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✏️ Editing: class-themeforest-widget.php

<?php
/*-----------------------------------------------------------------------------------*/
/*	ThemeForest Widget Class
/*-----------------------------------------------------------------------------------*/

class MKS_ThemeForest_Widget extends WP_Widget {
  
  var $tf_cats; //ThemeForest items categories
  var $exclude; //Wheter to exclude items or not
  var $defaults;
  
	function __construct() {
		$widget_ops = array( 'classname' => 'mks_themeforest_widget', 'description' => __('Display ThemeForest items with this widget', 'meks-themeforest-smart-widget') );
		$control_ops = array( 'id_base' => 'mks_themeforest_widget' );
		parent::__construct( 'mks_themeforest_widget', __('Meks ThemeForest Smart Widget', 'meks-themeforest-smart-widget'), $widget_ops, $control_ops );
		
		$this->tf_cats = array(
			array('name' => 'wordpress', 'title' => 'WordPress'),
			array('name' => 'site-templates', 'title' => 'Site Templates'),
			array('name' => 'psd-templates', 'title' => 'PSD Templates'),
			array('name' => 'cms-themes', 'title' => 'CMS Themes'),
			array('name' => 'ecommerce', 'title' => 'eCommerce'),
			array('name' => 'blogging', 'title' => 'Blogging'),
			array('name' => 'marketing', 'title' => 'Marketing'),
			array('name' => 'forums', 'title' => 'Forums'),
			array('name' => 'muse-templates', 'title' => 'Muse Templates'),
			array('name' => 'typeengine-themes', 'title' => 'TypeEngine Themes')
		);

$this->exclude = array();
		
		if(!is_admin()){
		  add_action( 'wp_enqueue_scripts', array($this,'enqueue_styles'));
		}

$this->defaults = array( 
			'title' => 'ThemeForest',
			'description' => '',
			'items_type' => array('wordpress'),
			'items_from' => 'user',
			'user' => 'meks',
			'num_items' => 9,
			'orderby' => 'uploaded_on',
			'ref' => 'meks',
			'more_link_url' => 'http://themeforest.net/user/meks/portfolio?ref=meks',
			'more_link_txt' => __('View more','meks-themeforest-smart-widget'),
			'order' => 'desc',
			'target' => '_blank',
			'exclude' => '',
			'nofollow'	=> 0
		);

//Allow themes or plugins to modify default parameters
		$this->defaults = apply_filters('mks_tf_widget_modify_defaults', $this->defaults);
			
	}

function widget( $args, $instance ) {
		extract( $args );
		$instance = wp_parse_args( (array) $instance, $this->defaults );
		$title = apply_filters('widget_title', $instance['title'] );
		
		echo $before_widget;

if ( !empty($title) ) {
			echo $before_title . $title . $after_title;
		} ?>
		
		<?php if(!empty($instance['description'])) : ?>
			<p><?php echo nl2br($instance['description']);?></p>
		<?php endif; ?>
		
		<?php 
				
	  if(isset($instance['exclude']) && !empty($instance['exclude'])){
	  	$this->exclude = explode(',', $instance['exclude']);
	  	$this->exclude = array_map('absint', $this->exclude);
	  }
	  
	  $items = array();
	  switch($instance['items_from']){
	  	case 'popular': $items = $this->get_popular_items($instance['items_type']); break;
	  	case 'latest': $items = $this->get_latest_items($instance['items_type']); break;
	  	default: 
	  		if(!empty($instance['user'])){
					$users = array_map('trim',explode(',', $instance['user']));
					$items = $this->get_items_from_users($users, $instance['items_type']);
				} break;
	  }
	  
		if(!empty($items)):
			$this->orderby = $instance['orderby'];
			$this->items_order = $instance['order'];
			if($this->orderby != 'random'){
				usort($items, array($this, "cmp"));
			} else {
				shuffle($items);
			}
			$items = array_slice($items, 0, absint($instance['num_items']) );
			$ref = !empty($instance['ref']) ? '?ref='.$instance['ref'] : ''; 
			$target = !empty($instance['target']) ? $instance['target'] : '_blank';

