// Removes student from guests of a meal
public IActionResult Leave(int mealId)
{
// Get student
Student student = studentRepository.GetStudent(GetUserId());
// Get meal
Meal meal = mealRepository.GetMeal(mealId);
// Attempt to leave student from meal
DomainMethodResult result = meal.Leave(student);
// Save to database -> show success message
if (result.WasSuccessful)
{
mealRepository.Save();
TempData["success"] = result.Message;
}
// Show error message
else
{
TempData["error"] = result.Message;
}
// Render main view
return(RedirectToAction("List"));
}
public IActionResult Edit(MealDate mealDate)
{
// Check if user filled in form correctly
if (!ModelState.IsValid)
{
// If not => return edit view again => send meal date to fill in values
return(View(mealDate));
}
// Get meal
Meal meal = mealRepository.GetMeal(mealDate.Meal.Id);
// Get student
Student student = studentRepository.GetStudent(GetUserId());
// Check if meal can be edited by student
DomainMethodResult result = meal.AllowedToEdit(student);
// Meal cannot be edited by student -> add with error
if (!result.WasSuccessful)
{
TempData["error"] = result.Message;
}
// Meal can be edited by student -> update meal -> add success message
else
{
// Combine date and time
mealDate.Meal.DateTime = new DateTime(mealDate.Meal.DateTime.Year, mealDate.Meal.DateTime.Month, mealDate.Meal.DateTime.Day, mealDate.Time.Hour, mealDate.Time.Minute, 0);
// Update meal in database
mealRepository.SaveMeal(mealDate.Meal);
TempData["success"] = "Maaltijd succesvol bijgewerkt";
}
return(RedirectToAction("List"));
}
public void Students_Cannot_Leave_Meal_Which_They_Did_Not_Join()
{
// Arrange
Meal meal = new Meal()
{
MaxGuests = 3, Cook = new Student()
{
Id = 1, Name = "Test student"
}
};
Student student = new Student()
{
Id = 2, Name = "Test student"
};
Student anotherStudent = new Student()
{
Id = 3, Name = "Test student"
};
meal.Join(student);
// Act
DomainMethodResult result = meal.Leave(anotherStudent);
// Assert
Assert.False(result.WasSuccessful);
}
public IActionResult Edit(int mealId)
{
// Get meal
Meal meal = mealRepository.GetMeal(mealId);
// Get student
Student student = studentRepository.GetStudent(GetUserId());
// Check if meal can be edited by student
DomainMethodResult result = meal.AllowedToEdit(student);
// Render edit view
if (result.WasSuccessful)
{
// Render edit view with => pass meal date to fill in values
return(View(MealTransformer.TransformIntoMealDate(meal)));
}
// Render main view -> Show error message
else
{
TempData["error"] = result.Message;
return(RedirectToAction("List"));
}
}
public IActionResult Delete(int mealId)
{
// Get meal
Meal meal = mealRepository.GetMeal(mealId);
// Get student
Student student = studentRepository.GetStudent(GetUserId());
// Check if student is allowed to delete meal
DomainMethodResult result = meal.AllowedToEdit(student);
// Check for result
if (result.WasSuccessful)
{
mealRepository.DeleteMeal(meal);
TempData["success"] = "Maaltijd succesvol verwijderd";
}
else
{
TempData["error"] = result.Message;
}
// Render main view
return(RedirectToAction("List"));
}