Connect ZoomInfo contacts and Amazon S3 NDJSON file in our serverless environment

class HttpSourceZoominfoContactSearch {
    async init() {
        // TODO: Create your http credential with ZoomInfo information:
        // More info at https://yepcode.io/docs/integrations/http/#credential-configuration
        // baseUrl: https://api.zoominfo.com
        this.httpClient = yepcode.integration.http(
            "your-http-zoominfo-credential-name"
        );

        // TODO: You need to define two env vars (https://yepcode.io/docs/processes/team-variables) for credentials
        this.jwtToken = await this.httpClient
            .post("authenticate", {
                username: yepcode.env.ZOOMINFO_USERNAME,
                password: yepcode.env.ZOOMINFO_PASSWORD,
            })
            .then((response) => response.data.jwt);
    }

    async fetch(publish, done) {
        // TODO: Customize your request checking the API documentation:
        // https://api-docs.zoominfo.com/
        await this.httpClient
            .post(
                "search/contact", {
                    managementLevel: "directors",
                    companyType: "public",
                    zipCode: "19101",
                }, {
                    headers: {
                        Authorization: `Bearer ${this.jwtToken}`,
                    },
                }
            )
            .then(async ({
                data
            }) => {
                for (const contact of data) {
                    await publish(contact);
                }
            });
        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);
        }
    }
}