/// <summary>
/// Get <see cref="User"/> from model container by unique ID.
/// </summary>
/// <param name="mc">Entity Framework model container.</param>
/// <param name="userId">Unique user ID.</param>
/// <returns>User instance.</returns>
internal static User GetUserById(MasterEntities mc, Guid userId)
{
User user = mc.Users.SingleOrDefault(u => u.Id == userId);
if (user == null)
{
throw new Exception("User with ID " + userId + " not found.");
}
return(user);
}
/// <summary>
/// Get <see cref="User"/> from model container by unique ID.
/// </summary>
/// <param name="mc">Entity Framework model container.</param>
/// <param name="userName">Unique user name.</param>
/// <returns>User instance.</returns>
internal static User GetUserByLogin(MasterEntities mc, string userName)
{
User user = mc.Users.SingleOrDefault(u => u.Login == userName && !u.IsDisabled);
if (user == null)
{
throw new Exception("User with name \"" + userName + "\" not found.");
}
return(user);
}
/// <summary>
/// Check is user <paramref name="login"/> name is not used by some one else.
/// </summary>
/// <param name="mc">Entity Framework model container.</param>
/// <param name="login">User login name.</param>
/// <returns><c>true</c> if user login name is unique.</returns>
internal static bool IsLoginAvailable(MasterEntities mc, string login)
{
return(mc.Users.SingleOrDefault(u => u.Login == login) == null);
}