<?php

class ObjectCabinet {

    public static function getCabinetObjCompetitors($mdb, $objectId) {
        $cabinetObjCompetitors = [];

        if (isset($objectId) && is_numeric($objectId)) {
            $sqlCabinetInfo = "SELECT * FROM object_cabinet WHERE object_id=$objectId";
            $rezCabinetRez = mysql_query($sqlCabinetInfo, $mdb);

            if (mysql_num_rows($rezCabinetRez) > 0) {
                $cabinetObj = mysql_fetch_assoc($rezCabinetRez);

                if (isset($cabinetObj) && isset($cabinetObj['id'])) {
                    $sqlCabinetCompetitors = "SELECT * FROM object_cabinet_competitor WHERE object_cabinet_id=$cabinetObj[id]";
                    $rezCabinetCompetitorsRez = mysql_query($sqlCabinetCompetitors, $mdb);
                    while ($competitor = mysql_fetch_assoc($rezCabinetCompetitorsRez)) {
                        $cabinetObjCompetitors[] = $competitor;
                    }
                }
            }
        }

        return $cabinetObjCompetitors;
    }

    public static function getCabinetObjCompetitorsAsObjectIds($mdb, $objectId) {
        $cabinetObjCompetitors = ObjectCabinet::getCabinetObjCompetitors($mdb, $objectId);

        $resultsAsIds = [];

        if (isset($cabinetObjCompetitors) && count($cabinetObjCompetitors) > 0) {
            foreach ($cabinetObjCompetitors as $competitor) {

                //проверяем наличие объекта в БД
                $sql = "SELECT id FROM objects where id = " .$competitor['competitor_object_id'];
                $resSql = mysql_query($sql, $mdb);
                if (mysql_num_rows($resSql)) {
                    //если есть - добавляем
                    $resultsAsIds[] = $competitor['competitor_object_id'];
                }
            }
        }

        return $resultsAsIds;
    }
}