from flask import Flask, render_template_string, request, jsonify
from datetime import datetime
app = Flask(__name__)
# Initialize an empty list to store orders
orders = []
user_preferences = {"diet": "all"} # Default to all
# HTML code for the frontend
html_code = """
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>AI Dining Assistant</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f4f4f9;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
height: 100vh;
margin: 0;
}
h1 {
color: #333;
}
.mic-button {
width: 80px;
height: 80px;
border-radius: 50%;
background-color: #007bff;
color: white;
font-size: 24px;
border: none;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
transition: background-color 0.3s;
}
.mic-button:hover {
background-color: #0056b3;
}
.status {
margin-top: 20px;
font-size: 18px;
color: #666;
}
.listening {
color: green;
font-weight: bold;
}
.response {
margin-top: 20px;
padding: 10px;
background-color: #fff;
border: 1px solid #ddd;
border-radius: 5px;
box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
width: 300px;
text-align: center;
}
</style>
</head>
<body>
<h1>AI Dining Assistant</h1>
<button class="mic-button" id="mic-button">🎤</button>
<div class="status" id="status">Press the mic button to start listening...</div>
<div class="response" id="response" style="display: none;">Response will appear here...</div>
<script>
const micButton = document.getElementById('mic-button');
const status = document.getElementById('status');
const response = document.getElementById('response');
if (!window.MediaRecorder) {
alert("Your browser does not support audio recording.");
}
let mediaRecorder;
let audioChunks = [];
micButton.addEventListener('click', async () => {
navigator.mediaDevices.getUserMedia({ audio: true })
.then(stream => {
mediaRecorder = new MediaRecorder(stream);
mediaRecorder.start();
status.textContent = 'Listening...';
status.classList.add('listening');
mediaRecorder.ondataavailable = event => {
audioChunks.push(event.data);
};
mediaRecorder.onstop = async () => {
const audioBlob = new Blob(audioChunks, { type: 'audio/wav' });
const formData = new FormData();
formData.append('audio', audioBlob);
status.textContent = 'Processing...';
status.classList.remove('listening');
try {
const result = await fetch('/process-audio', {
method: 'POST',
body: formData,
});
const data = await result.json();
response.textContent = data.response;
response.style.display = 'block';
status.textContent = 'Press the mic button to start listening...';
// Use browser text-to-speech
const utterance = new SpeechSynthesisUtterance(data.response);
speechSynthesis.speak(utterance);
} catch (error) {
response.textContent = 'Error occurred. Please try again.';
response.style.display = 'block';
status.textContent = 'Press the mic button to start listening...';
}
};
setTimeout(() => {
mediaRecorder.stop();
}, 5000); // Stop recording after 5 seconds
})
.catch(err => {
status.textContent = 'Microphone access denied.';
});
});
</script>
</body>
</html>
"""
@app.route('/')
def index():
return render_template_string(html_code)
@app.route('/process-audio', methods=['POST'])
def process_audio():
try:
audio_file = request.files['audio']
recognizer = sr.Recognizer()
with sr.AudioFile(audio_file) as source:
audio_data = recognizer.record(source)
command = recognizer.recognize_google(audio_data)
response = process_command(command)
return jsonify({"response": response})
except Exception as e:
return jsonify({"response": f"An error occurred: {str(e)}"})
def process_command(command):
"""Process the user's voice command and return a response."""
global orders
command = command.lower()
if "menu" in command:
return "Our menu includes paneer butter masala, fried rice, and cold coffee."
elif "order" in command:
return "Your order has been placed."
return "Sorry, I didn't understand your request."
if __name__ == "__main__":
app.run(debug=True, port=5000)