Serverless 应用构建新年促销

const express = require('express');
const app = express();
const AWS = require('aws-sdk');
const ses = new AWS.SES({ region: 'us-west-2' });

app.use(express.json());

app.post('/enter-promotion', async (req, res) => {
    const { name, email } = req.body;

    // 模拟抽奖逻辑
    const isWinner = Math.random() > 0.8; // 20% 中奖率

    if (isWinner) {
        try {
            await sendEmailNotification(name, email);
            res.status(200).send({ message: 'Congratulations! You won!' });
        } catch (error) {
            res.status(500).send({ message: 'Failed to send notification.' });
        }
    } else {
        res.status(200).send({ message: 'Thank you for participating. Better luck next time!' });
    }
});

async function sendEmailNotification(name, email) {
    const params = {
        Destination: {
            ToAddresses: [email],
        },
        Message: {
            Body: {
                Text: {
                    Charset: "UTF-8",
                    Data: `Hello ${name}, you have won our New Year promotion!`
                },
            },
            Subject: {
                Charset: 'UTF-8',
                Data: 'New Year Promotion Winner!'
            },
        },
        Source: 'noreply@example.com',
    };

    return ses.sendEmail(params).promise();
}

module.exports = app;