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<?php
/**
 * @author    ThemePunch <info@themepunch.com>
 * @link      https://www.themepunch.com/
 * @copyright 2019 ThemePunch
 */

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

class RevSliderTemplate extends RevSliderFunctions {
	
	private $templates_list			= 'revslider/get-list.php';
	private $templates_download		= 'revslider/download.php';
	
	private $templates_server_path	= '/revslider/images/';
	private $templates_path			= '/revslider/templates/';
	
	private $curl_check				= null;
	
	const SHOP_VERSION				= '2.0';
	
	/**
	 * Download template by UID (also validates if download is legal)
	 * @since: 5.0.5
	 */
	public function _download_template($uid){
		$rslb	= new RevSliderLoadBalancer();
		$return	= false;
		$uid	= $this->clear_uid($uid);
		$uid	= esc_attr($uid);
		$code	= (get_option('revslider-valid', 'false') == 'false') ? '' : get_option('revslider-code', '');
		
		$upload_dir = wp_upload_dir(); // Set upload folder
		// Check folder permission and define file location
		if(wp_mkdir_p($upload_dir['basedir'].$this->templates_path)){ //check here to not flood the server
			$data = array(
				'code'		=> urlencode($code),
				'shop_version' => urlencode(self::SHOP_VERSION),
				'version'	=> urlencode(RS_REVISION),
				'uid'		=> urlencode($uid),
				'product'	=> urlencode(RS_PLUGIN_SLUG)
			);
			
			$request = $rslb->call_url($this->templates_download, $data, 'templates');
			
			if(!is_wp_error($request)){
				if($response = $this->get_val($request, 'body')){
					if($response !== 'invalid'){
						//add stream as a zip file
						$file = $upload_dir['basedir']. $this->templates_path . '/' . $uid.'.zip';
						@mkdir(dirname($file));
						$ret = @file_put_contents( $file, $response );
						if($ret !== false){
							//return $file so it can be processed. We have now downloaded it into a zip file
							$return = $file;
						}else{//else, print that file could not be written
							$return = array('error' => __('Can\'t write the file into the uploads folder of WordPress, please change permissions and try again!', 'revslider'));
						}
					}else{
						$error = ($this->get_addition('selling') === true) ? __('License Key is invalid', 'revslider') : __('Purchase Code is invalid', 'revslider');
						
						$return = array('error' => $error);
					}
				}
			}else{//else, check for error and print it to customer
				$return = array('error' => __('Can\'t connect programatically to the ThemePunch servers, please check your webserver settings', 'revslider'));
			}
		}else{
			$return = array('error' => __('Can\'t write into the uploads folder of WordPress, please change permissions and try again!', 'revslider'));
		}
		
		return $return;
	}
	
	
	/**
	 * Delete the Template file
	 * @since: 5.0.5
	 */
	public function _delete_template($uid){
		$uid		= $this->clear_uid($uid);
		$uid		= esc_attr($uid);
		$upload_dir	= wp_upload_dir(); //Set upload folder
		
		// Check folder permission and define file location
		if(wp_mkdir_p($upload_dir['basedir'] . $this->templates_path)){
			$file = $upload_dir['basedir'] . $this->templates_path . '/' . $uid.'.zip';
			if(file_exists($file)){ //delete file
				return unlink($file);
			}
		}
		return false;
	}
	
	
	/**
	 * Get the Templatelist from servers
	 * @since: 5.0.5
	 */
	public function _get_template_list($force = false){
		$rslb		= new RevSliderLoadBalancer();
		$last_check	= get_option('revslider-templates-check');
		
		if($last_check == false){ //first time called
			$last_check = 172801;
			update_option('revslider-templates-check',  time());
		}
		
		// Get latest Templates
		if(time() - $last_check > 345600 || $force == true){ //4 days
			
			update_option('revslider-templates-check', time());

