42 lines
733 B
PHP
42 lines
733 B
PHP
<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Collection;
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use Illuminate\Database\Eloquent\Model;
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class Tax extends Model
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{
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public $timestamps = FALSE;
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/* RELATIONS */
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public function country()
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{
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return $this->belongsTo(Country::class);
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}
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/* METHODS */
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/**
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* Calculate Tax on a value, and return that value with tax applied
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*
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* @param float $value
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* @param Collection $taxes
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* @return float
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*/
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public static function calc(float $value,Collection $taxes): float
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{
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$tax = 0;
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foreach ($taxes as $o) {
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// Quick sanity check
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if (! $o instanceof self)
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abort(500,'Invalid object for tax calculation');
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$tax += round($value*$o->rate,2);
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}
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return round($value+$tax,2);
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}
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} |