<?php

/**

 * External Sources Input Classes for Back and Front End

 * @since: 5.0

 **/



if( !defined( 'ABSPATH') ) die();



/**

 * Facebook

 *

 * with help of the API this class delivers album images from Facebook

 *

 * @package    socialstreams

 * @subpackage socialstreams/facebook

 * @author     ThemePunch <info@themepunch.com>

 */



class RevSliderFacebook {

	/**

	 * Stream Array

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      array    $stream    Stream Data Array

	 */

	private $stream;



	/**

	* Transient seconds

	*

	* @since    1.0.0

	* @access   private

	* @var      number    $transient Transient time in seconds

	*/

	private $transient_sec;



	public function __construct($transient_sec = 1200) {

	    $this->transient_sec = 	$transient_sec;

	} 



	/**

	 * Get User ID from its URL

	 *

	 * @since    1.0.0

	 * @param    string    $user_url URL of the Page

	 */

	public function get_user_from_url($user_url){

		$theid = str_replace("https", "", $user_url);

		$theid = str_replace("http", "", $theid);

		$theid = str_replace("://", "", $theid);

		$theid = str_replace("www.", "", $theid);

		$theid = str_replace("facebook", "", $theid);

		$theid = str_replace(".com", "", $theid);

		$theid = str_replace("/", "", $theid);

		$theid = explode("?", $theid);

		return trim($theid[0]);

	}



	/**

	 * Get Photosets List from User

	 *

	 * @since    1.0.0

	 * @param    string    $user_id 	Facebook User id (not name)

	 * @param    int       $item_count 	number of photos to pull

	 */

	public function get_photo_sets($user_id,$item_count=10,$app_id,$app_secret){

		//photoset params

		$oauth = wp_remote_fopen("https://graph.facebook.com/oauth/access_token?type=client_cred&client_id=".$app_id."&client_secret=".$app_secret);

    $oauth = json_decode($oauth);

		$url = "https://graph.facebook.com/$user_id/albums?access_token=".$oauth->access_token;

		$photo_sets_list = json_decode(wp_remote_fopen($url));

		//echo '<pre>';

		//print_r($photo_sets_list);

		//echo '</pre>';

		

		if(isset($photo_sets_list->data))

			return $photo_sets_list->data;

		else return '';

	}



	/**

	 * Get Photoset Photos

	 *

	 * @since    5.1.1 

	 * @param    string    $photo_set_id 	Photoset ID

	 * @param    int       $item_count 	number of photos to pull

	 */

	public function get_photo_set_photos($photo_set_id,$item_count=10,$app_id,$app_secret){

    $oauth = wp_remote_fopen("https://graph.facebook.com/oauth/access_token?type=client_cred&client_id=".$app_id."&client_secret=".$app_secret);

    $oauth = json_decode($oauth);

    $url = "https://graph.facebook.com/$photo_set_id/photos?fields=photos&access_token=".$oauth->access_token."&fields=id,from,message,picture,link,name,icon,privacy,type,status_type,object_id,application,created_time,updated_time,is_hidden,is_expired,comments.limit(1).summary(true),likes.limit(1).summary(true)";



		$transient_name = 'revslider_' . md5($url);



		if ($this->transient_sec > 0 && false !== ($data = get_transient( $transient_name)))

			return ($data);



		$photo_set_photos = json_decode(wp_remote_fopen($url));



    /* 

    echo '<pre>';

    print_r($photo_set_photos);

    echo '</pre>';

    */

		if(isset($photo_set_photos->data)){

			set_transient( $transient_name, $photo_set_photos->data, $this->transient_sec );

			return $photo_set_photos->data;

		}

		else return '';

	}



	/**

	 * Get Photosets List from User as Options for Selectbox

	 *

	 * @since    1.0.0

	 * @param    string    $user_url 	Facebook User id (not name)

	 * @param    int       $item_count 	number of photos to pull

	 */

	public function get_photo_set_photos_options($user_url,$current_album,$app_id,$app_secret,$item_count=99){

		$user_id = $this->get_user_from_url($user_url);

		$photo_sets = $this->get_photo_sets($user_id,999,$app_id,$app_secret);

    if(empty($current_album)) $current_album = "";

