public List <UserAchievement> UpdateUserAchievements(User user,
Course course,
AchievementTypesToUpdate achievementTypesToUpdate,
ICollection <Achievement> systemAchievements,
DateTime utcNow)
{
var userAchievements = user.Achievements;
var achievementsUpdatedNow = new List <UserAchievement>();
foreach (var notCompletedAchievement in userAchievements
.Where(x => !x.IsCompleted && x.Achievement.Type != AchievementType.CompleteCourse))
{
if (LessonOrChapterTypeAchievementsMustBeUpdates(achievementTypesToUpdate, notCompletedAchievement.Achievement.Type))
{
UpdateAchievement(notCompletedAchievement, achievementsUpdatedNow, utcNow);
}
}
if (achievementTypesToUpdate.CourseCompleted)
{
var completedCourseAchievement = new UserAchievement
{
Achievement = systemAchievements.First(x => x.Type == AchievementType.CompleteCourse),
IsCompleted = true,
CompletedOn = utcNow,
Progress = 1,
Course = course
};
user.Achievements.Add(completedCourseAchievement);
achievementsUpdatedNow.Add(completedCourseAchievement);
}
return(achievementsUpdatedNow);
}
public AchievementTypesToUpdate CalculateAchievementTypesToUpdate(ICollection <UserLesson> userCompletedLessons, Course currentCourse, int chapterId)
{
var achievementTypesToUpdate = new AchievementTypesToUpdate
{
LessonCompleted = true
};
var currentChapter = currentCourse.Chapters.First(x => x.Id == chapterId);
if (UserHasCompletedAllLessonsForCurrentChapter(userCompletedLessons, currentChapter))
{
achievementTypesToUpdate.ChapterCompleted = true;
}
if (UserHasCompletedAllLessonsForCurrentCourse(userCompletedLessons, currentCourse))
{
achievementTypesToUpdate.CourseCompleted = true;
}
return(achievementTypesToUpdate);
}
private bool LessonOrChapterTypeAchievementsMustBeUpdates(AchievementTypesToUpdate achievementTypesToUpdate, AchievementType userAchievementType)
{
return((achievementTypesToUpdate.LessonCompleted && userAchievementType == AchievementType.CompleteLesson) ||
(achievementTypesToUpdate.ChapterCompleted && userAchievementType == AchievementType.CompleteChapter));
}