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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>RAG Application</title>
<style>
body {
font-family: Arial, sans-serif;
max-width: 800px;
margin: 0 auto;
padding: 20px;
}
.container {
display: flex;
flex-direction: column;
gap: 20px;
}
.query-section {
display: none;
}
.response-section {
margin-top: 20px;
border-top: 1px solid #ccc;
padding-top: 20px;
}
textarea {
width: 100%;
height: 100px;
}
button {
padding: 10px 20px;
background-color: #007bff;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
}
button:disabled {
background-color: #ccc;
}
.context {
background-color: #f8f9fa;
padding: 10px;
margin-top: 10px;
border-radius: 4px;
}
.loading {
opacity: 0.5;
pointer-events: none;
}
.spinner {
display: none;
margin-left: 10px;
color: #007bff;
}
.loading .spinner {
display: inline;
}
/* Radio toggle styles */
.toggle-radio {
display: none; /* Initially hidden */
align-items: center;
gap: 10px;
margin: 10px 0;
}
.toggle-radio input[type="radio"] {
margin-right: 5px;
}
.toggle-radio label {
display: flex;
align-items: center;
margin-right: 15px;
color: #666;
cursor: pointer;
}
#contextSection {
display: none; /* Initially hidden */
}
/* Initially hide these sections */
.query-section,
.response-section,
.toggle-radio,
#contextSection {
display: none;
}
</style>
</head>
<body>
<div class="container">
<h1>RAG Application</h1>
<div class="upload-section">
<h2>Upload Document</h2>
<input type="file" id="fileInput" accept=".txt,.pdf">
<button id="uploadButton" onclick="uploadFile()">Upload</button>
<span id="uploadSpinner" class="spinner">Processing...</span>
</div>
<div id="querySection" class="query-section">
<h2>Ask a Question</h2>
<textarea id="queryInput" placeholder="Enter your question here..."></textarea>
<button id="queryButton" onclick="submitQuery()">Submit Query</button>
<span id="querySpinner" class="spinner">Processing...</span>
</div>
<div id="responseSection" class="response-section">
<h2>Response</h2>
<div id="answer"></div>
<!-- Add radio toggle -->
<div class="toggle-radio">
<span>Context: </span>
<label>
<input type="radio" name="contextToggle" value="show" onchange="toggleContext(this)"> Show
</label>
<label>
<input type="radio" name="contextToggle" value="hide" onchange="toggleContext(this)" checked> Hide
</label>
</div>
<div id="contextSection">
<h3>Context</h3>
<div id="context"></div>
</div>
</div>
</div>
<script>
let currentSessionId = null;
function setLoading(isLoading, action) {
const button = document.getElementById(action === 'upload' ? 'uploadButton' : 'queryButton');
const spinner = document.getElementById(action === 'upload' ? 'uploadSpinner' : 'querySpinner');
if (isLoading) {
button.classList.add('loading');
spinner.style.display = 'inline';
button.disabled = true;
} else {
button.classList.remove('loading');
spinner.style.display = 'none';
button.disabled = false;
}
}
async function uploadFile() {
const fileInput = document.getElementById('fileInput');
const file = fileInput.files[0];
if (!file) {
alert('Please select a file first');
return;
}
setLoading(true, 'upload');
// Hide all sections during upload and processing
document.getElementById('querySection').style.display = 'none';
document.getElementById('responseSection').style.display = 'none';
document.getElementById('contextSection').style.display = 'none';
document.querySelector('.toggle-radio').style.display = 'none';
// Clear any previous content
document.getElementById('answer').innerHTML = '';
document.getElementById('context').innerHTML = '';
document.getElementById('queryInput').value = '';
const formData = new FormData();
formData.append('file', file);
try {
const response = await fetch('/upload', {
method: 'POST',
body: formData
});
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
currentSessionId = data.session_id;
// Only show query section after successful upload
document.getElementById('querySection').style.display = 'block';
alert('File uploaded successfully! You can now ask questions.');
} catch (error) {
console.error('Error:', error);
alert('Error uploading file: ' + error.message);
} finally {
setLoading(false, 'upload');
}
}
function toggleContext(radio) {
const contextSection = document.getElementById('contextSection');
contextSection.style.display = radio.value === 'show' ? 'block' : 'none';
}
async function submitQuery() {
if (!currentSessionId) {
alert('Please upload a document first');
return;
}
const queryInput = document.getElementById('queryInput');
const query = queryInput.value.trim();
if (!query) {
alert('Please enter a query');
return;
}
setLoading(true, 'query');
// Show response section but hide context initially
document.getElementById('responseSection').style.display = 'block';
document.getElementById('contextSection').style.display = 'none';
document.querySelector('.toggle-radio').style.display = 'none';
// Reset radio to "Hide"
document.querySelector('input[value="hide"]').checked = true;
try {
const response = await fetch('/query', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
session_id: currentSessionId,
query: query
})
});
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const data = await response.json();
// Display response
document.getElementById('answer').innerHTML = `<p><strong>Answer:</strong> ${data.answer}</p>`;
// Handle context display with error checking
if (data.context && Array.isArray(data.context)) {
const validContexts = data.context.filter(c => c != null && c !== '');
const contextHtml = validContexts.length > 0
? validContexts.join('<br><br>')
: 'No context available';
document.getElementById('context').innerHTML = `<div class="context">${contextHtml}</div>`;
// Show the radio toggle only after we have a valid response with context
document.querySelector('.toggle-radio').style.display = 'flex';
} else {
document.getElementById('context').innerHTML = `<div class="context">No context available</div>`;
}
} catch (error) {
console.error('Error:', error);
alert('Error submitting query: ' + error.message);
} finally {
setLoading(false, 'query');
}
}
</script>
</body>
</html> |