.env

@@ -0,0 +1 @@
+TM_API_KEY=0FLYFe9BnzGlk2OPHrWleCulNzHpWgtC

.gitignore

@@ -1,2 +1 @@
-node_modules/
-.env
+node_modules/

index.html

@@ -24,17 +24,37 @@
     <nav class="container d-flex justify-content-between align-items-center">
 
       <h1 class="site-logo">Encore</h1>
-
+    
       <ul class="nav">
+    
         <li class="nav-item">
-          <a class="nav-link" href="index.html">Home</a>
+          <a class="nav-link" href="#" id="nav-events">Events</a>
         </li>
-
+    
         <li class="nav-item">
-          <a class="nav-link" href="#">Events</a>
+          <a class="nav-link d-none" href="#" id="nav-my-events">My Events</a>
         </li>
+    
+        <li class="nav-item">
+          <a class="nav-link d-none" href="#" id="nav-invitations">Invitations</a>
+        </li>
+    
       </ul>
-
+    
+      <!-- LOGIN AREA -->
+      <div id="auth-area">
+        <input id="username" placeholder="Username" class="form-control d-inline w-auto">
+        <input id="password" type="password" placeholder="Password" class="form-control d-inline w-auto">
+        <button id="login-btn" class="btn btn-success">Login</button>
+        <button id="register-btn" class="btn btn-secondary">Register</button>
+      </div>
+    
+      <!-- USER AREA -->
+      <div id="user-area" class="d-none">
+        <span id="user-name"></span>
+        <button id="logout-btn" class="btn btn-danger btn-sm">Logout</button>
+      </div>
+    
     </nav>
   </header>
 
@@ -42,7 +62,7 @@
   <main class="container mt-4">
 
     <!-- SEARCH / FILTER SECTION -->
-    <section class="search mb-4">
+    <section class="search mb-4" id="search-section">
 
       <h2>Find Events</h2>
 
@@ -72,10 +92,7 @@
         </select>
 
         <!-- Button -->
-        <button
-          id="load-events"
-          class="btn btn-primary"
-        >
+        <button id="load-events" class="btn btn-primary">
           Search
         </button>
 
@@ -84,7 +101,7 @@
     </section>
 
     <!-- EVENTS LIST -->
-    <section class="events">
+    <section class="events" id="events-section">
 
       <h2>Upcoming Events</h2>
 
@@ -94,6 +111,32 @@
 
     </section>
 
+    <!-- ========================= -->
+    <!-- MY EVENTS -->
+    <!-- ========================= -->
+    <section id="saved-section" class="d-none">
+
+      <h2>My Events</h2>
+
+      <div id="saved-list">
+        <p class="text-muted">No saved events yet.</p>
+      </div>
+
+    </section>
+
+    <!-- ========================= -->
+    <!-- INVITATIONS -->
+    <!-- ========================= -->
+    <section id="invitations-section" class="d-none">
+
+      <h2>My Invitations</h2>
+
+      <div id="invitation-list">
+        <p class="text-muted">No invitations yet.</p>
+      </div>
+
+    </section>
+
   </main>
 
   <!-- FOOTER -->

js/app.js

@@ -1,7 +1,112 @@
 import { getEvents } from "./services/eventService.js";
 import { renderEventList } from "./ui/eventList.js";
 import { getFilters } from "./ui/filters.js";
+import { login, register } from "./auth.js";
 