			$hash = get_option('revslider-templates-hash', '');
			$code = (get_option('revslider-valid', 'false') == 'false') ? '' : get_option('revslider-code', '');
			$data = array(
				'code'		=> urlencode($code),
				'shop_version' => urlencode(self::SHOP_VERSION),
				'hash'		=> urlencode($hash),
				'version'	=> urlencode(RS_REVISION),
				'product'	=> urlencode(RS_PLUGIN_SLUG)
			);
			$request = $rslb->call_url($this->templates_list, $data, 'templates');

			if(!is_wp_error($request)){
				if($response = maybe_unserialize($request['body'])){
					$templates = json_decode($response, true);
					if(is_array($templates)){
						if(isset($templates['hash'])) update_option('revslider-templates-hash', $templates['hash']);
						update_option('rs-templates-new', $templates, false);
					}
				}
			}
			
			$this->update_template_list();
		}
	}
	
	
	/**
	 * Update the Templatelist, move rs-templates-new into rs-templates
	 * @since: 5.0.5
	 */
	private function update_template_list(){
		$new = get_option('rs-templates-new', false);
		$cur = get_option('rs-templates', array());
		
		$counter = 0;
		
		if($new !== false && !empty($new) && is_array($new)){
			if(empty($cur)){
				$cur = $new;
				$counter = (isset($cur['slider']) && is_array($cur['slider'])) ? count($cur['slider']) : $counter;
			}else{
				if(isset($new['slider']) && is_array($new['slider'])){
					if(isset($cur['slider']) && is_array($cur['slider']) && isset($new['slider']) && is_array($cur['slider'])){
						$_n = count($new['slider']);
						$_c = count($cur['slider']);
						$counter = ($_n > $_c) ? $_n - $_c : $counter;
					}
					
					foreach($new['slider'] as $n){
						$found = false;
						if(isset($cur['slider']) && is_array($cur['slider'])){
							foreach($cur['slider'] as $ck => $c){
								if($c['uid'] == $n['uid']){
									if(version_compare($c['version'], $n['version'], '<')){
										$n['is_new'] = true;
										$n['push_image'] = true; //push to get new image and replace
									}
									if(isset($c['is_new'])) $n['is_new'] = true; //is_new will stay until update is done
									
									$n['exists'] = true; //if this flag is not set here, the template will be removed from the list
									
									if(isset($n['new_slider'])){
										unset($n['new_slider']); //remove this again, as the new flag should be removed now
									}
									
									$cur['slider'][$ck] = $n;
									$found = true;
									
									break;
								}
							}
						}
						
						if(!$found){
							$n['exists']	 = true;
							$n['new_slider'] = true;
							$cur['slider'][] = $n;
						}
					}
					
					foreach($cur['slider'] as $ck => $c){ //remove no longer available Slider
						if(!isset($c['exists'])){
							unset($cur['slider'][$ck]);
						}else{
							unset($cur['slider'][$ck]['exists']);
						}
					}
					
					$cur['slides'] = $new['slides']; // push always all slides
				}
			}
			
			update_option('rs-templates', $cur, false);
			update_option('rs-templates-new', false, false);
			
			//$this->_update_images();
		}
		
		update_option('rs-templates-counter', $counter, false);
	}
	
	
	/**
	 * Remove the is_new attribute which shows the "update available" button
	 * @since: 5.0.5
	 */
	public function remove_is_new($uid){
		$cur = get_option('rs-templates', array());
		
		if(isset($cur['slider']) && is_array($cur['slider'])){
			foreach($cur['slider'] as $ck => $c){
				if($c['uid'] == $uid){
					unset($cur['slider'][$ck]['is_new']);
					break;
				}
			}
		}
		
		update_option('rs-templates', $cur, false);
	}
	
	
	/**
	 * Update the Images get them from Server and check for existance on each image
	 * @since: 5.0.5
	 */
	private function _update_images($img = false){
		$rslb	= new RevSliderLoadBalancer();
		$templates = get_option('rs-templates', array());
		$chk	= $this->check_curl_connection();
		$curl	= ($chk) ? new WP_Http_Curl() : false;
		$url	= $rslb->get_url('templates', 0, true);
		$reload	= array();
		
		$loaded = false;
		
		if(!empty($templates) && is_array($templates)){
			$upload_dir = wp_upload_dir(); // Set upload folder
			if(!empty($templates['slider']) && is_array($templates['slider'])){
				foreach($templates['slider'] as $key => $temp){
					if($img !== false){ //we want to download a certain image, check for it
						if($this->get_val($temp, 'img') !== $img) continue;
					}
					
