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calculate average in eager loading laravel

Brightstar answered on April 1, 2021 Popularity 3/10 Helpfulness 1/10

answer calculate average in eager loading laravel

calculate average in eager loading laravel

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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;
}

Popularity 3/10 Helpfulness 1/10 Language php

Source: stackoverflow.com

Tags: average eager-loading laravel php

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