP
7 votes190 views10 answers
Php .com
PHP
0 vote186 views1 answer
Php check jwt token expired
PHP
40 votes201 views6 answers
Do while php
PHP