588 lines
25 KiB
JavaScript
588 lines
25 KiB
JavaScript
document.addEventListener('DOMContentLoaded', () => {
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// --- QUERY SELECTORS ---
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const loginForm = document.querySelector('.login-form');
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const loginContainer = document.querySelector('.login-container');
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const feedView = document.getElementById('feed-view');
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const emailInput = document.getElementById('email');
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const passwordInput = document.getElementById('password');
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const confirmPasswordInput = document.getElementById('confirm-password');
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const confirmPasswordGroup = document.getElementById('confirm-password-group');
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const submitBtn = document.querySelector('.btn-primary');
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const btnText = submitBtn ? submitBtn.querySelector('span') : null;
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const toggleLink = document.querySelector('.signup-link a');
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const title = document.querySelector('.brand-section h1');
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const subtitle = document.querySelector('.brand-section p');
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// Post Creation Elements
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const createPostView = document.getElementById('create-post-view');
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const cancelPostBtn = document.getElementById('cancel-post-btn');
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const sharePostBtn = document.getElementById('share-post-btn');
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const uploadTrigger = document.getElementById('upload-trigger');
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const imageInput = document.getElementById('post-image-input');
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const imagePreview = document.getElementById('image-preview');
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const captionInput = document.getElementById('post-caption-input');
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const navPostBtn = document.querySelector('.nav-btn:nth-child(2)');
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const navHomeBtn = document.querySelector('.nav-btn:first-child');
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let isLoginMode = true;
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// --- AUTH LOGIC ---
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if (toggleLink) {
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toggleLink.addEventListener('click', (e) => {
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e.preventDefault();
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isLoginMode = !isLoginMode;
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updateUI();
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});
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}
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function updateUI() {
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if (!title || !subtitle || !btnText || !confirmPasswordGroup) return;
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if (isLoginMode) {
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title.innerText = 'Welcome Back';
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subtitle.innerText = 'Enter your details below';
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btnText.innerText = 'Sign In';
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const helper = document.querySelector('.signup-link');
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if (helper) helper.innerHTML = 'Don\'t have an account? <a href="#">Create One</a>';
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confirmPasswordGroup.classList.add('hidden');
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confirmPasswordInput.required = false;
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} else {
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title.innerText = 'Create Account';
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subtitle.innerText = 'Start your journey with us';
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btnText.innerText = 'Sign Up';
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const helper = document.querySelector('.signup-link');
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if (helper) helper.innerHTML = 'Already have an account? <a href="#">Sign In</a>';
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confirmPasswordGroup.classList.remove('hidden');
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confirmPasswordInput.required = true;
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}
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const newLink = document.querySelector('.signup-link a');
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if (newLink) {
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newLink.addEventListener('click', (e) => {
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e.preventDefault();
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isLoginMode = !isLoginMode;
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updateUI();
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});
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}
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if (loginForm) loginForm.reset();
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resetButton();
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}
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function resetButton() {
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if (!submitBtn || !btnText) return;
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submitBtn.style.background = '';
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submitBtn.style.transform = '';
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btnText.innerText = isLoginMode ? 'Sign In' : 'Sign Up';
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}
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function showFeedback(isSuccess, message) {
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if (!btnText || !submitBtn) return;
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btnText.innerText = message;
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if (isSuccess) {
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submitBtn.style.background = 'linear-gradient(135deg, #10B981 0%, #059669 100%)';
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} else {
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submitBtn.style.background = 'linear-gradient(135deg, #EF4444 0%, #B91C1C 100%)';
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submitBtn.animate([
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{ transform: 'translateX(0)' },
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{ transform: 'translateX(-5px)' },
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{ transform: 'translateX(5px)' },
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{ transform: 'translateX(0)' }
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], { duration: 300 });
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}
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setTimeout(() => {
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if (!message.includes('Success')) {
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resetButton();
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}
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}, 2000);
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}
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function navigateToFeed() {
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if (loginContainer && feedView) {
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loginContainer.style.opacity = '0';
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setTimeout(() => {
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loginContainer.classList.add('hidden');
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loginContainer.style.display = 'none';
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feedView.classList.remove('hidden');
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void feedView.offsetWidth; // Reflow
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feedView.classList.add('fade-in');
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loadPostState(); // Load data
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setTimeout(() => {
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feedView.classList.remove('fade-in');
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}, 600);
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}, 600);
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}