		$return = array();

		if(is_array($photo_sets)){

			foreach($photo_sets as $photo_set){

				$return[] = '<option title="'.$photo_set->name.'" '.selected( $photo_set->id , $current_album , false ).' value="'.$photo_set->id.'">'.$photo_set->name.'</option>"';

			}

		}

		return $return;

	}

	



	/**

	 * Get Feed

	 *

	 * @since    1.0.0

	 * @param    string    $user 	User ID

	 * @param    int       $item_count 	number of itmes to pull

	 */

	public function get_photo_feed($user,$app_id,$app_secret,$item_count=10){

		$oauth = wp_remote_fopen("https://graph.facebook.com/oauth/access_token?type=client_cred&client_id=".$app_id."&client_secret=".$app_secret);

    $oauth = json_decode($oauth);

    $url = "https://graph.facebook.com/$user/feed?access_token=".$oauth->access_token."&fields=id,from,message,picture,link,name,icon,privacy,type,status_type,object_id,application,created_time,updated_time,is_hidden,is_expired,comments.limit(1).summary(true),likes.limit(1).summary(true)";



		$transient_name = 'revslider_' . md5($url);

		if ($this->transient_sec > 0 && false !== ($data = get_transient( $transient_name)))

			return ($data);



		$feed = json_decode(wp_remote_fopen($url));



		if(isset($feed->data)){

			set_transient( $transient_name, $feed->data, $this->transient_sec );

			return $feed->data;

		}

		else return '';

	}



	/**

	 * Decode URL from feed

	 *

	 * @since    1.0.0

	 * @param    string    $url 	facebook Output Data

	 */

	private function decode_facebook_url($url) {

		$url = str_replace('u00253A',':',$url);

		$url = str_replace('\u00255C\u00252F','/',$url);

		$url = str_replace('u00252F','/',$url);

		$url = str_replace('u00253F','?',$url);

		$url = str_replace('u00253D','=',$url);

		$url = str_replace('u002526','&',$url);

		return $url;

	}

}  // End Class



/**

 * Twitter

 *

 * with help of the API this class delivers all kind of tweeted images from twitter

 *

 * @package    socialstreams

 * @subpackage socialstreams/twitter

 * @author     ThemePunch <info@themepunch.com>

 */



class RevSliderTwitter {



  /**

   * Consumer Key

   *

   * @since    1.0.0

   * @access   private

   * @var      string    $consumer_key    Consumer Key

   */

  private $consumer_key;



  /**

   * Consumer Secret

   *

   * @since    1.0.0

   * @access   private

   * @var      string    $consumer_secret    Consumer Secret

   */

  private $consumer_secret;



  /**

   * Access Token

   *

   * @since    1.0.0

   * @access   private

   * @var      string    $access_token    Access Token

   */

  private $access_token;



  /**

   * Access Token Secret

   *

   * @since    1.0.0

   * @access   private

   * @var      string    $access_token_secret    Access Token Secret

   */

  private $access_token_secret;



  /**

   * Twitter Account

   *

   * @since    1.0.0

   * @access   private

   * @var      string    $twitter_account    Account User Name

   */

  private $twitter_account;



  /**

   * Transient seconds

   *

   * @since    1.0.0

   * @access   private

   * @var      number    $transient Transient time in seconds

   */

  private $transient_sec;



  /**

   * Stream Array

   *

   * @since    1.0.0

   * @access   private

   * @var      array    $stream    Stream Data Array

   */

  private $stream;



  /**

   * Initialize the class and set its properties.

   *

   * @since    1.0.0

   * @param      string    $consumer_key Twitter App Registration Consomer Key

   * @param      string    $consumer_secret Twitter App Registration Consomer Secret

   * @param      string    $access_token Twitter App Registration Access Token

   * @param      string    $access_token_secret Twitter App Registration Access Token Secret

   */

  public function __construct($consumer_key,$consumer_secret,$access_token,$access_token_secret,$transient_sec = 1200) {

    $this->consumer_key         =   $consumer_key;

    $this->consumer_secret      =   $consumer_secret;

    $this->access_token         =   $access_token;

    $this->access_token_secret  =   $access_token_secret;

