Update app.py

app.py

@@ -10,11 +10,9 @@ import logging
 
 app = Flask(__name__, static_folder=".", static_url_path="")
 CORS(app)
-
-# Setup logging
 logging.basicConfig(level=logging.INFO)
 
-# Load models
+# === Load models ===
 try:
     rf = joblib.load("rf_model.pkl")
     xgb_model = xgb.Booster()
@@ -24,19 +22,23 @@ except Exception as e:
     app.logger.error(f"❌ Error loading models: {e}")
     raise e
 
-# Load tile data
+# === Load data ===
 with open("tile_catalog.json", "r", encoding="utf-8") as f:
     tile_catalog = json.load(f)
 
 with open("tile_sizes.json", "r", encoding="utf-8") as f:
     tile_sizes = json.load(f)
 
-# Serve the frontend HTML
+# === Serve Frontend ===
 @app.route('/')
 def serve_index():
     return send_from_directory('.', 'index.html')
 
-# === Product Recommendation Endpoint ===
+@app.route('/<path:path>')
+def serve_static(path):
+    return send_from_directory('.', path)
+
+# === Recommend Endpoint ===
 @app.route('/recommend', methods=['POST'])
 def recommend():
     try:
@@ -82,7 +84,7 @@ def recommend():
         app.logger.error(f"Error in /recommend: {str(e)}")
         return jsonify({"error": "Internal server error"}), 500
 
-# === Tile Quantity Calculation Endpoint ===
+# === Calculate Endpoint ===
 @app.route('/calculate', methods=['POST'])
 def calculate():
     try:
@@ -100,10 +102,8 @@ def calculate():
         validate_positive_number(data['area'], "area")
 
         tile_info = tile_sizes[data['tile_size']]
-        area_per_tile_mm = tile_info['length'] * tile_info['width']
-        area_per_tile_ft2 = area_per_tile_mm / 92903.04  # Convert mm² to ft²
-
-        tiles_needed = math.ceil((data['area'] / area_per_tile_ft2) * 1.1)
+        area_per_tile = tile_info['length'] * tile_info['width']
+        tiles_needed = math.ceil((data['area'] / area_per_tile) * 1.1)
         tiles_per_box = tile_info.get('tiles_per_box', 10)
         boxes_needed = math.ceil(tiles_needed / tiles_per_box)
 
@@ -126,7 +126,7 @@ def calculate():
         app.logger.error(f"Error in /calculate: {str(e)}")
         return jsonify({"error": "Internal server error"}), 500
 
-# === Utility Functions ===
+# === Utils ===
 
 def prepare_features(data):
     tile_type_num = 0 if data['tile_type'] == 'floor' else 1