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}
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if (loginForm) {
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loginForm.addEventListener('submit', (e) => {
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e.preventDefault();
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const email = emailInput.value.trim();
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const password = passwordInput.value.trim();
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const confirmPassword = confirmPasswordInput.value.trim();
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const timestamp = new Date().toISOString();
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const existingUsers = JSON.parse(localStorage.getItem('socialAppUsers') || '[]');
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if (isLoginMode) {
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const user = existingUsers.find(u => u.email === email && u.password === password);
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if (user) {
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showFeedback(true, 'Success!');
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setTimeout(navigateToFeed, 1000);
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} else {
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showFeedback(false, 'Incorrect details');
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}
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} else {
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if (existingUsers.some(u => u.email === email)) {
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showFeedback(false, 'User exists');
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return;
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}
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if (password !== confirmPassword) {
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showFeedback(false, 'Passwords do not match');
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return;
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}
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const newUser = { email, password, joinedAt: timestamp };
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existingUsers.push(newUser);
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localStorage.setItem('socialAppUsers', JSON.stringify(existingUsers));
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showFeedback(true, 'Account Created!');
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setTimeout(() => {
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isLoginMode = true;
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updateUI();
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setTimeout(navigateToFeed, 1000);
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}, 1500);
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}
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});
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}
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// --- DATA HELPERS ---
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function getPostState() {
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return JSON.parse(localStorage.getItem('socialAppPostState') || '{}');
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}
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function savePostState(state) {
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localStorage.setItem('socialAppPostState', JSON.stringify(state));
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}
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function isPostDeleted(id) {
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const deletedPosts = JSON.parse(localStorage.getItem('socialAppDeletedPosts') || '[]');
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return deletedPosts.includes(id);
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}
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function loadPostState() {
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const state = getPostState();
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// 1. Remove deleted static posts
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document.querySelectorAll('.post-card').forEach(card => {
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const id = card.getAttribute('data-post-id');
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if (id && isPostDeleted(id)) {
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card.remove();
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} else if (id && state[id]) {
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// Restore Likes/Comments
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const data = state[id];
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const likeIcon = card.querySelector('.heart-icon');
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const likesText = card.querySelector('.likes');
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if (likeIcon && likesText) {
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if (data.liked) {
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likeIcon.classList.add('liked');
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likeIcon.style.fill = '#EF4444';
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likeIcon.style.stroke = '#EF4444';
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} else {
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likeIcon.classList.remove('liked');
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likeIcon.style.fill = 'none';
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likeIcon.style.stroke = 'white';
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}
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likesText.innerText = data.likesCount + ' likes';
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}
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// Restore Comments
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const commentsContainer = card.querySelector('.added-comments');
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if (commentsContainer) {
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commentsContainer.innerHTML = '';
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if (data.comments && data.comments.length > 0) {
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data.comments.forEach(text => {
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const commentEl = document.createElement('div');
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commentEl.classList.add('comment-item');
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commentEl.innerHTML = `<span class="comment-user">you</span> ${text}`;
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commentsContainer.appendChild(commentEl);
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});
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}
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}
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}
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});
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// 2. Render User Posts (if not already present)
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const savedUserPosts = JSON.parse(localStorage.getItem('socialAppUserPosts') || '[]');
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// We iterate correctly to put newest on top
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[...savedUserPosts].reverse().forEach(post => {
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if (!isPostDeleted(post.id) && !document.querySelector(`[data-post-id="${post.id}"]`)) {
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renderPost(post, true);
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// Re-apply state if needed? create function handles it mostly,
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// but checking `state` for these dynamic posts is also good practice if we tracked likes on them.
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// For now, let's assume they load fresh or we'd need to run the state logic on them too.
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// Actually, logic is: render then apply state.
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}
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});
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// Re-run state application for newly added dynamic posts
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// Optimization: splitting this logic explicitly would be better, but re-querying all is fine for small apps.
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// Let's just do a second pass for dynamic posts to support likes on them?
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// Existing loop `document.querySelectorAll` covers them if they are in DOM.
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// So this order (Filter Static -> Render Dynamic -> (Ideally re-check state on all)) is slightly off.
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// Better: Render Dynamic First, THEN apply state to ALL.
