public async Task <Meal> AddMeal(AddMealBindingModel model, string username)
{
var user = this.context.Users.FirstOrDefault(u => u.UserName == username);
if (user == null)
{
return(null);
}
Location location = null;
if (!string.IsNullOrEmpty(model.Location))
{
location = this.HandleLocation(model.Location, user.Id);
}
var mealFoodItems = new List <MealFoodItem>();
var mealRecipes = new List <MealRecipe>();
if (model.FoodItems != null)
{
foreach (var foodItemBindingModel in model.FoodItems)
{
var foodItem = this.context.FoodItems.FirstOrDefault(fi => fi.Name == foodItemBindingModel.Name);
if (foodItem != null && foodItemBindingModel.AmountInGrams > 0)
{
var mealFoodItem = new MealFoodItem
{
FoodItem = foodItem,
AmountInGrams = foodItemBindingModel.AmountInGrams
};
mealFoodItems.Add(mealFoodItem);
}
}
}
if (model.Recipes != null)
{
foreach (var recipeBindingModel in model.Recipes)
{
var recipe = this.context.Recipes.FirstOrDefault(r => r.Name == recipeBindingModel.Name);
if (recipe != null && recipeBindingModel.AmountInGrams > 0)
{
var mealRecipe = new MealRecipe
{
Recipe = recipe,
AmountInGrams = recipeBindingModel.AmountInGrams
};
mealRecipes.Add(mealRecipe);
}
}
}
var meal = new Meal
{
FoodyUser = user,
Location = location,
MealFoodItems = mealFoodItems,
MealRecipes = mealRecipes,
Note = model.Note,
TimeOfConsumption = model.TimeOfConsumption
};
this.context.Meals.Add(meal);
this.context.SaveChanges();
await this.SetMealCaloriesAsync(meal.Id);
return(meal);
}
public async Task <Meal> EditMeal(EditMealViewModel model)
{
var meal = this.context.Meals.Include(m => m.Location).Include(m => m.FoodyUser).Include(m => m.MealFoodItems).ThenInclude(mfi => mfi.FoodItem)
.Include(m => m.MealRecipes).ThenInclude(mr => mr.Recipe)
.FirstOrDefault(m => m.Id == model.Id);
if (meal == null)
{
return(null);
}
var caloriesChange = false;
if (model.FoodItems != null)
{
foreach (var foodItemViewModel in model.FoodItems)
{
var foodItem = this.context.FoodItems.FirstOrDefault(fi => fi.Name == foodItemViewModel.Name);
if (foodItem == null)
{
continue;
}
var existingMealFoodItem = meal.MealFoodItems.FirstOrDefault(mfi => mfi.FoodItem.Name == foodItemViewModel.Name);
if (foodItemViewModel.AmountInGrams > 0)
{
if (existingMealFoodItem == null)
{
var newMealFoodItem = new MealFoodItem
{
Meal = meal,
FoodItem = foodItem,
AmountInGrams = foodItemViewModel.AmountInGrams
};
meal.MealFoodItems.Add(newMealFoodItem);
caloriesChange = true;
}
else
{
if (!existingMealFoodItem.AmountInGrams.Equals(foodItemViewModel.AmountInGrams))
{
existingMealFoodItem.AmountInGrams = foodItemViewModel.AmountInGrams;
caloriesChange = true;
}
}
}
else
{
if (existingMealFoodItem != null)
{
meal.MealFoodItems.Remove(existingMealFoodItem);
caloriesChange = true;
}
}
}
}
if (model.Recipes != null)
{
foreach (var recipeViewModel in model.Recipes)
{
var recipe = this.context.Recipes.FirstOrDefault(r => r.Name == recipeViewModel.Name);
if (recipe == null)
{
continue;
}
var existingMealRecipe = meal.MealRecipes.FirstOrDefault(mr => mr.Recipe.Name == recipeViewModel.Name);
if (recipeViewModel.AmountInGrams > 0)
{
if (existingMealRecipe == null)
{
var newMealRecipe = new MealRecipe
{
Meal = meal,
Recipe = recipe,
AmountInGrams = recipeViewModel.AmountInGrams
};
meal.MealRecipes.Add(newMealRecipe);
caloriesChange = true;
}
else
{
if (!existingMealRecipe.AmountInGrams.Equals(recipeViewModel.AmountInGrams))
{
existingMealRecipe.AmountInGrams = recipeViewModel.AmountInGrams;
caloriesChange = true;
}
}
}
else
{
if (existingMealRecipe != null)
{
meal.MealRecipes.Remove(existingMealRecipe);
caloriesChange = true;
}
}
}
}
meal.Note = model.Note;
if (meal.Location == null || meal.Location.Name != model.Location)
{
meal.Location = this.HandleLocation(model.Location, meal.FoodyUserId);
}
meal.TimeOfConsumption = model.TimeOfConsumption;
context.SaveChanges();
if (caloriesChange)
{
Thread.Sleep(500);
await this.SetMealCaloriesAsync(meal.Id);
}
return(meal);
}