public async Task <ActionResult <CourseRolesResponse> > CourseRoles() { var userId = User.GetUserId(); var isSystemAdministrator = await usersRepo.IsSystemAdministrator(userId); var visibleCourses = await unitsRepo.GetVisibleCourses(); var rolesByCourse = (await courseRolesRepo.GetRoles(userId).ConfigureAwait(false)) .Where(kvp => kvp.Value != CourseRoleType.Student).ToList(); var courseAccesses = await coursesRepo.GetUserAccesses(userId).ConfigureAwait(false); var courseAccessesByCourseId = courseAccesses.GroupBy(a => a.CourseId).Select( g => new CourseAccessResponse { CourseId = g.Key, Accesses = g.Select(a => a.AccessType).ToList() } ).ToList(); var coursesInWhichUserHasAnyRole = new HashSet <string>(rolesByCourse.Select(kvp => kvp.Key), StringComparer.OrdinalIgnoreCase); var groupsWhereIAmStudent = (await groupMembersRepo.GetUserGroupsAsync(userId).ConfigureAwait(false)) .Where(g => visibleCourses.Contains(g.CourseId) || coursesInWhichUserHasAnyRole.Contains(g.CourseId) || isSystemAdministrator); return(new CourseRolesResponse { IsSystemAdministrator = isSystemAdministrator, CourseRoles = rolesByCourse.Select(kvp => new CourseRoleResponse { CourseId = kvp.Key, Role = kvp.Value, }).ToList(), CourseAccesses = courseAccessesByCourseId, GroupsAsStudent = groupsWhereIAmStudent.Where(g => g.CanUsersSeeGroupProgress).Select(BuildShortGroupInfo).ToList() }); }
public async Task<ActionResult<CoursesListResponse>> CoursesList([FromQuery] CourseRoleType? role = null) { if (role.HasValue && !IsAuthenticated) return Unauthorized(); if (role == CourseRoleType.Student) return NotFound(new ErrorResponse("Role can not be student. Specify tester, instructor or courseAdmin")); var courses = await courseManager.GetCoursesAsync().ConfigureAwait(false); var isSystemAdministrator = await IsSystemAdministratorAsync().ConfigureAwait(false); // Фильтрация по роли. У администратора высшая роль. if (role.HasValue && !isSystemAdministrator) { var courseIdsAsRole = await courseRolesRepo.GetCoursesWhereUserIsInRoleAsync(UserId, role.Value).ConfigureAwait(false); courses = courses.Where(c => courseIdsAsRole.Contains(c.Id, StringComparer.InvariantCultureIgnoreCase)); } // Неопубликованные курсы не покажем тем, кто не имеет роли в них. if (!isSystemAdministrator) { var visibleCourses = unitsRepo.GetVisibleCourses(); var coursesInWhichUserHasAnyRole = await courseRolesRepo.GetCoursesWhereUserIsInRoleAsync(UserId, CourseRoleType.Tester).ConfigureAwait(false); courses = courses.Where(c => visibleCourses.Contains(c.Id) || coursesInWhichUserHasAnyRole.Contains(c.Id, StringComparer.OrdinalIgnoreCase)); } // Администратор видит все курсы. Покажем сверху те, в которых он преподаватель. if (isSystemAdministrator) { var instructorCourseIds = await courseRolesRepo.GetCoursesWhereUserIsInStrictRoleAsync(UserId, CourseRoleType.Instructor).ConfigureAwait(false); courses = courses.OrderBy(c => !instructorCourseIds.Contains(c.Id, StringComparer.InvariantCultureIgnoreCase)).ThenBy(c => c.Title); } else courses = courses.OrderBy(c => c.Title); var tempCourseLabel = "Временный - "; var tempCoursesIds = (await tempCoursesRepo.GetTempCoursesAsync()) .Select(t => t.CourseId) .ToHashSet(); var coursesList = courses.ToList(); var coursesLastVisits = await visitsRepo.GetLastVisitsForCourses(coursesList.Select(c => c.Id).ToHashSet(), UserId); return new CoursesListResponse { Courses = coursesList .Select(c => new ShortCourseInfo { Id = c.Id, Title = tempCoursesIds.Contains(c.Id) ? tempCourseLabel + c.Title : c.Title, ApiUrl = Url.Action("CourseInfo", "Courses", new { courseId = c.Id }), IsTempCourse = tempCoursesIds.Contains(c.Id), Timestamp = coursesLastVisits.TryGetValue(c.Id, out var date) ? date : null, }