shopit-back/app/Domains/Ticket/Services/BackfillRefundedUnitsServic...

122 lines
5.2 KiB
PHP

<?php
namespace App\Domains\Ticket\Services;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use RuntimeException;
class BackfillRefundedUnitsService
{
/** @return array<string, int> */
public function run(): array
{
$summary = DB::transaction(function (): array {
if (DB::table('inventories')->where('refunded_units', '>', 0)->exists()) {
throw new RuntimeException('El backfill requiere que refunded_units sea cero en todos los inventarios.');
}
$counts = [];
$variants = [];
$refundsSeen = 0;
$bundlesSkipped = 0;
DB::table('ticket_refunds as refunds')
->join('tickets', 'tickets.id', '=', 'refunds.ticket_id')
->join('compra_items as purchase_items', 'purchase_items.id', '=', 'refunds.purchase_item_id')
->leftJoin('catalog_items as purchase_catalog', 'purchase_catalog.id', '=', 'purchase_items.source_catalog_item_id')
->leftJoin('catalog_items as ticket_catalog', 'ticket_catalog.id', '=', 'tickets.source_catalog_item_id')
->select([
'refunds.id',
'refunds.ticket_id',
'tickets.source_variant_id',
'ticket_catalog.inventory_id',
'ticket_catalog.inventory_policy',
'ticket_catalog.type as ticket_catalog_type',
'purchase_catalog.type as purchase_catalog_type',
])
->chunkById(500, function ($refunds) use (&$counts, &$variants, &$refundsSeen, &$bundlesSkipped): void {
foreach ($refunds as $refund) {
$refundsSeen++;
if ($refund->ticket_catalog_type === 'bundle' || $refund->purchase_catalog_type === 'bundle') {
$bundlesSkipped++;
continue;
}
if ($refund->inventory_policy === null) {
throw new RuntimeException("El reembolso {$refund->id} no tiene un producto de catálogo asociado.");
}
$inventoryId = $refund->source_variant_id === null
? $refund->inventory_id
: $this->currentVariantInventoryId((int) $refund->source_variant_id, $variants);
if ($inventoryId === null) {
throw new RuntimeException("El reembolso {$refund->id} no tiene un inventario asociado.");
}
$counts[$inventoryId]['refunded'] = ($counts[$inventoryId]['refunded'] ?? 0) + 1;
if ($refund->inventory_policy === 'tracked') {
$counts[$inventoryId]['stock'] = ($counts[$inventoryId]['stock'] ?? 0) + 1;
}
}
}, 'refunds.id', 'id');
foreach ($counts as $inventoryId => $count) {
$updates = ['refunded_units' => DB::raw('refunded_units + '.$count['refunded'])];
if (($count['stock'] ?? 0) > 0) {
$updates['real_stock'] = DB::raw('real_stock + '.$count['stock']);
}
if (DB::table('inventories')->where('id', $inventoryId)->update($updates) !== 1) {
throw new RuntimeException("No se encontró el inventario {$inventoryId} para reponerlo.");
}
}
$refundedUnitsAdded = array_sum(array_column($counts, 'refunded'));
return [
'refunds_seen' => $refundsSeen,
'refunds_applied' => $refundedUnitsAdded,
'bundles_skipped' => $bundlesSkipped,
'inventories_updated' => count($counts),
'refunded_units_added' => $refundedUnitsAdded,
'real_stock_added' => array_sum(array_column($counts, 'stock')),
];
});
Log::info('inventory.refunded_units_backfill.completed', $summary);
return $summary;
}
/** @param array<int, object|null> $variants */
private function currentVariantInventoryId(int $variantId, array &$variants): ?int
{
$visited = [];
while (true) {
if (isset($visited[$variantId])) {
throw new RuntimeException("La cadena de reemplazos de la variante {$variantId} es circular.");
}
$visited[$variantId] = true;
if (! array_key_exists($variantId, $variants)) {
$variants[$variantId] = DB::table('variantes')
->where('id', $variantId)
->first(['inventory_id', 'replaced_by_variant_id']);
}
$variant = $variants[$variantId];
if ($variant === null) {
throw new RuntimeException("No se encontró la variante {$variantId} de un ticket reembolsado.");
}
if ($variant->replaced_by_variant_id === null) {
return $variant->inventory_id === null ? null : (int) $variant->inventory_id;
}
$variantId = (int) $variant->replaced_by_variant_id;
}
}
}