Social Tools & Widget

gistfile1.php

<?php
/**
 * Suite of tools and actions for social media
 *
 */
$facebook_app_id = '1411050029147291';

function social_tools($tool) {
    $twitter_count = get_post_meta( get_the_ID(), "_tweet_count", true );
    $facebook_count = get_post_meta( get_the_ID(), "_facebook_count", true );
    $google_plus_count = get_post_meta( get_the_ID(), "_gplus_count", true );
    $social_total_count = get_post_meta( get_the_ID(), "_total_share_count", true );

    if ( 'share_buttons' == $tool ) {
        $link = get_permalink();
        $twitter_share_link = 'https://twitter.com/home?status='.$link;
        $facebook_share_link = 'https://www.facebook.com/sharer/sharer.php?u='.$link;
        $google_plus_share_link = 'https://plus.google.com/share?url='.$link;
        $markup = '
        <div class="entry-social '.$tool.'">
            <a class="twitter" href="'.$twitter_share_link.'">
                <span class="symbol">&#xe086;</span> <span class="count">'.$twitter_count.' <strong>Tweet This</strong></span>
            </a>
            <a class="facebook" href="'.$facebook_share_link.'">
                <span class="symbol">&#xe027;</span> <span class="count">'.$facebook_count.' <strong>Share This</strong></span>
            </a>
            <a class="google-plus" href="'.$google_plus_share_link.'">
                <span class="symbol">&#xe039;</span> <span class="count">'.$google_plus_count.' <strong>+1 This</strong></span>
            </a>
        </div>';
        echo $markup;
    }
    if ( 'social_counts' == $tool ) {
        $markup = '
        <div class="entry-social '.$tool.'">

            <div class="twitter">
                <span class="symbol">&#xe086;</span> <span class="count">'.$twitter_count.' Tweets</span>
            </div>
            <div class="facebook">
                <span class="symbol">&#xe027;</span> <span class="count">'.$facebook_count.' Shares</span>
            </div>
        </div>';
        echo $markup;
    }
}

/**
 * Display 5 most popular as calcualted by total shares posts
 * hooks into Most_Shared_Widget widget. Can be found in widgets.php
 */
function most_shared_posts(){
    //Modify the query before it fires to look at past 30 days only
    function filter_where($where = '') {
        $where .= " AND post_date > '" . date('Y-m-d', strtotime('-30 days')) . "'";
        return $where;
    }
    add_filter('posts_where', 'filter_where');
    //Begin query
    $args = array(
      'meta_key' => '_total_share_count',
      'orderby' => 'meta_value_num',
      'order' => 'DESC',
      'posts_per_page' => 5,
    );
    $most_shared_posts = new WP_Query($args);
    if ( $most_shared_posts->have_posts() ) {
            echo '<ul>';
        while ( $most_shared_posts->have_posts() ) {
            $most_shared_posts->the_post();

            $twitter_count = get_post_meta( get_the_ID(), "_tweet_count", true );
            $facebook_count = get_post_meta( get_the_ID(), "_facebook_count", true );
            $google_plus_count = get_post_meta( get_the_ID(), "_gplus_count", true );
            $social_total_count = get_post_meta( get_the_ID(), "_total_share_count", true );
            $link = get_permalink();
            $title = get_the_title();
            echo '<li><a href="'.$link.'">'.$title.'';
            echo '
            <div class="social_counts">
                <div class="twitter">
                    <span class="symbol">&#xe086;</span> <span class="count">'.$twitter_count.'</span>
                </div>
                <div class="facebook">
                    <span class="symbol">&#xe027;</span> <span class="count">'.$facebook_count.'</span>
                </div>
                <div class="google-plus">
                    <span class="symbol">&#xe039;</span> <span class="count">'.$google_plus_count.'</span>
                </div>
            </div>';
            echo '</a></li>';
        }
            echo '</ul>';
    } else {
        echo 'No Posts Found';
    }
    /* Restore original Post Data */
    wp_reset_postdata();
}

/**
 * Loop through posts from the past week and update Facebook counts
 */
function update_facebook_counts() {

    global $wpdb;
    $wpdb->show_errors();

    // Limit counts fetching to past week (or past day if on test platform)
    $posts_cutoff = 432000;

