Testimonials with ratings

gistfile1.txt

/**
 * Create a Rating metabox for Accolades.
 */
function dbt_accolade_rating_metabox() {
        add_meta_box( 'dbt_accolade_rating_metabox', __( 'Testimonial Rating' ), 'dbt_accolade_rating_callback', 'accolade', 'normal', 'default' );
}
add_action( 'add_meta_boxes', 'dbt_accolade_rating_metabox' );
  
function dbt_accolade_rating_callback( $post ) {
        wp_nonce_field( 'accolade_rating_check', 'accolade_rating_nonce' ); 

        $current_value = get_post_meta( $post->ID, '_dbt_accolade_rating', true ); 
        ?>
        <select id="accolade_rating" name="accolade_rating">
        <?php 
                $options = array(
			'5'	        => __( '5 Stars' ),
			'4'		=> __( '4 Stars' ),
			'3'	        => __( '3 Stars' ),
			'2'		=> __( '2 Stars' ),
			'1'		=> __( '1 Star' ),
		);

                foreach( $options as $key => $value ) {
                        if ( $key == $current_value ) { ?>
                                <option value="<?php esc_attr_e( $key ); ?>" selected><?php esc_attr_e( $value ); ?></option><?php }
                        else { ?>
                                <option value="<?php esc_attr_e( $key ); ?>"><?php esc_attr_e( $value ); ?></option><?php
                        }
                }
        ?>
        </select>
	<?php
}

function dbt_save_accolade_rating( $post_id ) {
        if ( ! isset( $_POST['accolade_rating_nonce'] ) ) { return; } 

        if ( ! wp_verify_nonce( $_POST['accolade_rating_nonce'], 'accolade_rating_check' ) ) { return; } 

        if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { return; } 

        if ( ! current_user_can( 'edit_page', $post_id ) ) { return; } 

        if ( isset( $_POST['accolade_rating'] ) ) {  
                $value = $_POST['accolade_rating'];

		$valid = array( '1', '2', '3', '4', '5' );

                if ( in_array( $value, $valid ) ) {
			update_post_meta( $post_id, '_dbt_accolade_rating', $value ); 
		}
        }
}
add_action( 'save_post', 'dbt_save_accolade_rating' );



/**
 * List Testimonials (Text Accolades).
 */
function dbt_text_accolades_html( $number, $class, $imagesize ) {
	$args = array(
		'post_type'             => 'accolade',
		'post_status'        	=> 'publish',
		'posts_per_page'        => absint( $number ), 
		'meta_key' 		=> '_dbt_accolade_type',
		'meta_value' 		=> 'testimonial',
		'meta_compare' 		=> '===',
		'orderby'               => 'date',
		'order'                 => 'DESC',
		'no_found_rows' 	=> true
	);
	  
	$text_accolades = new WP_Query( $args );

	if ( $text_accolades->have_posts() ) { ?>
		<ul itemscope itemtype="http://schema.org/LocalBusiness" class="accolades <?php esc_attr_e( $class ); ?>">
			<meta itemprop="name" content="<?php bloginfo( 'name' ); ?>">
			<meta itemprop="description" content="<?php bloginfo( 'description' ); ?>">
			<?php $rating_total = ''; ?>
			<?php $review_count = ''; ?>
			<?php while ( $text_accolades->have_posts() ) : $text_accolades->the_post(); ?>        
				<li itemprop="review" itemscope itemtype="http://schema.org/Review" <?php post_class(); ?>>
					<?php if ( $imagesize !== 'none' ) { the_post_thumbnail( esc_attr( $imagesize ) ); } ?>
					<blockquote itemprop="description">
						<?php the_content(); ?> 
						<?php 
							$link = get_post_meta( get_the_ID(), '_dbt_accolade_link', true );
			
							if ( $link ) { ?>
								<a href="<?php echo esc_url( $link ); ?>"><?php the_title( '<cite itemprop="author">', '</cite>' ); ?></a><?php 
							}
							else {
								the_title( '<cite itemprop="author">', '</cite>' ); 
							}
						?>
						<meta itemprop="datePublished" content="<?php the_time( get_option( 'date_format' ) ); ?>">
						<span itemprop="reviewRating" itemscope itemtype="http://schema.org/Rating">
							<?php $rating_value = absint( get_post_meta( get_the_ID(), '_dbt_accolade_rating', true ) ); ?>
							<meta itemprop="ratingValue" content="<?php echo $rating_value; ?>">
						</span>
					</blockquote>
				</li>
			<?php $rating_total = $rating_total + $rating_value; ?>
			<?php $review_count++; ?>
			<?php endwhile; ?>
			<?php
				if ( $review_count > 1 ) { ?>
					<span itemprop="aggregateRating" itemscope itemtype="http://schema.org/AggregateRating">
						<meta itemprop="ratingValue" content="<?php echo ( $rating_total / $review_count ); ?>"><meta itemprop="reviewCount" content="<?php echo $review_count; ?>">
					</span><?php 
				}
			?>
                        <?php wp_reset_postdata(); ?>
		</ul><?php
	}    
}