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<?php


if(!function_exists('getCache'))
{

        function getCache($module=array(),$restriction=array())
        {
                $CI =& get_instance();
                $CI->load->library(array('cache'));
                $returnresponse =array();
                if(isset($module) and !empty($module))
                {
                        if(isset($module['header']) and !empty($module['header']) and in_array('header', $restriction))
                        {
                                $headerdata =array();
                                foreach($module['header'] as $key=>$header)
                                {
                                        
                                        $cache = $CI->cache->get($header);
                                        if(isset($cache) and !empty($cache))
                                        { $headerdata[$header]=$cache;
                                        unset($module['header'][$key]); 
                                        
                                        }
                                        
                                }
                                $returnresponse['header']=$headerdata;
                        }
                        if(isset($module['footer']) and !empty($module['footer']) and in_array('footer', $restriction))
                        {
                                $footerdata =array();
                                foreach($module['footer'] as $key=>$footer)
                                {
                                        $cache = $CI->cache->get($footer);
                                        if(isset($cache) and !empty($cache))
                                        {$footerdata[$footer]=$cache;
                                         unset($module['footer'][$key]);        
                                        }
                                        
                                }
                                $returnresponse['footer']=$footerdata;
                        }
                        if(isset($module['response']) and !empty($module['response']) and in_array('response', $restriction))
                        {
                                $responsedata =array();
                                foreach($module['response'] as $key=>$response)
                                {
                                        $cache = $CI->cache->get($response);
                                        if(isset($cache) and !empty($cache))
                                        {
                                                $responsedata[$response]=$cache;
                                                unset($module['response'][$key]);       
                                        }
                                }
                                $returnresponse['response']=$responsedata;
                        }
                
                $returnresponse['module']=$module;      

                        
                }


                return $returnresponse;

        }

}
if(!function_exists('setCache'))
{

        function setCache($module=array(),$restriction=array(),$data=array())
        {

                $CI =& get_instance();
                $CI->load->library(array('cache'));
                if(isset($module) and !empty($module))
                {
                        if(isset($module['header']) and !empty($module['header']) and in_array('header', $restriction))
                        {
                                
                                foreach($module['header'] as $header)
                                {
                                        $CI->cache->write($data['header'][$header], $header,600);
                                        
                                }
                                
                        }
                        if(isset($module['footer']) and !empty($module['footer']) and in_array('footer', $restriction))
                        {
                                foreach($module['footer'] as $footer)
                                {
                                        $CI->cache->write($data['footer'][$footer], $footer,600);
                                        
                                }
                                
                        }
                        if(isset($module['response']) and !empty($module['response']) and in_array('response', $restriction))
                        {
                                
                                foreach($module['response'] as $response)
                                {
                                        if($response != 'recommended_accessories' && $response != 'recharge_icons'){
                                                if(isset($data['response'][$response]) && !empty($data['response'][$response]))
                                                $CI->cache->write($data['response'][$response], $response,600);
                                        }
                                }
                                
                        }
                

                        
                }


                return true;
                


        }

}
if(!function_exists('setFileCache'))
{

        function setFileCache($content=null,$filename=null,$expires=null)
        {
                $CI =& get_instance();
                $CI->load->library(array('cache'));
                if(isset($content) && ($content != null))
                {
                        $CI->cache->write($content, $filename,$expires);
                }
                return true;
        }

}
if(!function_exists('getFileCache'))
{

        function getFileCache($filename=null)
        {

                $CI =& get_instance();
                $CI->load->library(array('cache'));
                $returnresponse =array();
                if(isset($filename) && ($filename != null))
                {
                        $cache = $CI->cache->get($filename);
                        if(isset($cache) && !empty($cache)){
                                $returnresponse = $cache;
                        }
                }
                return $returnresponse;
        }

}

if(!function_exists('deleteFileCache'))
{

        function deleteFileCache($filename=null)
        {

                $CI =& get_instance();
                $CI->load->library(array('cache'));
                if(isset($filename) && ($filename != null))
                {
                        $CI->cache->delete($filename);
                }
        }