    $posts_limit = 500;
    if(DEV_ENVIRONMENT) {
        $posts_limit = 20;
    }
    $posts_start_time = time() - $posts_cutoff;
    $posts_start_date = date("Y-m-d", $posts_start_time);

    // Get the posts within this range
    $get_recent_posts = "SELECT ID FROM " . $wpdb->prefix . "posts WHERE 1" .
            " AND post_status = 'publish'" .
            " AND post_type IN ('post', 'stories')" .
            " AND post_date > " . $posts_start_date .
            " ORDER BY post_date DESC LIMIT " . $posts_limit;

    echo $get_recent_posts;

    $recent_posts = $wpdb->get_results($get_recent_posts);

    //TODO: Batch these requests
    foreach($recent_posts AS $recent_post) {
        get_facebook_count($recent_post->ID);
    }

}
add_action('wp_ajax_update_facebook_counts', 'update_facebook_counts');
add_action('wp_ajax_nopriv_update_facebook_counts', 'update_facebook_counts');
// http://codex.wordpress.org/Plugin_API/Action_Reference/wp_ajax_(action)
// To run, http://site-address/wp-admin/admin-ajax.php?action=update_facebook_counts

/**
 * Loop through posts from the past week and update Twitter counts
 */
function update_tweet_counts() {

    global $wpdb;
    $wpdb->show_errors();

    // Limit counts fetching to past week
    $posts_cutoff = 432000;

    $posts_limit = 500;
    if(DEV_ENVIRONMENT) {
        $posts_limit = 20;
    }
    $posts_start_time = time() - $posts_cutoff;
    $posts_start_date = date("Y-m-d", $posts_start_time);

    // Get the posts within this range
    $get_recent_posts = "SELECT ID FROM " . $wpdb->prefix . "posts WHERE 1" .
            " AND post_status = 'publish'" .
            " AND post_type IN ('post', 'stories')" .
            " AND post_date > " . $posts_start_date .
            " ORDER BY post_date DESC LIMIT " . $posts_limit;

    echo $get_recent_posts;

    $recent_posts = $wpdb->get_results($get_recent_posts);

    //TODO: Batch these requests
    foreach($recent_posts AS $recent_post) {
        get_tweet_count($recent_post->ID);
    }

}
add_action('wp_ajax_update_tweet_counts', 'update_tweet_counts');
add_action('wp_ajax_nopriv_update_tweet_counts', 'update_tweet_counts');
// http://codex.wordpress.org/Plugin_API/Action_Reference/wp_ajax_(action)
// To run, http://site-address/wp-admin/admin-ajax.php?action=update_tweet_counts

/**
 * Loop through posts from the past week and update Google Plus counts
*/
function update_total_share_counts() {

    global $wpdb;
    $wpdb->show_errors();

    // Limit counts fetching to past week (or past day if on test platform)
    $posts_cutoff = 432000;

    $posts_limit = 500;
    if(DEV_ENVIRONMENT) {
        $posts_limit = 20;
    }
    $posts_start_time = time() - $posts_cutoff;
    $posts_start_date = date("Y-m-d", $posts_start_time);

    // Get the posts within this range
    $get_recent_posts = "SELECT ID FROM " . $wpdb->prefix . "posts WHERE 1" .
            " AND post_status = 'publish'" .
            " AND post_type IN ('post', 'stories')" .
            " AND post_date > " . $posts_start_date .
            " ORDER BY post_date DESC LIMIT " . $posts_limit;

    echo $get_recent_posts;

    $recent_posts = $wpdb->get_results($get_recent_posts);

    //TODO: Batch these requests
    foreach($recent_posts AS $recent_post) {
        get_total_social_count($recent_post->ID);
    }

}
add_action('wp_ajax_update_total_share_counts', 'update_total_share_counts');
add_action('wp_ajax_nopriv_update_total_share_counts', 'update_total_share_counts');
// http://codex.wordpress.org/Plugin_API/Action_Reference/wp_ajax_(action)
// To run, http://site-address/wp-admin/admin-ajax.php?action=update_total_share_counts

/**
 * Loop through posts from the past week and update Google Plus counts
*/
function update_gplus_counts() {

    global $wpdb;
    $wpdb->show_errors();

    // Limit counts fetching to past week (or past day if on test platform)
    $posts_cutoff = 432000;

