private async Task <HashSet <string> > FilterUsersWhoNotSeeCourse(Notification notification, HashSet <string> recipientsIds)
{
if (notification.CourseId != "")
{
var course = await courseManager.FindCourseAsync(notification.CourseId);
if (course != null)
{
var visibleUnits = await unitsRepo.GetPublishedUnitIdsAsync(course);
if (!visibleUnits.Any())
{
var userIdsWithInstructorRoles = await courseRolesRepo.GetListOfUsersWithCourseRoleAsync(CourseRoleType.Tester, notification.CourseId, true);
var sysAdminsIds = await usersRepo.GetSysAdminsIdsAsync();
recipientsIds.IntersectWith(userIdsWithInstructorRoles.Concat(sysAdminsIds));
}
}
}
return(recipientsIds);
}
public async Task <ActionResult <CourseInfo> > CourseInfo([FromRoute] string courseId, [FromQuery][CanBeNull] int?groupId = null)
{
if (!await courseManager.HasCourseAsync(courseId))
{
return(NotFound(new ErrorResponse("Course not found")));
}
var course = await courseManager.FindCourseAsync(courseId);
List <UnitInfo> units;
var visibleUnitsIds = await unitsRepo.GetVisibleUnitIdsAsync(course, UserId);
var visibleUnits = course.GetUnits(visibleUnitsIds);
if (groupId == null)
{
var isInstructor = await courseRolesRepo.HasUserAccessToCourseAsync(UserId, course.Id, CourseRoleType.Instructor).ConfigureAwait(false);
if (!isInstructor && visibleUnits.Count == 0)
{
return(NotFound(new ErrorResponse("Course not found")));
}
var unitAppearances = !isInstructor
? new Dictionary <Guid, UnitAppearance>()
: (await unitsRepo.GetUnitAppearancesAsync(course)).ToDictionary(a => a.UnitId, a => a);
var publishedUnitIds = new HashSet <Guid>(!isInstructor ? visibleUnitsIds : await unitsRepo.GetPublishedUnitIdsAsync(course));
var getSlideMaxScoreFunc = await BuildGetSlideMaxScoreFunc(solutionsRepo, userQuizzesRepo, visitsRepo, groupsRepo, course, UserId);
var getGitEditLinkFunc = await BuildGetGitEditLinkFunc(User.GetUserId(), course, courseRolesRepo, coursesRepo);
units = visibleUnits.Select(unit => BuildUnitInfo(course.Id, unit,
!publishedUnitIds.Contains(unit.Id), publishedUnitIds.Contains(unit.Id) ? null : unitAppearances.GetOrDefault(unit.Id)?.PublishTime,
isInstructor, getSlideMaxScoreFunc, getGitEditLinkFunc)).ToList();
}
else
{
var group = await groupsRepo.FindGroupByIdAsync(groupId.Value).ConfigureAwait(false);
if (group == null)
{
return(NotFound(new ErrorResponse("Group not found")));
}
async Task <bool> IsUserMemberOfGroup() => await groupMembersRepo.IsUserMemberOfGroup(groupId.Value, UserId).ConfigureAwait(false);
async Task <bool> IsGroupVisibleForUserAsync() => await groupAccessesRepo.IsGroupVisibleForUserAsync(groupId.Value, UserId).ConfigureAwait(false);
var isGroupAvailableForUser = await IsUserMemberOfGroup() || await IsGroupVisibleForUserAsync();
if (!isGroupAvailableForUser)
{
return(NotFound(new ErrorResponse("Group not found")));
}
if (visibleUnits.Count == 0)
{
return(NotFound(new ErrorResponse("Course not found")));
}
var getSlideMaxScoreFunc = BuildGetSlideMaxScoreFunc(course, group);
var getGitEditLinkFunc = await BuildGetGitEditLinkFunc(User.GetUserId(), course, courseRolesRepo, coursesRepo);
units = visibleUnits.Select(unit => BuildUnitInfo(course.Id, unit, false, null, false, getSlideMaxScoreFunc, getGitEditLinkFunc)).ToList();
}
var containsFlashcards = visibleUnits.Any(x => x.GetSlides(true).OfType <FlashcardSlide>().Any());
var scoringSettings = GetScoringSettings(course);
var tempCourseError = (await tempCoursesRepo.GetCourseErrorAsync(courseId))?.Error;
var isTempCourse = await tempCoursesRepo.FindAsync(courseId) != null;
return(new CourseInfo
{
Id = course.Id,
Title = isTempCourse ? "Временный - " + course.Title : course.Title,
Description = course.Settings.Description,
Scoring = scoringSettings,
NextUnitPublishTime = unitsRepo.GetNextUnitPublishTime(course.Id),
Units = units,
ContainsFlashcards = containsFlashcards,
IsTempCourse = isTempCourse,
TempCourseError = tempCourseError
});
}
