Custom myCRED Hook for WP Postviews. Points can be awarded or deducted for each post view registered by the plugin with an option to set a limit. Requires myCRED 1.6 or higher.

mycred-hook-wp-postviews

/**
 * WP Postviews Hook
 * @version 1.0
 * @author Gabriel S Merovingi
 */
add_filter( 'mycred_setup_hooks', 'register_wp_postviews_hook_in_mycred' );
function register_wp_postviews_hook_in_mycred( $installed ) {

	$installed['wp_postviews'] = array(
		'title'       => __( 'WP Postviews', 'textdomain' ),
		'description' => __( 'This hook awards / deducts points for post views via the WP Postviews plugin.', 'textdomain' ),
		'callback'    => array( 'myCRED_Hook_WP_Postviews' )
	);
	return $installed;

}

if ( class_exists( 'myCRED_Hook' ) ) :
	class myCRED_Hook_WP_Postviews extends myCRED_Hook {

		/**
		 * Construct
		 */
		function __construct( $hook_prefs, $type = 'mycred_default' ) {
			parent::__construct( array(
				'id'       => 'wp_postviews',
				'defaults' => array(
					'creds'  => 1,
					'log'    => '%plural% for post view',
					'limit'  => 0
				)
			), $hook_prefs, $type );
		}

		/**
		 * Hook into WP Postviews
		 * @since 1.0
		 * @version 1.0
		 */
		public function run() {

			add_action( 'postviews_increment_views',      array( $this, 'new_view' ) );
			add_action( 'postviews_increment_views_ajax', array( $this, 'new_view_ajax' ) );

		}

		/**
		 * New View
		 * @since 1.0
		 * @version 1.0
		 */
		public function new_view() {

			global $post;

			$this->process_new_view( $post );

		}
		
		/**
		 * New View Ajax
		 * @since 1.0
		 * @version 1.0
		 */
		public function new_view_ajax() {

			$post_id = intval( $_GET['postviews_id'] );

			$post = get_post( $post_id );
			if ( isset( $post->ID ) )
				$this->process_new_view( $post );

		}

		/**
		 * Process View
		 * @since 1.0
		 * @version 1.0
		 */
		protected function process_new_view( $post ) {

			// Check for exclusions
			if ( $this->core->exclude_user( $post->post_author ) ) return;

			// Payout if not over limit
			if ( ! $this->over_hook_limit( '', 'postview', $post->post_author ) )
				$this->core->add_creds(
					'postview',
					$post->post_author,
					$this->prefs['creds'],
					$this->prefs['log'],
					$post->ID,
					array( 'ref_type' => 'post' ),
					$this->mycred_type
				);

		}

		/**
		 * Preference for this Hook
		 * @since 1.0
		 * @version 1.0
		 */
		public function preferences() {

			$prefs = $this->prefs;

?>
<label class="subheader" for="<?php echo $this->field_id( 'creds' ); ?>"><?php _e( 'Post View', 'textdomain' ); ?></label>
<ol>
	<li>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( 'creds' ); ?>" id="<?php echo $this->field_id( 'creds' ); ?>" value="<?php echo $this->core->format_number( $prefs['creds'] ); ?>" size="8" /></div>
	</li>
	<li>
		<label for="<?php echo $this->field_id( 'limit' ); ?>"><?php _e( 'Limit', 'textdomain' ); ?></label>
		<?php echo $this->hook_limit_setting( $this->field_name( 'limit' ), $this->field_id( 'limit' ), $prefs['limit'] ); ?>
	</li>
	<li class="empty">&nbsp;</li>
	<li>
		<label for="<?php echo $this->field_id( 'log' ); ?>"><?php _e( 'Log template', 'textdomain' ); ?></label>
		<div class="h2"><input type="text" name="<?php echo $this->field_name( 'log' ); ?>" id="<?php echo $this->field_id( 'log' ); ?>" value="<?php echo esc_attr( $prefs['log'] ); ?>" class="long" /></div>
		<span class="description"><?php echo $this->core->available_template_tags( array( 'general', 'post' ) ); ?></span>
	</li>
</ol>
<?php

		}

		/**
		 * Sanitise Preferences
		 * @since 1.0
		 * @version 1.0
		 */
		public function sanitise_preferences( $data ) {

			if ( isset( $data['limit'] ) && isset( $data['limit_by'] ) ) {
				$limit = sanitize_text_field( $data['limit'] );
				if ( $limit == '' ) $limit = 0;
				$data['limit'] = $limit . '/' . $data['limit_by'];
				unset( $data['limit_by'] );
			}

			return $data;

		}

	}
endif;