    $posts_limit = 500;
    if(DEV_ENVIRONMENT) {
        $posts_limit = 20;
    }
    $posts_start_time = time() - $posts_cutoff;
    $posts_start_date = date("Y-m-d", $posts_start_time);

    // Get the posts within this range
    $get_recent_posts = "SELECT ID FROM " . $wpdb->prefix . "posts WHERE 1" .
            " AND post_status = 'publish'" .
            " AND post_type IN ('post', 'stories')" .
            " AND post_date > " . $posts_start_date .
            " ORDER BY post_date DESC LIMIT " . $posts_limit;

    echo $get_recent_posts;

    $recent_posts = $wpdb->get_results($get_recent_posts);

    //TODO: Batch these requests
    foreach($recent_posts AS $recent_post) {
        get_gplus_count($recent_post->ID);
    }

}
add_action('wp_ajax_update_gplus_counts', 'update_gplus_counts');
add_action('wp_ajax_nopriv_update_gplus_counts', 'update_gplus_counts');
// http://codex.wordpress.org/Plugin_API/Action_Reference/wp_ajax_(action)
// To run, http://site-address/wp-admin/admin-ajax.php?action=update_gplus_counts

/**
 * Retrieve the Facebook Graph data for an individual post
 */
function get_facebook_count($post_id) {

    // Since Facebook doesn't track likes on our test instances, we'll get these numbers for the live site posts
    $post_url = get_permalink($post_id);
    if(DEV_ENVIRONMENT) {
        $post_url = str_replace(get_bloginfo('url'), "http://DOMAINHERE", $post_url);
    }

    // Grab the facebook count for this post
    $url = "http://graph.facebook.com/" . $post_url;
    $starttime = microtime(true);
    $s = curl_init();
    curl_setopt($s,CURLOPT_URL, $url);
    curl_setopt($s,CURLOPT_HEADER,false);
    curl_setopt($s,CURLOPT_RETURNTRANSFER,1);
    curl_setopt($s, CURLOPT_TIMEOUT, 5);
    $result = curl_exec($s);
    curl_close( $s );
    $endtime = microtime(true);
    $duration = $endtime - $starttime;
    // error_log("Facebook curl execution time: " . $duration);

    $obj = json_decode($result, true);
    if(!($obj && $obj["error"] == 0)){
        error_log("social-counts-tool: Facebook response: " . var_export($obj, true));
    } else {
        $facebook_count = $obj["shares"];
        if((!empty($facebook_count)) && $facebook_count != 0){
            // If this post has Facebook shares, note them in wp_postmeta
            update_post_meta($post_id, "_facebook_count", $facebook_count);
        } else {
            update_post_meta($post_id, "_facebook_count", '0');
        }
    }

    // Use following line to debug
    // error_log("Post #". $post_id ." has " . $facebook_count . " shares.");
}

/**
 * Retrieve the Twitter data for an individual post
 */
function get_tweet_count($post_id) {

    // Again, getting these numbers for the live site posts
    $post_url = get_permalink($post_id);
    if(DEV_ENVIRONMENT) {
        $post_url = str_replace(get_bloginfo('url'), "http://DOMAINHERE", $post_url);
    }

    // Grab the tweet count for this post
    $url = "https://cdn.api.twitter.com/1/urls/count.json?url=" . $post_url;
    $starttime = microtime(true);
    $s = curl_init();
    curl_setopt($s,CURLOPT_URL, $url);
    curl_setopt($s,CURLOPT_HEADER,false);
    curl_setopt($s,CURLOPT_RETURNTRANSFER,1);
    curl_setopt($s, CURLOPT_TIMEOUT, 5);
    $result = curl_exec($s);
    curl_close( $s );
    $endtime = microtime(true);
    $duration = $endtime - $starttime;
    // error_log("Twitter curl execution time: " . $duration);

    $obj = json_decode($result, true);
    if(!($obj && $obj["error"] == 0)){
        error_log("social-counts-tool: Twitter response: " . var_export($obj, true));
    } else {
        $tweet_count = $obj["count"];
        if((!empty($tweet_count)) && $tweet_count != 0){
            // If this post has retweets, note them in wp_postmeta
            update_post_meta($post_id, "_tweet_count", $tweet_count);
        } else {
            update_post_meta($post_id, "_tweet_count", '0');
        }
    }