    $this->transient_sec		= 	$transient_sec;

  } 



  /**

   * Get Tweets

   *

   * @since    1.0.0

   * @param    string    $twitter_account   Twitter account without trailing @ char

   */

  public function get_public_photos($twitter_account,$include_rts,$exclude_replies,$count,$imageonly){

    

    //require_once( 'class-wp-twitter-api.php' );

	// Set your personal data retrieved at https://dev.twitter.com/apps

	$credentials = array(

	  'consumer_key'    =>  $this->consumer_key,

	  'consumer_secret' =>    $this->consumer_secret 

	);

	// Let's instantiate our class with our credentials

	$twitter_api = new RevSliderTwitterApi( $credentials , $this->transient_sec);

	

    $include_rts = $include_rts=="on" ? "true" : "false"; 

    $exclude_replies = $include_rts=="on" ? "false" : "true"; 



	$query = 'count=500&include_entities=true&include_rts='.$include_rts.'&exclude_replies='.$exclude_replies.'&screen_name='.$twitter_account;

	

	$tweets = $twitter_api->query( $query );



    if(!empty($tweets)){

    	return $tweets;

    }

	else return '';

  }





  /**

   * Find Key in array and return value (multidim array possible)

   *

   * @since    1.0.0

   * @param    string    $key   Needle

   * @param    array     $form  Haystack

   */

  public function array_find_element_by_key($key, $form) {

	  if (is_array($form) &&  array_key_exists($key, $form)) {

	    $ret = $form[$key];

	    return $ret;

	  }

	  if(is_array($form))

	      foreach ($form as $k => $v) {

	        if (is_array($v)) {

	          $ret = $this->array_find_element_by_key($key, $form[$k]);

	          if ($ret) {

	            return $ret;

	          }

	        }

	      }

	  return FALSE;

  }

} // End Class



/**

* Class WordPress Twitter API

*

* https://github.com/micc83/Twitter-API-1.1-Client-for-Wordpress/blob/master/class-wp-twitter-api.php

* @version 1.0.0

*/

class RevSliderTwitterApi {

  

        var $bearer_token,

                

        // Default credentials

        $args = array(

                'consumer_key'       =>        'default_consumer_key',

                'consumer_secret'    =>        'default_consumer_secret'

        ),

        

        // Default type of the resource and cache duration

        $query_args = array(

                'type'               =>        'statuses/user_timeline',

                'cache'              =>        1800

        ),



        $has_error = false;

        

        /**

         * WordPress Twitter API Constructor

         *

         * @param array $args

         */

        public function __construct( $args = array() , $transient_sec = 1200 ) {

                

                if ( is_array( $args ) && !empty( $args ) )

                        $this->args = array_merge( $this->args, $args );

                

                if ( ! $this->bearer_token = get_option( 'twitter_bearer_token' ) )

                        $this->bearer_token = $this->get_bearer_token();

                

               $this->query_args['cache'] = $transient_sec;

        }

        

        /**

         * Get the token from oauth Twitter API

         *

         * @return string Oauth Token

         */

        private function get_bearer_token() {

                

                $bearer_token_credentials = $this->args['consumer_key'] . ':' . $this->args['consumer_secret'];

                $bearer_token_credentials_64 = base64_encode( $bearer_token_credentials );

                

                $args = array(

                        'method'                =>         	'POST',

                        'timeout'               =>         	5,

                        'redirection'        	=>         	5,

                        'httpversion'        	=>         	'1.0',

                        'blocking'              =>         	true,

                        'headers'               =>         	array(

                                'Authorization'       =>        'Basic ' . $bearer_token_credentials_64,

                                'Content-Type'        =>        'application/x-www-form-urlencoded;charset=UTF-8',

                                'Accept-Encoding'     =>        'gzip'

                        ),

                        'body'                  => 			array( 'grant_type'      =>        'client_credentials' ),

                        'cookies'               =>    		array()

                );

                

                $response = wp_remote_post( 'https://api.twitter.com/oauth2/token', $args );

                

                if ( is_wp_error( $response ) || 200 != $response['response']['code'] )

                        return $this->bail( __( 'Can\'t get the bearer token, check your credentials', 'wp_twitter_api' ), $response );

                

                $result = json_decode( $response['body'] );

                

                update_option( 'twitter_bearer_token', $result->access_token );

                

                return $result->access_token;

                

        }

        

        /**

         * Query twitter's API

         *

         * @uses $this->get_bearer_token() to retrieve token if not working

         *

         * @param string $query Insert the query in the format "count=1&include_entities=true&include_rts=true&screen_name=micc1983!

