/// <summary>
/// Authenticates given username and password to check whether their credentials match with an account
/// </summary>
/// <param name="username">Given username (email)</param>
/// <param name="password">Given password</param>
/// <returns>User that matches given credentials</returns>
public User AuthenticateUser(string username, string password)
{
var user = _context.AuthenticateUser(username, password);
return(user);
//throw new InvalidCredentialException("Uw inloggegevens komen niet overeen met een bestaand account.");
}