394 lines
12 KiB
JavaScript
394 lines
12 KiB
JavaScript
const express = require('express');
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const path = require('path');
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const logger = require('morgan');
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const cookieParser = require('cookie-parser');
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const bodyParser = require('body-parser');
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const session = require('express-session');
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const moment = require('moment');
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const _ = require('lodash');
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const MongoStore = require('connect-mongodb-session')(session);
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const numeral = require('numeral');
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const helmet = require('helmet');
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const colors = require('colors');
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const cron = require('node-cron');
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const crypto = require('crypto');
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const common = require('./lib/common');
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const { runIndexing } = require('./lib/indexing');
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const { addSchemas } = require('./lib/schema');
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const { initDb } = require('./lib/db');
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let handlebars = require('express-handlebars');
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// Validate our settings schema
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const Ajv = require('ajv');
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const ajv = new Ajv({ useDefaults: true });
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// get config
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const config = common.getConfig();
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const baseConfig = ajv.validate(require('./config/baseSchema'), config);
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if(baseConfig === false){
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console.log(colors.red(`settings.json incorrect: ${ajv.errorsText()}`));
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process.exit(2);
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}
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// Validate the payment gateway config
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switch(config.paymentGateway){
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case'paypal':
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if(ajv.validate(require('./config/paypalSchema'), require('./config/paypal.json')) === false){
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console.log(colors.red(`PayPal config is incorrect: ${ajv.errorsText()}`));
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process.exit(2);
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}
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break;
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case'stripe':
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if(ajv.validate(require('./config/stripeSchema'), require('./config/stripe.json')) === false){
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console.log(colors.red(`Stripe config is incorrect: ${ajv.errorsText()}`));
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process.exit(2);
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}
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break;
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case'authorizenet':
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if(ajv.validate(require('./config/authorizenetSchema'), require('./config/authorizenet.json')) === false){
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console.log(colors.red(`Authorizenet config is incorrect: ${ajv.errorsText()}`));
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process.exit(2);
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}
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break;
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}
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// require the routes
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const index = require('./routes/index');
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const admin = require('./routes/admin');
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const product = require('./routes/product');
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const customer = require('./routes/customer');
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const order = require('./routes/order');
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const user = require('./routes/user');
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const paypal = require('./routes/payments/paypal');
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const stripe = require('./routes/payments/stripe');
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const authorizenet = require('./routes/payments/authorizenet');
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const app = express();
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// view engine setup
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app.set('views', path.join(__dirname, '/views'));
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app.engine('hbs', handlebars({
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extname: 'hbs',
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layoutsDir: path.join(__dirname, 'views', 'layouts'),
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defaultLayout: 'layout.hbs',
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partialsDir: [path.join(__dirname, 'views')]
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}));
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app.set('view engine', 'hbs');
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// helpers for the handlebar templating platform
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handlebars = handlebars.create({
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helpers: {
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perRowClass: (numProducts) => {
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if(parseInt(numProducts) === 1){
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return'col-md-12 col-xl-12 col m12 xl12 product-item';
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}
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if(parseInt(numProducts) === 2){
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return'col-md-6 col-xl-6 col m6 xl6 product-item';
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}
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if(parseInt(numProducts) === 3){
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return'col-md-4 col-xl-4 col m4 xl4 product-item';
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}
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if(parseInt(numProducts) === 4){
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return'col-md-3 col-xl-3 col m3 xl3 product-item';
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}
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return'col-md-6 col-xl-6 col m6 xl6 product-item';
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},
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menuMatch: (title, search) => {
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if(!title || !search){
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return'';
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}
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if(title.toLowerCase().startsWith(search.toLowerCase())){
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return'class="navActive"';
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}
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return'';
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},
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getTheme: (view) => {
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return`themes/${config.theme}/${view}`;
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},
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formatAmount: (amt) => {
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if(amt){
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return numeral(amt).format('0.00');
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}
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return'0.00';
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},
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amountNoDecimal: (amt) => {
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if(amt){
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return handlebars.helpers.formatAmount(amt).replace('.', '');
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}
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return handlebars.helpers.formatAmount(amt);
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},
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getStatusColor: (status) => {
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switch(status){
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case'Paid':
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return'success';
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case'Approved':
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return'success';
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case'Approved - Processing':
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return'success';
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case'Failed':
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return'danger';
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case'Completed':
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return'success';
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case'Shipped':
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return'success';
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case'Pending':
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return'warning';
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default:
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return'danger';
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}
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},
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checkProductOptions: (opts) => {
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if(opts){
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return'true';
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}
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return'false';
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},
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currencySymbol: (value) => {
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if(typeof value === 'undefined' || value === ''){
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return'$';
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}
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return value;
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},
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objectLength: (obj) => {
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if(obj){
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return Object.keys(obj).length;
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}
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return 0;
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},
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stringify: (obj) => {
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if(obj){
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return JSON.stringify(obj);
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}
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return'';
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},
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checkedState: (state) => {
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if(state === 'true' || state === true){
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return'checked';
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}
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return'';
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},
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selectState: (state, value) => {
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if(state === value){
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return'selected';
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}
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return'';
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},
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isNull: (value, options) => {
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if(typeof value === 'undefined' || value === ''){
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return options.fn(this);
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}
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return options.inverse(this);
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},
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toLower: (value) => {
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if(value){
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return value.toLowerCase();
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}
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return null;
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},
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formatDate: (date, format) => {
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return moment(date).format(format);
