fixing the db migrations

app/api/routes/tracker.py

@@ -713,19 +713,22 @@ async def tracker_add_food(data: dict = Body(...), db: Session = Depends(get_db)
             db.commit()
             db.refresh(tracked_day)
         
-        # The quantity is already in grams, so no conversion needed
-        quantity = grams
-        
-        # Create a new Meal for this single food entry
-        # This allows it to be treated like any other meal in the tracker view
+        # Convert grams to a quantity multiplier based on serving size
         food_item = db.query(Food).filter(Food.id == food_id).first()
         if not food_item:
             return {"status": "error", "message": "Food not found"}
-            
+
+        if food_item.serving_size > 0:
+            quantity = grams / food_item.serving_size
+        else:
+            quantity = 1.0  # Default to 1 serving if serving size is not set
+
+        # Create a new Meal for this single food entry
+        # This allows it to be treated like any other meal in the tracker view
         new_meal = Meal(name=food_item.name, meal_type="single_food", meal_time=meal_time)
         db.add(new_meal)
         db.flush() # Flush to get the new meal ID
-        
+
         # Link the food to the new meal
         meal_food = MealFood(meal_id=new_meal.id, food_id=food_id, quantity=quantity)
         db.add(meal_food)

app/database.py

@@ -14,7 +14,7 @@ import os
 # Database setup - Use SQLite for easier setup
 # Use environment variables if set, otherwise use defaults
 # Use current directory for database
-DATABASE_PATH = os.getenv('DATABASE_PATH', '.')
+DATABASE_PATH = os.getenv('DATABASE_PATH', '/app/data')
 DATABASE_URL = os.getenv('DATABASE_URL', f'sqlite:///{DATABASE_PATH}/meal_planner.db')
 
 # For production, use PostgreSQL: DATABASE_URL = "postgresql://username:password@localhost/meal_planner"
@@ -29,7 +29,7 @@ class Food(Base):
 
     id = Column(Integer, primary_key=True, index=True)
     name = Column(String, unique=True, index=True)
-    serving_size = Column(String)
+    serving_size = Column(Float)
     serving_unit = Column(String)
     calories = Column(Float)
     protein = Column(Float)
@@ -322,18 +322,7 @@ def calculate_meal_nutrition(meal, db: Session):
     
     for meal_food in meal.meal_foods:
         food = meal_food.food
-        grams = meal_food.quantity # quantity is now grams
-        
-        # Convert grams to a multiplier of serving size for nutrition calculation
-        try:
-            serving_size_value = float(food.serving_size)
-        except ValueError:
-            serving_size_value = 1 # Fallback if serving_size is not a number
-        
-        if serving_size_value == 0:
-            multiplier = 0 # Avoid division by zero
-        else:
-            multiplier = grams / serving_size_value
+        multiplier = meal_food.quantity
         
         totals['calories'] += food.calories * multiplier
         totals['protein'] += food.protein * multiplier