					// Check folder permission and define file location
					if(wp_mkdir_p($upload_dir['basedir']. $this->templates_path)){
						$file = $upload_dir['basedir'] . $this->templates_path . '/' . $temp['img'];
						
						if(!file_exists($file) || isset($temp['push_image'])){
							if($curl !== false){
								$done	= false;
								$count	= 0;
								do{
									$image_data = @$curl->request($url.'/'.$this->templates_server_path.$temp['img']); // Get image data
									if(!is_wp_error($image_data) && isset($image_data['body']) && isset($image_data['response']) && isset($image_data['response']['code']) && $image_data['response']['code'] == '200'){
										$image_data = $image_data['body'];
										$done = true;
									}else{
										$image_data = false;
										$rslb->move_server_list();
										$url = $rslb->get_url('templates', 0, true);
									}
									$count++;
								}while($done == false && $count < 5);
							}else{
								$count = 0;
								do{
									$image_data = @file_get_contents($url.'/'.$this->templates_server_path.$temp['img']); // Get image data
									if($image_data == false){
										$rslb->move_server_list();
										$url = $rslb->get_url('templates', 0, true);
									}
									$count++;
								}while($image_data == false && $count < 5);
							}
							if($image_data !== false){
								$reload[$temp['alias']] = true;
								unset($templates['slider'][$key]['push_image']);
								if(!is_dir(dirname($file))){
									mkdir(dirname($file), 0777, true);
								}
								@file_put_contents($file, $image_data);
								
								$loaded = $file;
							}
						}else{//use default image
						}
					}else{//use default images
					}
				}
			}
			if($loaded === false){
				if(!empty($templates['slides']) && is_array($templates['slides'])){
					foreach($templates['slides'] as $key => $temp){
						foreach($temp as $k => $tvalues){
							if($img !== false){ //we want to download a certain image, check for it
								if($this->get_val($tvalues, 'img') !== $img) continue;
							}
							
							// Check folder permission and define file location
							if(wp_mkdir_p($upload_dir['basedir']. $this->templates_path)){
								$file = $upload_dir['basedir'] . $this->templates_path . '/' . $tvalues['img'];
								
								if(!file_exists($file) || isset($reload[$key])){ //update, so load again
									if($curl !== false){
										//curl_setopt( $curl, CURLOPT_CAINFO, RS_PLUGIN_PATH.'cert.crt'); //'sslcertificates'
										$done	= false;
										$count	= 0;
										do{
											$image_data = @$curl->request($url.'/'.$this->templates_server_path.$tvalues['img']); // Get image data
											if(!is_wp_error($image_data) && isset($image_data['body']) && isset($image_data['response']) && isset($image_data['response']['code']) && $image_data['response']['code'] == '200'){
												$image_data = $image_data['body'];
												$done = true;
											}else{
												$image_data = false;
												$rslb->move_server_list();
												$url = $rslb->get_url('templates', 0, true);
											}
											$count++;
										}while($done == false && $count < 5);
									}else{
										$count = 0;
										do{
											$image_data = @file_get_contents($url.'/'.$this->templates_server_path.$tvalues['img']); // Get image data
											if($image_data == false){
												$rslb->move_server_list();
												$url = $rslb->get_url('templates', 0, true);
											}
											$count++;
										}while($image_data == false && $count < 5);
									}
									if($image_data !== false){
										if(!is_dir(dirname($file))){
											mkdir(dirname($file), 0777, true);
										}
										file_put_contents($file, $image_data);
									}
								}
							}
						}
					}
				}
			}
		}
		
		update_option('rs-templates', $templates, false); //remove the push_image
	}
	
	
	/**
	 * Copy a Slide to the Template Slide list
	 * @since: 5.0
	 * @before: RevSliderTemplate::copySlideToTemplates()
	 */
	public function copy_slide_to_templates($slide_id, $slide_title, $slide_settings = array()){
		if(intval($slide_id) == 0) return false;
		$slide_title = sanitize_text_field($slide_title);
		if(strlen(trim($slide_title)) < 3) return false;
		
		global $wpdb;
		
		$duplicate = $wpdb->get_row($wpdb->prepare("SELECT * FROM ". $wpdb->prefix . RevSliderFront::TABLE_SLIDES ." WHERE id = %s", $slide_id), ARRAY_A);
		
		if(empty($duplicate)) // slide not found
			return false;
		
		unset($duplicate['id']);
		
