maher
26 lines
828 B
PHP
Executable File
26 lines
828 B
PHP
Executable File
<?php
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namespace Common\Votes;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Support\Facades\DB;
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trait OrdersByWeightedScore
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{
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public function scopeOrderByWeightedScore(
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Builder $query,
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$direction = 'desc',
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string $positiveCol = 'upvotes',
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string $negativeCol = 'downvotes',
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): Builder {
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return $query
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->select($query->getQuery()->columns ?? '*')
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->addSelect([
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DB::raw(
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"(($positiveCol + 1.9208) / ($positiveCol + $negativeCol) -.96 * SQRT(($positiveCol * $negativeCol) / ($positiveCol + $negativeCol) + 0.9604) / ($positiveCol + $negativeCol)) / (1 + 3.8416 / ($positiveCol + $negativeCol)) AS weighted_score",
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),
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])
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->orderBy('weighted_score', $direction);
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}
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}
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