dstpabuaran.com/app/Services/Concerns/HasStockAdjustment.php

76 lines
2.7 KiB
PHP

<?php
namespace App\Services\Concerns;
use App\Enums\ProductStockQuality;
use App\Models\ProductVariant;
use App\Services\StockMutationService;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;
use Illuminate\Validation\ValidationException;
trait HasStockAdjustment
{
private const QUALITY_STOCK_MAP = [
ProductStockQuality::GOOD->value => 'stock',
ProductStockQuality::REJECT->value => 'reject_stock',
ProductStockQuality::RETAIL->value => 'retail_stock',
];
private function adjustStock(Model $model, string $field, int $quantity, int $sign, ?Model $source = null, ?string $description = null): void
{
$before = (int) $model->{$field};
if ($sign > 0) {
$model->increment($field, $quantity);
} else {
if ($before < $quantity) {
$label = match ($field) {
'stock' => 'stok bagus',
'reject_stock' => 'stok reject',
'retail_stock' => 'stok ecer',
default => $field,
};
throw ValidationException::withMessages([
'stock' => "Stok {$label} tidak mencukupi. Tersedia: {$model->{$field}}, dibutuhkan: {$quantity}.",
]);
}
$model->decrement($field, $quantity);
}
app(StockMutationService::class)->record(
model: $model,
type: $sign > 0 ? 'in' : 'out',
quantity: $sign * $quantity,
stockBefore: $before,
stockAfter: $before + ($sign * $quantity),
stockQuality: StockMutationService::qualityFromField($field),
description: $description ?? 'Perubahan stok',
source: $source,
);
}
private function adjustVariantStock(int $variantId, int $quantity, int $sign, string $stockType, ?Model $source = null, ?string $description = null): void
{
$field = self::QUALITY_STOCK_MAP[$stockType] ?? 'stock';
$this->adjustStock(
model: app(ProductVariant::class)->newQuery()->findOrFail($variantId),
field: $field,
quantity: $quantity,
sign: $sign,
source: $source,
description: $description,
);
}
private function applyStock(array $items, string $stockType, int $sign, ?Model $source = null, ?string $description = null): void
{
DB::transaction(function () use ($items, $stockType, $sign, $source, $description) {
foreach ($items as $item) {
$this->adjustVariantStock($item['product_variant_id'], $item['quantity'], $sign, $stockType, $source, $description);
}
});
}
}