         * @param array $query_args Array of arguments: Resource type (string) and cache duration (int)

         * @param bool $stop Stop the query to avoid infinite loop

         *

         * @return bool|object Return an object containing the result

         */

        public function query( $query, $query_args = array(), $stop = false ) {

                

                if ( $this->has_error )

                        return false;

                

                if ( is_array( $query_args ) && !empty( $query_args ) )

                        $this->query_args = array_merge( $this->query_args, $query_args );

                

                $transient_name = 'wta_' . md5( $query );



                if ($this->query_args['cache'] > 0 && false !== ( $data = get_transient( $transient_name ) ) )

                	return json_decode( $data );

                

                $args = array(

                        'method'             =>         'GET',

                        'timeout'            =>         5,

                        'redirection'        =>         5,

                        'httpversion'        =>         '1.0',

                        'blocking'           =>         true,

                        'headers'            =>         array(

                                'Authorization'		=>        'Bearer ' . $this->bearer_token,

                                'Accept-Encoding'   =>        'gzip'

                        ),

                        'body'               =>         null,

                        'cookies'            =>         array()

                );

                

                $response = wp_remote_get( 'https://api.twitter.com/1.1/' . $this->query_args['type'] . '.json?' . $query, $args );

                if ( is_wp_error( $response ) || 200 != $response['response']['code'] ){

                

                        if ( !$stop ){

                                $this->bearer_token = $this->get_bearer_token();

                                return $this->query( $query, $this->query_args, true );

                        } else {

                                return $this->bail( __( 'Bearer Token is good, check your query', 'wp_twitter_api' ), $response );

                        }

                        

                }

                set_transient( $transient_name, $response['body'], $this->query_args['cache'] );

                return json_decode( $response['body'] );

                

        }

        

        /**

         * Let's manage errors

         *

         * WP_DEBUG has to be set to true to show errors

         *

         * @param string $error_text Error message

         * @param string $error_object Server response or wp_error

         */

        private function bail( $error_text, $error_object = '' ) {

                

                $this->has_error = true;

                

                if ( is_wp_error( $error_object ) ){

                        $error_text .= ' - Wp Error: ' . $error_object->get_error_message();

                } elseif ( !empty( $error_object ) && isset( $error_object['response']['message'] ) ) {

                        $error_text .= ' ( Response: ' . $error_object['response']['message'] . ' )';

                }

                

                trigger_error( $error_text , E_USER_NOTICE );

                

        }

        

}





/**

 * Instagram

 *

 * with help of the API this class delivers all kind of Images from instagram

 *

 * @package    socialstreams

 * @subpackage socialstreams/instagram

 * @author     ThemePunch <info@themepunch.com>

 */



class RevSliderInstagram {



	/**

	 * API key

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      string    $api_key    Instagram API key

	 */

	private $api_key;



	/**

	 * Stream Array

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      array    $stream    Stream Data Array

	 */

	private $stream;



	/**

   * Transient seconds

   *

   * @since    1.0.0

   * @access   private

   * @var      number    $transient Transient time in seconds

   */

  private $transient_sec;



	/**

	 * Initialize the class and set its properties.

	 *

	 * @since    1.0.0

	 * @param      string    $api_key	Instagram API key.