+// =========================
+// STATE
+// =========================
+let currentUser = null;
+let currentPassword = null;
+
+window.currentUser = null;
+window.currentPassword = null;
+
+// =========================
+// AUTH ELEMENTS
+// =========================
+const loginBtn = document.querySelector("#login-btn");
+const registerBtn = document.querySelector("#register-btn");
+
+// =========================
+// NAVIGATION ELEMENTS
+// =========================
+const navEvents = document.querySelector("#nav-events");
+const navSaved = document.querySelector("#nav-my-events");
+const navInv = document.querySelector("#nav-invitations");
+
+// =========================
+// SECTIONS
+// =========================
+const searchSection = document.querySelector("#search-section");
+const eventsSection = document.querySelector("#events-section");
+const savedSection = document.querySelector("#saved-section");
+const invSection = document.querySelector("#invitations-section");
+
+// =========================
+// AUTH UI
+// =========================
+const authArea = document.querySelector("#auth-area");
+const userArea = document.querySelector("#user-area");
+const userNameEl = document.querySelector("#user-name");
+const logoutBtn = document.querySelector("#logout-btn");
+
+// =========================
+// LOGIN
+// =========================
+loginBtn.addEventListener("click", async () => {
+
+  const username = document.querySelector("#username").value;
+  const password = document.querySelector("#password").value;
+
+  const success = await login(username, password);
+
+  if (success) {
+    currentUser = username;
+    currentPassword = password;
+
+    window.currentUser = username;
+    window.currentPassword = password;
+
+    // UI switch
+    authArea.classList.add("d-none");
+    userArea.classList.remove("d-none");
+
+    userNameEl.textContent = `👤 ${username}`;
+
+    navSaved.classList.remove("d-none");
+    navInv.classList.remove("d-none");
+
+  } else {
+    alert("Login failed");
+  }
+});
+
+// =========================
+// REGISTER
+// =========================
+registerBtn.addEventListener("click", async () => {
+
+  const username = document.querySelector("#username").value;
+
+  const data = await register(username);
+
+  alert(`User created. Password: ${data.password}`);
+});
+
+// =========================
+// LOGOUT
+// =========================
+logoutBtn.addEventListener("click", () => {
+
+  currentUser = null;
+  currentPassword = null;
+
+  window.currentUser = null;
+  window.currentPassword = null;
+
+  authArea.classList.remove("d-none");
+  userArea.classList.add("d-none");
+
+  navSaved.classList.add("d-none");
+  navInv.classList.add("d-none");
+
+  showSection("events");
+});
+
+// =========================
+// SEARCH
+// =========================
 const button = document.querySelector("#load-events");
 const container = document.querySelector("#event-list");
 const cityInput = document.querySelector("#city-input");
@@ -30,6 +135,9 @@ async function handleSearch() {
   renderEventList(filteredEvents, container);
 }
 
+// =========================
+// FILTERS
+// =========================
 function applyFilters(events, dateFrom, dateTo, category) {
 
   return events.filter(event => {
@@ -43,4 +151,118 @@ function applyFilters(events, dateFrom, dateTo, category) {
 
     return matchDateFrom && matchDateTo && matchCategory;
   });
-}
+}
+
+// =========================
+// NAVIGATION LOGIC
+// =========================
+navEvents.addEventListener("click", () => {
+  showSection("events");
+});
+
+navSaved.addEventListener("click", () => {
+  showSection("saved");
+  loadSavedEvents();
+});
+
+navInv.addEventListener("click", () => {
+  showSection("invitations");
+  loadInvitations();
+});
+
+function showSection(section) {
+
+  searchSection.classList.add("d-none");
+  eventsSection.classList.add("d-none");
+  savedSection.classList.add("d-none");
+  invSection.classList.add("d-none");
+
+  if (section === "events") {
+    searchSection.classList.remove("d-none");
+    eventsSection.classList.remove("d-none");
+  }
+
+  if (section === "saved") {
+    savedSection.classList.remove("d-none");
+  }
+
+  if (section === "invitations") {
+    invSection.classList.remove("d-none");
+  }
+}
+
+// =========================
+// SAVED EVENTS
+// =========================
+function loadSavedEvents() {
+
+  const saved = JSON.parse(localStorage.getItem("savedEvents") || "[]");
+  const container = document.querySelector("#saved-list");
+
+  container.innerHTML = "";
+
+  if (saved.length === 0) {
+    container.innerHTML = "<p>No saved events yet.</p>";
+    return;
+  }
+
+  saved.forEach(event => {
+    const div = document.createElement("div");
+    div.textContent = event.name;
+    container.appendChild(div);
+  });
+}
+
+// =========================
+// INVITATIONS
+// =========================
+async function loadInvitations() {
+
+  if (!currentUser) return;
+
+  const res = await fetch("http://localhost:3000/api/invitation", {
+    headers: {
+      "X-Username": currentUser
+    }
+  });
+
+  const data = await res.json();
+  const container = document.querySelector("#invitation-list");
+
+  container.innerHTML = "";
+
+  if (data.length === 0) {
+    container.innerHTML = "<p>No invitations.</p>";
+    return;
+  }
+
+  data.forEach(inv => {
+
+    const div = document.createElement("div");
+
+    div.innerHTML = `
+      <p><strong>${inv.fromUser}</strong> invited you to <em>${inv.eventName}</em></p>
+      <button onclick="accept(${inv.id})">Accept</button>
+      <button onclick="decline(${inv.id})">Decline</button>
+    `;
+
+    container.appendChild(div);
+  });
+}
+
+// =========================
+// ACCEPT / DECLINE
+// =========================
+window.accept = async (id) => {
+  await fetch(`http://localhost:3000/api/invitation/${id}/accept`, {
+    method: "POST"
+  });
+  loadInvitations();
+};
+
+window.decline = async (id) => {
+  await fetch(`http://localhost:3000/api/invitation/${id}/decline`, {
+    method: "POST"
+  });
+  loadInvitations();
+};

