opensourcepos/app/Models/Customer_rewards.php

<?php

namespace App\Models;

use CodeIgniter\Database\ResultInterface;
use CodeIgniter\Model;

/**
 * Customer_rewards class
 */
class Customer_rewards extends Model
{
    protected $table = 'customer_packages';
    protected $primaryKey = 'package_id';
    protected $useAutoIncrement = true;
    protected $useSoftDeletes = false;
    protected $allowedFields = [
        'package_name',
        'points_percent',
        'deleted'
    ];

    /**
     * @param int $package_id
     * @return bool
     */
    public function exists(int $package_id): bool
    {
        $builder = $this->db->table('customers_packages');
        $builder->where('package_id', $package_id);

        return ($builder->get()->getNumRows() >= 1);
    }

    /**
     * @param array $package_data
     * @param int $package_id
     * @return bool
     */
    public function save_value(array $package_data, int $package_id): bool
    {
        $package_data_to_save = [
            'package_name' => $package_data['package_name'],
            'deleted' => 0,
            'points_percent' => $package_data['points_percent']
        ];

        if(!$this->exists($package_id))
        {
            $builder = $this->db->table('customers_packages');
            return $builder->insert($package_data_to_save);
        }

        $builder = $this->db->table('customers_packages');
        $builder->where('package_id', $package_id);

        return $builder->update($package_data_to_save);
    }

    /**
     * @param int $package_id
     * @return string
     */
    public function get_name(int $package_id): string
    {
        $builder = $this->db->table('customers_packages');
        $builder->where('package_id', $package_id);

        return $builder->get()->getRow()->package_name;
    }

    /**
     * @param int $package_id
     * @return float
     */
    public function get_points_percent(int $package_id): float
    {
        $builder = $this->db->table('customers_packages');
        $builder->where('package_id', $package_id);

        return $builder->get()->getRow()->points_percent;
    }

    /**
     * @return ResultInterface
     */
    public function get_all(): ResultInterface
    {
        $builder = $this->db->table('customers_packages');
        $builder->where('deleted', 0);

        return $builder->get();
    }

    /**
    * Deletes one reward package
    */
    public function delete($package_id = null, bool $purge = false): bool
    {
        $builder = $this->db->table('customers_packages');
        $builder->where('package_id', $package_id);

        return $builder->update(['deleted' => 1]);
    }
}