    // Use following line to debug
    // error_log("Post #". $post_id ." has " . $tweet_count . " tweets.");
}

/**
 * Retrieve the Google Plus data for an individual post
 */
function get_gplus_count($post_id) {

    // Since Google Plus doesn't track likes on our test instances, we'll get these numbers for the live site posts
    $post_url = get_permalink($post_id);
    if(DEV_ENVIRONMENT) {
        $post_url = str_replace(get_bloginfo('url'), "http://DOMAINHERE", $post_url);
    }

    // Grab the google plus count for this post
    $url = "https://clients6.google.com/rpc";
    $starttime = microtime(true);
    $s = curl_init();
    curl_setopt($s,CURLOPT_URL, $url);
    curl_setopt($s,CURLOPT_POST, true);
    curl_setopt($s, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($s, CURLOPT_POSTFIELDS, '[{"method":"pos.plusones.get","id":"p","params":{"nolog":true,"id":"'.rawurldecode($post_url).'","source":"widget","userId":"@viewer","groupId":"@self"},"jsonrpc":"2.0","key":"p","apiVersion":"v1"}]');
    curl_setopt($s,CURLOPT_RETURNTRANSFER,1);
    curl_setopt($s, CURLOPT_HTTPHEADER, array('Content-type: application/json'));
    curl_setopt($s, CURLOPT_TIMEOUT, 5);
    $result = curl_exec($s);
    curl_close( $s );
    $endtime = microtime(true);
    $duration = $endtime - $starttime;
    // error_log("Google Plus curl execution time: " . $duration);

    $obj = json_decode($result, true);
    if(!($obj && $obj["error"] == 0)){
        error_log("social-counts-tool: Google Plus response: " . var_export($obj, true));
    } else {
        $gplus_count = $obj[0]['result']['metadata']['globalCounts']['count'];
        if((!empty($gplus_count)) && $gplus_count != 0){
            // If this post has Google +1s, note them in wp_postmeta
            update_post_meta($post_id, "_gplus_count", $gplus_count);
        } else {
            update_post_meta($post_id, "_gplus_count", '0');
        }
    }

    // Use following line to debug
    //error_log("Post #". $post_id ." has " . $gplus_count . " Google +1s.");
}

function get_total_social_count($post_id) {
    $twitter_count = get_post_meta( $post_id, "_tweet_count", true );
    $facebook_count = get_post_meta( $post_id, "_facebook_count", true );
    $google_plus_count = get_post_meta( $post_id, "_gplus_count", true );
    //Calculate
    $total_count = ($twitter_count + $facebook_count + $google_plus_count);
    //Add meta value
    update_post_meta( $post_id, "_total_share_count", $total_count );
}

/**
* Facebook & Twitter Social Metadata
* @return markup to wp_head hook
*/
function get_social_metadata() {
    if ( is_single() ) {
        $title = esc_html( get_the_title() );
        $link = esc_html( get_permalink() );
        $description = esc_html( get_the_excerpt() );
        $image_src = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ) );
        $image = $image_src[0];
        //Facebook Specific
        $fb_type = 'article';
    } else {
        $title = get_bloginfo('name');
        $link = esc_html( get_bloginfo('url') );
        $image = 'your default image path here';
        //Facebook Specific
        $fb_type = 'website';
    }
    /**
     * Facebook
     */
    $fb_app_id = $GLOBALS['facebook_app_id'];
    $fb_url = esc_html( get_bloginfo('url') );
    $fb_metatext = "";
    $fb_metatext .= '<meta property="fb:admins" content="100001364918392"/>' . "\n";
    $fb_metatext .= '<meta property="fb:app_id" content="' . $fb_app_id . '" />' . "\n";
    $fb_metatext .= '<meta property="og:url" content="' . $fb_url . '" />' . "\n";
    $fb_metatext .= '<meta property="og:type" content="'.$fb_type.'" />' . "\n";
    $fb_metatext .= '<meta property="og:description" content="' . $description . '"/>' . "\n";
    $fb_metatext .= '<meta property="og:image" content="' . $image . '" />' . "\n";
    $fb_metatext .= '<meta property="og:title" content="' . $title . '" />' . "\n";
    echo $fb_metatext;

