45 lines
1.1 KiB
PHP
45 lines
1.1 KiB
PHP
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<?php
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namespace App\Rules;
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use App\Models\Portfolio;
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use Illuminate\Contracts\Validation\ValidationRule;
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class QuantityValidationRule implements ValidationRule
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{
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/**
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* Create a new rule instance.
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*
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* @return void
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*/
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public function __construct(
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protected Portfolio $portfolio,
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protected string $symbol,
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protected string $transactionType
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) {
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$this->portfolio = $portfolio;
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$this->symbol = $symbol;
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$this->transactionType = $transactionType;
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}
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/**
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* Validate the attribute.
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*
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* @param string $attribute
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* @param mixed $value
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* @param \Closure $fail
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* @return void
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*/
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public function validate(string $attribute, mixed $value, \Closure $fail): void
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{
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if ($this->transactionType == 'SELL') {
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$holding = $this->portfolio->holdings()->symbol($this->symbol)->first();
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$maxQuantity = $holding ? $holding->quantity : 0;
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if ($value > $maxQuantity) {
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$fail(__('The quantity must not be greater than the available quantity.'));
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}
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}
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}
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}
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