	 */

	public function __construct($api_key,$transient_sec=1200) {

		$this->api_key = $api_key;

		$this->transient_sec = $transient_sec;

	}



	/**

	 * Get Instagram Pictures Public by User

	 *

	 * @since    1.0.0

	 * @param    string    $user_id 	Instagram User id (not name)

	 */

	public function get_public_photos($search_user_id,$count){

		//call the API and decode the response

		$url = "https://www.instagram.com/".$search_user_id."/media/";



		$transient_name = 'revslider_' . md5($url);

		if ($this->transient_sec > 0 && false !== ($data = get_transient( $transient_name)))

			return ($data);



		$rsp = json_decode(wp_remote_fopen($url));



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

	      	$return[] = $rsp->items[$i];

	 }

    

		if(isset($rsp->items)){

			$rsp->items = $return;

			set_transient( $transient_name, $rsp->items, $this->transient_sec );

			return $rsp->items;

		}

		else return '';

	}



	/**

	 * Get Instagram Pictures Public by Tag

	 *

	 * @since    1.0.0

	 * @param    string    $user_id 	Instagram User id (not name)

	 */

	public function get_tag_photos($search_tag,$count){

		//call the API and decode the response

		$url = "https://www.instagram.com/explore/tags/".$search_tag."/?__a=1";

    

    $transient_name = 'revslider_' . md5($url);

		/*if ($this->transient_sec > 0 && false !== ($data = get_transient( $transient_name)))

			return ($data);

*/

		$rsp = json_decode(wp_remote_fopen($url));



    var_dump($rsp);



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

          $return[] = $rsp->tag->media->nodes[$i];

      }

    

    if(isset($rsp->tag->media->nodes)){

      $rsp->tag->media->nodes = $return;

      set_transient( $transient_name, $rsp->tag->media->nodes, $this->transient_sec );

      return $rsp->tag->media->nodes;

    }

    else return '';

	}

}	// End Class



/**

 * Flickr

 *

 * with help of the API this class delivers all kind of Images from flickr

 *

 * @package    socialstreams

 * @subpackage socialstreams/flickr

 * @author     ThemePunch <info@themepunch.com>

 */



class RevSliderFlickr {



	/**

	 * API key

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      string    $api_key    flickr API key

	 */

	private $api_key;



	/**

	 * API params

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      array    $api_param_defaults    Basic params to call with API

	 */

	private $api_param_defaults;



	/**

	 * Stream Array

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      array    $stream    Stream Data Array

	 */

	private $stream;



	/**

	 * Basic URL

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      string    $url    Url to fetch user from

	 */

	private $flickr_url;



	/**

	* Transient seconds

	*

	* @since    1.0.0

	* @access   private

	* @var      number    $transient Transient time in seconds

	*/

	private $transient_sec;



	/**

	 * Initialize the class and set its properties.

	 *

	 * @since    1.0.0

	 * @param      string    $api_key	flickr API key.

	 */

	public function __construct($api_key,$transient_sec=1200) {

		$this->api_key = $api_key;

		$this->api_param_defaults = array(

		  'api_key' => $this->api_key,

		  'format' => 'json',

		  'nojsoncallback' => 1,

		);



    $this->transient_sec = $transient_sec;



	}



	/**

	 * Calls Flicker API with set of params, returns json

	 *

	 * @since    1.0.0

	 * @param    array    $params 	Parameter build for API request

	 */

	private function call_flickr_api($params){

		//build url

		$encoded_params = array();

		foreach ($params as $k => $v){

		  $encoded_params[] = urlencode($k).'='.urlencode($v);

		}



		//call the API and decode the response

		$url = "https://api.flickr.com/services/rest/?".implode('&', $encoded_params);

		$transient_name = 'revslider_' . md5($url);



		if ($this->transient_sec > 0 && false !== ($data = get_transient( $transient_name)))

			return ($data);



		$rsp = json_decode(file_get_contents($url));

		if(isset($rsp)){

			set_transient( $transient_name, $rsp, $this->transient_sec );

			return $rsp;

		}

		else return '';

	}



	/**

	 * Get User ID from its URL

	 *

	 * @since    1.0.0

	 * @param    string    $user_url URL of the Gallery

	 */

	public function get_user_from_url($user_url){

		//gallery params

		$user_params = $this->api_param_defaults + array(

			'method'  => 'flickr.urls.lookupUser',

  			'url' => $user_url,

		);

		

		//set User Url

		$this->flickr_url = $user_url;



		//get gallery info

		$user_info = $this->call_flickr_api($user_params);

		if(isset($user_info->user->id))

			return $user_info->user->id;

		else return '';

