<?php
class Service_OrdersLabel extends Common_Service
{
    /**
     * @var null
     */
    public static $_modelClass = null;

    /**
     * @return Table_Bank|null
     */
    public static function getModelInstance()
    {
        if (is_null(self::$_modelClass)) {
            self::$_modelClass = new Table_OrdersLabel();
        }
        return self::$_modelClass;
    }

    /**
     * @param $row
     * @return mixed
     */
    public static function add($row)
    {
        $model = self::getModelInstance();
        return $model->add($row);
    }


    /**
     * @param $row
     * @param $value
     * @param string $field
     * @return mixed
     */
    public static function update($row, $value, $field = "ol_id")
    {
        $model = self::getModelInstance();
        return $model->update($row, $value, $field);
    }

    /**
     * @param $value
     * @param string $field
     * @return mixed
     */
    public static function delete($value, $field = "ol_id")
    {
        $model = self::getModelInstance();
        return $model->delete($value, $field);
    }

    /**
     * @param $value
     * @param string $field
     * @param string $colums
     * @return mixed
     */
    public static function getByField($value, $field = 'ol_id', $colums = "*")
    {
        $model = self::getModelInstance();
        return $model->getByField($value, $field, $colums);
    }

    /**
     * @return mixed
     */
    public static function getAll()
    {
        $model = self::getModelInstance();
        return $model->getAll();
    }


    /**
     * @param $val
     * @return array
     */
    public static function validator($val)
    {
        $validateArr = $error = array();
        
        return  Common_Validator::formValidator($validateArr);
    }


    /**
     * @param array $params
     * @return array
     */
    public  function getFields()
    {
        $row = array(
              'E0'=>'ol_id',
              'E1'=>'order_code',
              'E2'=>'ol_content',
              'E3'=>'ol_time',
        );
        return $row;
    }

}