$nofollow = $instance['nofollow'] ? 'rel="nofollow"' : '';
	?>
			<ul class="mks_themeforest_widget_ul">	
			<?php foreach($items as $item) : ?>
				<li><a href="<?php echo $item['url'].$ref; ?>" title="<?php echo $item['item']; ?>" target="<?php echo $target; ?>" <?php echo $nofollow; ?>><img width="80" height="80" src="<?php echo $item['thumbnail'];?>" alt="<?php echo $item['item']; ?> "/></a></li>
			<?php endforeach; ?>
		 </ul>
		 <?php if(!empty($instance['more_link_url'])): ?>
		 <?php $more_text = isset($instance['more_link_txt']) && !empty($instance['more_link_txt']) ? $instance['more_link_txt'] : __('View more', 'meks-themeforest-smart-widget'); ?>
		  <p class="mks_read_more"><a href="<?php echo esc_url($instance['more_link_url']); ?>" target="_blank" class="more" <?php echo $nofollow; ?>><?php echo  esc_html($more_text); ?></a></p>
		 <?php endif; ?>
		<?php endif; ?>
		
		<?php
		echo $after_widget;
	}

function update( $new_instance, $old_instance ) {
	  $instance = $old_instance;
	  $instance['title'] = strip_tags( $new_instance['title'] );
	  $instance['description'] = strip_tags( $new_instance['description'] );
	  $instance['user'] = strip_tags( $new_instance['user'] );
	  $instance['num_items'] = absint( $new_instance['num_items'] );
	  $instance['exclude'] = strip_tags( $new_instance['exclude'] );
	  $instance['ref'] = strip_tags( $new_instance['ref'] );
	  $instance['orderby'] = strip_tags( $new_instance['orderby'] );
	  $instance['more_link_url'] = $new_instance['more_link_url'];
	  $instance['more_link_txt'] = $new_instance['more_link_txt'];
	  $instance['order'] = $new_instance['order'];
	  $instance['items_type'] = $new_instance['items_type'];
	  $instance['items_from'] = $new_instance['items_from'];
	  $instance['target'] = $new_instance['target'];
	  $instance['nofollow'] = isset($new_instance['nofollow']) ? 1 : 0;
	  return $instance;
	}

function form( $instance ) {

$instance = wp_parse_args( (array) $instance, $this->defaults ); ?>
		
		<p>
			<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e('Title', 'meks-themeforest-smart-widget'); ?>:</label>
			<input id="<?php echo $this->get_field_id( 'title' ); ?>" type="text" name="<?php echo $this->get_field_name( 'title' ); ?>" value="<?php echo $instance['title']; ?>" class="widefat" />
		</p>
		
		<p>
			<label for="<?php echo $this->get_field_id( 'description' ); ?>"><?php _e('Description', 'meks-themeforest-smart-widget'); ?>:</label>
			<textarea id="<?php echo $this->get_field_id( 'description' ); ?>" rows="5" name="<?php echo $this->get_field_name( 'description' ); ?>" class="widefat"><?php echo $instance['description']; ?></textarea>
		</p>
		
		<p>
			<label><?php _e('Item categories to show', 'meks-themeforest-smart-widget'); ?>:</label><br/>
			<?php foreach($this->tf_cats as $cat) : ?>
				<input id="<?php echo $this->get_field_id( $cat['name'].'_id' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'items_type' ); ?>[]" value="<?php echo $cat['name']; ?>" <?php echo in_array($cat['name'], $instance['items_type']) ? 'checked' : ''; ?> /> <label for="<?php echo $this->get_field_id( $cat['name'].'_id' ); ?>"><?php echo $cat['title']; ?></label><br/>
	  	<?php endforeach; ?>
	  </p>
	  
