Update app.py

app.py

@@ -14,6 +14,7 @@ logging.basicConfig(level=logging.INFO)
 cart = []  # Stores items as [item_name, price, quantity] in the cart
 menu_preferences = None  # Tracks the current menu preference
 section_preferences = None  # Tracks the current section preference
+default_menu_preferences = "all"  # To reset menu preferences
 default_sections = {
     "biryanis": ["veg biryani", "paneer biryani", "chicken biryani", "mutton biryani"],
     "starters": ["samosa", "onion pakoda", "chilli gobi", "chicken manchurian", "veg manchurian"],
@@ -40,6 +41,15 @@ prices = {
     "cola": 5,
     "lemon soda": 6
 }
+menus = {
+    "all": list(prices.keys()),
+    "vegetarian": [
+        "samosa", "onion pakoda", "chilli gobi", "veg biryani", "paneer butter", "veg manchurian", "paneer biryani", "gulab jamun", "ice cream", "cola", "lemon soda"
+    ],
+    "non-vegetarian": [
+        "chicken biryani", "mutton biryani", "fish curry", "chicken manchurian", "chilli chicken", "chicken curry", "gulab jamun", "ice cream", "cola", "lemon soda"
+    ]
+}
 
 @app.route("/")
 def index():
@@ -79,7 +89,7 @@ def process_audio():
             recognizer.adjust_for_ambient_noise(source, duration=1)
             audio_data = recognizer.record(source)
 
-        # Try using the Google API for speech recognition
+        # Use multiple recognition services with fallbacks
         try:
             raw_command = recognizer.recognize_google(audio_data).lower()
         except sr.UnknownValueError:
@@ -124,15 +134,47 @@ def process_command(command):
 
         return f"Your order has been placed successfully:\n{order_summary}\nTotal: {total_price} INR.\nThank you for ordering!"
 
-    # Ask for section preference when first started
+    # Greet the user and ask for preferences when first started
+    if menu_preferences is None:
+        if "hello" in command or "hi" in command:
+            return "Hello, welcome to Biryani Hub! Please choose your preference: All, Vegetarian, or Non-Vegetarian."
+
+        preferences = ["non-vegetarian", "vegetarian", "all"]
+        if command in preferences:
+            menu_preferences = command
+            return f"You've selected the {command} menu! Which section would you like to browse next? (e.g., biryanis, starters, curries, desserts, soft drinks)"
+
+        # Use fuzzy matching to help recognize similar inputs
+        closest_match = process.extractOne(command, preferences, scorer=fuzz.partial_ratio)
+        if closest_match and closest_match[1] > 75:
+            menu_preferences = closest_match[0]
+            return f"Great choice! You've chosen the {menu_preferences} menu. Which section would you like to browse next?"
+
+        return "I couldn't recognize your choice. Please say either 'Non-Vegetarian', 'Vegetarian', or 'All'."
+
     if section_preferences is None:
         sections = list(default_sections.keys())
-        sections_text = ', '.join(sections)  # List sections in a text format
-        section_preferences = sections[0]  # Default section, e.g. "biryanis"
-        return f"Please choose a section: {sections_text}. If you'd like to choose one, please say its name."
+        for section in sections:
+            if section in command:
+                section_preferences = section
+                return f"Here are the items in the {section_preferences} section: {', '.join(default_sections[section_preferences])}. Please choose an item."
+
+        closest_match = process.extractOne(command, sections, scorer=fuzz.partial_ratio)
+        if closest_match and closest_match[1] > 75:
+            section_preferences = closest_match[0]
+            return f"Here are the items in the {section_preferences} section: {', '.join(default_sections[section_preferences])}. What would you like to add?"
+
+        return "I didn't catch that. Please say a section like 'biryanis', 'starters', 'curries', 'desserts', or 'soft drinks'."
+
+    # Filter items based on the menu preference (vegetarian/non-vegetarian)
+    available_items = []
+    if menu_preferences == "vegetarian":
+        available_items = [item for item in default_sections[section_preferences] if item in menus["vegetarian"]]
+    elif menu_preferences == "non-vegetarian":
+        available_items = [item for item in default_sections[section_preferences] if item in menus["non-vegetarian"]]
+    elif menu_preferences == "all":
+        available_items = [item for item in default_sections[section_preferences]]
 
-    # Item addition logic after section is selected
-    available_items = default_sections[section_preferences]
     for item in available_items:
         if item in command:
             quantity = extract_quantity(command)
@@ -140,7 +182,7 @@ def process_command(command):
                 cart.append([item, prices[item], quantity])
                 return f"Added {quantity} x {item} to your cart. Your current cart: {', '.join([f'{i[0]} x{i[2]}' for i in cart])}. Would you like to add more items?"
 
-    return f"I didn't recognize the item you mentioned. Please say the item name clearly, or choose from the available items in the {section_preferences} section."
+    return "I didn't recognize the item you mentioned. Please say the item name clearly, or choose from the available items."
 
 def extract_quantity(command):
     """
@@ -226,7 +268,7 @@ html_code = """
             }
         });
         function startConversation() {
-            const utterance = new SpeechSynthesisUtterance('Hello, welcome to Biryani Hub! Please choose a section: biryanis, starters, curries, desserts, or soft drinks.');
+            const utterance = new SpeechSynthesisUtterance('Hello, welcome to Biryani Hub! Please choose your preference: All, Vegetarian, or Non-Vegetarian.');
             speechSynthesis.speak(utterance);
             utterance.onend = () => {
                 status.textContent = 'Listening...';
@@ -253,10 +295,15 @@ html_code = """
                         speechSynthesis.speak(utterance);
                         utterance.onend = () => {
                             console.log("Speech synthesis completed.");
-                            status.textContent = 'Listening...';
-                            setTimeout(() => {
-                                startListening();
-                            }, 100);
+                            if (data.response.includes("final order") || data.response.includes("Thank you for ordering")) {
+                                status.textContent = 'Order completed. Press the mic button to start again.';
+                                isConversationActive = false;
+                            } else {
+                                status.textContent = 'Listening...';
+                                setTimeout(() => {
+                                    startListening();
+                                }, 100);
+                            }
                         };
                         utterance.onerror = (e) => {
                             console.error("Speech synthesis error:", e.error);
@@ -282,4 +329,5 @@ html_code = """
 """
 
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=7860)
+    app.run(host="0.0.0.0", port=7860) 
+