public function get_downloads( $args = array() ) {
		global $wpdb;

		$args = wp_parse_args(
			$args,
			array(
				'user_email'  => '',
				'user_id'     => '',
				'order_id'    => '',
				'order_key'   => '',
				'product_id'  => '',
				'download_id' => '',
				'orderby'     => 'permission_id',
				'order'       => 'ASC',
				'limit'       => -1,
				'page'        => 1,
				'return'      => 'objects',
			)
		);

		$valid_fields       = array( 'permission_id', 'download_id', 'product_id', 'order_id', 'order_key', 'user_email', 'user_id', 'downloads_remaining', 'access_granted', 'access_expires', 'download_count' );
		$get_results_output = ARRAY_A;

		if ( 'ids' === $args['return'] ) {
			$fields = 'permission_id';
		} elseif ( 'objects' === $args['return'] ) {
			$fields             = '*';
			$get_results_output = OBJECT;
		} else {
			$fields = explode( ',', (string) $args['return'] );
			$fields = implode( ', ', array_intersect( $fields, $valid_fields ) );
		}

		$query   = array();
		$query[] = "SELECT {$fields} FROM {$wpdb->prefix}woocommerce_downloadable_product_permissions WHERE 1=1";

		if ( $args['user_email'] ) {
			$query[] = $wpdb->prepare( 'AND user_email = %s', sanitize_email( $args['user_email'] ) );
		}

		if ( $args['user_id'] ) {
			$query[] = $wpdb->prepare( 'AND user_id = %d', absint( $args['user_id'] ) );
		}

		if ( $args['order_id'] ) {
			$query[] = $wpdb->prepare( 'AND order_id = %d', $args['order_id'] );
		}

		if ( $args['order_key'] ) {
			$query[] = $wpdb->prepare( 'AND order_key = %s', $args['order_key'] );
		}

		if ( $args['product_id'] ) {
			$query[] = $wpdb->prepare( 'AND product_id = %d', $args['product_id'] );
		}

		if ( $args['download_id'] ) {
			$query[] = $wpdb->prepare( 'AND download_id = %s', $args['download_id'] );
		}

		$orderby     = in_array( $args['orderby'], $valid_fields, true ) ? $args['orderby'] : 'permission_id';
		$order       = 'DESC' === strtoupper( $args['order'] ) ? 'DESC' : 'ASC';
		$orderby_sql = sanitize_sql_orderby( "{$orderby} {$order}" );
		$query[]     = "ORDER BY {$orderby_sql}";

		if ( 0 < $args['limit'] ) {
			$query[] = $wpdb->prepare( 'LIMIT %d, %d', absint( $args['limit'] ) * absint( $args['page'] - 1 ), absint( $args['limit'] ) );
		}

		// phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
		$results = $wpdb->get_results( implode( ' ', $query ), $get_results_output );

		switch ( $args['return'] ) {
			case 'ids':
				return wp_list_pluck( $results, 'permission_id' );
			case 'objects':
				return array_map( array( $this, 'get_download' ), $results );
			default:
				return $results;
		}
	}