	  <p>
			<label><?php _e('Select items from', 'meks-themeforest-smart-widget'); ?>:</label><br/>
			<input id="<?php echo $this->get_field_id( 'select_from_popular' ); ?>" type="radio" name="<?php echo $this->get_field_name( 'items_from' ); ?>" value="popular" <?php checked($instance['items_from'],'popular');?> /> <label for="<?php echo $this->get_field_id( 'select_from_popular' ); ?>"><?php _e('Popular Items (WordPress Only)', 'meks-themeforest-smart-widget'); ?></label><br/>
			<input id="<?php echo $this->get_field_id( 'select_from_latest' ); ?>" type="radio" name="<?php echo $this->get_field_name( 'items_from' ); ?>" value="latest" <?php checked($instance['items_from'],'latest');?> /> <label for="<?php echo $this->get_field_id( 'select_from_latest' ); ?>"><?php _e('Latest Items', 'meks-themeforest-smart-widget'); ?></label><br/>
			<input id="<?php echo $this->get_field_id( 'select_from_user' ); ?>" type="radio" name="<?php echo $this->get_field_name( 'items_from' ); ?>" value="user" <?php checked($instance['items_from'],'user');?> /> <label for="<?php echo $this->get_field_id( 'select_from_user' ); ?>"><?php _e('Specific User(s)', 'meks-themeforest-smart-widget'); ?></label>
	  </p>
		
		<p>
			<label for="<?php echo $this->get_field_id( 'user' ); ?>"><?php _e('ThemeForest username(s)', 'meks-themeforest-smart-widget'); ?>:</label>
			<input id="<?php echo $this->get_field_id( 'user' ); ?>" type="text" name="<?php echo $this->get_field_name( 'user' ); ?>" value="<?php echo strip_tags($instance['user']); ?>" class="widefat" />
		  <small class="howto"><?php _e('For multiple users, separate by comma: i.e. user1,user2,user3', 'meks-themeforest-smart-widget'); ?></small>
		</p>

<p>
			<label for="<?php echo $this->get_field_id( 'num_items' ); ?>"><?php _e('Number of items to show', 'meks-themeforest-smart-widget'); ?>:</label>
			<input id="<?php echo $this->get_field_id( 'num_items' ); ?>" type="text" name="<?php echo $this->get_field_name( 'num_items' ); ?>" value="<?php echo absint($instance['num_items']); ?>" class="widefat" />
		</p>
		
		<p>
			<label><?php _e('Order by', 'meks-themeforest-smart-widget'); ?>:</label>
				<select id="<?php echo $this->get_field_id( 'orderby' ); ?>" name="<?php echo $this->get_field_name( 'orderby' ); ?>" value="<?php echo esc_attr($instance['orderby']); ?>" class="widefat" >
					<option value="uploaded_on" <?php selected($instance['orderby'],'uploaded_on');?>><?php _e('Upload date', 'meks-themeforest-smart-widget'); ?></option>
					<option value="last_update" <?php selected($instance['orderby'],'last_update');?>><?php _e('Last update', 'meks-themeforest-smart-widget'); ?></option>
					<option value="sales" <?php selected($instance['orderby'],'sales');?>><?php _e('Number of sales', 'meks-themeforest-smart-widget'); ?></option>
					<option value="cost" <?php selected($instance['orderby'],'cost');?>><?php _e('Price', 'meks-themeforest-smart-widget'); ?></option>
					<option value="random" <?php selected($instance['orderby'],'random');?>><?php _e('Random', 'meks-themeforest-smart-widget'); ?></option>
		  	</select>
		</p>
		
		<p>
			<input id="<?php echo $this->get_field_id( 'order_asc' ); ?>" type="radio" name="<?php echo $this->get_field_name( 'order' ); ?>" value="asc" <?php checked($instance['order'],'asc');?> /> <label for="<?php echo $this->get_field_id( 'order_asc' ); ?>"><?php _e('Ascending', 'meks-themeforest-smart-widget'); ?></label>
			<input id="<?php echo $this->get_field_id( 'order_desc' ); ?>" type="radio" name="<?php echo $this->get_field_name( 'order' ); ?>" value="desc" <?php checked($instance['order'],'desc');?> /> <label for="<?php echo $this->get_field_id( 'order_desc' ); ?>"><?php _e('Descending', 'meks-themeforest-smart-widget'); ?></label>
	    </p>