js/auth.js

@@ -0,0 +1,27 @@
+const BASE_URL = "http://localhost:3000/api";
+
+export async function register(username) {
+
+  const res = await fetch(`${BASE_URL}/user`, {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json"
+    },
+    body: JSON.stringify({ username })
+  });
+
+  return res.json();
+}
+
+export async function login(username, password) {
+
+  const res = await fetch(`${BASE_URL}/user`, {
+    method: "GET",
+    headers: {
+      "X-Username": username,
+      "X-Password": password
+    }
+  });
+
+  return res.status === 201;
+}

js/ui/eventCard.js

@@ -33,5 +33,82 @@ export function createEventCard(event) {
 
   article.append(title, date, venue);
 
+  // =========================
+  // BUTTON CONTAINER
+  // =========================
+  const buttonContainer = document.createElement("div");
+  buttonContainer.className = "d-flex gap-2 mt-2";
+
+  // =========================
+  // SAVE BUTTON
+  // =========================
+  const saveBtn = document.createElement("button");
+  saveBtn.textContent = "Save";
+  saveBtn.className = "btn btn-outline-primary btn-sm";
+
+  saveBtn.addEventListener("click", () => {
+
+    if (!window.currentUser) {
+      alert("Please login to save events");
+      return;
+    }
+
+    const saved = JSON.parse(localStorage.getItem("savedEvents") || "[]");
+
+    // prevent duplicates
+    if (saved.find(e => e.id === event.id)) {
+      alert("Event already saved");
+      return;
+    }
+
+    saved.push(event);
+    localStorage.setItem("savedEvents", JSON.stringify(saved));
+
+    alert("Event saved!");
+  });
+
+  saveBtn.disabled = !window.currentUser;
+
+  // =========================
+  // INVITE BUTTON 
+  // =========================
+  const inviteBtn = document.createElement("button");
+  inviteBtn.textContent = "Invite";
+  inviteBtn.className = "btn btn-primary btn-sm";
+
+  inviteBtn.addEventListener("click", async () => {
+
+    if (!window.currentUser) {
+      alert("Please login to invite users");
+      return;
+    }
+
+    const toUser = prompt("Enter username to invite:");
+    if (!toUser) return;
+
+    await fetch("http://localhost:3000/api/invitation", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+        "X-Username": window.currentUser
+      },
+      body: JSON.stringify({
+        toUser,
+        eventId: event.id,
+        eventName: event.name
+      })
+    });
+
+    alert("Invitation sent!");
+  });
+
+  inviteBtn.disabled = !window.currentUser;
+
+  // =========================
+  // APPEND BUTTONS
+  // =========================
+  buttonContainer.append(saveBtn, inviteBtn);
+  article.appendChild(buttonContainer);
+
   return article;
 }

server/server.js

@@ -10,7 +10,7 @@ app.use(cors());
 app.use(express.json());
 
 // =========================
-// ROOT (optional)
+// ROOT
 // =========================
 app.get("/", (req, res) => {
   res.send("Encore API is running");
@@ -121,6 +121,44 @@ app.post("/api/invitation/:id/decline", (req, res) => {
   res.json(inv);
 });
 
+let users = [];
+
+// CREATE USER
+app.post("/api/user", (req, res) => {
+
+  const { username } = req.body;
+
+  if (!username) {
+    return res.status(400).json({ message: "Username required" });
+  }
+
+  if (users.find(u => u.username === username)) {
+    return res.status(400).json({ message: "User exists" });
+  }
+
+  const password = "1234";
+
+  const user = { username, password };
+  users.push(user);
+
+  res.json({ name: username, password });
+});
+
+// LOGIN
+app.get("/api/user", (req, res) => {
+
+  const username = req.header("X-Username");
+  const password = req.header("X-Password");
+
+  const user = users.find(
+    u => u.username === username && u.password === password
+  );
+
+  if (!user) return res.sendStatus(401);
+
+  res.sendStatus(201);
+});
+
 // =========================
 // START SERVER
 // =========================