}


//share helper start here

if( !function_exists('share_check') ){
        /**
         * Check type of share and return $URL or FALSE
         * 
         * @param       string $type    type of share
         * @return      string|bool
         */
        function share_check( $type='' ){
                $url = array(
                        'twitter'       => 'http://twitter.com/share',
                        'facebook'      => 'http://facebook.com/sharer.php',
                        'buzz'          => 'http://www.google.com/buzz/post',
                        'vkontakte'     => 'http://vkontakte.ru/share.php',
                );
                return (isset($url[$type])) ? $url[$type] : FALSE;
        }
}

if( !function_exists('share_url') ){
        /**
         * Generate url for share at some social networks
         *
         * @param       string $type    type of share
         * @param       array $args             parameters for share
         * @return      string
         */
        function share_url( $type='', $args=array() ){
                $url = share_check( $type );
                if( $url === FALSE ){
                        log_message( 'debug', 'Please check your type share_url('.$type.')' );
                        return "#ERROR-check_share_url_type";
                }

                $params = array();
                if( $type == 'twitter' ){
                        foreach( explode(' ', 'url via text related count lang counturl') as $v ){
                                if( isset($args[$v]) ) $params[$v] = $args[$v];
                        }
                }elseif( $type == 'facebook' ){
                        $params['u']            = $args['url'];
                        $params['t']            = $args['text'];
                }elseif( $type == 'buzz'){
                        $params['url']          = $args['url'];
                        $params['imageurl']     = $args['image'];
                        $params['message']      = $args['text'];
                }elseif( $type == 'vkontakte'){
                        $params['url']          = $args['url'];
                }

                $param = '';
                foreach( $params as $k=>$v ) $param .= '&'.$k.'='.urlencode($v);
                return $url.'?'.trim($param, '&');
        }
}

if( !function_exists('share_button') ){
        /**
         * Generate buttons for share at some social networks
         *
         * @param       string $type    type of share
         * @param       array $args             parameters for share
         * @return string
         */
        function share_button( $type='', $args=array() ){
                $url = share_check( $type );
                if( $url === FALSE ){
                        log_message( 'debug', 'Please check your type share_button('.$type.')' );
                        return "#ERROR-check_share_button_type";
                }

                $params = array();
                $param  = '';

