upvote_function.txt

<?php
/**
 * Theme Functions
 *
 * @version 1.0.0
 * @package Upvote
 */

// Hide toolbar for all users on front-end
show_admin_bar(false);

require_once( 'inc/theme-options.php' );
require_once( 'inc/bootstrap-nav-walker.php' );
require_once( 'inc/votings.php' );

/**
 * Set the content width based on theme's design and stylesheet
 */
if ( ! isset ( $content_width ) ) {
	$content_width = 640; # Pixels
}

/**
 * Register theme features
 *
 * @hook after_setup_theme
 */
function upvote_theme_setup() {
	// Add default posts and comments RSS feed links to head.
	add_theme_support( 'automatic-feed-links' );

	// Enable support for post thumbnails
	add_theme_support( 'post-thumbnails' );

	// Enable HTML 5 Support in WordPress
	add_theme_support( 'html5' );

	// Navigation Menus
	register_nav_menus(array(
		'primary' => 'Main Navigation'
	));
}
add_action( 'after_setup_theme', 'upvote_theme_setup' );

/**
 * Enqueue scripts and stylesheets
 *
 * @hook wp_enqueue_scripts
 */
function upvote_enqueue_scripts() {
	wp_enqueue_style( 'bootstrap', get_template_directory_uri() . '/css/bootstrap.css', null, '3.0.3' );
	wp_enqueue_style( 'upvote', get_stylesheet_uri(), null, '1.0.0' );

	if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
		wp_enqueue_script( 'comment-reply' );
	}

	wp_enqueue_script( 'jquery' );
	wp_enqueue_script( 'bootstrap', get_template_directory_uri() . '/js/bootstrap.min.js', array( 'jquery' ), '3.0.3', 1 );
	wp_enqueue_script( 'upvote', get_template_directory_uri() . '/js/upvote.js', array( 'jquery' ) );
	wp_localize_script( 'upvote', 'ajaxurl', admin_url( 'admin-ajax.php' ) );
}
add_action( 'wp_enqueue_scripts', 'upvote_enqueue_scripts' );

/**
 * Filters `wp_title` to print a neat `<title>` tag based on what is being viewed.
 *
 * @global int $page
 * @global int $paged
 * @param string $title
 * @param string $sep
 * @return string
 */
function upvote_wp_title( $title, $sep ) {
	global $page, $paged;

	if ( is_feed() ) {
		return $title;
	}

	$title .= get_bloginfo('name');

	$site_description = get_bloginfo('description', 'display');
	if ( $site_description && ( is_home() || is_front_page() ) ) {
		$title .= " - $site_description";
	}

	if ( $paged >= 2 || $page >=2  ) {
		$title .= "$sep " . sprintf( "Page %s", max( $page, $paged ) );
	}

	return $title;
}
add_filter( 'wp_title', 'upvote_wp_title', 10, 2 );

// Ensure only logged-in can comment.
add_filter( 'pre_option_comment_registration', '__return_true' );

/**
 * Comment Callback
 *
 *
 */
function upvote_comment( $comment, $args, $depth ) {
	$GLOBALS['comment'] = $comment;

	$user_id = get_current_user_id();
	$upvotes = get_user_meta( $user_id, '_votes_type_comment_up' );
	$downvotes = get_user_meta( $user_id, '_votes_type_comment_down' );
	if ( empty ( $upvotes ) ) $upvotes = array();
	if ( empty ( $downvotes ) ) $downvotes = array();

	switch ( $comment->comment_type ) {
		case 'pingback':
		case 'trackback':
?>
	<p>Pingback: <?php comment_author_link(); ?><?php edit_comment_link( 'Edit', ' ' ); ?></p>
<?php
			break;

		default:
			if ( $depth < 2 )  {
				$class = 'col-lg-12';
			} else {
				$class = sprintf( 'col-sm-%d col-sm-offset-%d', 13 - $depth , $depth - 1 );
			}
		?>
<div class="row">
	<div class="<?php echo $class; ?>">
		<div class="table-comment">
			
				<!-- <div class="vote">
					<?php if ( $comment->user_id != $user_id ): ?>
						<?php if ( ! in_array( $comment->comment_ID, $upvotes ) ): ?>
						<a class="upvote-ajax" href="<?php echo upvote_get_vote_url( get_comment_ID(), 'comment' ); ?>"><img src="<?php echo get_template_directory_uri(); ?>/img/up.png" alt="Up vote" /></a>
						<?php endif; ?>

						
						add points under comment upvote
						<?php
						printf(
								'%d',
								upvote_get_points( $comment->comment_ID, 'comment' ),
								bp_core_get_userlink( $comment->user_id ),
								human_time_diff( strtotime( $comment->comment_date_gmt ) ),
								get_permalink( $comment->comment_post_ID )
							);
							?>

							 remove comment downvote 
						
						<?php if ( ! in_array( $comment->comment_ID, $downvotes ) ): ?>
							<a class="upvote-ajax" href="<?php echo upvote_get_vote_url( get_comment_ID(), 'comment', array( 'downvote' => true ) ); ?>"><img src="<?php echo get_template_directory_uri(); ?>/img/down.png" alt="Down vote" /></a>
						<?php endif; ?>
					
					<?php endif; ?>
				</div> -->

				<div class="comment-block">
					<div id="comment-<?php comment_ID(); ?>">
						<?php if ( is_singular() ): ?>
						<p class="byline"><?php
							printf(
								'%s %s ago — <a href="%s">link</a>',
								bp_core_get_userlink( $comment->user_id ),
								human_time_diff( strtotime( $comment->comment_date_gmt ) ),
								get_comment_link( $comment )
							);
						?></p>
						<?php else: ?>
						<p class="byline"><?php
							printf(
								'%d points %s %s ago — <a href="%s">See post</a>',
								upvote_get_points( $comment->comment_ID, 'comment' ),
								bp_core_get_userlink( $comment->user_id ),
								human_time_diff( strtotime( $comment->comment_date_gmt ) ),
								get_permalink( $comment->comment_post_ID )
							);
						?></p>
						<?php endif; ?>