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}
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// Improve Load Flow
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function initFeed() {
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const savedUserPosts = JSON.parse(localStorage.getItem('socialAppUserPosts') || '[]');
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[...savedUserPosts].reverse().forEach(post => {
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if (!isPostDeleted(post.id) && !document.querySelector(`[data-post-id="${post.id}"]`)) {
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renderPost(post, true);
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}
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});
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const state = getPostState();
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document.querySelectorAll('.post-card').forEach(card => {
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const id = card.getAttribute('data-post-id');
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if (id && isPostDeleted(id)) {
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card.remove();
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return;
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}
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if (id && state[id]) {
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const data = state[id];
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const likeIcon = card.querySelector('.heart-icon');
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const likesText = card.querySelector('.likes');
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if (likeIcon && likesText) {
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if (data.liked) {
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likeIcon.classList.add('liked');
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likeIcon.style.fill = '#EF4444';
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likeIcon.style.stroke = '#EF4444';
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}
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likesText.innerText = data.likesCount + ' likes';
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}
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const commentsContainer = card.querySelector('.added-comments');
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if (commentsContainer) {
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commentsContainer.innerHTML = '';
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if (data.comments) {
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data.comments.forEach(text => {
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const el = document.createElement('div');
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el.classList.add('comment-item');
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el.innerHTML = `<span class="comment-user">you</span> ${text}`;
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commentsContainer.appendChild(el);
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});
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}
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}
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}
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});
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}
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// --- RENDER POST ---
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function renderPost(post, prepend = false) {
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const feedContainer = document.querySelector('.feed-container');
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const article = document.createElement('article');
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article.className = 'post-card';
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article.setAttribute('data-post-id', post.id);
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const isUserPost = post.id && post.id.startsWith('post_');
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const optionsHTML = isUserPost ? `
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<button class="icon-btn-sm options-trigger">
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<svg viewBox="0 0 24 24" width="20" height="20" stroke="currentColor" fill="none" stroke-width="2"><circle cx="12" cy="12" r="1"></circle><circle cx="19" cy="12" r="1"></circle><circle cx="5" cy="12" r="1"></circle></svg>
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</button>
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<div class="options-menu">
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<button class="menu-btn delete">
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<svg viewBox="0 0 24 24" width="16" height="16" stroke="currentColor" fill="none" stroke-width="2"><polyline points="3 6 5 6 21 6"></polyline><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"></path></svg>
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Delete Post
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</button>
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</div>
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` : `<button class="icon-btn-sm">...</button>`;
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article.innerHTML = `
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<div class="post-header">
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<div class="post-user">
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<img src="https://i.pravatar.cc/150?img=12" alt="User" class="avatar-sm">
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<span class="username">${post.username}</span>
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</div>
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${optionsHTML}
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</div>
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<div class="post-image">
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<img src="${post.imageSrc}" alt="Post">
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</div>
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<div class="post-actions">
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<div class="action-left">
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<button class="icon-btn"><svg viewBox="0 0 24 24" width="24" height="24" stroke="white" fill="none" class="heart-icon"><path d="M20.84 4.61a5.5 5.5 0 0 0-7.78 0L12 5.67l-1.06-1.06a5.5 5.5 0 0 0-7.78 7.78l1.06 1.06L12 21.23l7.78-7.78 1.06-1.06a5.5 5.5 0 0 0 0-7.78z"></path></svg></button>
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<button class="icon-btn"><svg viewBox="0 0 24 24" width="24" height="24" stroke="white" fill="none"><path d="M21 11.5a8.38 8.38 0 0 1-.9 3.8 8.5 8.5 0 0 1-7.6 4.7 8.38 8.38 0 0 1-3.8-.9L3 21l1.9-5.7a8.38 8.38 0 0 1-.9-3.8 8.5 8.5 0 0 1 4.7-7.6 8.38 8.38 0 0 1 3.8-.9h.5a8.48 8.48 0 0 1 8 8v.5z"></path></svg></button>
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</div>
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<button class="icon-btn"><svg viewBox="0 0 24 24" width="24" height="24" stroke="white" fill="none"><path d="M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z"></path></svg></button>
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</div>
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<div class="post-content">
