Connect Notion database and Amazon S3 NDJSON 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 AwsS3TargetUploadNdjson {
    async init() {
        // TODO: Create your aws-s3 credential
        // More info at https://yepcode.io/docs/integrations/aws-s3/#credential-configuration
        const awsS3 = yepcode.integration.awsS3("your-aws-s3-credential-name");
        // Transforms the items into a ndjson format
        this.stringifier = ndjson.stringify();
        const targetStream = new PassThrough();
        this.stringifier.pipe(targetStream);
        // TODO: customize the Upload content
        // More info at: https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/interfaces/_aws_sdk_lib_storage.options-1.html
        const upload = new Upload({
            client: awsS3,
            params: {
                Bucket: "your-bucket-name",
                Key: "your-file-name.ndjson",
                Body: targetStream,
            },
        });
        upload.on("httpUploadProgress", (progress) => {
            console.log(`Upload progress`, progress);
        });
        this.uploadPromise = upload.done();
    }

    async consume(item) {
        this.stringifier.write(item);
    }

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