public async Task <ActionResult> Courses(string courseId = null, string courseTitle = null)
{
var isSystemAdministrator = User.IsSystemAdministrator();
var userId = User.Identity.GetUserId();
var courses = courseManager.GetCourses();
// Неопубликованные курсы не покажем тем, кто не имеет роли в них.
if (!isSystemAdministrator)
{
var visibleCourses = unitsRepo.GetVisibleCourses();
var coursesInWhichUserHasAnyRole = userRolesRepo.GetCoursesWhereUserIsInRole(userId, CourseRole.Tester);
var coursesWhereIAmStudent = groupsRepo.GetUserGroups(userId)
.Select(g => g.CourseId)
.Distinct(StringComparer.OrdinalIgnoreCase)
.Where(c => visibleCourses.Contains(c)).ToList();
courses = courses.Where(c => coursesInWhichUserHasAnyRole.Contains(c.Id, StringComparer.OrdinalIgnoreCase) ||
coursesWhereIAmStudent.Contains(c.Id, StringComparer.OrdinalIgnoreCase));
}
var incorrectChars = new string(CourseManager.GetInvalidCharacters().OrderBy(c => c).Where(c => 32 <= c).ToArray());
if (isSystemAdministrator)
{
courses = courses.OrderBy(course => course.Id, StringComparer.InvariantCultureIgnoreCase);
}
else
{
courses = courses.OrderBy(course => course.Title, StringComparer.InvariantCultureIgnoreCase);
}
var tempCourses = tempCoursesRepo.GetTempCourses().Select(c => c.CourseId).ToHashSet();
var model = new CourseListViewModel
{
Courses = courses
.Select(course => new CourseViewModel
{
Id = course.Id,
Title = course.Title,
LastWriteTime = courseManager.GetLastWriteTime(course.Id),
IsTemp = tempCourses.Contains(course.Id)
})
.ToList(),
LastTryCourseId = courseId,
LastTryCourseTitle = courseTitle,
InvalidCharacters = incorrectChars
};
return(View(model));
}
