/// <summary>Method create an access token for current user.</summary>
/// <param name="userId">Id of user to create token.</param>
/// <returns>Created access toker, or null if was error.</returns>
/// <exception cref="InsertDbDataException"/>
/// <exception cref="InvalidOperationException"/>
public string CreateAccessToken(decimal userId)
{
string token = string.Empty;
DateTime now = DateTime.UtcNow;
using (var context = _ContextGenerator.GenerateContext())
{
DeleteOldUserAccessTokens(userId, now, context);
User currentUser = _UserManager.GetUserById(userId);
if (currentUser != null)
{
token = GenerateAccessToken(now);
User_Access access = new User_Access()
{
Access_Token = token,
Date_Creation = now,
Date_Expiration = now.AddDays(1),
ID_User = currentUser.ID_User
};
try
{
context.User_Access.Add(access);
context.SaveChanges();
}
catch (DbEntityValidationException ex)
{
context.User_Access.Remove(access);
List <ValidationError> validationErrors = ex.RetrieveValidationsErrors();
throw new InsertDbDataException(validationErrors);
}
catch (DbUpdateException ex)
{
context.User_Access.Remove(access);
throw new InvalidOperationException("Unable to save user-access", ex);
}
}
}
return(token);
}
/// <summary>Method retrieve a users from th DB by it ids.</summary>
/// <param name="userIds">Ids of users to retrieve.</param>
/// <returns>List with retrieving results.</returns>
/// <exception cref="InvalidOperationException">No users found.</exception>
private IEnumerable <User> GetUsersByIds(IEnumerable <decimal> userIds)
{
List <User> users = new List <User>();
foreach (var userId in userIds)
{
User usr = _UserManager.GetUserById(userId);
if (usr != null)
{
users.Add(usr);
}
}
if (users.Count < 1)
{
throw new InvalidOperationException("Users for project not found.");
}
return(users);
}
