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Connect Couchbase and FTP CSV file in our serverless environment

Use this template to Read documents from Couchbase collection using them to create CSV file entries in FTP server.

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Read documents from Couchbase collection

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

    async fetch(publish, done) {
        // TODO: Customize your collection name, query and parameters.
        const query = `SELECT name FROM your-collection-name WHERE type=$1`;
        const options = {
            parameters: ["some_type"],
        };

        // TODO: Customize your bucket and scope names
        const queryStream = this.couchbaseCluster
            .bucket("your-bucket-name")
            .scope("your-scope-name")
            .query(query, options);
        queryStream.on("row", publish);
        queryStream.on("end", done);
    }

    async close() {}
}

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Create CSV file entries in FTP server

Used integrations:
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);
        }
    }
}

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