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},
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ifCond: (v1, operator, v2, options) => {
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switch(operator){
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case'==':
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return(v1 === v2) ? options.fn(this) : options.inverse(this);
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case'!=':
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return(v1 !== v2) ? options.fn(this) : options.inverse(this);
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case'===':
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return(v1 === v2) ? options.fn(this) : options.inverse(this);
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case'<':
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return(v1 < v2) ? options.fn(this) : options.inverse(this);
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case'<=':
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return(v1 <= v2) ? options.fn(this) : options.inverse(this);
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case'>':
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return(v1 > v2) ? options.fn(this) : options.inverse(this);
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case'>=':
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return(v1 >= v2) ? options.fn(this) : options.inverse(this);
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case'&&':
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return(v1 && v2) ? options.fn(this) : options.inverse(this);
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case'||':
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return(v1 || v2) ? options.fn(this) : options.inverse(this);
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default:
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return options.inverse(this);
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}
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},
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isAnAdmin: (value, options) => {
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if(value === 'true' || value === true){
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return options.fn(this);
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}
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return options.inverse(this);
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}
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}
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});
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// session store
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const store = new MongoStore({
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uri: config.databaseConnectionString,
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collection: 'sessions'
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});
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// Setup secrets
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if(!config.secretCookie || config.secretCookie === ''){
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const randomString = crypto.randomBytes(20).toString('hex');
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config.secretCookie = randomString;
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common.updateConfigLocal({ secretCookie: randomString });
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}
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if(!config.secretSession || config.secretSession === ''){
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const randomString = crypto.randomBytes(20).toString('hex');
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config.secretSession = randomString;
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common.updateConfigLocal({ secretSession: randomString });
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}
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app.enable('trust proxy');
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app.use(helmet());
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app.set('port', process.env.PORT || 1111);
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app.use(logger('dev'));
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app.use(bodyParser.json());
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app.use(bodyParser.urlencoded({ extended: false }));
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app.use(cookieParser(config.secretCookie));
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app.use(session({
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resave: true,
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saveUninitialized: true,
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secret: config.secretSession,
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cookie: {
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path: '/',
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httpOnly: true,
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maxAge: 900000
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},
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store: store
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}));
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// serving static content
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app.use(express.static(path.join(__dirname, 'public')));
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app.use(express.static(path.join(__dirname, 'views', 'themes')));
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// Make stuff accessible to our router
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app.use((req, res, next) => {
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req.handlebars = handlebars;
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next();
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});
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// Ran on all routes
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app.use((req, res, next) => {
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res.setHeader('Cache-Control', 'no-cache, no-store');
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next();
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});
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// setup the routes
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app.use('/', index);
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app.use('/', customer);
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app.use('/', product);
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app.use('/', order);
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app.use('/', user);
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app.use('/', admin);
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app.use('/paypal', paypal);
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app.use('/stripe', stripe);
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app.use('/authorizenet', authorizenet);
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// catch 404 and forward to error handler
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app.use((req, res, next) => {
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const err = new Error('Not Found');
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err.status = 404;
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next(err);
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});
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// error handlers
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// development error handler
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// will print stacktrace
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if(app.get('env') === 'development'){
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app.use((err, req, res, next) => {
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console.error(colors.red(err.stack));
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res.status(err.status || 500);
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res.render('error', {
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message: err.message,
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error: err,
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helpers: handlebars.helpers
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});
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});
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}
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// production error handler
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// no stacktraces leaked to user
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app.use((err, req, res, next) => {
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console.error(colors.red(err.stack));
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res.status(err.status || 500);
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res.render('error', {
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message: err.message,
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error: {},
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helpers: handlebars.helpers
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});
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});
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// Nodejs version check
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const nodeVersionMajor = parseInt(process.version.split('.')[0].replace('v', ''));
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if(nodeVersionMajor < 7){
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console.log(colors.red(`Please use Node.js version 7.x or above. Current version: ${nodeVersionMajor}`));
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process.exit(2);
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}
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app.on('uncaughtException', (err) => {
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console.error(colors.red(err.stack));
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process.exit(2);
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});
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initDb(config.databaseConnectionString, async (err, db) => {
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// On connection error we display then exit
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if(err){
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console.log(colors.red('Error connecting to MongoDB: ' + err));
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process.exit(2);
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}
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// add db to app for routes
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app.db = db;
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app.config = config;
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app.port = app.get('port');
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// Fire up the cron job to clear temp held stock
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cron.schedule('*/1 * * * *', async () => {
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const validSessions = await db.sessions.find({}).toArray();
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const validSessionIds = [];
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_.forEach(validSessions, (value) => {
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validSessionIds.push(value._id);
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});
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// Remove any invalid cart holds
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await db.cart.deleteMany({
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sessionId: { $nin: validSessionIds }
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});
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});
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// Set trackStock for testing
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if(process.env.NODE_ENV === 'test'){
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config.trackStock = true;
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}
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// Process schemas
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await addSchemas();
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// We index when not in test env
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if(process.env.NODE_ENV !== 'test'){
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try{
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await runIndexing(app);
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}catch(ex){
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console.error(colors.red('Error setting up indexes:' + err));
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}
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}
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// Start the app
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try{
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await app.listen(app.get('port'));
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app.emit('appStarted');
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console.log(colors.green('expressCart running on host: http://localhost:' + app.get('port')));
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}catch(ex){
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console.error(colors.red('Error starting expressCart app:' + err));
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process.exit(2);
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}
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});
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module.exports = app;
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