dead-simple-social-shit-4000-super-duper-beards-with-goats.php

social.php

<?php

/**
*
*	This class holds all teh functionality for social sharing and social data so you dont need a plugin
* 	Ex: https://lasso.is/now-entering-the-arena/ (bottom)
*	
* 	use social sharing like so:
*       <a href="#" class="post-share__twitter">share twitter</a>
*	<a href="#" class="post-share__fb">share fb</a>
*/

class myThemeSocial {

	function __construct(){

		// social sharing
		add_action('wp_head',		array($this,'social_data'));
		add_action('wp_head', 		array($this,'story_sharing'));
		add_action('wp_footer',		array($this,'vendor_sdk'));
	}

	/**
	*
	*	Load Facebook and Twitter Open Graph and Meta Card Stuffs
	*/
	function social_data(){

		$author = get_post_field( 'post_author', get_the_ID() );

		$tw_hndl = 'aesopinteractiv';

		$twitter_owner = $tw_hndl ? sprintf('<meta name="twitter:creator" content="@%s">
											  <meta name="twitter:site" content="@%s">',
											  esc_attr( trim( $tw_hndl ) ),
											  esc_attr( trim( $tw_hndl ) )
											  ) : false;

		?>
		<!-- Facebook Open Graph -->
		<meta property="og:url" content="<?php echo esc_url( get_permalink() );?>">

		<?php if ( is_singular() ) { ?>
			<meta property="og:title" content="<?php echo esc_attr( get_the_title() );?>">
		<?php } else { ?>
			<meta property="og:title" content="<?php echo esc_attr( get_bloginfo('name') );?>">
		<?php } ?>

		<meta property="og:description" content="<?php echo esc_attr( self::excerpt() );?>">
		<meta property="og:site_name" content="<?php echo esc_attr( get_bloginfo('name') );?>">
		<meta property="og:type" content="website">
		<?php echo !is_404() ? self::get_img('property','og', 'fb') : false;?>
		<meta property="og:locale" content="en_us">

		<!-- Twitter Card Meta -->
		<meta name="twitter:card" content="summary">
		<?php echo trim( $twitter_owner );?>
		<meta name="twitter:title" content="<?php echo esc_attr( get_the_title() );?>">
		<meta name="twitter:description" content="<?php echo self::excerpt();?>">
		<meta name="twitter:domain" content="<?php echo get_permalink();?>">
		<?php echo !is_404() ? self::get_img('name','twitter', 'twitter') : false;?>

		<?php
	}

	/**
	*
	*	Main fucntion responsible for rich sharing to Facebook and Twitter
	*
	*
	*/
	function story_sharing(){

		if ( is_single() ):

			$postid  	= get_the_ID();
			$author 	= get_post_field( 'post_author', $postid );
			$tw_hndl 	= 'aesopinteractiv';
			$tw_hndl 	= !empty( $tw_hndl ) ? sprintf('by @%s', esc_attr( trim( $tw_hndl ) ) ) : false;
			$text   	= sprintf('\'%s\' %s &url=%s', trim( get_the_title() ), $tw_hndl, get_permalink() );
			?>
			<script>

				function fbAsyncInit() {
					FB.init({
				     	appId      : 'YOUR_FACEBOOK_APP_ID',
				      	xfbml      : true,
				      	version    : 'v2.2'
					});

				  	jQuery('.post-share__fb').click(function(e){
				  		e.preventDefault();

					    FB.ui({
					    	method: 'share',
					      	href: '<?php esc_url( the_permalink() );?>'
					    });

				  	});
				}

				jQuery(document).ready(function($){
					$('.post-share__twitter').attr('href', "https://twitter.com/intent/tweet?text=<?php echo $text;?>");
				});

			</script>
			<?php

		endif;
	}

	/**
	*
	*	Load external sdks for social sharing
	*
	*
	*/
	function vendor_sdk(){

		if ( is_single() ):
			?>
				<div id="fb-root"></div>
				<script async="" src="//platform.twitter.com/widgets.js"></script>
				<script async="" src="//connect.facebook.net/en_US/all.js"></script>
			<?php
		endif;
	}

	/**
	*
	*	Get the image attached to a post and return the data for either facebook or twitter
	*	@todo - need to set a default if no post image??
	*	@return post thumbnail
	*/
	public static function get_img($name = '',$prop = '', $vendor = ''){

		$imgsrc = wp_get_attachment_image_src( get_post_thumbnail_id( get_the_ID() ), 'full');
		return has_post_thumbnail() ? sprintf('<meta %s="%s:image" content="%s">', $name, $prop, $imgsrc[0]) : false;
	}
	/**
	*
	*	If we're on the home page return the sites desription
	*	otherwise return the excerpt
	*
	*	@return an excerpt if on single, otherwise site description
	*/
	function excerpt(){

		global $post;

		if ( isset( $post ) ) {

			$out = wp_trim_words( esc_attr( strip_tags( stripslashes( $post->post_content ) ) ) , 25, '...' );

		} else {

			$out = get_bloginfo('description');
		}

		return $out;
	}
}
new myThemeSocial;