app.js

const express = require("express");
const mongoose = require("mongoose");
const bodyParser = require("body-parser");
const users = require("./routes/api/users");
const passport = require("passport");
const profile = require("./routes/api/profile");
const item = require("./routes/api/item");
const wishlist = require("./routes/api/wishlist");
const cart = require("./routes/api/cart");
// const multer = require("multer");
// const path = require("path");
// const crypto = require("crypto");
// const GridFsStorage = require("multer-gridfs-storage");
// const Grid = require("gridfs-stream");
// const methodOverride = require("method-override");

// init app
const app = express();

// Bring in cors
const cors = require("cors");

// using bodyParser middleware
app.use(
  bodyParser.urlencoded({
    extended: false
  })
);
app.use(bodyParser.json());

// Use cors
app.use(cors());
app.use((request, response, next) => {
  response.header("Access-Control-Allow-Origin", "*");
  response.header("Access-Control-Allow-Methods", "GET, PUT, POST, DELETE");
  response.header(
    "Access-Control-Allow-Headers",
    "Content-type, Accept, x-access-token, X-Key"
  );
  response.header("Access-Control-Allow-Credentials", true);
  credentials: "same-origin";
  if (request.method == "OPTIONS") {
    response.status(200).end();
  } else {
    next();
  }
});

// creating database connection
const db = require("./config/keys").mongoURI;
mongoose
  .connect(
    db,
    {
      useNewUrlParser: true,
      useUnifiedTopology: true
    }
  )
  .then(res => {
    console.log("Database connected successfully!");
  })
  .catch(err => {
    console.log(err);
  });

// Initialize gfs
// let gfs;
//
// mongoose.connection.once("open", () => {
//   // Initialise gfs stream
//   gfs = Grid(mongoose.connection.db, mongoose.mongo);
//   gfs.collection("uploads");
// });
//
// // Create storage objects
// const storage = new GridFsStorage({
//   url: db,
//   file: (req, file) => {
//     return new Promise((resolve, reject) => {
//       crypto.randomBytes(16, (err, buf) => {
//         if (err) {
//           return reject(err);
//         }
//         const filename = buf.toString("hex") + path.extname(file.originalname);
//         const fileInfo = {
//           filename: filename,
//           bucketName: "uploads"
//         };
//         resolve(fileInfo);
//       });
//     });
//   }
// });
// const upload = multer({ storage });

// POST route /loads form
// app.post("/upload", upload.single("file"), (req, res) => {
//   console.log({ file: req.file });
// });

// Passport middleware
app.use(passport.initialize());
require("./config/passport")(passport);

// Use Routing
app.use("/api/users", users);
app.use("/api/profile", profile);
app.use("/api/item", item);
app.use("/api/wishlist", wishlist);
app.use("/api/cart", cart);

// listening app on a specified port
const port = process.env.PORT || 5001;
app.listen(port, () => {
  console.log(`App is running on port ${port}`);
});