/// <summary>
/// Сохранить нового пользователя.
/// </summary>
public void CreateUser(string userName, string genderName, DateTime birthday, string budgetName)
{
if (string.IsNullOrWhiteSpace(genderName))
{
throw new ArgumentNullException(nameof(genderName));
}
if (string.IsNullOrWhiteSpace(budgetName))
{
throw new ArgumentNullException(nameof(budgetName));
}
if (birthday.Year < 1900 || birthday > DateTime.Now)
{
throw new ArgumentException(nameof(birthday));
}
if (Users.Contains(Users.SingleOrDefault(u => u.Name == userName)))
{
throw new ArgumentException(nameof(userName));
}
UserBudget budget = Budgets.SingleOrDefault(b => b.Name == budgetName);
if (budget == null)
{
budget = new UserBudget(budgetName);
Budgets.Add(budget);
SaveBudgets();
}
Gender gender = Genders.SingleOrDefault(g => g.Name == genderName);
if (gender == null)
{
gender = new Gender(genderName);
Genders.Add(gender);
SaveGenders();
}
var user = new User(userName, gender, birthday, budget.Id);
Users.Add(user);
SaveUsers();
}
/// <summary>
/// Загрузить пол пользователя из файла.
/// </summary>
/// <returns>Пол пользователя приложения.</returns>
public Gender GetGender(int id)
{
return(Genders.SingleOrDefault(g => g.Id == id));
}