/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 vote161 views1 answer
Laravel @extends
PHP Laravel
0 vote135 views2 answers
Laravel gmail send mail 2020
PHP Laravel
0 vote111 views1 answer
Subtract some days php
PHP
1 vote134 views1 answer
Config clear laravel
PHP Laravel
6 votes108 views2 answers
Laravel findorfail
PHP
32 votes131 views6 answers
Date in php
PHP
0 vote167 views1 answer
Convert time to 24 hour format laravel
PHP Laravel
7 votes142 views3 answers
Call table name in model laravel
PHP Laravel
1 vote132 views1 answer
How can get url from $request in laravel
PHP Laravel
48 votes124 views6 answers
Laravel join table
PHP