<?php

/**
 * This is the model class for table "subways".
 *
 * @property integer $id
 * @property string $name
 * @property string $created_at
 * @property string $updated_at
 * @property boolean $newRecord
 */
class Subway implements ImportRecord
{
    public $id;
    public $name;
    public $created_at;
    public $updated_at;
    public $newRecord;

    /**
     * Subway constructor.
     */
    public function __construct()
    {
        $this->newRecord = true;
    }


    public function save()
    {
        try {
            if ($this->newRecord) {
                if (!isset($this->id)) {
                    $sql = "INSERT INTO subways (name, created_at) VALUES ('" . $this->name . "', NOW())";
                } else {
                    $sql = "INSERT INTO subways (id, name, created_at) VALUES ('" . $this->id . "', '" . $this->name . "', NOW())";
                }
                mysql_query($sql);
                $err = mysql_errno();
                if ($err > 0) {
                    echo mysql_error();
                    return false;
                }
                if (!isset($this->id)) {
                    $this->id = mysql_insert_id();
                }
            } else {
                $sql = "UPDATE subways SET name = '" . $this->name . "', updated_at = NOW() WHERE id = '" . $this->id . "'";
                mysql_query($sql);
                $err = mysql_errno();
                if ($err > 0) {
                    echo mysql_error();
                    return false;
                }
            }

            return true;
        } catch (Exception $e) {
            echo $e->getMessage();
            return false;
        }
    }

    public function getIsNewRecord()
    {
        return $this->newRecord;
    }

    public static function deleteAll($condition = '')
    {
        throw new Exception("deleteALL not implemented");
    }

    public static function className()
    {
        return get_called_class();
    }

    public static function findOne($id)
    {
        $sql = "SELECT * FROM subways WHERE id='$id'";
        $rez = mysql_query($sql);
        if (mysql_num_rows($rez)) {
            $subway = new Subway();
            $subway->newRecord = false;
            $dbObject = mysql_fetch_array($rez);
            $subway->id = $dbObject['id'];
            $subway->name = $dbObject['name'];
            $subway->created_at = $dbObject['created_at'];
            $subway->updated_at = $dbObject['updated_at'];

            return $subway;
        }

        return null;
    }

    public static function getElementsList($temp_region)
    {
        $user = new User;
        $user->get($_SESSION['id']);

        if(isset($temp_region)) {
            $region_sql = $temp_region;
        } else {
            $region_sql = $user->region_rf_id;
        }

        $sql = "SELECT * FROM subways WHERE rf_region_id = $region_sql ORDER BY name";
        $rez = mysql_query($sql);

        $subways = array();
        if (mysql_num_rows($rez) > 0) {
            while ($dbObject = mysql_fetch_assoc($rez)) {
                $subway = new Subway();
                $subway->newRecord = false;
                $subway->id = $dbObject['id'];
                $subway->name = $dbObject['name'];
                $subway->created_at = $dbObject['created_at'];
                $subway->updated_at = $dbObject['updated_at'];
                $subways[] = $subway;
            }
        }

        return $subways;
    }

}