	}



	/**

	 * Get Group ID from its URL

	 *

	 * @since    1.0.0

	 * @param    string    $group_url URL of the Gallery

	 */

	public function get_group_from_url($group_url){

		//gallery params

		$group_params = $this->api_param_defaults + array(

			'method'  => 'flickr.urls.lookupGroup',

  			'url' => $group_url,

		);

		

		//set User Url

		$this->flickr_url = $group_url;



		//get gallery info

		$group_info = $this->call_flickr_api($group_params);

		if(isset($group_info->group->id))

			return $group_info->group->id;

		else return '';

	}



	/**

	 * Get Public Photos

	 *

	 * @since    1.0.0

	 * @param    string    $user_id 	flicker User id (not name)

	 * @param    int       $item_count 	number of photos to pull

	 */

	public function get_public_photos($user_id,$item_count=10){

		//public photos params

		$public_photo_params = $this->api_param_defaults + array(

			'method'  => 'flickr.people.getPublicPhotos',

  			'user_id' => $user_id,

  			'extras'  => 'description, license, date_upload, date_taken, owner_name, icon_server, original_format, last_update, geo, tags, machine_tags, o_dims, views, media, path_alias, url_sq, url_t, url_s, url_q, url_m, url_n, url_z, url_c, url_l, url_o',

  			'per_page'=> $item_count,

  			'page' => 1

		);

		

		//get photo list

		$public_photos_list = $this->call_flickr_api($public_photo_params);

    //var_dump($public_photos);

		if(isset($public_photos_list->photos->photo))      

			return $public_photos_list->photos->photo;

		else return '';

	}



	/**

	 * Get Photosets List from User

	 *

	 * @since    1.0.0

	 * @param    string    $user_id 	flicker User id (not name)

	 * @param    int       $item_count 	number of photos to pull

	 */

	public function get_photo_sets($user_id,$item_count=10,$current_photoset){

		//photoset params

		$photo_set_params = $this->api_param_defaults + array(

			'method'  => 'flickr.photosets.getList',

  			'user_id' => $user_id,

  			'per_page'=> $item_count,

  			'page'    => 1

		);

		

		//get photoset list

		$photo_sets_list = $this->call_flickr_api($photo_set_params);

		

		$return = array();

		foreach($photo_sets_list->photosets->photoset as $photo_set){

			if(empty($photo_set->title->_content)) $photo_set->title->_content = "";

			if(empty($photo_set->photos))  $photo_set->photos = 0;

			$return[] = '<option title="'.$photo_set->description->_content.'" '.selected( $photo_set->id , $current_photoset , false ).' value="'.$photo_set->id.'">'.$photo_set->title->_content.' ('.$photo_set->photos.' photos)</option>"';

		}

		return $return;

	}



	/**

	 * Get Photoset Photos

	 *

	 * @since    1.0.0

	 * @param    string    $photo_set_id 	Photoset ID

	 * @param    int       $item_count 	number of photos to pull

	 */

	public function get_photo_set_photos($photo_set_id,$item_count=10){

		//photoset photos params

		$this->stream = array();

		$photo_set_params = $this->api_param_defaults + array(

			'method'  		=> 'flickr.photosets.getPhotos',

  			'photoset_id' 	=> $photo_set_id,

  			'per_page'		=> $item_count,

  			'page'    		=> 1,

  			'extras'		=> 'license, date_upload, date_taken, owner_name, icon_server, original_format, last_update, geo, tags, machine_tags, o_dims, views, media, path_alias, url_sq, url_t, url_s, url_q, url_m, url_n, url_z, url_c, url_l, url_o'

		);

		

		//get photo list

		$photo_set_photos = $this->call_flickr_api($photo_set_params);

		if(isset($photo_set_photos->photoset->photo))

			return $photo_set_photos->photoset->photo;

		else return '';

