app.js

const express = require("express");
const path = require("path");
const mongoose = require("mongoose");
const ejsMate = require("ejs-mate"); //styling ejs stuff
const catchAsync = require("./utils/catchAsync");
const ExpressError = require("./utils/ExpressError");
const Campground = require("./models/campground");
const methodOverride = require("method-override");

main().catch((err) => console.log(err));

async function main() {
  await mongoose.connect("mongodb://localhost:27017/yelp-camp");
  console.log("OPEN");
}

const app = express();

app.engine("ejs", ejsMate);
app.set("view engine", "ejs");
app.set("views", path.join(__dirname, "views"));

app.use(express.urlencoded({ extended: true })); //so that req.body can be parsed
app.use(methodOverride("_method"));

app.get("/", (req, res) => {
  res.render("home");
});

app.get(
  "/campgrounds",
  catchAsync(async (req, res) => {
    const campgrounds = await Campground.find({}); //all campgrounds stored in campgrounds array
    res.render("campgrounds/index", { campgrounds }); //go to campgrounds/index.ejs file
  })
);

app.get(
  "/campgrounds/new",
  catchAsync(async (req, res) => {
    res.render("campgrounds/new");
  })
);

app.post(
  "/campgrounds",
  catchAsync(async (req, res, next) => {
    const campground = new Campground(req.body.campground); //.campground bc thats where our data is nested
    await campground.save();
    res.redirect(`/campgrounds/${campground._id}`);
  })
);

app.get(
  "/campgrounds/:id",
  catchAsync(async (req, res) => {
    const campground = await Campground.findById(req.params.id);
    res.render("campgrounds/show", { campground });
  })
);

app.get(
  "/campgrounds/:id/edit",
  catchAsync(async (req, res) => {
    const campground = await Campground.findById(req.params.id);
    res.render("campgrounds/edit", { campground });
  })
);

app.put(
  "/campgrounds/:id",
  catchAsync(async (req, res) => {
    const { id } = req.params;
    const campground = await Campground.findByIdAndUpdate(id, {
      ...req.body.campground,
    });
    res.redirect(`/campgrounds/${campground._id}`);
  })
);

app.delete(
  "/campgrounds/:id",
  catchAsync(async (req, res) => {
    const { id } = req.params;
    deleteCampground = await Campground.findByIdAndDelete(id);
    res.redirect("/campgrounds");
  })
);

app.all("*", (req, res, next) => {
  next(new ExpressError("Page Not Found", 404));
});

app.use((err, req, res, next) => {
  const { statusCode = 500, message = "Something went wrong" } = err;
  res.status(statusCode);
  res.send(message);
});

app.listen(3000, () => {
  console.log("Listening on port 3000");
});