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()
});
}