public void AddFood(params Food[] food)
{
if (food.Length < 1) return;
using (var context = new HealthContext())
{
context.Foods.AddOrUpdateCustom(f => f.Name, food);
context.SaveChanges();
}
}
public void AddDay()
{
using (var context = new HealthContext())
{
var now = DateTime.UtcNow;
var day = new Day
{
Created = new DateTime(now.Year, now.Month, now.Day)
};
context.Days.Add(day);
context.SaveChanges();
}
}
public void AddMealEntry(string foodName, int calories, int mealId)
{
if (calories < 1) throw new Exception("calories value is invalid");
using (var context = new HealthContext())
{
var food = context.Foods.FirstOrDefault(f => f.Name == foodName);
var mealEntry = new MealEntry
{
Calories = calories,
Food = food,
MealId = mealId
};
context.MealEntries.Add(mealEntry);
context.SaveChanges();
}
}
public void AddMeal(MealModel mealModel)
{
using (var context = new HealthContext())
{
var day = context.Days.FirstOrDefault(d => d.Created == mealModel.Date);
var meal = new Meal
{
DayId = day.Id,
MealNumber = mealModel.MealNumber,
MealEntries = mealModel.MealEntries
};
context.Add(meal);
context.MealEntries.AddRange(meal.MealEntries);
context.SaveChanges();
}
}
public void DeleteDay(int id)
{
using (var context = new HealthContext())
{
var day = context.Days.Include(d => d.Meals).ThenInclude(m => m.MealEntries).FirstOrDefault(d => d.Id == id);
if (day == null) throw new NullReferenceException("The day provided does not exist in the database");
day.Meals.ToList().ForEach(m => context.MealEntries.RemoveRange(m.MealEntries));
context.Meals.RemoveRange(day.Meals);
context.Days.Remove(day);
context.SaveChanges();
}
}
public void ClearDay()
{
using (var context = new HealthContext())
{
var day = context.Days.OrderByDescending(d => d.Created).FirstOrDefault();
if (day == null) throw new NullReferenceException("The day provided does not exist in the database");
var meals = context.Meals.Include(m => m.MealEntries).Where(m => m.DayId == day.Id).ToList();
meals.ForEach(m => context.MealEntries.RemoveRange(m.MealEntries));
context.Meals.RemoveRange(meals);
context.SaveChanges();
}
}
