ASTRA_Ext_WooCommerce_Markup::sale_flash( mixed $markup, string $post, object $product )

		public function sale_flash( $markup, $post, $product ) {

			$sale_notification  = astra_get_option( 'product-sale-notification', '', 'default' );
			$sale_percent_value = '';

			// If none then return!
			if ( 'none' === $sale_notification ) {
				return;
			}

			// Default text.
			$text                 = __( 'Sale!', 'astra-addon' );
			$sale_percentage_data = array();

			switch ( $sale_notification ) {

				// Display % instead of "Sale!".
				case 'sale-percentage':
					$sale_percent_value = astra_get_option( 'product-sale-percent-value' );
					// if not variable product.
					if ( ! $product->is_type( 'variable' ) ) {
						$sale_price = $product->get_sale_price();

						if ( $sale_price ) {
							$regular_price      = $product->get_regular_price();
							$percent_sale       = round( ( ( ( $regular_price - $sale_price ) / $regular_price ) * 100 ), 0 );
							$sale_percent_value = $sale_percent_value ? $sale_percent_value : '-[value]%';
							$text               = str_replace( '[value]', $percent_sale, $sale_percent_value );
						}
					} else {

						// if variable product.
						foreach ( $product->get_children() as $child_id ) {
							$variation = wc_get_product( $child_id );
							if ( $variation instanceof WC_Product ) {
								// Checking in case if the wc_get_product exists or is not false.
								$sale_price = $variation->get_sale_price();
								if ( $sale_price ) {
									$regular_price                     = $variation->get_regular_price();
									$percent_sale                      = round( ( ( ( $regular_price - $sale_price ) / $regular_price ) * 100 ), 0 );
									$sale_percent_value                = $sale_percent_value ? $sale_percent_value : '-[value]%';
									$text                              = str_replace( '[value]', $percent_sale, $sale_percent_value );
									$sale_percentage_data[ $child_id ] = $percent_sale;

								}
							}
						}
					}
					break;
			}

			// CSS classes.
			$classes   = array();
			$classes[] = 'onsale';
			$classes[] = astra_get_option( 'product-sale-style' );
			$classes   = implode( ' ', $classes );

			// Generate markup.
			return '<span  ' . astra_attr(
				'woo-sale-badge-container',
				array(
					'class'              => $classes,
					'data-sale'          => wp_json_encode( $sale_percentage_data ),
					'data-notification'  => $sale_notification,
					'data-sale-per-text' => $sale_percent_value,
				)
			) . '>' . esc_html( $text ) . '</span>';

		}