index.js

// server code
const express = require("express");
const app = express();
const port = 8080;
app.listen(port, () => {
  console.log(`listening on port ${port}`);
});

// path required code
const path = require("path");
app.set("views", path.join(__dirname, "views"));
app.use(express.static(path.join(__dirname, "public")));
app.set("view engine", "ejs");
app.use(express.urlencoded({ extended: true }));
app.use(express.json());

const methodOverride = require("method-override");
const { v4: uuidv4 } = require("uuid");

app.use(methodOverride("_method"));

// now lets create aejs file for home page and the data arry for that
let posts = [
  {
    username: "Prem",
    content:
      "I enjoy working with Java because it helps me build strong logic and understand backend development. Writing Java programs improves my problem-solving skills and confidence. I like learning how real-world applications are designed using it.",
    id: uuidv4(),
  },
  {
    username: "Abhilash",
    content:
      "Python feels simple yet powerful, which makes it great for learning and problem solving. I like using it for logical thinking and small projects. Its clean syntax makes coding less stressful.",
    id: uuidv4(),
  },
  {
    username: "Ayushman",
    content:
      "JavaScript allows me to create interactive and dynamic web pages. I enjoy how it connects frontend and backend logic together. Learning JavaScript helps me understand full-stack development.",
    id: uuidv4(),
  },
  {
    username: "Mantosh",
    content:
      "Spring is useful for building scalable backend applications. I like how it manages complex logic in an organized way. Learning Spring helps me understand enterprise-level development.",
    id: uuidv4(),
  },
  {
    username: "Abhisake",
    content:
      "Docker makes application deployment easier and more reliable. I like how it helps in running apps anywhere without issues. Learning Docker improves my DevOps understanding.",
    id: uuidv4(),
  },
  {
    username: "Bishal",
    content:
      "Startups inspire me because they focus on solving real-life problems. I enjoy learning how ideas turn into products. Reading about startups motivates me to think creatively.",
    id: uuidv4(),
  },
];

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

app.get("/post/detail-page/:id", (req, res) => {
  let { id } = req.params;
  let post = posts.find((p) => id === p.id);
  res.render("detail.ejs", { post });
});

// show the edit page
app.get("/post/edit/:id", (req, res) => {
  let { id } = req.params;
  let post = posts.find((p) => p.id === id);
  res.render("edit.ejs", { post });
});
// edit the content by the post req by the client
app.patch("/post/edit/:id", (req, res) => {
  let { id } = req.params;
  let newcontent = req.body.content;

  let post = posts.find((p) => p.id === id);
  post.content = newcontent;

  res.redirect("/posts");
});

// create new post
app.get("/post/new", (req, res) => {
  res.render("newpost.ejs");
});

app.post("/post/new", (req, res) => {
  let id = uuidv4();
  let newC = req.body.content;
  let newU = req.body.username;
  let newPost = {
    id,
    username: newU,
    content: newC,
  };
  posts.push(newPost);
  res.redirect("/posts");
});

// delete
app.delete("/post/delete/:id", (req, res) => {
  let { id } = req.params;
  posts = posts.filter((p) => p.id !== id);
  res.redirect("/posts");
});

app.get("/post/new/:id", (req, res) => {
  let { id } = req.params;
  let post = posts.find((p) => p.id === id);
  if (!post) return res.send("Post not found");

  res.render("newWithId.ejs", { post });
});

app.post("/post/new/:id", (req, res) => {
  let id = req.params.id;

  let post = posts.find((p) => p.id === id);
  if (!post) return res.send("Post not found");

  let newPost = {
    id: uuidv4(),
    username: post.username,
    content: req.body.content,
  };

  posts.push(newPost);
  res.redirect("/posts");

});