/PHP/Laravel/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 vote197 views1 answer
Order table in laravel
PHP Laravel
16 votes237 views2 answers
Laravel/ui v3.0.0 requires php ^7.3 -> your php version (8.0.2) does not satisfy that requirement.
PHP Laravel
7 votes208 views4 answers
Str slug laravel
PHP Laravel
12 votes204 views6 answers
Run seeder in migration laravel
PHP Laravel
1 vote197 views1 answer
Laravel latest
PHP Laravel
3 votes223 views2 answers
Custom 404 page in laravel
PHP Laravel
0 vote229 views1 answer
Group where conditions in laravel
PHP Laravel
0 vote209 views1 answer
Laravel request file empty
PHP Laravel
0 vote200 views1 answer
Add controller to laravel with requests
PHP Laravel
16 votes215 views2 answers
Laravel create or update eloquesnt
PHP Laravel