Post Views

popular-post-class.php

<?php
class WPPress_Post_Views
{
	
	function __construct() {
		add_action('wp_ajax_post_heartbeat', array(&$this,
			'increase'
		));
		add_action('wp_ajax_nopriv_post_heartbeat', array(&$this,
			'increase'
		));
		add_action('wp_footer', array(&$this,
			'js'
		));
		add_action('init', array(&$this,
			'init'
		));
	}
	function init() {
		add_filter('manage_edit-post_columns', array(&$this,
			'manage_posts_columns'
		));
		add_action('manage_post_posts_custom_column', array(&$this,
			'manage_posts_custom_column'
		) , 10, 2);
		add_filter('manage_edit-post_sortable_columns', array(&$this,
			'sortable_columns'
		));
		add_action('pre_get_posts', array(&$this,
			'admin_sort'
		));
	}
	function manage_posts_columns($columns) {
		global $current_user;
		get_currentuserinfo();
		if (current_user_can('edit_posts', $user_id)) {
			$columns['video_view'] = __('Video Views');
		}
		return $columns;
	}
	function manage_posts_custom_column($column_name, $post_id) {
		if ($column_name == 'video_view') {
			$views = (int)get_post_meta($post_id, 'post_views', true);
			echo "<div title='" . $views . " Views'>" . kmb_format($views) . " Views</div>";
		}
	}
	function sortable_columns($columns) {
		$columns['video_view'] = 'video_view';
		return $columns;
	}
	function admin_sort($query) {
		if (!is_admin()) return;
		
		$orderby = $query->get('orderby');
		
		if ('video_view' == $orderby) {
			$query->set('meta_key', 'post_views');
			$query->set('orderby', 'meta_value_num');
		}
	}
	function js() {
		if (is_single()) {
			wp_reset_query();
			echo "<script type='text/javascript'>(function(){var src='" . add_query_arg(array(
				'action' => 'post_heartbeat',
				'id' => get_the_ID()
			) , get_admin_url('', 'admin-ajax.php')) . "';var s = document.createElement('script'); s.async = true; s.type = 'text/javascript'; s.src = src; (document.getElementsByTagName('HEAD')[0] || document.getElementsByTagName('BODY')[0]).appendChild(s);})(document);</script>";
		}
	}
	/*
	Method: increase()
	*/
	function increase() {
		header('Content-Type: application/javascript');
		if ($_GET['id'] > 0) {
			$postID = $_GET['id'];
			$count_key = 'post_views';
			$count = get_post_meta($postID, $count_key, true);
			
			if ($count == '') {
				$count = 0;
				delete_post_meta($postID, $count_key);
				add_post_meta($postID, $count_key, '0');
			} else {
				update_post_meta($postID, $count_key, ++$count);
			}
		}
		echo '(function($){})(jQuery);';
		die();
	}
}
/* Initialize the class */
new WPPress_Post_Views();

?>

popular-post-loop.php

<?php
	$query = array(
            'post_type' => 'post',
            'posts_per_page' => 5,
            'paged' => 1,
            'ignore_sticky_posts' => 1,
            'meta_key' => 'post_views',
            'orderby' => 'meta_value_num',
            'order' => 'DESC',
            'post__not_in' => array(
                get_the_ID()
            )
        );
        $popular_posts = new WP_Query($query);
        if ($popular_posts->have_posts()) {
            while ($popular_posts->have_posts()) {
                $popular_posts->the_post();
                if (has_post_thumbnail()) {
                    echo "<div class='popular-post'>";
                    
                    echo "<a href='" . get_permalink() . "?ref=popular' title='" . esc_attr(get_the_title()) . "'>";
                    the_post_thumbnail('sidebar');
                    echo "</a>";
                    
                    echo "<h5><a href='" . get_permalink() . "?ref=popular' title='" . esc_attr(get_the_title()) . "'>" . get_the_title() . "</a></h5>";
                    echo "</div>";
                }
            }
        }
        wp_reset_query();
?>