		$duplicate['slider_id']		= -1; //-1 sets it to be a template
		$duplicate['slide_order']	= -1;
		
		$params = json_decode($duplicate['params'], true);
		$settings = json_decode($duplicate['settings'], true);
		
		$params['title'] = $slide_title;
		if(!isset($params['publish'])) $params['publish'] = array();
		$params['publish']['state'] = 'published';
		
		if(isset($slide_settings['width'])) $settings['width'] = intval($slide_settings['width']);
		if(isset($slide_settings['height'])) $settings['height'] = intval($slide_settings['height']);
		
		$duplicate['params']	= json_encode($params);
		$duplicate['settings']	= json_encode($settings);
		
		$response = $wpdb->insert($wpdb->prefix . RevSliderFront::TABLE_SLIDES, $duplicate);
		
		return ($response) ? true : false;
	}
	
	
	/**
	 * Get all Template Slides
	 * @since: 5.0
	 * @before: RevSliderTemplate::getTemplateSlides();
	 */
	public function get_template_slides(){
		global $wpdb;
		
		$templates	= $wpdb->get_results($wpdb->prepare("SELECT * FROM ". $wpdb->prefix . RevSliderFront::TABLE_SLIDES ." WHERE slider_id = %s", -1), ARRAY_A);
		//add default Template Slides here!
		$default	= $this->get_default_template_slides();
		$templates	= array_merge($templates, $default);
		
		if(!empty($templates)){
			foreach($templates as $key => $template){
				$templates[$key]['params']		= json_decode($template['params'], true);
				//$templates[$key]['layers']	= json_decode($template['layers'], true);
				$templates[$key]['settings']	= json_decode($template['settings'], true);
			}
		}
		
		return $templates;
	}
	
	
	/**
	 * Add default Template Slides that can't be deleted for example. Authors can add their own Slides here through Filter
	 * @since: 5.0
	 * @before: RevSliderTemplate::getDefaultTemplateSlides();
	 */
	private function get_default_template_slides(){
		$templates = array();
		$templates = apply_filters('revslider_set_template_slides', $templates);
		
		return $templates;
	}
	
	
	/**
	 * get default ThemePunch default Slides
	 * @since: 5.0
	 * @before: RevSliderTemplate::getThemePunchTemplateSlides()
	 */
	public function get_tp_template_slides($sliders = false){
		global $wpdb;
		
		$templates		= array();
		$slide_defaults	= array();
		
		if($sliders == false){
			$sliders = $this->get_tp_template_sliders();
		}
		
		if(!empty($sliders)){
			foreach($sliders as $slider){
				$slides		= $this->get_tp_template_default_slides($slider['alias']);
				$installed	= false;
				
				if($this->get_val($slider, 'installed', false) !== false){
					$cur_slides = $wpdb->get_results($wpdb->prepare("SELECT * FROM ". $wpdb->prefix . RevSliderFront::TABLE_SLIDES ." WHERE slider_id = %s", $slider['installed']), ARRAY_A);
					$installed	= true;
				}else{
					$cur_slides = $slides;
				}
				
				if(!empty($cur_slides)){
					$i = 1;
					foreach($cur_slides as $key => $tmpl){
						if(isset($slides[$key]) && !empty($slides[$key]['img'])) $cur_slides[$key]['img']	= $this->_check_file_path($slides[$key]['img'], true, false);
						if($this->get_val($tmpl, 'title', false) === false) $cur_slides[$key]['title']		= 'Slide '.$i;
						$cur_slides[$key]['uid']	= $this->get_val($slider, 'uid');
						$cur_slides[$key]['parent']	= $this->get_val($slider, 'id');
						if($installed){
							$cur_slides[$key]['installed'] = $this->get_val($tmpl, 'id');
						}
						
						//addon requirements
						$cur_slides[$key]['plugin_require'] = $this->get_val($slider, 'plugin_require', array());
						
						$i++;
					}
				}
				
				$templates = array_merge($templates, $cur_slides);
			}
		}
		
		if(!empty($templates)){
			foreach($templates as $key => $template){
				if($this->get_val($template, 'installed', false) !== false){
					$template['params']		= $this->get_val($template, 'params', '');
					$template['layers']		= $this->get_val($template, 'layers', '');
					$template['settings']	= $this->get_val($template, 'settings', '');
					
