/common/components/CUtils.php

<?php



/**

 * Description of CUtils

 *

 * @author Nguyen Chi Thuc

 */

class CUtils {

    //put your code here

    public static $STREAMING_HTTP = 0;

    public static $STREAMING_RTSP = 1;

    public static $STREAMING_HLS  = 2;

    public static $STREAMING_RTMP = 3;

    

    /**

     * Log a msg as custom level "CUtils::Debug"

     * You need to add this level ("CUtils::Debug") to log component in config/main.php :

     * <code>

     * 'log'=>array(

	 *		'class'=>'CLogRouter',

	 *		'routes'=>array(

	 *			array(

	 *				'class'=>'CFileLogRoute',

	 *				'levels'=>'error, warning, <b>CUtils::Debug</b>',

	 *			),

	 *			array('class'=>'CWebLogRoute',),

	 *		),

     * </code>

     * @param string $msg 

     */

    public static function Debug($msg, $category="-=Thuc=-") {

        Yii::log($msg, 'CUtils::Debug', $category);

    }

    

    public static function randomString($length=32, $chars="abcdefghijklmnopqrstuvwxyz0123456789") {

        $max_ind = strlen($chars)-1;

        $res = "";

        for ($i =0; $i < $length; $i++) {

            $res .= $chars{rand(0, $max_ind)};

        }

        

        return $res;

    }

    

    public static function encrypt($str) {

        return md5($str);

    }

    

    public static function loadVodPoster($asset) {

    	$data = VodAsset::getVODImages($asset['id']);

    	$posters = array();

    	foreach ($data as $poster) {

    		$orientation = $poster->orientation == 1 ? "poster_port" : "poster_land";

    		$posters[$orientation] = $poster->url;

    	}

    	return array_merge($asset, $posters);

    }

    

    public static function timeElapsedString($ptime) {

	    $etime = time() - $ptime;

	    

	    if ($etime < 1) {

	        return '0 giây';

	    }

	    

	    $a = array( 12 * 30 * 24 * 60 * 60  => 'năm',

	                30 * 24 * 60 * 60       => 'tháng',

	                24 * 60 * 60            => 'ngày',

	                60 * 60                 => 'giờ',

	                60                      => 'phút',

	                1                       => 'giây'

	                );

	    

	    foreach ($a as $secs => $str) {

	        $d = $etime / $secs;

	        if ($d >= 1) {

	            $r = round($d);

	            return $r . ' ' . $str . ' trước';

	        }

	    }

	}

	

	public static function convertMysqlToTimestamp($dateString) {

		$format = '@^(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2}) (?P<hour>\d{2}):(?P<minute>\d{2}):(?P<second>\d{2})$@';

		preg_match($format, $dateString, $dateInfo);

		$unixTimestamp = mktime(

				$dateInfo['hour'], $dateInfo['minute'], $dateInfo['second'],

				$dateInfo['month'], $dateInfo['day'], $dateInfo['year']

		);

		return $unixTimestamp;

	}

	

	public static function timeElapsedStringFromMysql($dateString) {

		$ptime = CUtils::convertMysqlToTimestamp($dateString);

		return CUtils::timeElapsedString($ptime);

	}

	

	public static function getDeviceInfo() {

		$uaString = $_SERVER['HTTP_USER_AGENT'];

		//echo $uaString;

		$info = array();

		if (preg_match("/android/i", $uaString)) {

			if (preg_match("/android (\d+)\.(\d+)/i", $uaString, $matches)) {

				$info = array('os' => 'android', 'major' => $matches[1], 'minor' => $matches[2]);

			} else {

				$info = array('os' => 'android', 'major' => 1, 'minor' => 0);

			}

		} else if (preg_match("/iPhone|iPod|iPad/i", $uaString)) {

			$info = array('os' => 'ios', 'major' => 1, 'minor' => 0);

			if (preg_match("/iOS (\d+)\.(\d+)/", $uaString, $matches)) {

				$info['major'] = $matches[1];

				$info['minor'] = $matches[2];

			} else if (preg_match("/iPhone OS (\d+)_(\d+)/", $uaString, $matches)) {

				$info['major'] = $matches[1];

				$info['minor'] = $matches[2];

			}

		} else if (preg_match("/Windows Phone (\d+)\.(\d+)/", $uaString, $matches)) {

			$info = array('os' => 'wp', 'major' => $matches[1], 'minor' => $matches[0]);

		} else if (preg_match("/symbian/i", $uaString)) {

			$info = array('os' => 'symbian', 'major' => 1, 'minor' => 0);

		} else {

			$info = array('os' => 'unknown', 'major' => 1, 'minor' => 0);

		}

		//var_dump($info);

		return $info;

	}

	

	public static function getSupportedStreamingProtocol() {

//		$devInfo = CUtils::getDeviceInfo();

                $detect = Yii::app()->mobileDetect;

                if ($detect->is('AndroidOS')) {

                    if ($detect->version('Android') < 3.0) {

                        return CUtils::$STREAMING_RTSP;

                    } else {

                        return CUtils::$STREAMING_HLS;

                    }

                } else if ($detect->is('SymbianOS')) {

			return CUtils::$STREAMING_RTSP; // rtsp

		} else if ($detect->is('iOS')) {

			return CUtils::$STREAMING_HLS; // hls

		} else if ($detect->is('WindowsMobileOS')) {

			return CUtils::$STREAMING_HTTP;

		} else {

			return CUtils::$STREAMING_HTTP; // http progressive download

		}

	}



	public static function cidrMatch($ip, $range) {

		list ($subnet, $bits) = explode('/', $range);

		$ip = ip2long($ip);

		$subnet = ip2long($subnet);

		$mask = -1 << (32 - $bits);

		$subnet &= $mask; # nb: in case the supplied subnet wasn't correctly aligned

		return ($ip & $mask) == $subnet;

	}

        

        public static function truncateWords($text, $length = 10){

            if(strlen($text) > $length){

                $text_temp = substr($text, 0, $length);

                $end_point = strrpos($text_temp, ' ');

                $text_fi = substr($text_temp, 0, $end_point).'...';

                return $text_fi;

            }else{

                return $text;

            }

        }

        

        public static function validatorMobile($mobileNumber){

            $valid_number = '';

            if(preg_match('/^(84|0)(91|94|123|124|125|127|129)\d{7}$/', $mobileNumber, $matches)){

                if ($matches[1] == 0){

                    $valid_number = preg_replace('/^0/', '84', $mobileNumber);

                }else{

                    $valid_number = $mobileNumber;

                }

            }

            return $valid_number;

        }

        

        public static function getVirtualView($fromDate){

        	//Cheat so luot xem theo ngay up len

        	$createDate = new DateTime($fromDate);

        	$currentDate = new DateTime('now');

        	$interval = $createDate->diff($currentDate);

        	$extraVirtualView = 50*($interval->format('%a') + 1);

        	if($extraVirtualView > 500)

        		$extraVirtualView = 500;

        	return $extraVirtualView;

        }

        

}



?>