portal-api/app/Services/Customer/CustomerWalletService.php

<?php

namespace App\Services\Customer;

use App\Enums\TransactionStatus;
use App\Models\Customer;
use App\Models\Log;
use App\Models\Transaction;
use App\Models\User;
use App\Repositories\Customer\CustomerRepositoryInterface;
use App\Services\Customer\Concerns\ResolvesCustomer;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Str;

class CustomerWalletService
{
    use ResolvesCustomer;

    public function __construct(
        private readonly CustomerRepositoryInterface $customerRepository,
    ) {}

    public function adjustCredit(string $uuid, User $admin, int $amount, bool $isAdd): Customer
    {
        $customer = $this->resolveCustomer($uuid);

        return DB::transaction(function () use ($customer, $admin, $amount, $isAdd) {
            $this->customerRepository->update($customer->id, [
                'credit' => (int) $customer->credit + ($isAdd ? $amount : -$amount),
                'total' => (int) $customer->total + ($isAdd ? $amount : -$amount),
            ]);

            $this->recordTransaction(
                $customer,
                $admin,
                $amount,
                $isAdd ? 'admin_add_credit' : 'admin_deduct_credit',
                sprintf(
                    '%s %s tiền trực tiếp cho khách hàng: %s VNĐ',
                    $admin->username ?? $admin->email ?? 'Admin',
                    $isAdd ? 'cộng' : 'trừ',
                    number_format($amount),
                ),
            );

            return $customer->fresh();
        });
    }

    public function addTotal(string $uuid, User $admin, int $amount, string $note, string $clientIp): Transaction
    {
        $customer = $this->resolveCustomer($uuid);

        return DB::transaction(function () use ($customer, $admin, $amount, $note, $clientIp) {
            $transaction = $this->recordTransaction(
                $customer,
                $admin,
                $amount,
                'admin_add_total',
                $note,
            );

            $customer->update(['total' => (int) $customer->total + $amount]);

            Log::create([
                'agent' => 'admin',
                'client_ip' => $clientIp,
                'description' => sprintf(
                    '%s cộng tiền trực tiếp cho customer %s: %s VNĐ - %s',
                    $admin->username ?? $admin->email,
                    $customer->email,
                    number_format($amount),
                    $note,
                ),
                'customer_id' => $customer->id,
            ]);

            return $transaction;
        });
    }

    private function recordTransaction(Customer $customer, User $admin, int $amount, string $type, string $note): Transaction
    {
        return Transaction::create([
            'uuid' => (string) Str::uuid(),
            'public_code' => Transaction::newPublicCode('ADM'),
            'trans' => 'ADMIN' . now()->format('YmdHis'),
            'amount' => $amount,
            'customer_id' => $customer->id,
            'user_id' => $admin->id,
            'status' => TransactionStatus::COMPLETED->value,
            'type' => $type,
            'note' => $note,
        ]);
    }
}