installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/includes/admin/class-edd-heartbeat.php

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+<?php
+/**
+ * Admin / Heartbeat
+ *
+ * @package     EDD
+ * @subpackage  Admin
+ * @copyright   Copyright (c) 2018, Easy Digital Downloads, LLC
+ * @license     http://opensource.org/licenses/gpl-2.0.php GNU Public License
+ * @since       1.8
+*/
+
+// Exit if accessed directly
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * EDD_Heartbeart Class
+ *
+ * Hooks into the WP heartbeat API to update various parts of the dashboard as new sales are made
+ *
+ * Dashboard components that are effect:
+ *	- Dashboard Summary Widget
+ *
+ * @since 1.8
+ */
+class EDD_Heartbeat {
+
+	/**
+	 * Get things started
+	 *
+	 * @since 1.8
+	 * @return void
+	 */
+	public static function init() {
+
+		add_filter( 'heartbeat_received', array( 'EDD_Heartbeat', 'heartbeat_received' ), 10, 2 );
+		add_action( 'admin_enqueue_scripts', array( 'EDD_Heartbeat', 'enqueue_scripts' ) );
+	}
+
+	/**
+	 * Tie into the heartbeat and append our stats
+	 *
+	 * @since 1.8
+	 * @return array
+	 */
+	public static function heartbeat_received( $response, $data ) {
+
+		if ( ! current_user_can( 'view_shop_reports' ) ) {
+			return $response; // Only modify heartbeat if current user can view show reports
+		}
+
+		// Make sure we only run our query if the edd_heartbeat key is present
+		if ( ( isset( $data['edd_heartbeat'] ) ) && ( 'dashboard_summary' === $data['edd_heartbeat'] ) ) {
+
+			$stats                          = edd_get_dashboard_sales_widget_data();
+			$response['edd-total-payments'] = $stats['total']['count'];
+			$response['edd-total-earnings'] = html_entity_decode( $stats['total']['earnings'] );
+			$response['edd-payments-month'] = $stats['this_month']['count'];
+			$response['edd-earnings-month'] = html_entity_decode( $stats['this_month']['earnings'] );
+			$response['edd-payments-today'] = $stats['today']['count'];
+			$response['edd-earnings-today'] = html_entity_decode( $stats['today']['earnings'] );
+		}
+
+		return $response;
+
+	}
+
+	/**
+	 * Load the heartbeat scripts
+	 *
+	 * @since 1.8
+	 * @return array
+	 */
+	public static function enqueue_scripts() {
+
+		if( ! current_user_can( 'view_shop_reports' ) ) {
+			return; // Only load heartbeat if current user can view show reports
+		}
+
+		// Make sure the JS part of the Heartbeat API is loaded.
+		wp_enqueue_script( 'heartbeat' );
+		add_action( 'admin_print_footer_scripts', array( 'EDD_Heartbeat', 'footer_js' ), 20 );
+	}
+
+	/**
+	 * Inject our JS into the admin footer
+	 *
+	 * @since 1.8
+	 * @return array
+	 */
+	public static function footer_js() {
+		global $pagenow;
+
+		// Only proceed if on the dashboard
+		if( 'index.php' != $pagenow ) {
+			return;
+		}
+
+		if( ! current_user_can( 'view_shop_reports' ) ) {
+			return; // Only load heartbeat if current user can view show reports
+		}
+
+		?>
+		<script>
+			(function($){
+				// Hook into the heartbeat-send
+				$(document).on('heartbeat-send', function(e, data) {
+					data['edd_heartbeat'] = 'dashboard_summary';
+				});
+
+				// Listen for the custom event "heartbeat-tick" on $(document).
+				$(document).on( 'heartbeat-tick', function(e, data) {
+
+					// Only proceed if our EDD data is present
+					if ( ! data['edd-total-payments'] )
+						return;
+
+					<?php if ( defined( 'WP_DEBUG' ) && WP_DEBUG ) : ?>
+					console.log('tick');
+					<?php endif; ?>
+
+					// Update sale count and bold it to provide a highlight
+					edd_dashboard_heartbeat_update( '.edd_dashboard_widget .table_totals .b.b-earnings', data['edd-total-earnings'] );
+					edd_dashboard_heartbeat_update( '.edd_dashboard_widget .table_totals .b.b-sales', data['edd-total-payments'] );
+					edd_dashboard_heartbeat_update( '.edd_dashboard_widget .table_today .b.b-earnings', data['edd-earnings-today'] );
+					edd_dashboard_heartbeat_update( '.edd_dashboard_widget .table_today .b.b-sales', data['edd-payments-today'] );
+					edd_dashboard_heartbeat_update( '.edd_dashboard_widget .table_current_month .b-earnings', data['edd-earnings-month'] );
+					edd_dashboard_heartbeat_update( '.edd_dashboard_widget .table_current_month .b-sales', data['edd-payments-month'] );
+
+					// Return font-weight to normal after 2 seconds
+					setTimeout(function(){
+						$('.edd_dashboard_widget .b.b-sales,.edd_dashboard_widget .b.b-earnings').css( 'font-weight', 'normal' );
+						$('.edd_dashboard_widget .table_current_month .b.b-earnings,.edd_dashboard_widget .table_current_month .b.b-sales').css( 'font-weight', 'normal' );
+					}, 2000);
+
+				});
+
+				function edd_dashboard_heartbeat_update( selector, new_value ) {
+					var current_value = $(selector).text();
+					$(selector).text( new_value );
+					if ( current_value !== new_value ) {
+						$(selector).css( 'font-weight', 'bold' );
+					}
+				}
+			}(jQuery));
+		</script>
+		<?php
+	}
+}
+add_action( 'plugins_loaded', array( 'EDD_Heartbeat', 'init' ) );