// Update or create product
public void SaveMeal(Meal meal)
{
// Meal does not exist -> create it
if (meal.Id == 0)
{
database.Meals.Add(meal);
}
// Meal does exits -> update it
else
{
Meal dbEntry = database.Meals.FirstOrDefault(m => m.Id == meal.Id);
if (dbEntry != null)
{
dbEntry.Name = meal.Name;
dbEntry.Description = meal.Description;
dbEntry.Price = meal.Price;
dbEntry.MaxGuests = meal.MaxGuests;
}
}
// Save changes
database.SaveChanges();
}
// Stores a student
public void SaveStudent(Student student)
{
// If id = 0 -> student does not exist -> create it
if (student.Id == 0)
{
// Create student
database.Students.Add(student);
}
else // If id = not 0 -> student exists -> update it
// Get student
{
Student dbEntry = database.Students.FirstOrDefault(m => m.Id == student.Id);
// Update properties
if (dbEntry != null)
{
dbEntry.Name = student.Name;
dbEntry.UserId = student.UserId;
}
}
// Save changes
database.SaveChanges();
}