<?php
/**
 * Created by IntelliJ IDEA.
 * User: root
 * Date: 8/15/13
 * Time: 11:17 AM
 * To change this template use File | Settings | File Templates.
 */

class Cache {

    public function isCached($id){
         $cachePath = Settings::$CachePath;

         $result = (file_exists($cachePath. DIRECTORY_SEPARATOR .$id)) ? true : false;

         return $result;
    }

    public function urlToId($url){

        $clean = preg_replace("/[^a-zA-Z0-9\/_|+ -]/", '', $url);
        //$clean = strtolower(trim($clean, '-'));
        $clean = preg_replace("/[\/_|+ -]+/", '_', $clean);

        return $clean;
    }

    public function CacheHttpVideo($url){

        $id = $this->urlToId($url);

        if(file_exists(Settings::$CachePath . $id . ".part")){
           return false;
        }

        $speed = Settings::$CacheDownloadMaxSpeed;
        $r = "";
        if($speed){
           $r = " -r $speed ";
        }

        $command = Settings::$YoutubeDlCommand . " $r -o '" . Settings::$CachePath . "$id" .  "' $url";

        $output = exec($command);
        echo "$output";

    }

}