					$templates[$key]['params']	 = json_decode($template['params'], true);
					//$templates[$key]['layers'] = json_decode($template['layers'], true);
					$templates[$key]['settings'] = json_decode($template['settings'], true);
					
					//add missing uid and zipname
				}
				
				//$templates[$key]['slider_id'] = json_decode($template['settings'], true);
			}
		}
		
		return $templates;
	}
	
	
	/**
	 * get default ThemePunch default Slides
	 * @since: 5.0
	 * @before: RevSliderTemplate::getThemePunchTemplateDefaultSlides()
	 */
	public function get_tp_template_default_slides($slider_alias){
		
		$templates	= get_option('rs-templates', array());
		$slides		= (isset($templates['slides']) && !empty($templates['slides'])) ? $templates['slides'] : array();
		
		return (isset($slides[$slider_alias])) ? $slides[$slider_alias] : array();
	}
	
	
	/**
	 * Get default Template Sliders
	 * @since: 5.0
	 * @before: RevSliderTemplate::getDefaultTemplateSliders();
	 */
	public function get_default_template_sliders(){
		global $wpdb;
		
		$sliders = array();
		$check = array();
		
		//add themepunch default Sliders here
		$check = $wpdb->get_results("SELECT * FROM ". $wpdb->prefix . RevSliderFront::TABLE_SLIDER ." WHERE type = 'template'", ARRAY_A);
		
		$sliders = apply_filters('revslider_set_template_sliders', $sliders);
		
		/**
		 * Example		 
			$sliders['Slider Pack Name'] = array(
				array('title' => 'PJ Slider 1', 'alias' => 'pjslider1', 'width' => 1400, 'height' => 868, 'zip' => 'exwebproduct.zip', 'uid' => 'bde6d50c2f73f8086708878cf227c82b', 'installed' => false, 'img' => RS_PLUGIN_URL .'admin/assets/imports/exwebproduct.jpg'),
				array('title' => 'PJ Classic Slider', 'alias' => 'pjclassicslider', 'width' => 1240, 'height' => 600, 'zip' => 'classicslider.zip', 'uid' => 'a0d6a9248c9066b404ba0f1cdadc5cf2', 'installed' => false, 'img' => RS_PLUGIN_URL .'admin/assets/imports/classicslider.jpg')
			);
		 **/
		
		if(!empty($check) && !empty($sliders)){
			foreach($sliders as $key => $the_sliders){
				foreach($the_sliders as $skey => $slider){
					foreach($check as $ikey => $installed){
						if($installed['alias'] == $slider['alias']){ //.'-template'
							$img = $this->get_val($slider, 'img');
							$sliders[$key][$skey] = $installed;
							$sliders[$key][$skey]['img'] = $this->_check_file_path($img, true, false);
							
							$sliders[$key]['alias']	  = $sliders[$key]['alias']; //.'-template'
							$sliders[$key]['version'] = $this->get_val($slider, 'version', '');
							if(isset($slider['is_new'])) $sliders[$key]['is_new'] = true;
							
							$preview = (isset($slider['preview'])) ? $slider['preview'] : false;
							if($preview !== false) $sliders[$key]['preview'] = $preview;
							
							break;
						}
					}
				}
			}
		}
		
		if(!empty($sliders)){
			foreach($sliders as $dk => $slider){
				$sliders[$dk]['plugin_require'] = json_decode($sliders[$dk]['plugin_require'], true);
				
				$tags	= $sliders[$dk]['filter'];
				$tags[]	= $sliders[$dk]['cat'];
				$sliders[$dk]['tags'] = $tags;
				if(!isset($sliders[$dk]['setup_notes'])){
					$sliders[$dk]['setup_notes'] = '<span class="ttm_content">Checkout our <a href="https://www.themepunch.com/revslider-doc/slider-revolution-documentation/" target="_blank">Documentation</a> for basic Slider Revolution help.</span>';
				}
				
				unset($sliders[$dk]['filter']);
				unset($sliders[$dk]['cat']);
			}
		}
		
		return $sliders;
	}
	
	
	/**
	 * get default ThemePunch default Sliders
	 * @since: 5.0
	 * @before: RevSliderTemplate::getThemePunchTemplateSliders()
	 */
	public function get_tp_template_sliders($uid = false){
		global $wpdb;
		
