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<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> |