Connect Discord messages and FTP CSV file in our serverless environment

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

    async fetch(publish, done) {
        // TODO: Customize your discord channel id
        // See how to find channel id at:
        // https://support.discord.com/hc/en-us/articles/206346498-Where-can-I-find-my-User-Server-Message-ID-#:~:text=On%20Android%20press%20and%20hold,name%20and%20select%20Copy%20ID.
        const channelId = "your-discord-channel-id";
        const channel = await this.discordClient.channels.fetch(channelId);
        const messages = await channel.messages.fetch({
            limit: 10
        });

        for (const message of messages) {
            await publish(message);
        }
        done();
    }

    async close() {
        this.discordClient.destroy();
    }
}

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);
        }
    }
}