		$sliders	 = array();
		$plugin_list = array();
		
		//add themepunch default Sliders here
		$sliders = $wpdb->get_results("SELECT * FROM ". $wpdb->prefix . RevSliderFront::TABLE_SLIDER ." WHERE type = 'template'", ARRAY_A);
		
		$defaults = get_option('rs-templates', array());
		$defaults = $this->get_val($defaults, 'slider', array());
		
		if(!empty($sliders) && !empty($defaults)){

			foreach($defaults as $key => $slider){
				if($uid !== false && $uid !== $this->get_val($slider, 'uid')){
					unset($defaults[$key]);
					continue;
				}
				foreach($sliders as $ikey => $installed){
					if($installed['alias'] == $slider['alias']){ //.'-template'
						
						//check if $sliders has slides, if not, set for redownload by deleting Template Slider in table
						$c_slides = $this->get_tp_template_slides(array($installed));
						if(empty($c_slides)){
							//delete slider in table
							$wpdb->delete($wpdb->prefix . RevSliderFront::TABLE_SLIDER, array('type' => 'template', 'id' => $installed['id']));
							break;
						}
						
						$preview = $this->get_val($slider, 'preview', false);
						$id		 = $this->get_val($installed, 'id');
						unset($installed['id']);
						
						$defaults[$key]['alias']	 = $defaults[$key]['alias']; //.'-template'
						$defaults[$key]				 = array_merge($defaults[$key], $installed);
						$defaults[$key]['installed'] = $id;
						$defaults[$key]['img']		 = $this->_check_file_path($slider['img'], true, false);
						$defaults[$key]['version']	 = $slider['version'];
						$defaults[$key]['cat']		 = $slider['cat'];
						$defaults[$key]['filter']	 = $slider['filter'];
						
						if(isset($slider['is_new'])){
							$defaults[$key]['is_new']	= true;
							$defaults[$key]['width']	= $slider['width'];
							$defaults[$key]['height']	= $slider['height'];
						}
						$defaults[$key]['zip'] = $slider['zip'];
						$defaults[$key]['uid'] = $slider['uid'];
						
						if(isset($slider['new_slider'])) $defaults[$key]['new_slider'] = $slider['new_slider'];
						
						if($preview !== false) $defaults[$key]['preview'] = $preview;
						break;
					}
				}
			}
			
			foreach($defaults as $dk => $di){ //check here if package parent needs to be set to installed, as all others
				if(isset($di['package_parent']) && $di['package_parent'] == 'true'){
					$full_installed = true;
					foreach($defaults as $k => $ps){
						if($dk !== $k && isset($ps['package_id']) && $ps['package_id'] === $di['package_id']){ //ignore comparing of the same, as it can never be installed
							if($this->get_val($ps, 'installed') !== false){
								$full_installed = false;
								break;
							}
						}
					}
					
					if($full_installed){
						if($this->get_val($defaults[$dk], 'installed') !== false){
							unset($defaults[$dk]['installed']);
						}
					}
				}
			}
		}
		
		if(!empty($defaults)){
			$favorite = new RevSliderFavorite();
			
			foreach($defaults as $dk => $default){
				if($uid !== false && $uid !== $this->get_val($default, 'uid')){
					unset($defaults[$dk]);
					continue;
				}
				$defaults[$dk]['plugin_require'] = json_decode($defaults[$dk]['plugin_require'], true);
				
				if(!empty($defaults[$dk]['plugin_require'])){
					foreach($defaults[$dk]['plugin_require'] as $pr => $plugin){
						$path = $this->get_val($plugin, 'path');
						if(!isset($plugin_list[$path])){
							$plugin_list[$path] = (is_plugin_active(esc_attr($path))) ? true : false;
						}
						$defaults[$dk]['plugin_require'][$pr]['installed'] = ($plugin_list[$path] === true) ? true : false;
					}
				}
				
