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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>News Feed Hub</title>
<style>
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; margin: 20px; background-color: #f5f5f5; color: #333; }
h1 { text-align: center; color: #2c3e50; }
.container { display: flex; }
.sidebar { width: 200px; background-color: #2c3e50; color: white; padding: 15px; border-radius: 5px; min-height: calc(100vh - 100px); }
.sidebar h3 { margin: 0 0 15px; font-size: 1.2em; }
.sidebar ul { list-style: none; padding: 0; }
.sidebar li { padding: 10px; cursor: pointer; border-radius: 5px; margin-bottom: 5px; }
.sidebar li:hover { background-color: #34495e; }
.sidebar li.active { background-color: #3498db; }
.content { flex-grow: 1; padding-left: 20px; }
.search-container { text-align: center; margin: 20px 0; }
.search-bar { width: 50%; padding: 10px; border: 2px solid #3498db; border-radius: 25px; margin-right: 10px; font-size: 1em; }
.search-button { padding: 10px 20px; border: none; border-radius: 25px; background-color: #3498db; color: white; cursor: pointer; font-size: 1em; }
.search-button:hover { background-color: #2980b9; }
.category-section { margin: 20px 0; }
.category-title { background-color: #3498db; color: white; padding: 10px; border-radius: 5px; cursor: pointer; user-select: none; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; margin-top: 15px; }
.article-tile {
background: white;
height: 380px;
padding: 15px;
border-radius: 8px;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
display: flex;
flex-direction: column;
overflow: hidden;
}
.article-tile img, .article-tile svg {
width: 100%;
height: 150px;
object-fit: cover;
border-radius: 5px;
flex-shrink: 0;
}
.title { margin-top: 10px; }
.title a { font-size: 1.2em; color: #2c3e50; text-decoration: none; font-weight: 600; }
.title a:hover { color: #3498db; }
.description {
color: #555;
font-size: 0.9em;
flex-grow: 1;
overflow-y: auto;
margin-top: 8px;
word-wrap: break-word;
}
.description p { margin: 0 0 0.5em 0; }
.description a { color: #3498db; }
.published { font-size: 0.8em; color: #95a5a6; margin-top: 8px; flex-shrink: 0; }
.no-articles { text-align: center; color: #2c3e50; margin-top: 20px; }
.loading-container { text-align: center; margin: 10px 0; }
.loading-spinner { display: inline-block; vertical-align: middle; border: 4px solid #f3f3f3; border-top: 4px solid #3498db; border-radius: 50%; width: 20px; height: 20px; animation: spin 1s linear infinite; }
.pagination { text-align: center; margin: 20px 0; }
.pagination button { padding: 8px 12px; margin: 0 5px; border: none; border-radius: 5px; background-color: #3498db; color: white; cursor: pointer; }
.pagination button:disabled { background-color: #95a5a6; cursor: not-allowed; }
.pagination span { margin: 0 10px; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
</style>
</head>
<body>
<h1>News Feed Hub</h1>
<div class="search-container">
<form method="POST" action="/search" id="searchForm">
<input type="text" name="search" class="search-bar" placeholder="Search semantically...">
<button type="submit" class="search-button">Search</button>
</form>
<button id="backButton" style="display: none; margin-top: 10px;" class="search-button">Back to Main</button>
</div>
{% if loading %}
<div class="loading-container" id="loadingContainer">
<div class="loading-spinner"></div>
</div>
{% endif %}
<div class="container">
<div class="sidebar">
<h3>Categories</h3>
<ul>
{% for category in categories %}
<li onclick="showCategory('{{ category }}')" id="sidebar-{{ category }}">{{ category }}</li>
{% endfor %}
</ul>
</div>
<div class="content">
<div id="contentContainer">
{% if has_articles %}
{% for category, articles in categorized_articles.items() %}
<div class="category-section" id="section-{{ category }}" style="display: none;">
<div class="category-title">{{ category }} <span class="loading-spinner" id="spinner-{{ category }}" style="display: none;"></span></div>
<div class="tiles" id="category-{{ category }}"></div>
<div class="pagination" id="pagination-{{ category }}">
<button onclick="changePage('{{ category }}', -1)">Previous</button>
<span id="page-info-{{ category }}">Page 1</span>
<button onclick="changePage('{{ category }}', 1)">Next</button>
</div>
</div>
{% endfor %}
{% else %}
{% if not loading %}
<div class="no-articles">No articles available yet. Loading new feeds...</div>
{% endif %}
{% endif %}
</div>
</div>
</div>
<script>
let lastUpdate = 0;
let currentCategory = null;
let currentPages = {};
let articlesPerPage = 9;
let allArticles = {};
document.addEventListener('DOMContentLoaded', () => {
const storedCategory = sessionStorage.getItem('currentCategory');
if (storedCategory) {
showCategory(storedCategory);
} else if (document.querySelector('.sidebar li')) {
showCategory(document.querySelector('.sidebar li').textContent);
}
if (document.getElementById('loadingContainer')) {
checkLoadingStatus();
}
document.getElementById('searchForm').addEventListener('submit', handleSearch);
document.getElementById('backButton').addEventListener('click', () => {
window.location.href = '/';
});
});
function getArticleKey(article) {
return `${article.title}|${article.link}|${article.published}`;
}
function createArticleTileHTML(article) {
const key = getArticleKey(article);
const imageHTML = article.image !== "svg"
? `<img src="${article.image}" alt="Article Image" onerror="this.style.display='none';">`
: `<svg width="100%" height="150" xmlns="http://www.w3.org/2000/svg">
<rect width="100%" height="100%" fill="#e0e0e0"/>
<text x="50%" y="50%" text-anchor="middle" dy=".3em" fill="#666">No Image</text>
