Update app.py

app.py

@@ -981,13 +981,31 @@ if __name__ == "__main__":
 
 @app.route('/calculation', methods=['POST'])
 def handle_calculation():
-    data = request.json
-    calculator = NutrientCalculator(
-        fertilizer_constants=data['fertilizerConstants'],
-        profile_settings=data['profileSettings']
-    )
-    calculator.calculate()
-    return jsonify(calculator.get_web_results())
+    try:
+        data = request.json
+        
+        # Создаем калькулятор с базовыми настройками
+        calculator = NutrientCalculator(volume_liters=data['profileSettings']['liters'])
+        
+        # Вручную устанавливаем профиль и удобрения
+        calculator.target_profile = {
+            'P': data['profileSettings']['P'],
+            'K': data['profileSettings']['K'],
+            'Mg': data['profileSettings']['Mg'],
+            'Ca': data['profileSettings']['Ca'],
+            'S': data['profileSettings']['S'],
+            'N (NO3-)': data['profileSettings']['N (NO3-)'],
+            'N (NH4+)': data['profileSettings']['N (NH4+)']
+        }
+        
+        calculator.fertilizers = data['fertilizerConstants']
+        
+        # Выполняем расчет
+        calculator.calculate()
+        return jsonify(calculator.get_web_results())
+        
+    except Exception as e:
+        return jsonify({"error": str(e)}), 500