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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; }
.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; }
@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 id="contentContainer">
{% if has_articles %}
{% for category, articles in categorized_articles.items() %}
<div class="category-section">
<div class="category-title" onclick="toggleCategory('{{ category }}')">{{ category }} <span class="loading-spinner" id="spinner-{{ category }}" style="display: none;"></span></div>
<div class="tiles" id="category-{{ category }}">
{% for article in articles %}
<div class="article-tile" data-published="{{ article.published }}" data-key="{{ article.title + '|' + article.link + '|' + article.published }}">
{% if article.image != "svg" %}
<img src="{{ article.image }}" alt="Article Image" onerror="this.style.display='none';">
{% else %}
<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>
{% endif %}
<div class="title"><a href="{{ article.link }}" target="_blank">{{ article.title }}</a></div>
<div class="description">{{ article.description | safe }}</div>
<div class="published">Published: {{ article.published }}</div>
</div>
{% endfor %}
</div>
<div class="tiles" id="all-{{ category }}" style="display: none;"></div>
</div>
{% endfor %}
{% else %}
{% if not loading %}
<div class="no-articles">No articles available yet. Loading new feeds...</div>
{% endif %}
{% endif %}
</div>
<script>
let lastUpdate = 0;
let expandedCategories = new Set();
document.addEventListener('DOMContentLoaded', () => {
const storedExpanded = sessionStorage.getItem('expandedCategories');
if (storedExpanded) {
expandedCategories = new Set(JSON.parse(storedExpanded));
expandedCategories.forEach(category => {
const allTilesDiv = document.getElementById(`all-${category}`);
if (allTilesDiv) allTilesDiv.style.display = 'grid';
});
}
if (document.getElementById('loadingContainer')) {
checkLoadingStatus();
}
document.getElementById('searchForm').addEventListener('submit', handleSearch);
document.getElementById('backButton').addEventListener('click', () => {
window.location.href = '/';
});
});
function getArticleKey(article) {
return `${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: ${article.published}</div>
</div>`;
}
function renderArticles(container, articles) {
container.innerHTML = articles.map(createArticleTileHTML).join('');
}
function toggleCategory(category) {
const spinner = document.getElementById(`spinner-${category}`);
const tilesDiv = document.getElementById(`category-${category}`);
const allTilesDiv = document.getElementById(`all-${category}`);
if (expandedCategories.has(category)) {
allTilesDiv.style.display = 'none';
expandedCategories.delete(category);
} else {
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) {
renderArticles(allTilesDiv, data.articles);
allTilesDiv.style.display = 'grid';
expandedCategories.add(category);
} else {
alert(`No additional articles found for ${category}.`);
}
})
.catch(error => {
spinner.style.display = 'none';
console.error(`Error loading all articles for ${category}:`, error);
});
}
sessionStorage.setItem('expandedCategories', JSON.stringify([...expandedCategories]));
}
function handleSearch(event) {
event.preventDefault();
const form = event.target;
const backButton = document.getElementById('backButton');
const contentContainer = document.getElementById('contentContainer');
const loadingContainer = document.getElementById('loadingContainer');
if(loadingContainer) loadingContainer.style.display = 'block';
contentContainer.innerHTML = '';
fetch('/search', { method: 'POST', body: new FormData(form) })
.then(response => response.json())
.then(data => {
if(loadingContainer) loadingContainer.style.display = 'none';
if (data.has_articles) {
backButton.style.display = 'block';
let categoriesHtml = '';
const sortedCategories = Object.keys(data.categorized_articles).sort();
for(const category of sortedCategories) {
const articles = data.categorized_articles[category];
categoriesHtml += `
<div class="category-section">
<div class="category-title">${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) {
// For simplicity, a full refresh is the most reliable way to update
// without complex DOM manipulation and state management.
if (!document.querySelector('.search-bar').value) { // Only refresh if not in search view
console.log("New content available. Refreshing page.");
window.location.reload();
}
}
})
.catch(error => console.error('Error checking for updates:', error))
.finally(() => setTimeout(updateArticles, 60000)); // Poll every 60 seconds
}
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';
// Start polling for updates only after initial load is complete
setTimeout(updateArticles, 5000);
} else {
setTimeout(checkLoadingStatus, 2000);
}
})
.catch(error => {
console.error('Error checking loading status:', error);
setTimeout(checkLoadingStatus, 5000);
});
}
</script>
</body>
</html> |