Connect HubSpot contacts and Amazon S3 CSV file in our serverless environment

class HttpSourceHubspotContactsSearch {
    async init() {
        // More info at https://www.npmjs.com/package/axios
        // TODO: Create team variables. More info at https://yepcode.io/docs/processes/team-variables
        // TODO: Add your http credential with hubspot information:
        this.httpClient = axios.create({
            baseURL: "https://api.hubapi.com",
            headers: {
                authorization: `Bearer ${yepcode.env.HUBSPOT_ACCESS_TOKEN}`,
            },
        });
    }

    async fetch(publish, done) {
        // TODO: Customize your filter
        // More info at: https://developers.hubspot.com/docs/api/crm/search#filter-search-results
        const filter = {
            propertyName: "createdate",
            operator: "GTE",
            value: Date.now() - 90 * 24 * 60 * 60 * 1000, // last 90 days
        };
        const filterGroup = {
            filters: [filter]
        };
        // TODO: Customize your sort
        // More info at: https://developers.hubspot.com/docs/api/crm/search#sort-search-results
        const sort = JSON.stringify({
            propertyName: "createdate",
            direction: "DESCENDING",
        });
        // TODO: Customize your query and properties
        const query = "your query filter";
        const properties = ["email", "firstname", "lastname", "company", "phone"];
        const limit = 10;
        const after = 0;

        // You can check the endpoint doc here, selecting the 'ENDPOINTS' tab at the top of the page
        // https://developers.hubspot.com/docs/api/crm/contacts
        const response = await this.httpClient.post(
            `/crm/v3/objects/contacts/search`, {
                filterGroups: [filterGroup],
                sorts: [sort],
                query,
                properties,
                limit,
                after,
            }
        );

        const {
            results
        } = response.data;
        for (const contact of results) {
            await publish(contact.properties);
        }

        done();
    }

    async close() {}
}

class AwsS3TargetUploadCsv {
    async init() {
        // More info at https://www.npmjs.com/package/@aws-sdk/client-s3
        // TODO: Create team variables. More info at https://yepcode.io/docs/processes/team-variables
        this.awsS3 = new S3Client({
            region: yepcode.env.AWS_REGION,
            credentials: {
                accessKeyId: yepcode.env.AWS_ACCESS_KEY_ID,
                secretAccessKey: yepcode.env.AWS_SECRET_ACCESS_KEY,
            },
        });
        // Transforms the items into a csv format
        this.stringifier = csv.stringify({
            delimiter: ",",
        });
        this.targetStream = new PassThrough();
        this.stringifier.pipe(this.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
        this.upload = new Upload({
            client: this.awsS3,
            params: {
                Bucket: "your-bucket-name",
                Key: "your-file-name.csv",
                Body: this.targetStream,
            },
        });
        this.upload.on("httpUploadProgress", (progress) => {
            console.log(`Upload progress`, progress);
        });
        this.uploadPromise = this.upload.done();
    }

    async consume(item) {
        // TODO: customize the csv row to create from your item content
        const csvRow = [item.value, item.text];
        this.stringifier.write(csvRow);
    }

    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);
        }
    }
}