private IEnumerable <AchievementStatus> AddCriteriaToAchievementStages(int achievementId, int faction)
{
var achievementStages = new List <AchievementStatus>();
var achievementName = _achievementRepository.GetAchievementName(achievementId);
var opposingFaction = GetOpposingFaction(faction);
IEnumerable <Stage> stages = _achievementRepository.GetStagesForAchievement(achievementId).Where(s => s.Faction != opposingFaction);
achievementStages.Add(
new AchievementStatus
{
Achievement = achievementName,
Stages = stages
});
// if any of the stages has an AchievementId these also must be included
var SubAchievements =
stages
.Where(s => s.AchievementId != null)
.Select(s => s.AchievementId);
foreach (int subAchievementId in SubAchievements)
{
achievementStages.AddRange(AddCriteriaToAchievementStages((int)subAchievementId, faction));
}
;
return(achievementStages);
}