	}



	/**

	 * Get Groop Pool Photos

	 *

	 * @since    1.0.0

	 * @param    string    $group_id 	Photoset ID

	 * @param    int       $item_count 	number of photos to pull

	 */

	public function get_group_photos($group_id,$item_count=10){

		//photoset photos params

		$group_pool_params = $this->api_param_defaults + array(

			'method'  		=> 'flickr.groups.pools.getPhotos',

  			'group_id' 	=> $group_id,

  			'per_page'		=> $item_count,

  			'page'    		=> 1,

  			'extras'		=> 'license, date_upload, date_taken, owner_name, icon_server, original_format, last_update, geo, tags, machine_tags, o_dims, views, media, path_alias, url_sq, url_t, url_s, url_q, url_m, url_n, url_z, url_c, url_l, url_o'

		);

		

		//get photo list

		$group_pool_photos = $this->call_flickr_api($group_pool_params);

		if(isset($group_pool_photos->photos->photo))

			return $group_pool_photos->photos->photo;

		else

			return '';

	}



	/**

	 * Get Gallery ID from its URL

	 *

	 * @since    1.0.0

	 * @param    string    $gallery_url URL of the Gallery

	 * @param    int       $item_count 	number of photos to pull

	 */

	public function get_gallery_from_url($gallery_url){

		//gallery params

		$gallery_params = $this->api_param_defaults + array(

			'method'  => 'flickr.urls.lookupGallery',

  			'url' => $gallery_url,

		);

		

		//get gallery info

		$gallery_info = $this->call_flickr_api($gallery_params);

		if(isset($gallery_info->gallery->id))

			return $gallery_info->gallery->id;

		else return '';

	}



	/**

	 * Get Gallery Photos

	 *

	 * @since    1.0.0

	 * @param    string    $gallery_id 	flicker Gallery id (not name)

	 * @param    int       $item_count 	number of photos to pull

	 */

	public function get_gallery_photos($gallery_id,$item_count=10){

		//gallery photos params

		$gallery_photo_params = $this->api_param_defaults + array(

			'method'  => 'flickr.galleries.getPhotos',

  			'gallery_id' => $gallery_id,

  			'extras'  => 'description, license, date_upload, date_taken, owner_name, icon_server, original_format, last_update, geo, tags, machine_tags, o_dims, views, media, path_alias, url_sq, url_t, url_s, url_q, url_m, url_n, url_z, url_c, url_l, url_o',

  			'per_page'=> $item_count,

  			'page' => 1

		);

		

		//get photo list

		$gallery_photos_list = $this->call_flickr_api($gallery_photo_params);

		if(isset($gallery_photos_list->photos->photo))

			return $gallery_photos_list->photos->photo;

		else return '';

	}



	/**

	 * Encode the flickr ID for URL (base58)

	 *

	 * @since    1.0.0

	 * @param    string    $num 	flickr photo id

	 */

	private function base_encode($num, $alphabet='123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ') {

		$base_count = strlen($alphabet);

		$encoded = '';

		while ($num >= $base_count) {

			$div = $num/$base_count;

			$mod = ($num-($base_count*intval($div)));

			$encoded = $alphabet[$mod] . $encoded;

			$num = intval($div);

		}

		if ($num) $encoded = $alphabet[$num] . $encoded;

		return $encoded;

	}

}	// End Class





/**

 * Youtube

 *

 * with help of the API this class delivers all kind of Images/Videos from youtube

 *

 * @package    socialstreams

 * @subpackage socialstreams/youtube

 * @author     ThemePunch <info@themepunch.com>

 */



class RevSliderYoutube {



	/**

	 * API key

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      string    $api_key    Youtube API key

	 */

	private $api_key;



	/**

	 * Channel ID

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      string    $channel_id    Youtube Channel ID

	 */

	private $channel_id;



	/**

	 * Stream Array

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      array    $stream    Stream Data Array

	 */

	private $stream;



	/**

	* Transient seconds

	*

	* @since    1.0.0

	* @access   private

	* @var      number    $transient Transient time in seconds

	*/

	private $transient_sec;



	/**

	 * Initialize the class and set its properties.

	 *

	 * @since    1.0.0

	 * @param      string    $api_key	Youtube API key.