				//$defaults[$dk]['img'] = $this->_check_file_path($defaults[$dk]['img'], true, false);
				$defaults[$dk]['img'] = $defaults[$dk]['img'];
				$tags	= $defaults[$dk]['filter'];
				$tags[]	= $defaults[$dk]['cat'];
				$defaults[$dk]['tags'] = $tags;
				unset($defaults[$dk]['filter']);
				unset($defaults[$dk]['cat']);
				
				if(!isset($defaults[$dk]['setup_notes'])){
					$defaults[$dk]['setup_notes'] = '<span class="ttm_content">Checkout our <a href="https://www.themepunch.com/revslider-doc/slider-revolution-documentation/" target="_blank">Documentation</a> for basic Slider Revolution help.</span>';
				}
				
				$id = $this->get_val($default, 'id', 0);
				$defaults[$dk]['favorite'] = $favorite->is_favorite('moduletemplates', $id);
			}
		}
		
		krsort($defaults);
		
		return $defaults;
	}
	
	
	/**
	 * get the template sliders for the get_full_library function
	 * @since: 6.0
	 */
	public function get_tp_template_sliders_for_library($leave_counter = false){
		$templates = $this->get_tp_template_sliders();
		$addons = array();
		if(!empty($templates)){
			foreach($templates as $k => $t){
				if(isset($templates[$k]['params'])) unset($templates[$k]['params']);
			}
		}
		
		if(!$this->_truefalse($leave_counter)){
			update_option('rs-templates-counter', 0, false); //reset the counter
		}
		return $templates;
	}
	
	
	/**
	 * get the template slides for the get_full_library function
	 * @since: 6.0
	 */
	public function get_tp_template_slides_for_library($tmp_slide_uid){
		$tmp_slide_uid = (array)$tmp_slide_uid;
		if(!empty($tmp_slide_uid)){
			$templates = array();
			foreach($tmp_slide_uid as $tmp_uid){
				$templates = $this->get_tp_template_sliders($tmp_uid);
			}
		}else{
			$templates = $this->get_tp_template_sliders();
		}
		
		$templates_slides = $this->get_tp_template_slides($templates);
		
		if(!empty($templates_slides)){
			foreach($templates_slides as $t_k => $t_slide){
				if(isset($t_slide['params'])) unset($templates_slides[$t_k]['params']);
				if(isset($t_slide['layers'])) unset($templates_slides[$t_k]['layers']);
				if(isset($t_slide['settings'])) unset($templates_slides[$t_k]['settings']);
			}
		}
		
		return $templates_slides;
	}
	
	
	/**
	 * check if image was uploaded, if yes, return path or url
	 * @since: 5.0.5
	 */
	public function _check_file_path($image, $url = false, $download = true){
		$upload_dir	 = wp_upload_dir(); // Set upload folder
		$file		 = $upload_dir['basedir'] . $this->templates_path . '/' . $image;
		
		if(file_exists($file)){ //downloaded image first, for update reasons
			$image = ($url) ? $upload_dir['baseurl'] . $this->templates_path . '/' . $image : $upload_dir['basedir'] . $this->templates_path . '/' . $image; //server path
		}elseif($download === true){
			//redownload image from server and store it
			$this->_update_images($image);
			if(file_exists($file)){ //downloaded image first, for update reasons
				$image = ($url) ? $upload_dir['baseurl'] . $this->templates_path . '/' . $image : $upload_dir['basedir'] . $this->templates_path . '/' . $image; //server path
			}
		}
		
		return $image;
	}
	
	
	/**
	 * Get all uids from a certain package, by one uid
	 * @since: 5.2.5
	 */
	public function get_package_uids($uid, $sliders = false){
		if($sliders == false){
			$sliders = $this->get_tp_template_sliders();
		}
		
		$uids = array();
		
		$package = false;
		foreach($sliders as $slider){
			if($slider['uid'] == $uid){
				if(isset($slider['package'])){
					$package = $slider['package'];
				}
				break;
			}
		}
		
		if($package !== false){
			$i = 0;
			$tuids = array();
			foreach($sliders as $slider){
				if(isset($slider['package']) && $slider['package'] == $package){
					if(isset($slider['package_parent']) && $slider['package_parent'] == 'true') continue; //dont install parent package
					
