server.js

//npm dependencies
// console.log(require("dotenv").config());
require("dotenv").config();
const express = require("express");
const morgan = require("morgan");
const bodyParser = require("body-parser");
const cookieParser = require("cookie-parser");
const cors = require("cors");
const mongoose = require("mongoose");
const allowCrossDomain = (req, res, next) => {
  res.header("Access-Control-Allow-Origin", "http://localhost:3000");
  res.header("Access-Control-Allow-Methods", "GET,PUT,POST,DELETE");
  res.header("Access-Control-Allow-Headers", "*");
  if (req.method === "OPTIONS") {
    res.sendStatus(200);
  } else {
    next();
  }
};

//bring routes
const blogRoutes = require("./routes/blog");
const authRoutes = require("./routes/auth");
const userRoutes = require("./routes/user");
const categoryRoutes = require("./routes/category");
const tagRoutes = require("./routes/tag");
const veteranRoutes = require("./routes/veteran");
const retailerRoutes = require("./routes/retailer");
const distributorRoutes = require("./routes/distributor");
const makersRoutes = require("./routes/maker");
const sendMail = require("./routes/contact");

//app
const app = express();

//database
mongoose
  .connect(process.env.DATABASE_CLOUD, {
    useNewUrlParser: true,
    useCreateIndex: true,
    useFindAndModify: false,
  })
  .then(() => console.log("DB connnected"));

//middleware
app.use(morgan("dev"));
app.use(bodyParser.json());
app.use(cookieParser());
//cors
app.use(allowCrossDomain);
if (process.env.NODE_ENV == "development") {
  app.use(cors({ origin: `${process.env.CLIENT_URL}` }));
}

//routes middleware
app.use("/api", blogRoutes);
app.use("/api", authRoutes);
app.use("/api", userRoutes);
app.use("/api", categoryRoutes);
app.use("/api", tagRoutes);
app.use("/api", veteranRoutes);
app.use("/api", retailerRoutes);
app.use("/api", distributorRoutes);
app.use("/api", makersRoutes);

//Contact Form email route using Mailgun
app.post("/api/contact", (req, res) => {
  const { name, email, message } = req.body;
  sendMail(name, email, message, function (err, data) {
    if (err) {
      res.status(500).json({ message: "Internal Error" });
    } else {
      res.json({ success: true });
    }
  });
});

//port
const port = process.env.PORT || 8000;
app.listen(port, () => {
  console.log(`Server is running on port ${port}`);
});