	 */

	public function __construct($api_key,$channel_id,$transient_sec=1200) {

		$this->api_key = $api_key;

		$this->channel_id = $channel_id;

		$this->transient_sec = $transient_sec;

	}





	/**

	 * Get Youtube Playlists

	 *

	 * @since    1.0.0

	 */

	public function get_playlists(){

		//call the API and decode the response

		$url = "https://www.googleapis.com/youtube/v3/playlists?part=snippet&maxResults=50&channelId=".$this->channel_id."&key=".$this->api_key;

		$rsp = json_decode(wp_remote_fopen($url));

		if(isset($rsp->items)){

			return $rsp->items;

		}else{

			return false;

		}

	}



	/**

	 * Get Youtube Playlist Items

	 *

	 * @since    1.0.0

	 * @param    string    $playlist_id 	Youtube Playlist ID

	 * @param    integer    $count 	Max videos count

	 */

	public function show_playlist_videos($playlist_id,$count=50){

		//call the API and decode the response

    if(empty($count)) $count = 50;

		$url = "https://www.googleapis.com/youtube/v3/playlistItems?part=snippet&playlistId=".$playlist_id."&maxResults=".$count."&fields=items%2Fsnippet&key=".$this->api_key;

		

		$transient_name = 'revslider_' . md5($url);



		if ($this->transient_sec > 0 && false !== ($data = get_transient( $transient_name)))

			return ($data);



		$rsp = json_decode(wp_remote_fopen($url));



		set_transient( $transient_name, $rsp->items, $this->transient_sec );

		return $rsp->items;

	}



	/**

	 * Get Youtube Channel Items

	 *

	 * @since    1.0.0

	 * @param    integer    $count 	Max videos count

	 */

	public function show_channel_videos($count=50){

    if(empty($count)) $count = 50;

		//call the API and decode the response

		$url = "https://www.googleapis.com/youtube/v3/search?part=snippet&channelId=".$this->channel_id."&maxResults=".$count."&key=".$this->api_key."&order=date";

		

		$transient_name = 'revslider_' . md5($url);

		

		if ($this->transient_sec > 0 && false !== ($data = get_transient( $transient_name)))

			return ($data);



		$rsp = json_decode(wp_remote_fopen($url));



		set_transient( $transient_name, $rsp->items, $this->transient_sec );

		return $rsp->items;

	}



	/**

	 * Get Playlists from Channel as Options for Selectbox

	 *

	 * @since    1.0.0

	 */

	public function get_playlist_options($current_playlist){

		$return = array();

		$playlists = $this->get_playlists();

		if(!empty($playlists)){

			foreach($playlists as $playlist){

				$return[] = '<option title="'.$playlist->snippet->description.'" '.selected( $playlist->id , $current_playlist , false ).' value="'.$playlist->id.'">'.$playlist->snippet->title.'</option>"';

			}

		}

		return $return;

	}

}	// End Class



/**

 * Vimeo

 *

 * with help of the API this class delivers all kind of Images/Videos from Vimeo

 *

 * @package    socialstreams

 * @subpackage socialstreams/vimeo

 * @author     ThemePunch <info@themepunch.com>

 */



class RevSliderVimeo {

	/**

	 * Stream Array

	 *

	 * @since    1.0.0

	 * @access   private

	 * @var      array    $stream    Stream Data Array

	 */

	private $stream;



	/**

	* Transient seconds

	*

	* @since    1.0.0

	* @access   private

	* @var      number    $transient Transient time in seconds

	*/

	private $transient_sec;



	/**

	 * Initialize the class and set its properties.

	 *

	 * @since    1.0.0

	 * @param      string    $api_key	Youtube API key.

	 */

	public function __construct($transient_sec=1200) {

		$this->transient_sec = $transient_sec;

	}



	/**

	 * Get Vimeo User Videos

	 *

	 * @since    1.0.0

	 */

	public function get_vimeo_videos($type,$value){

		//call the API and decode the response

		if($type=="user"){

			$url = "https://vimeo.com/api/v2/".$value."/videos.json";

		}

		else{

			$url = "https://vimeo.com/api/v2/".$type."/".$value."/videos.json";

		}

		

		$transient_name = 'revslider_' . md5($url);

		

		if ($this->transient_sec > 0 && false !== ($data = get_transient( $transient_name)))

			return ($data);



		$rsp = json_decode(wp_remote_fopen($url));

		set_transient( $transient_name, $rsp, $this->transient_sec );

		return $rsp;

	}

}	// End Class

?>