					if($this->get_val($slider, 'installed') !== false){ //add an invalid slider id as we have not yet installed it
						$i--;
						$sid = $i;
					}else{ //add the installed slider id, as we have the template installed already
						$sid = $slider['id'];
					}
					$order = (isset($slider['package_order'])) ? $slider['package_order'] : 0;
					$tuids[] = array(
						'uid' => $slider['uid'],
						'sid' => $sid,
						'order' => $order
					);
				}
			}
		}
		if(!empty($tuids)){
			usort($tuids, array($this, 'sort_by_order'));
			foreach($tuids as $uid){
				$uids[$uid['sid']] = $uid['uid'];
			}
		}
		
		return $uids;
	}
	
	
	/**
	 * check if Slider Template was already imported. If yes, remove the old Slider Template as we now do an "update" (in reality we delete and insert again)
	 */
	public function remove_old_template($uid){
		//get all template sliders
		$templates = $this->get_tp_template_sliders();
		
		foreach($templates as $tslider){
			if($this->get_val($tslider, 'uid') == $uid){
				if($this->get_val($tslider, 'installed', false) !== false){ //slider is installed
					//delete template Slider!
					$mSlider = new RevSliderSlider();
					$mSlider->init_by_id($tslider['installed']);
					
					$mSlider->delete_slider();
					//remove the update flag from the slider
					
					$this->remove_is_new($uid);
				}
				break;
			}
		}
	}
	
	
	public function sort_by_order($a, $b) {
		return $a['order'] - $b['order'];
	}

	
	/**
	 * check if all Slider of a certain package is installed, do this with the uid of a slider
	 * @since: 5.2.5
	 */
	public function check_package_all_installed($uid, $sliders = false){
		$uids = $this->get_package_uids($uid, $sliders);
		
		foreach($uids as $sid => $uid){
			if($sid < 0) return false;
		}
		
		return true;
		
	}
	
	
	/**
	 * Check if Curl can be used
	 */
	public function check_curl_connection(){
		
		if($this->curl_check !== null) return $this->curl_check;
		
		$curl = new WP_Http_Curl();
		
		$this->curl_check = $curl->test();
		
		return $this->curl_check;
	}
	
	
	/**
	 * get the template existing categories, merging filter and cat
	 **/
	public function get_template_categories(){
		$cat = array();
		
		$defaults = get_option('rs-templates', array());
		$defaults = $this->get_val($defaults, 'slider', array());
		
		if(!empty($defaults)){
			foreach($defaults as $def){
				$d_cat		= $this->get_val($def, 'cat', '');
				$d_filter	= $this->get_val($def, 'filter', array());
				if(trim($d_cat) !== '' && !isset($cat[$d_cat])) $cat[$d_cat] = ucfirst($d_cat);
				
				if(!empty($d_filter)){
					foreach($d_filter as $filter){
						if(trim($filter) !== '' && !isset($cat[$filter])) $cat[$filter] = ucfirst($filter);
					}
				}
			}
		}
		return $cat;
	}
	
	
	/**
	 * get the slide thumbnail
	 **/
	public function get_slide_image_by_uid($uid, $slidenumber){
		$defaults	= get_option('rs-templates', array());
		$sliders	= $this->get_val($defaults, 'slider', array());
		$slides		= $this->get_val($defaults, 'slides', array());
		$image		= false;
		
		foreach($sliders as $slider){
			if($this->get_val($slider, 'uid') != $uid) continue;
			
			$alias = $this->get_val($slider, 'alias');
			$slide = $this->get_val($slides, $alias, array());
			
			if(!empty($slide)){
				$sl		= $this->get_val($slide, $slidenumber, array());
				$image	= $this->get_val($sl, 'img');
			}
			break;
		}
		
		return ($image !== false) ? $this->_check_file_path($image, true, true) : $image;
	}
	
	
	/**
	 * get the slide thumbnail
	 **/
	public function get_slider_id_by_uid($uid){
		$templates = $this->get_tp_template_sliders();
		$slider_id = 0;
		
		foreach($templates as $template){
			if($this->get_val($template, 'uid') == $uid){
				$slider_id = $this->get_val($template, 'installed');
				$slider_id = intval($slider_id);
				break;
			}
		}
		
		return $slider_id;
	}
	
	/**
	 * clears the uid to make sure no illegal characters are in it
	 **/
	public function clear_uid($uid){
		return preg_replace("/[^a-zA-Z0-9\s]/", '', $uid);
	}
}

?>