invoiceninja/app/Ninja/Repositories/TaxRateRepository.php

<?php

namespace App\Ninja\Repositories;

use DB;
use App\Models\TaxRate;

/**
 * Class TaxRateRepository
 */
class TaxRateRepository extends BaseRepository
{
    /**
     * @return string
     */
    public function getClassName()
    {
        return 'App\Models\TaxRate';
    }

    /**
     * @param $accountId
     *
     * @return $this
     */
    public function find($accountId)
    {
        return DB::table('tax_rates')
                ->where('tax_rates.account_id', '=', $accountId)
                ->where('tax_rates.deleted_at', '=', null)
                ->select('tax_rates.public_id', 'tax_rates.name', 'tax_rates.rate', 'tax_rates.deleted_at');
    }

    /**
     * @param array $data
     * @param TaxRate|null $taxRate
     *
     * @return TaxRate|mixed
     */
    public function save(array $data, TaxRate $taxRate = null)
    {
        if ($taxRate) {
            // do nothing
        } elseif (isset($data['public_id'])) {
            $taxRate = TaxRate::scope($data['public_id'])->firstOrFail();
            \Log::warning('Entity not set in tax rate repo save');
        } else {
            $taxRate = TaxRate::createNew();
        }
        
        $taxRate->fill($data);
        $taxRate->save();

        return $taxRate;
    }
}