<p>
			<label for="<?php echo $this->get_field_id( 'exclude' ); ?>"><?php _e('Exclude item(s)', 'meks-themeforest-smart-widget'); ?>:</label>
			<input id="<?php echo $this->get_field_id( 'exclude' ); ?>" type="text" name="<?php echo $this->get_field_name( 'exclude' ); ?>" value="<?php echo strip_tags($instance['exclude']); ?>" class="widefat" />
		  <small class="howto"><?php _e('Specify item ID to exclude specific item (separate by comma for multiple items): i.e. 8134834,7184572', 'meks-themeforest-smart-widget'); ?></small>
		</p>
		
		<p>
			<label for="<?php echo $this->get_field_id( 'ref' ); ?>"><?php _e('Referral user', 'meks-themeforest-smart-widget'); ?>:</label>
			<input id="<?php echo $this->get_field_id( 'ref' ); ?>" type="text" name="<?php echo $this->get_field_name( 'ref' ); ?>" value="<?php echo strip_tags($instance['ref']); ?>" class="widefat" />
			<small class="howto"><?php _e('Specify username if you want to use items as ThemeForest affiliate links', 'meks-themeforest-smart-widget'); ?></small>
		</p>		
		
		<p>
			<label for="<?php echo $this->get_field_id( 'more_link_url' ); ?>"><?php _e('More link URL', 'meks-themeforest-smart-widget'); ?>:</label>
			<input id="<?php echo $this->get_field_id( 'more_link_url' ); ?>" type="text" name="<?php echo $this->get_field_name( 'more_link_url' ); ?>" value="<?php echo esc_attr($instance['more_link_url']); ?>" class="widefat" />
			<small class="howto"><?php _e('Specify URL if you want to show "more" link under the items list', 'meks-themeforest-smart-widget'); ?></small>
		</p>

<p>
			<label for="<?php echo $this->get_field_id( 'more_link_txt' ); ?>"><?php _e('More link text', 'meks-themeforest-smart-widget'); ?>:</label>
			<input id="<?php echo $this->get_field_id( 'more_link_txt' ); ?>" type="text" name="<?php echo $this->get_field_name( 'more_link_txt' ); ?>" value="<?php echo esc_attr($instance['more_link_txt']); ?>" class="widefat" />
		</p>
		
		<p>
			<label for="<?php echo $this->get_field_id( 'target' ); ?>"><?php _e('Open items in', 'meks-themeforest-smart-widget'); ?>: </label>
			<select id="<?php echo $this->get_field_id( 'target' ); ?>" name="<?php echo $this->get_field_name( 'target' ); ?>">
				<option value="_blank" <?php selected('_blank',$instance['target']); ?>><?php _e('New Window', 'meks-themeforest-smart-widget'); ?></option>
				<option value="_self" <?php selected('_self',$instance['target']); ?>><?php _e('Same Window', 'meks-themeforest-smart-widget'); ?></option>
			</select>
		</p>

<p>
			<label for="<?php echo $this->get_field_id( 'nofollow' ); ?>"><input id="<?php echo $this->get_field_id( 'nofollow' ); ?>" type="checkbox" name="<?php echo $this->get_field_name( 'nofollow' ); ?>" value="1" <?php checked($instance['nofollow'], 1); ?> class="widefat" />
			<?php _e('Add rel="nofollow" to item links', 'meks-themeforest-smart-widget'); ?>
			</label>
		</p>
		
	<?php
	}
	
	function get_items_from_users( $users = array('meks-themeforest-smart-widget'), $type = array('wordpress') ) {
		
    $items = array();
		
    foreach($users as $user){
			$cached = get_transient($this->id_base.'_'.$user);
	  	if(empty($cached)){
				
				$api_url = 'http://marketplace.envato.com/api/v3/new-files-from-user:'.$user.',themeforest.json';
				$response = wp_remote_get( $api_url );
			
				if ( is_wp_error( $response ) || ( wp_remote_retrieve_response_code( $response ) != 200 ) ) {  
			    continue;
				}  
			   
				$item_data = json_decode( wp_remote_retrieve_body( $response ), true );

if(isset($item_data['new-files-from-user']) && !empty($item_data['new-files-from-user'])){
					$item_data_ready = $item_data['new-files-from-user'];
			  	//Cache data for one day
					set_transient( $this->id_base.'_'.$user, $item_data_ready, 86400 );
				} else {
					$item_data_ready = array();
				}
			