                if( $type == 'twitter'){
                        if( isset($args['iframe']) ){
                                $url = share_url( $type, $args );
                                list($url, $param) = explode('?', $url);
                                $button = <<<DOT
                                <iframe allowtransparency="true" frameborder="0" scrolling="no" style="width:130px; height:50px;"
                                src="http://platform.twitter.com/widgets/tweet_button.html?{$param}"></iframe>
DOT;
                        }else{
                                foreach( explode(' ', 'url via text related count lang counturl') as $v ){
                                        if( isset($args[$v]) ) $params[] = 'data-'.$v.'="'.$args[$v].'"';
                                }
                                $param = implode( ' ', $params );
                                $button = <<<DOT
                                <a href="http://twitter.com/share" class="twitter-share-button" {$param}>Tweet</a>
                                <script type="text/javascript" src="http://platform.twitter.com/widgets.js"></script>
DOT;
                        }
                }elseif( $type == 'facebook' ){
                        if( !isset($args['type']) ) $args['type'] = 'button_count';
                        if( isset($args['fb']) ){
                                $params = array( 'type'=>'type', 'href'=>'url', 'class'=>'class' );
                                foreach( $params as $k=>$v ){
                                        if( isset($args[$v]) ) $param .= $k.'="'.$args[$v].'"';
                                }
                                $button = "<fb:share-button {$param}></fb:share-button>";
                        }else{
                                $params = array( 'type'=>'type', 'share_url'=>'url' );
                                foreach( $params as $k=>$v ){
                                        if( isset($args[$v]) ) $param .= $k.'="'.$args[$v].'"';
                                }
                                if( !isset($args['button_text']) ) $args['button_text'] = 'Share to Facebook';
                                $button = <<<DOT
                                <a name="fb_share" {$param}>{$args['button_text']}</a>
                                <script src="http://static.ak.fbcdn.net/connect.php/js/FB.Share" type="text/javascript"></script>
DOT;
                        }
                }elseif( $type == 'buzz' ){
                        $params = array( 'button-style'=>'type', 'local'=>'lang', 'url'=>'url', 'imageurl'=>'image');
                        foreach( $params as $k=>$v ){
                                if( isset($args[$v]) ) $param .= ' data-'.$k.'="'.$args[$v].'"';
                        }
                        if( !isset($args['title']) ) $args['title'] = 'Share to Google Buzz';
                        $button = <<<DOT
                        <a title="{$args['title']}" class="google-buzz-button" href="http://www.google.com/buzz/post" {$param}></a>
                        <script type="text/javascript" src="http://www.google.com/buzz/api/button.js"></script>
DOT;
                }elseif( $type == 'vkontakte' ){
                        $url = isset($args['url']) ? '{url: "'.$args['url'].'"}' : 'false';
                        foreach( explode(' ', 'type text') as $v ){
                                if( isset($args[$v]) ) $param[] = $k.': "'.urlencode($args[$v]).'"';
                        }
                        $param = implode( ', ', $params );
                        if( !empty($param) ) $param = ', {'.$param.'}';
                        $button = <<<DOT
                        <script type="text/javascript" src="http://vkontakte.ru/js/api/share.js?9" charset="windows-1251"></script>
                        <script type="text/javascript">document.write(VK.Share.button({$url}{$param}));</script>
DOT;
                }
                return $button;
        }
}
//end of share helper

if (!function_exists('getChecksum')) {
        function getChecksum($MerchantId, $OrderId, $Amount, $redirectUrl, $WorkingKey)  {
                $str = "$MerchantId|$OrderId|$Amount|$redirectUrl|$WorkingKey";
                $adler = 1;
                $adler = adler32($adler,$str);
                return $adler;
        }
}
if (!function_exists('adler32')) {
        function adler32($adler , $str)
        {
                $BASE =  65521 ;

                $s1 = $adler & 0xffff ;
                $s2 = ($adler >> 16) & 0xffff;
                for($i = 0 ; $i < strlen($str) ; $i++)
                {
                        $s1 = ($s1 + Ord($str[$i])) % $BASE ;
                        $s2 = ($s2 + $s1) % $BASE ;
                }
                return leftshift($s2 , 16) + $s1;
        }
}
if(!function_exists('leftshift')){
        function leftshift($str , $num)
        {

                $str = DecBin($str);

                for( $i = 0 ; $i < (64 - strlen($str)) ; $i++)
                        $str = "0".$str ;

                for($i = 0 ; $i < $num ; $i++) 
                {
                        $str = $str."0";
                        $str = substr($str , 1 ) ;
                        //echo "str : $str <BR>";
                }
                return cdec($str) ;
        }
}
if (!function_exists('cdec')) {

        function cdec($num)
        {
                $dec=0;
                for ($n = 0 ; $n < strlen($num) ; $n++)
                {
                   $temp = $num[$n] ;
                   $dec =  $dec + $temp*pow(2 , strlen($num) - $n - 1);
                }

                return $dec;
        }
}
if (!function_exists('verifyChecksum')) {
        function verifyChecksum($MerchantId , $OrderId, $Amount, $AuthDesc, $WorkingKey,  $CheckSum)
        {       
                $str = "";
                $str = "$MerchantId|$OrderId|$Amount|$AuthDesc|$WorkingKey";
                $adler = 1;
                $adler = adler32($adler,$str);
                if($adler==$CheckSum) return true;
                else return false;              
        }
}

        
?>