public Domain.Ideation.Ideation ChangeIdeation(int id, string title, int projectPhaseId)
        {
            Domain.Ideation.Ideation toChange = GetIdeation(id);
            if (toChange != null)
            {
                ProjectPhase phase = _projectManager.GetProjectPhase(projectPhaseId);
                if (phase == null)
                {
                    throw new ArgumentException("Project phase not found", "projectPhaseId");
                }

                toChange.Title        = title;
                toChange.ProjectPhase = phase;

                Validate(toChange);
                return(_ideationRepository.UpdateIdeation(toChange));
            }

            throw new ArgumentException("Ideation not found.", "id");
        }