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<span class="likes">0 likes</span>
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<p><span class="username">${post.username}</span> ${post.caption}</p>
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</div>
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<div class="comment-section">
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<div class="added-comments"></div>
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<div class="comment-input-wrapper">
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<input type="text" class="comment-input" placeholder="Add a comment...">
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<button class="post-btn">Post</button>
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</div>
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</div>
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`;
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if (prepend) feedContainer.insertBefore(article, feedContainer.firstChild);
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else feedContainer.appendChild(article);
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}
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// --- FEED LISTENERS ---
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if (feedView) {
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initFeed(); // Initial Load logic
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feedView.addEventListener('click', (e) => {
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const target = e.target;
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// 1. OPTIONS MENU
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const trigger = target.closest('.options-trigger');
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if (trigger) {
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const header = trigger.closest('.post-header');
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const menu = header.querySelector('.options-menu');
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if (menu) {
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document.querySelectorAll('.options-menu.active').forEach(m => {
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if (m !== menu) m.classList.remove('active');
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});
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menu.classList.toggle('active');
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e.stopPropagation();
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}
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return;
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}
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// 2. DELETE ACTION
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const deleteBtn = target.closest('.delete');
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if (deleteBtn) {
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const card = deleteBtn.closest('.post-card');
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const id = card.getAttribute('data-post-id');
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if (id && id.startsWith('post_')) { // Double check ownership
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if (confirm('Delete this post?')) {
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card.style.transition = 'opacity 0.3s, transform 0.3s';
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card.style.opacity = '0';
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card.style.transform = 'scale(0.9)';
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setTimeout(() => card.remove(), 300);
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let userPosts = JSON.parse(localStorage.getItem('socialAppUserPosts') || '[]');
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userPosts = userPosts.filter(p => p.id !== id);
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localStorage.setItem('socialAppUserPosts', JSON.stringify(userPosts));
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// Also ban ID to be safe
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const deletedPosts = JSON.parse(localStorage.getItem('socialAppDeletedPosts') || '[]');
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if (!deletedPosts.includes(id)) {
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deletedPosts.push(id);
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localStorage.setItem('socialAppDeletedPosts', JSON.stringify(deletedPosts));
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}
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}
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}
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return;
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}
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// 3. LIKE ACTION
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const likeBtn = target.closest('.heart-icon')?.closest('.icon-btn');
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if (likeBtn) {
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const icon = likeBtn.querySelector('.heart-icon');
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const postCard = likeBtn.closest('.post-card');
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const likesText = postCard.querySelector('.likes');
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const postId = postCard.getAttribute('data-post-id');
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icon.classList.toggle('liked');
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let count = parseInt(likesText.innerText);
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let isLiked = false;
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if (icon.classList.contains('liked')) {
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icon.style.fill = '#EF4444';
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icon.style.stroke = '#EF4444';
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count++;
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isLiked = true;
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} else {
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icon.style.fill = 'none';
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icon.style.stroke = 'white';
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count--;
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isLiked = false;
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}
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likesText.innerText = count + ' likes';
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if (postId) {
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const state = getPostState();
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if (!state[postId]) state[postId] = { comments: [] };
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state[postId].liked = isLiked;
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state[postId].likesCount = count;
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if (!state[postId].comments) state[postId].comments = [];
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savePostState(state);
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}
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return;
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}
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// 4. COMMENT TOGGLE
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const commentBtn = target.closest('.icon-btn');