    /**
     * Twitter
     */
    $tw_metatext = "";
    $tw_metatext .= '<meta name="twitter:card" content="summary" />' . "\n";
    $tw_metatext .= '<meta name="twitter:site" content="@HalfInTen" />' . "\n";
    $tw_metatext .= '<meta name="twitter:title" content="' . $title . '" />' . "\n";
    $tw_metatext .= '<meta name="twitter:description" content="' . $description . '" />' . "\n";
    $tw_metatext .= '<meta name="twitter:image" content="' . $image . '" />' . "\n";
    echo $tw_metatext;
}
add_action( 'wp_head', 'get_social_metadata' );

function get_facebook_code() {
    $fb_app_id = $GLOBALS['facebook_app_id'];
    $markup = <<<EOT
    <div id="fb-root"></div>
    <script>
    window.fbAsyncInit = function() {
        // init the FB JS SDK
        FB.init({
            appId      : '$fb_app_id', // App ID from the App Dashboard
            status     : true, // check the login status upon init?
            cookie     : true, // set sessions cookies to allow your server to access the session?
            xfbml      : true  // parse XFBML tags on this page?
        });
      };

      (function(d, debug){
         var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
         if (d.getElementById(id)) {return;}
         js = d.createElement('script'); js.id = id; js.async = true;
         js.src = "//connect.facebook.net/en_US/all" + (debug ? "/debug" : "") + ".js";
         ref.parentNode.insertBefore(js, ref);
       }(document, /*debug*/ false));

    </script>
EOT;

    echo $markup;
}
add_action( 'wp_head', 'get_facebook_code' );

function get_facebook_comments() {
    global $post;
    $comment_url = get_permalink($post->ID);

    $comment_code = '
    <a name="comment_link"></a>
    <p class="comment-disclaimer">YOUR DISCLAIMER HERE.</p>
    <div id="fb-comments">
        <fb:comments href="'.$comment_url.'" num_posts="10"></fb:comments>
    </div>';

    echo $comment_code;
}
?>

gistfile2.php

<?php
/**
 * Add Most Shared Posts Widget
 */
class Most_Shared_Widget extends WP_Widget {

	/**
	 * Register widget with WordPress.
	 */
	function __construct() {
		parent::__construct(
			'most-shared-posts', // Base ID
			__('Most Shared Posts', 'text_domain'), // Name
			array( 'description' => __( 'Show most shared posts', 'text_domain' ), ) // Args
		);
	}

	/**
	 * Front-end display of widget.
	 *
	 * @see WP_Widget::widget()
	 *
	 * @param array $args     Widget arguments.
	 * @param array $instance Saved values from database.
	 */
	public function widget( $args, $instance ) {
		$title = apply_filters( 'widget_title', $instance['title'] );

		echo $args['before_widget'];
		if ( ! empty( $title ) ) {
			echo $args['before_title'] . $title . $args['after_title'];
		}
		most_shared_posts();
		echo $args['after_widget'];
	}

	/**
	 * Back-end widget form.
	 *
	 * @see WP_Widget::form()
	 *
	 * @param array $instance Previously saved values from database.
	 */
	public function form( $instance ) {
		if ( isset( $instance[ 'title' ] ) ) {
			$title = $instance[ 'title' ];
		}
		else {
			$title = __( 'Most Shared Posts', 'text_domain' );
		}
		?>
		<p>
		<label for="<?php echo $this->get_field_id( 'title' ); ?>"><?php _e( 'Title:' ); ?></label> 
		<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>">
		</p>
		<?php 
	}

	/**
	 * Sanitize widget form values as they are saved.
	 *
	 * @see WP_Widget::update()
	 *
	 * @param array $new_instance Values just sent to be saved.
	 * @param array $old_instance Previously saved values from database.
	 *
	 * @return array Updated safe values to be saved.
	 */
	public function update( $new_instance, $old_instance ) {
		$instance = array();
		$instance['title'] = ( ! empty( $new_instance['title'] ) ) ? strip_tags( $new_instance['title'] ) : '';

		return $instance;
	}

} // class Most_Shared_Widget

/**
 * Register all of our widgets
 */
function register_social_widget() {
    register_widget( 'Most_Shared_Widget' );
}
add_action( 'widgets_init', 'register_social_widget' );
?>