public async Task <int> AddMealToDietAsync(MealWithDiet meal)
{
using (ShapeAppDbContext ctx = new ShapeAppDbContext())
{
bool exists = ctx.Meal.Any(m => m.Id == meal.Id);
int mealId;
if (exists)
{
mealId = meal.Id;
}
else
{
await ctx.Meal.AddAsync(new Meal
{
Title = meal.Title,
Description = meal.Description,
Calories = meal.Calories
});
await ctx.SaveChangesAsync();
mealId = ctx.Meal.ToList().Last().Id;
}
await ctx.DietMeals.AddAsync(new DietMeal
{
MealId = mealId,
DietId = meal.DietId
});
await ctx.SaveChangesAsync();
return(mealId);
}
}
public async Task <bool> EditMealInDiet(MealWithDiet meal)
{
using (ShapeAppDbContext ctx = new ShapeAppDbContext())
{
int mealFrequency = GetNumberOfDietsForMeal(meal.Id);
Meal mealDb = await ctx.Meal.FirstAsync(m => m.Id == meal.Id);
if (mealFrequency > 1)
{
await ctx.Meal.AddAsync(new Meal
{
Calories = mealDb.Calories,
Description = mealDb.Description,
Title = mealDb.Title
});
await ctx.SaveChangesAsync();
int mealId = ctx.Meal.ToList().Last().Id;
Console.WriteLine("New meal id is " + mealId);
var dietMeals = ctx.DietMeals.Where(dm => dm.MealId == meal.Id &&
dm.Diet.Id != meal.DietId).ToList();
foreach (var dietMeal in dietMeals)
{
ctx.DietMeals.Remove(dietMeal);
await ctx.DietMeals.AddAsync(new DietMeal
{
DietId = dietMeal.DietId,
MealId = mealId
});
}
}
if (meal.Calories >= 0)
{
mealDb.Calories = meal.Calories;
}
if (!string.IsNullOrEmpty(meal.Description))
{
mealDb.Description = meal.Description;
}
if (!string.IsNullOrEmpty(meal.Title))
{
mealDb.Title = meal.Title;
}
try
{
ctx.Meal.Update(mealDb);
await ctx.SaveChangesAsync();
}
catch (Exception e)
{
return(false);
}
return(true);
}
}
/// <summary>
/// Edits a given meal in a given diet
/// </summary>
/// <param name="actualRequest">the client request to be handled</param>
/// <returns>the response to the given request</returns>
private async Task <ActualRequest> EditMealInDietAsync(ActualRequest actualRequest)
{
Request request = actualRequest.Request;
MealWithDiet meal = JsonSerializer.Deserialize <MealWithDiet>(request.Argument.ToString());
bool editResult = await dietRepo.EditMealInDiet(meal);
Request responseRequest = new Request
{
ActionType = ActionType.DIET_EDIT_MEAL.ToString(),
Argument = JsonSerializer.Serialize(editResult)
};
return(new ActualRequest
{
Request = responseRequest,
Images = null
});
}
/// <summary>
/// Adds a given meal to a given diet
/// </summary>
/// <param name="actualRequest">the client request to be handled</param>
/// <returns>the response to the given request</returns>
private async Task <ActualRequest> AddMealToDietAsync(ActualRequest actualRequest)
{
Request request = actualRequest.Request;
MealWithDiet meal = JsonSerializer.Deserialize <MealWithDiet>(request.Argument.ToString());
int mealId = await dietRepo.AddMealToDietAsync(meal);
Request responseRequest = new Request
{
ActionType = ActionType.DIET_ADD_MEAL.ToString(),
Argument = JsonSerializer.Serialize(mealId)
};
return(new ActualRequest
{
Request = responseRequest,
Images = null
});
}