						<div id="div-comment-<?php comment_ID(); ?>" class="comment-body">
							<?php if ( $comment->comment_approved == '0' ) : ?>
								<div class="alert alert-warning">
									<em class="comment-awaiting-moderation">Your comment is awaiting moderation.</em>
								</div>
							<?php endif; ?>
							<?php comment_text( get_comment_id() ); ?>
						</div>
						<?php if ( is_singular() ): ?>
						<p>
							<?php comment_reply_link( array_merge( $args, array( 'depth' => $depth, 'max_depth' => $args['max_depth'] ) ) ); ?>
							<?php edit_comment_link( 'Edit', ' | ' ); ?>
						</p>
						<?php endif; ?>
					</div>
				</div>
			
		</div><!-- end table -->
	</div>
		<?php
	}
}


/**
 * Query filter
 *
 * @param WP_Query $query
 */
function upvote_pre_get_posts( &$query ) {
	if ( ! $query->is_main_query() )
		return;

	if ( $query->is_home() ) {
		if ( ! isset ( $_REQUEST['order'] ) || 'new' !== $_REQUEST['order'] ) {
			$query->set( 'meta_key', '_upvotes' );
			$query->set( 'orderby', 'meta_value_num' );
			$query->set( 'order', 'DESC' );
			add_filter( 'posts_orderby', 'upvote_posts_orderby', 0, 2 );
			add_filter( 'posts_fields', 'upvote_posts_fields', 0, 2);
		}
	}

	if ( $query->is_author() && isset ( $query->query_vars['comments'] ) ) {
		add_filter( 'posts_where', 'upvote_invalidate_author_query', 0, 2 );
	}
}
add_action( 'pre_get_posts', 'upvote_pre_get_posts', 0, 1 );

function upvote_posts_orderby( $order, $query ) {
	if ( $query->is_main_query() && $query->is_home() ) {
		$order = 'score DESC';
	}

	return $order;
}

function upvote_posts_fields( $fields, $query ) {
	if ( $query->is_main_query() && $query->is_home() ) {
		global $wpdb;
		$now = date( 'Y-m-d H:i:s', current_time( 'timestamp', true ) );
		$gravity = upvote_theme_options( 'point-gravity' );
		if ( ! $gravity ) $gravity = 1.8;
		$default_points = ( int ) upvote_theme_options('default-points');
		$fields .= ', ( ( ' . $wpdb->postmeta . '.meta_value + ' . $default_points . ' - 1 ) / pow( ( TIMESTAMPDIFF( SECOND, ' . $wpdb->posts . '.post_date_gmt, "'. $now .'" ) / 3600 ) + 2, ' . $gravity . ' ) ) as score';
	}

	return $fields;
}

/**
 *
 * @param string $where
 * @param WP_Query $query
 * @return string
 */
function upvote_invalidate_author_query( $where, $query ) {
	if ( $query->is_main_query() && $query->is_author() ) {
		$where = 'AND 0';
		$comment_query = new WP_Comment_Query();
		$query->comments = $comment_query->query( array(
			'user_id'	 => get_queried_object_id(),
			'number'	 => 50
		) );
	}

	return $where;
}

/**
 * Add rewrite rules
 *
 */
function upvote_rewrite_rules() {
	add_rewrite_endpoint( 'comments', EP_AUTHORS );
}
add_action( 'init', 'upvote_rewrite_rules' );

/*** Buddypress Hooks *********************************************************/
function upvote_wrap_signup_error( $error ) {
	if ( ! $error ) {
		return $error;
	}

	return '<div class="text-danger">' . $error . '</div>';
}
add_filter( 'bp_members_signup_error_message', 'upvote_wrap_signup_error' );

function upvote_bp_setup_nav() {
	$bp = buddypress();

	if ( ! bp_is_active ( 'xprofile' ) ) {
		unset( $bp->bp_nav['profile'] );
		unset( $bp->bp_options_nav['profile'] );
	}
}
add_action( 'bp_setup_nav', 'upvote_bp_setup_nav', 100 );

/**
 *
 * @global wpdb $wpdb
 * @param BP_User_Query $bp_user_query
 */
function upvote_bp_pre_user_query( &$bp_user_query ) {
	global $wpdb;

	$order_posts = <<<ORDER
SELECT SUM(pm.meta_value) FROM {$wpdb->posts} AS p INNER JOIN {$wpdb->postmeta} AS pm ON(p.ID = pm.post_id AND pm.meta_key = '_upvotes') WHERE p.post_author = u.user_id AND p.post_type = "post" AND p.post_status = "publish" GROUP BY p.post_author
ORDER;

	$order_comments = <<<ORDER
SELECT SUM(cm.meta_value) FROM {$wpdb->comments} as c INNER JOIN {$wpdb->commentmeta} AS cm ON(c.comment_ID = cm.comment_id AND cm.meta_key = "_upvotes") WHERE c.user_id = u.user_id AND c.comment_approved = '1' GROUP BY c.user_id
ORDER;

	$bp_user_query->uid_clauses['orderby'] = "ORDER BY ( IFNULL( ({$order_posts}), 0 ) + IFNULL( ({$order_comments}), 0 ) )";
}
add_action( 'bp_pre_user_query', 'upvote_bp_pre_user_query', 0, 1 );