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if (commentBtn && !commentBtn.querySelector('.heart-icon') && !commentBtn.closest('.post-actions').querySelector('.action-left').contains(commentBtn) === false) {
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// The comment button is the second one in action-left.
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// Easier check:
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const svgs = commentBtn.innerHTML;
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if (svgs.includes('M21 11.5')) {
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const postCard = commentBtn.closest('.post-card');
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const commentSection = postCard.querySelector('.comment-section');
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commentSection.classList.toggle('active');
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if (commentSection.classList.contains('active')) {
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commentSection.querySelector('input').focus();
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}
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return;
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}
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}
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// 5. POST COMMENT
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if (target.classList.contains('post-btn')) {
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const wrapper = target.closest('.comment-input-wrapper');
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const input = wrapper.querySelector('.comment-input');
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const text = input.value.trim();
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const postCard = wrapper.closest('.post-card');
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const postId = postCard.getAttribute('data-post-id');
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if (text) {
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addComment(wrapper.closest('.comment-section'), text);
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if (postId) {
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const state = getPostState();
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if (!state[postId]) state[postId] = { liked: false, likesCount: parseInt(postCard.querySelector('.likes').innerText) || 0, comments: [] };
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if (!state[postId].comments) state[postId].comments = [];
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state[postId].comments.push(text);
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savePostState(state);
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}
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input.value = '';
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}
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}
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});
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// Enter key for comments
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feedView.addEventListener('keydown', (e) => {
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if (e.key === 'Enter' && e.target.classList.contains('comment-input')) {
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const text = e.target.value.trim();
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const wrapper = e.target.closest('.comment-input-wrapper');
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const postCard = wrapper.closest('.post-card');
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const postId = postCard.getAttribute('data-post-id');
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if (text) {
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addComment(e.target.closest('.comment-section'), text);
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if (postId) {
|
|
const state = getPostState();
|
|
if (!state[postId]) state[postId] = { liked: false, likesCount: parseInt(postCard.querySelector('.likes').innerText) || 0, comments: [] };
|
|
if (!state[postId].comments) state[postId].comments = [];
|
|
state[postId].comments.push(text);
|
|
savePostState(state);
|
|
}
|
|
e.target.value = '';
|
|
}
|
|
}
|
|
});
|
|
|
|
// Close menus
|
|
document.addEventListener('click', (e) => {
|
|
if (!e.target.closest('.options-menu') && !e.target.closest('.options-trigger')) {
|
|
document.querySelectorAll('.options-menu.active').forEach(m => m.classList.remove('active'));
|
|
}
|
|
});
|
|
}
|
|
|
|
function addComment(section, text) {
|
|
const container = section.querySelector('.added-comments');
|
|
const commentEl = document.createElement('div');
|
|
commentEl.classList.add('comment-item');
|
|
commentEl.innerHTML = `<span class="comment-user">you</span> ${text}`;
|
|
container.appendChild(commentEl);
|
|
}
|
|
|
|
// --- CREATE POST LOGIC ---
|
|
// Navigation
|
|
if (navPostBtn) {
|
|
navPostBtn.addEventListener('click', () => {
|
|
if (feedView && createPostView) {
|
|
feedView.classList.add('hidden');
|
|
createPostView.classList.remove('hidden');
|
|
createPostView.classList.add('fade-in');
|
|
}
|
|
});
|
|
}
|
|
|
|
// Cancel
|
|
if (cancelPostBtn) {
|
|
cancelPostBtn.addEventListener('click', () => {
|
|
resetPostForm();
|
|
createPostView.classList.add('hidden');
|
|
feedView.classList.remove('hidden');
|
|
});
|
|
}
|
|
// Home Nav
|
|
if (navHomeBtn) {
|
|
navHomeBtn.addEventListener('click', () => {
|
|
if (createPostView && !createPostView.classList.contains('hidden')) {
|
|
resetPostForm();
|
|
createPostView.classList.add('hidden');
|
|
feedView.classList.remove('hidden');
|
|
}
|
|
});
|
|
}
|
|
|
|
// Upload
|
|
if (uploadTrigger && imageInput) {
|
|
uploadTrigger.addEventListener('click', () => imageInput.click());
|
|
imageInput.addEventListener('change', (e) => {
|
|
const file = e.target.files[0];
|
|
if (file) {
|
|
const reader = new FileReader();
|
|
reader.onload = (e) => {
|
|
imagePreview.src = e.target.result;
|
|
imagePreview.classList.remove('hidden');
|
|
document.querySelector('.upload-placeholder').classList.add('hidden');
|
|
};
|
|
reader.readAsDataURL(file);
|
|
}
|
|
});
|
|
}
|
|
|
|
// Share
|
|
if (sharePostBtn) {
|
|
sharePostBtn.addEventListener('click', () => {
|
|
if (!imagePreview.src || imagePreview.classList.contains('hidden')) {
|
|
alert('Please select an image first.');
|
|
return;
|
|
}
|
|
|
|
const caption = captionInput.value.trim();
|
|
const imageSrc = imagePreview.src;
|
|
const id = 'post_' + Date.now();
|
|
|
|
const newPost = {
|
|
id,
|
|
imageSrc,
|
|
caption,
|
|
timestamp: new Date().toISOString(),
|
|
username: 'you',
|
|
likes: 0
|
|
};
|
|
|
|
const userPosts = JSON.parse(localStorage.getItem('socialAppUserPosts') || '[]');
|
|
userPosts.unshift(newPost);
|
|
localStorage.setItem('socialAppUserPosts', JSON.stringify(userPosts));
|
|
|
|
renderPost(newPost, true);
|
|
resetPostForm();
|
|
createPostView.classList.add('hidden');
|
|
feedView.classList.remove('hidden');
|
|
|
|
// Note: Don't need full reload, but let's ensure state is clean
|
|
});
|
|
}
|
|
|
|
function resetPostForm() {
|
|
if (imageInput) imageInput.value = '';
|
|
if (captionInput) captionInput.value = '';
|
|
if (imagePreview) {
|
|
imagePreview.src = '';
|
|
imagePreview.classList.add('hidden');
|
|
}
|
|
const ph = document.querySelector('.upload-placeholder');
|
|
if (ph) ph.classList.remove('hidden');
|
|
}
|
|
});
|