Term_Purge::run()

	public function run() {
		$status = new Status();
		$status->set_status( $this->running_state() );

		$page = $this->get_page();
		if ( empty( $page ) ) {
			$page = 1;
		}

		do_action( 'bigcommerce/log', Error_Log::DEBUG, sprintf( __( 'Removing deleted terms for %s taxonomy', 'bigcommerce' ), $this->taxonomy() ), [
			'page'     => $page,
			'limit'    => $this->batch_size,
			'taxonomy' => $this->taxonomy(),
		] );
		try {
			$local_terms  = $this->get_local_term_ids( $page );
			$remote_terms = $this->get_remote_term_ids( $local_terms );
		} catch ( ApiException $e ) {
			do_action( 'bigcommerce/import/error', $e->getMessage(), [
				'response' => $e->getResponseBody(),
				'headers'  => $e->getResponseHeaders(),
			] );
			do_action( 'bigcommerce/log', Error_Log::DEBUG, $e->getTraceAsString(), [] );

			return;
		}

		$deleted_terms = array_diff( $local_terms, $remote_terms );

		// Create/update each term
		foreach ( $deleted_terms as $term_id => $bigcommerce_id ) {
			do_action( 'bigcommerce/log', Error_Log::DEBUG, sprintf( __( 'Deleting term %s from taxonomy %s', 'bigcommerce' ), $term_id, $this->taxonomy() ), [
				'bigcommerce_id'     => $bigcommerce_id,
			] );
			wp_delete_term( $term_id, $this->taxonomy() );
		}

		if ( count( $local_terms ) < $this->batch_size ) {
			$status->set_status( $this->completed_state() );
			$this->clear_state();
		} else {
			do_action( 'bigcommerce/log', Error_Log::DEBUG, sprintf( __( '%s purge ready for next page of terms', 'bigcommerce' ), $this->taxonomy() ), [
				'next'     => $page + 1,
				'taxonomy' => $this->taxonomy(),
			] );
			$this->set_page( $page + 1 );
		}
	}