</svg>`;
return `
<div class="article-tile" data-published="${article.published}" data-key="${key}">
${imageHTML}
<div class="title"><a href="${article.link}" target="_blank">${article.title}</a></div>
<div class="description">${article.description}</div>
<div class="published">Published: ${article.published}</div>
</div>`;
}
function renderArticles(container, articles, category, page) {
const start = (page - 1) * articlesPerPage;
const end = start + articlesPerPage;
const paginatedArticles = articles.slice(start, end);
container.innerHTML = paginatedArticles.map(createArticleTileHTML).join('');
updatePagination(category, page, articles.length);
}
function updatePagination(category, page, totalArticles) {
const totalPages = Math.ceil(totalArticles / articlesPerPage);
const pageInfo = document.getElementById(`page-info-${category}`);
const prevButton = document.getElementById(`pagination-${category}`).querySelector('button:first-child');
const nextButton = document.getElementById(`pagination-${category}`).querySelector('button:last-child');
pageInfo.textContent = `Page ${page} of ${totalPages}`;
prevButton.disabled = page === 1;
nextButton.disabled = page === totalPages;
}
function showCategory(category) {
if (currentCategory === category) return;
currentCategory = category;
sessionStorage.setItem('currentCategory', category);
// Update sidebar active state
document.querySelectorAll('.sidebar li').forEach(li => {
li.classList.remove('active');
if (li.textContent === category) li.classList.add('active');
});
// Hide all category sections
document.querySelectorAll('.category-section').forEach(section => {
section.style.display = 'none';
});
// Show selected category section
const section = document.getElementById(`section-${category}`);
section.style.display = 'block';
const spinner = document.getElementById(`spinner-${category}`);
const tilesDiv = document.getElementById(`category-${category}`);
// Initialize page if not set
if (!currentPages[category]) {
currentPages[category] = 1;
}
// Fetch articles if not already cached
if (!allArticles[category]) {
spinner.style.display = 'inline-block';
fetch(`/get_all_articles/${category}`)
.then(response => response.json())
.then(data => {
spinner.style.display = 'none';
if (data.articles && data.articles.length > 0) {
allArticles[category] = data.articles;
renderArticles(tilesDiv, data.articles, category, currentPages[category]);
} else {
tilesDiv.innerHTML = `<div class="no-articles">No articles found for ${category}.</div>`;
}
})
.catch(error => {
spinner.style.display = 'none';
console.error(`Error loading articles for ${category}:`, error);
tilesDiv.innerHTML = `<div class="no-articles">Failed to load articles for ${category}.</div>`;
});
} else {
renderArticles(tilesDiv, allArticles[category], category, currentPages[category]);
}
}
function changePage(category, delta) {
const totalPages = Math.ceil((allArticles[category] || []).length / articlesPerPage);
currentPages[category] = Math.max(1, Math.min(currentPages[category] + delta, totalPages));
renderArticles(document.getElementById(`category-${category}`), allArticles[category], category, currentPages[category]);
}
function handleSearch(event) {
event.preventDefault();
const form = event.target;
const backButton = document.getElementById('backButton');
const contentContainer = document.getElementById('contentContainer');
const loadingContainer = document.getElementById('loadingContainer');
if (loadingContainer) loadingContainer.style.display = 'block';
contentContainer.innerHTML = '';
fetch('/search', { method: 'POST', body: new FormData(form) })
.then(response => response.json())
.then(data => {
if (loadingContainer) loadingContainer.style.display = 'none';
if (data.has_articles) {
backButton.style.display = 'block';
let categoriesHtml = '';
const sortedCategories = Object.keys(data.categorized_articles).sort();
for (const category of sortedCategories) {
const articles = data.categorized_articles[category];
categoriesHtml += `
<div class="category-section">
<div class="category-title">${category} (${articles.length})</div>
<div class="tiles">
${articles.map(createArticleTileHTML).join('')}
</div>
</div>`;
}
contentContainer.innerHTML = categoriesHtml;
} else {
contentContainer.innerHTML = `<div class="no-articles">No results found.</div>`;
}
})
.catch(error => {
if (loadingContainer) loadingContainer.style.display = 'none';
console.error('Error performing search:', error);
contentContainer.innerHTML = `<div class="no-articles">Failed to perform search. Please try again.</div>`;
});
}
function updateArticles() {
fetch('/get_updates')
.then(response => response.json())
.then(data => {
if (data.has_updates) {
if (!document.querySelector('.search-bar').value && currentCategory) {
console.log("New content available. Refreshing current category.");
allArticles[currentCategory] = null; // Clear cache
showCategory(currentCategory); // Reload current category
}
}
})
.catch(error => console.error('Error checking for updates:', error))
.finally(() => setTimeout(updateArticles, 60000));
}
function checkLoadingStatus() {
fetch('/check_loading')
.then(response => response.json())
.then(data => {
if (data.status === 'complete') {
const loadingContainer = document.getElementById('loadingContainer');
if (loadingContainer) loadingContainer.style.display = 'none';
setTimeout(updateArticles, 5000);
} else {
setTimeout(checkLoadingStatus, 2000);
}
})
.catch(error => {
console.error('Error checking loading status:', error);
setTimeout(checkLoadingStatus, 5000);
});
}
</script>
</body>
</html> |