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from flask import Flask, render_template_string, request, jsonify |
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from datetime import datetime |
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import speech_recognition as sr |
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app = Flask(__name__) |
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orders = [] |
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user_preferences = {"diet": "all"} |
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html_code = """ |
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<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="UTF-8"> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0"> |
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<title>AI Dining Assistant</title> |
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<style> |
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body { |
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font-family: Arial, sans-serif; |
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background-color: #f4f4f9; |
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display: flex; |
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flex-direction: column; |
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align-items: center; |
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justify-content: center; |
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height: 100vh; |
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margin: 0; |
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} |
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h1 { |
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color: #333; |
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} |
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.mic-button { |
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width: 80px; |
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height: 80px; |
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border-radius: 50%; |
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background-color: #007bff; |
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color: white; |
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font-size: 24px; |
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border: none; |
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display: flex; |
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align-items: center; |
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justify-content: center; |
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cursor: pointer; |
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box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1); |
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transition: background-color 0.3s; |
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} |
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.mic-button:hover { |
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background-color: #0056b3; |
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} |
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.status { |
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margin-top: 20px; |
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font-size: 18px; |
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color: #666; |
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} |
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.listening { |
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color: green; |
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font-weight: bold; |
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} |
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.response { |
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margin-top: 20px; |
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padding: 10px; |
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background-color: #fff; |
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border: 1px solid #ddd; |
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border-radius: 5px; |
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box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1); |
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width: 300px; |
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text-align: center; |
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} |
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</style> |
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</head> |
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<body> |
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<h1>AI Dining Assistant</h1> |
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<button class="mic-button" id="mic-button">🎤</button> |
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<div class="status" id="status">Press the mic button to start listening...</div> |
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<div class="response" id="response" style="display: none;">Response will appear here...</div> |
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<script> |
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const micButton = document.getElementById('mic-button'); |
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const status = document.getElementById('status'); |
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const response = document.getElementById('response'); |
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if (!window.MediaRecorder) { |
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alert("Your browser does not support audio recording."); |
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} |
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let mediaRecorder; |
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let audioChunks = []; |
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micButton.addEventListener('click', async () => { |
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navigator.mediaDevices.getUserMedia({ audio: true }) |
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.then(stream => { |
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mediaRecorder = new MediaRecorder(stream); |
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mediaRecorder.start(); |
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status.textContent = 'Listening...'; |
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status.classList.add('listening'); |
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mediaRecorder.ondataavailable = event => { |
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audioChunks.push(event.data); |
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}; |
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mediaRecorder.onstop = async () => { |
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const audioBlob = new Blob(audioChunks, { type: 'audio/wav' }); |
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const formData = new FormData(); |
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formData.append('audio', audioBlob); |
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status.textContent = 'Processing...'; |
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status.classList.remove('listening'); |
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try { |
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const result = await fetch('/process-audio', { |
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method: 'POST', |
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body: formData, |
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}); |
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const data = await result.json(); |
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response.textContent = data.response; |
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response.style.display = 'block'; |
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status.textContent = 'Press the mic button to start listening...'; |
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// Use browser text-to-speech |
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const utterance = new SpeechSynthesisUtterance(data.response); |
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speechSynthesis.speak(utterance); |
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} catch (error) { |
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response.textContent = 'Error occurred. Please try again.'; |
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response.style.display = 'block'; |
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status.textContent = 'Press the mic button to start listening...'; |
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} |
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}; |
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setTimeout(() => { |
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mediaRecorder.stop(); |
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}, 5000); // Stop recording after 5 seconds |
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}) |
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.catch(err => { |
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status.textContent = 'Microphone access denied.'; |
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}); |
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}); |
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</script> |
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</body> |
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</html> |
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""" |
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@app.route('/') |
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def index(): |
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return render_template_string(html_code) |
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@app.route('/process-audio', methods=['POST']) |
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def process_audio(): |
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try: |
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audio_file = request.files['audio'] |
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recognizer = sr.Recognizer() |
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with sr.AudioFile(audio_file) as source: |
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audio_data = recognizer.record(source) |
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command = recognizer.recognize_google(audio_data) |
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response = process_command(command) |
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return jsonify({"response": response}) |
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except Exception as e: |
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return jsonify({"response": f"An error occurred: {str(e)}"}) |
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def process_command(command): |
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"""Process the user's voice command and return a response.""" |
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global orders |
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command = command.lower() |
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if "menu" in command: |
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return "Our menu includes paneer butter masala, fried rice, and cold coffee." |
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elif "order" in command: |
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return "Your order has been placed." |
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return "Sorry, I didn't understand your request." |
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if __name__ == "__main__": |
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app.run(host="0.0.0.0", port=7860) |
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