freakimkaefig/Music-XML-Analyzer

<?php

/**
 * Model for representation of uploaded files
 *
 * @package     Models
 */
class Upload extends Eloquent {

    /**
     * String containing the database table
     * @var string
     */
    protected $table = 'uploads';

    /**
     * Controlling soft delete
     * @var bool
     */
    protected $softDelete = false;

    /**
     * Array with fillable fields
     * @var array
     */
    protected $fillable = array('url');


    /**
     * Function to retrieve associated upload
     * @return     \User     The user model associated
     */
    public function user() {
        return $this->belongsTo('User');
    }

    /**
     * Function to retrieve associated result
     * @return     \Result     The result model associated
     */
    public function result() {
        return $this->hasOne('Result');
    }

    /**
     * Function to get the file name
     * @return     string     The filename
     */
    public function name() {
        $path = explode('/', $this->url);
        return $path[count($path) - 1];
    }

    /**
     * Function to get the filesize
     * @return     string     The filesize
     */
    public function filesize() {
        // Assume failure
        $result = -1;

        $curl = curl_init( $this->url );

        curl_setopt( $curl, CURLOPT_NOBODY, true );
        curl_setopt( $curl, CURLOPT_HEADER, true );
        curl_setopt( $curl, CURLOPT_RETURNTRANSFER, true );
        curl_setopt( $curl, CURLOPT_FOLLOWLOCATION, true );
        curl_setopt( $curl, CURLOPT_USERAGENT, get_user_agent_string() );

        $data = curl_exec( $curl );
        curl_close( $curl );

        if( $data ) {
            $content_length = "unknown";
            $status = "unknown";

            if( preg_match( "/^HTTP\/1\.[01] (\d\d\d)/", $data, $matches ) ) {
                $status = (int)$matches[1];
            }

            if( preg_match( "/Content-Length: (\d+)/", $data, $matches ) ) {
                $content_length = (int)$matches[1];
            }

            if( $status == 200 || ($status > 300 && $status <= 308) ) {
                $result = $content_length;
            }
        }
        return $result;
    }

    /**
     * Function to recursively remove a directory
     * @return     bool     Returns false if operation fails
     */
    public static function delTree($dir) {
        if (is_dir($dir)) {
            $files = array_diff(scandir($dir), array('.','..'));
            foreach ($files as $file) {
                (is_dir("$dir/$file")) ? delTree("$dir/$file") : unlink("$dir/$file");
            }
            return rmdir($dir);
        } else {
            return false;
        }
    }
}