Node service for stripe payments

StripeService.js

const Stripe = require('stripe');
const Promise = require('bluebird');

class StripeService {

    constructor(server) {
        this.server = server;
        this.logger = server.plugins.core.LoggerService.tagged('StripeService');
        const secretKey = this.server.app.config.get('/payments/stripe/secretKey');
        if (!secretKey) {
            throw new Error('Unable to find stripe secretKey');
        }
        this.stripe = Stripe(secretKey);
    }

    static init(...args) {
        if (this.instance) return this.instance;
        this.instance = new this(...args);
        return this.instance;
    }

    _getMetadata(opts){
        if(!opts || !opts.customer){
            this.logger.warn('Unable to resolve metadata. Missing opts.customer');
        }

        return {
            customerId: opts.customer.id,
            fullName: opts.customer.fullName
        };
    }

    createStripeCustomer(token) {
        return Promise.resolve()
        .then(() => {
            return this.stripe.customers.create({
                email: token.email,
                source: token.id
            });
        })
        .catch((err) => {
            this.logger.error(err);
            throw err;
        });
    }

    charge(token, opts) {
        return Promise.resolve()
        .then(() => {
            return this.stripe.charges.create({
                amount: opts.amount,
                description: opts.description,
                metadata: this._getMetadata(opts),
                currency: 'usd',
                customer: opts.user.stripeCustomerId
            });
        })
        .catch((err) => {
            this.logger.error(err);
            throw err;
        });
    }

}

module.exports = StripeService;