aws-sns-sms-service/src/services/AmazonSNS/index.js

A simple way to send SMS text messages.

const { SNSClient, PublishCommand } = require('@aws-sdk/client-sns');
const { defaultConfig } = require('../../configuration');
const validation = require('./validation');

const validateNotification = parameters => {
    return validation.validateParameters(parameters);
}

const formRequestNotification = notification => ({
    Message: notification.message,
    PhoneNumber: '+' + notification.mobile,
    MessageAttributes: {
        'AWS.SNS.SMS.SMSType': {
            'DataType': 'String',
            'StringValue': 'Transactional'
        }
    }
});

const formRequestOptions = parameters => ({
    credentials: {
        accessKeyId: parameters.key_id,
        secretAccessKey: parameters.access_key
    },
    region: defaultConfig.AWS_REGION
});

const serviceNotification = async (parameters = {}) => {
    const { mobiles } = parameters;
    const options = formRequestOptions({ ...parameters });
    const snsClient = new SNSClient(options);
    
    let response = [];

    await Promise.all(mobiles.map(async (mobile) => {
        const notification = formRequestNotification({ ...parameters, mobile });
        const command = new PublishCommand(notification);        
        const result = await snsClient.send(command);
                
        response.push({
            mobile,
            message_id: result.MessageId,
        });
    }));

    return response;
}

const sendNotificationAmazonSNS = async (parameters = {}) => {
    const { error, response } = validateNotification(parameters);

    if (response === null) return { error: error.details[0], response };
    return await serviceNotification(parameters);
}

module.exports = {
    sendNotificationAmazonSNS,
}