Connect Notion database and FTP CSV file in our serverless environment

class NotionSourceGetDatabase {
    async init() {
        // TODO: Create your notion credential
        // More info at https://yepcode.io/docs/integrations/notion/#credential-configuration
        this.notion = yepcode.integration.notion("your-notion-credential-name");
    }

    async fetch(publish, done) {
        // You may want to check the official docs:
        // https://developers.notion.com/reference/post-database-query

        // TODO: Customize your database id
        const databaseId = "your-notion-database-id";
        const {
            results
        } = await this.notion.databases.query({
            database_id: databaseId,
            // TODO: Customize the query config
            // You can sort, filter, etc.
            // You may want to check the docs:
            sorts: [{
                property: "Last ordered",
                direction: "ascending",
            }, ],
        });
        for (const page of results) {
            await publish(page);
        }
        done();
    }

    async close() {}
}

class SftpTargetUploadCsv {
    async init() {
        // TODO: Create your sftp credential
        // More info at https://yepcode.io/docs/integrations/sftp/#credential-configuration
        this.sftp = await yepcode.integration.sftp("your-sftp-credential-name");

        // Transform the items into a csv format
        this.stringifier = csv.stringify({
            delimiter: ",",
        });

        // TODO: Customize the remote directory where to load the csv file
        this.upload = this.sftp.put(
            this.stringifier,
            "/remoteDirPath/fileName.csv"
        );
    }

    async consume(item) {
        // TODO: Customize your csv row
        const csvRow = [item.id, item.name];
        this.stringifier.write(csvRow);
    }

    async close() {
        try {
            this.stringifier.end();
        } catch (error) {
            console.error(`Error ending stringifier`, error);
        }
        try {
            await this.upload;
        } catch (error) {
            console.error(`Error ending upload`, error);
        }
        try {
            await this.sftp.end();
        } catch (error) {
            console.error(`Error ending sftp`, error);
        }
    }
}