			} else {
				$item_data_ready = $cached;
			} 
			
			$type_check = count($type) == count($this->tf_cats) ? false : true;
			
			foreach($item_data_ready as $item){
				if( !in_array($item['id'],$this->exclude) ) {
					if($type_check){
						if($this->item_type_check(trim($item['category']),$type)){
							$items[] = $item;
						}
					} else {
						$items[] = $item;
					}
				}
			}
	  }

return $items;
      
 }
 
 function get_popular_items($type = array('wordpress')) {
		
		$type = array('wordpress'); //Hardcoded to WordPres only, due to current ThemeForest API limitations
		
    $items = array();
    $cached = get_transient($this->id_base.'_popular');
	  	if(empty($cached)){
				$api_url = 'http://marketplace.envato.com/api/v3/popular:themeforest.json';
				$response = wp_remote_get( $api_url );  
			
				if ( is_wp_error( $response ) || ( wp_remote_retrieve_response_code( $response ) != 200 ) ) {  
			     return array();
				}  
			   
				$item_data = json_decode( wp_remote_retrieve_body( $response ), true );
				//print_r($item_data);
				if(isset($item_data['popular']['items_last_week']) && !empty($item_data['popular']['items_last_week'])){
					$item_data_ready = $item_data['popular']['items_last_week'];
			  	//Cache data for one day
					set_transient( $this->id_base.'_popular', $item_data_ready, 86400 );
				} else {
					$item_data_ready = array();
				}
			
			} else {
				$item_data_ready = $cached;
			}
			
			$type_check = count($type) == count($this->tf_cats) ? false : true;
			
			foreach($item_data_ready as $item){
				if( !in_array($item['id'],$this->exclude) ) {
					if($type_check){
						if($this->item_type_check(trim($item['category']),$type)){
							$items[] = $item;
						}
					} else {
						$items[] = $item;
					}
				}
			}
	          
    return $items;
      
 }
 
 function get_latest_items($types = array('wordpress')) {
 		
 		$items = array();
    
    foreach($types as $type){
		$cached = get_transient($this->id_base.'_'.$type);
	  	if(empty($cached)){
	  		
				$api_url = 'http://marketplace.envato.com/api/v3/new-files:themeforest,'.$type.'.json';
				
				$response = wp_remote_get( $api_url );  
			
				if ( is_wp_error( $response ) || ( wp_remote_retrieve_response_code( $response ) != 200 ) ) {  
			    continue;
				}  
			   
				$item_data = json_decode( wp_remote_retrieve_body( $response ), true );
				if(isset($item_data['new-files']) && !empty($item_data['new-files'])){
					$item_data_ready = $item_data['new-files'];
			  	//Cache data for one day
					set_transient( $this->id_base.'_'.$type, $item_data_ready, 86400 );
				} else {
					$item_data_ready = array();
				}
			
			} else {
				$item_data_ready = $cached;
			} 
			
				    
			foreach($item_data_ready as $item){
				if( !in_array($item['id'],$this->exclude) ) {
				   	$items[] = $item;
				}
			}
	  }
    
    return $items;
      
 }
 
 function item_type_check($category, $types){
  	
  	foreach($types as $type){
  		if(strpos('mks'.$category, $type)){
  			return true;
  		}
  	}
 	
 	return false;
 }
 
 function enqueue_styles(){
 		wp_register_style( 'meks-themeforest-widget', MTW_PLUGIN_URI . 'css/style.css', false, MKS_TF_WIDGET_VER );
    wp_enqueue_style( 'meks-themeforest-widget' );
 }
 
 function cmp($a, $b){
 	  if($this->orderby == 'last_update' || $this->orderby == 'uploaded_on'){
 	  	if($this->items_order == 'desc'){
    		return strcmp(strtotime($b[$this->orderby]), strtotime($a[$this->orderby]));
    	} else {
    		return strcmp(strtotime($a[$this->orderby]), strtotime($b[$this->orderby]));
    	}
    } else {
    	if($this->items_order == 'desc'){
    		return $b[$this->orderby] > $a[$this->orderby] ? true : false;
    	} else {
    		return $b[$this->orderby] > $a[$this->orderby] ? false : true;
    	}
    	
    }
 }

}

MR SKB